Hawk (VL-EPU-3310) Reference Manual

Hawk (VL-EPU-3310) Reference Manual
Reference
Manual
DOC. REV. 12/03/2015
Hawk
(VL-EPU-3310)
Intel® Atom™ E38xx-based
Embedded Processing Unit with
SATA, Ethernet, USB, Serial,
Video, HD Audio, Mini PCIe
Socket, and microSD.
WWW.VERSALOGIC.COM
12100 SW Tualatin Road
Tualatin, OR 97062-7341
(503) 747-2261
Fax (971) 224-4708
Copyright © 2015 VersaLogic Corp. All rights reserved.
Notice:
Although every effort has been made to ensure this document is error-free, VersaLogic makes no
representations or warranties with respect to this product and specifically disclaims any implied warranties
of merchantability or fitness for any particular purpose.
VersaLogic reserves the right to revise this product and associated documentation at any time without
obligation to notify anyone of such changes.
† Other names and brands may be claimed as the property of others.
VL-EPU-3310 Reference Manual
ii
Product Revision Notes
Revision 1.03
Updated Thermal Considerations chapter
Revision 1.02
Corrected power requirements data in Technical Specifications section
Revision 1.01
Added Thermal Considerations chapter
Revision 1.00
First release
Support Page
The Hawk Support Page contains additional information and resources for this product
including:



Operating system information and software drivers
Data sheets and manufacturers’ links for chips used in this product
BIOS information and upgrades
VersaTech KnowledgeBase
The VersaTech KnowledgeBase contains useful technical information about VersaLogic
products, along with product advisories.
Customer Support
If you are unable to solve a problem after reading this manual, visiting the product support page,
or searching the KnowledgeBase, contact VersaLogic Technical Support at (503) 747-2261.
VersaLogic support engineers are also available via e-mail at Support@VersaLogic.com.
Repair Service
If your product requires service, you must obtain a Returned Material Authorization (RMA)
number by calling 503-747-2261. Be ready to provide the following information:







Your name, the name of your company, your phone number, and e-mail address
The name of a technician or engineer that can be contacted if any questions arise
The quantity of items being returned
The model and serial number (barcode) of each item
A detailed description of the problem
Steps you have taken to resolve or recreate the problem
The return shipping address
Warranty Repair
All parts and labor charges are covered, including return shipping
charges for UPS Ground delivery to United States addresses.
Non-warranty Repair
All approved non-warranty repairs are subject to diagnosis and labor
charges, parts charges and return shipping fees. Specify the shipping
method you prefer and provide a purchase order number for invoicing
the repair.

Note:
Mark the RMA number clearly on the outside of the box before returning.
VL-EPU-3310 Reference Manual
iii
KNOWN ISSUES
Hardware


†
†
A microSD card will not function if the Hawk is using Microsoft Windows 7
The eMMC Flash device will not function if the Hawk is using Microsoft Windows 7
VL-EPU-3310 Reference Manual
iv
Contents
Introduction ...................................................................................................................1
Description.......................................................................................................................... 1
Features and Construction ..................................................................................... 1
Technical Specifications ..................................................................................................... 3
Block Diagram .................................................................................................................... 4
Cautions .............................................................................................................................. 5
Electrostatic Discharge .......................................................................................... 5
Handling Care ........................................................................................................ 5
Earth Ground Requirement .................................................................................... 5
Thermal Considerations ...................................................................................................... 6
CPU Die Temperature ........................................................................................... 6
Thermal Options .................................................................................................... 6
Configuration and Setup...............................................................................................7
Initial Configuration ........................................................................................................... 7
Basic Setup ......................................................................................................................... 7
Operating System Installation............................................................................................. 9
BIOS Setup ......................................................................................................................... 9
Physical Details ...........................................................................................................10
Dimensions and Mounting ................................................................................................ 10
Hawk Dimensions ................................................................................................ 10
VL-HDW-405 Mounting Plate Dimensions ........................................................ 11
Hardware Assembly............................................................................................. 12
External Connectors ......................................................................................................... 14
Baseboard Connector Locations .......................................................................... 14
Hawk Connector Functions and Interface Cables ............................................... 15
Jumper Blocks .................................................................................................................. 16
Jumper As-Shipped Configuration ...................................................................... 16
Jumper Configuration Summary.......................................................................... 17
System Features ..........................................................................................................18
Power Delivery ................................................................................................................. 18
Power Requirements ............................................................................................ 18
Power Delivery Considerations ........................................................................... 18
CPU................................................................................................................................... 19
System RAM..................................................................................................................... 19
Flash Storage .................................................................................................................... 19
Real-Time Clock (RTC) ................................................................................................... 19
Watchdog Timer ............................................................................................................... 20
Default BIOS Settings ...................................................................................................... 20
Default BIOS Setup Values ................................................................................. 20
Console Redirection ......................................................................................................... 20
VL-EPU-3310 Reference Manual
v
Contents
Interfaces and Connectors .........................................................................................21
I/O Connector ................................................................................................................... 21
Ethernet Interface.............................................................................................................. 23
Ethernet Connector .............................................................................................. 23
Correctly Installing the VL-CBR-0804 Latching Ethernet Cable ....................... 24
Ethernet Status LEDs........................................................................................... 26
SATA Interface ................................................................................................................. 27
Mini PCIe / mSATA Socket ............................................................................................. 27
W_Disable# Signal .............................................................................................. 29
Mini PCIe Card Wireless Status LEDs................................................................ 30
USB Interface ................................................................................................................... 30
microSD Socket ................................................................................................................ 31
Serial Ports ........................................................................................................................ 31
UART0 ................................................................................................................ 31
UART1 ................................................................................................................ 31
COM Port Configuration ..................................................................................... 31
Serial Port Connectors ......................................................................................... 31
Video................................................................................................................................. 32
LVDS Flat Panel Display Connector................................................................... 32
VGA Output......................................................................................................... 33
External Speaker ............................................................................................................... 33
Audio ................................................................................................................................ 34
Push-button Reset ............................................................................................................. 34
Power Button .................................................................................................................... 34
Supported Power States ....................................................................................... 34
LEDs ................................................................................................................................. 35
mSATA Activity LED ......................................................................................... 35
Power LED .......................................................................................................... 35
VL-CBR-5016 Paddleboard .........................................................................................36
Connectors and Controls .................................................................................................. 36
Connector and Control Locations ........................................................................ 36
J6 Terminal Block ............................................................................................... 38
Indicators/LEDs ................................................................................................................ 38
mSATA Activity LED ......................................................................................... 38
Power LED .......................................................................................................... 38
Dimensions ....................................................................................................................... 39
Thermal Considerations .............................................................................................40
Selecting the Correct Thermal Solution for Your Application ........................................ 40
Heat Plate ............................................................................................................. 40
System-level Considerations ............................................................................... 40
CPU Thermal Trip Points .................................................................................... 41
Thermal Specifications, Restrictions, and Conditions ........................................ 43
Overall Restrictions and Conditions:................................................................... 43
Heat Plate Only Restrictions and Conditions: ..................................................... 43
Heat Sink Only Considerations: .......................................................................... 43
Heat Sink with Fan Considerations: .................................................................... 43
EPU-3310 Thermal Characterization ............................................................................... 44
VL-EPU-3310 Reference Manual
vi
Contents
Test Results.......................................................................................................... 45
Installing VersaLogic Thermal Solutions ......................................................................... 49
Installing the VL-HDW-406 Passive Heat Sink .................................................. 49
Installing the VL-HDW-411 Heat Sink Fan ........................................................ 50
Installing the VL-HDW-408 Heat Pipe Block ..................................................... 51
Appendix A – Mounting Options ................................................................................52
Hawk Mounting Configuration......................................................................................... 52
Mounting Plate Configurations ........................................................................................ 53
Tables
Table 1: Connector Functions and Interface Cables .....................................................................................15
Table 2: Jumper Block V6 – Endpoint Termination ....................................................................................17
Table 3: Jumper Block V2 - Serial Port Mode .............................................................................................17
Table 4: Jumper Block V1 - Wireless Radio Disable Configuration ............................................................17
Table 5: J1 Main Power Connector Pinout ...................................................................................................18
Table 6: J12 User I/O Connector Pinout ......................................................................................................22
Table 7: J6 Ethernet Connector Pinout .........................................................................................................23
Table 8: On-board Ethernet Status LEDs (D4).............................................................................................26
Table 9: J2 SATA Port Pinout......................................................................................................................27
Table 10: Mini PCIe / mSATA Pinout .........................................................................................................28
Table 11: Mini PCIe Card Wireless Status LEDs (D5/D6) ..........................................................................30
Table 12: COM1 and COM2 Pinouts – VL-CBR-5016 Connector J2 .........................................................31
Table 13: J4 LVDS Flat Panel Display Connector Pinout............................................................................32
Table 14: User I/O Connector Pinout Mapped to VL-CBR-5016 Paddleboard ...........................................37
Table 15: J6 Terminal Block Pinout (on VL-CBR-5016 Paddleboard) .......................................................38
Table 16: CPU Thermal Trip Points.............................................................................................................41
Table 17: Temperature Monitoring Programs ..............................................................................................42
Table 18: Absolute Minimum and Maximum Air Temperatures..................................................................43
Table 19: EPU-3310 Thermal Testing Setup ...............................................................................................44
Table 20: Heat Pipe Additional Configuration Details .................................................................................48
VL-EPU-3310 Reference Manual
vii
Contents
Figures
Figure 1. The Hawk (VL-EPU-3310) .............................................................................................................1
Figure 2. Hawk (VL-EPU-3310) Block Diagram ...........................................................................................4
Figure 3. Typical Development Configuration ...............................................................................................8
Figure 4. Hawk Dimensions and Mounting Holes ........................................................................................10
Figure 5. Mounting Plate Dimensions ..........................................................................................................11
Figure 6. Hardware Assembly with Heat Plate Down ..................................................................................12
Figure 7. Hardware Assembly with Heat Plate Up .......................................................................................13
Figure 8. Baseboard Connector Locations....................................................................................................14
Figure 9. Jumpers As-Shipped Configuration...............................................................................................16
Figure 10. J1 Main Power Connector Pin Orientation..................................................................................18
Figure 11. Wiring for a DB9 to DB9 RS-232 Adapter for Console Redirection ..........................................20
Figure 12. Pin Orientation of J12 User I/O Connector .................................................................................21
Figure 13. J6 Ethernet Connector Pin Orientation ........................................................................................23
Figure 14. Correct Alignment of VL-CBR-0804 Cable to J6 Ethernet Connector .......................................24
Figure 15. Correct Installation of VL-CBR-0804 Cable ..............................................................................25
Figure 16. Onboard Ethernet Status LED .....................................................................................................26
Figure 17. Mini PCIe Wireless Status LEDs ................................................................................................30
Figure 18. VL-CBR-2014 LVDS to VGA Adapter Card .............................................................................33
Figure 19. VL-CBR-5016 Connectors and Controls ....................................................................................36
Figure 20. Pin Configuration of J6 Terminal Block on the VL-CBR-5016 Paddleboard .............................38
Figure 21. VL-CBR-5016 Dimensions .........................................................................................................39
Figure 22. EPU-3310-EAP Single Core Temperature Relative to Ambient Temperature............................45
Figure 23. EPU-3310-EBP Dual Core Temperature Relative to Ambient Temperature ..............................46
Figure 24. EPU-3310-EDP Quad Core Temperature Relative to Ambient Temperature .............................47
Figure 25. EPU-3310-EDP Quad Core with Heat Pipe - Temperature Relative to Ambient........................48
Figure 26. Installing the Passive Heat Sink ..................................................................................................49
Figure 27. Installing the Heat Sink Fan ........................................................................................................50
Figure 28. Installing the Heat Pipe Block .....................................................................................................51
Figure 29. Bolt-through Heat Plate...............................................................................................................52
Figure 30. Mounting Plate Option 1 .............................................................................................................53
Figure 31. Mounting Plate Option 2 .............................................................................................................54
VL-EPU-3310 Reference Manual
viii
Introduction
1
Description
Figure 1. The Hawk (VL-EPU-3310)
Features and Construction
The Hawk (VL-EPU-3310) is a feature-packed Embedded Processing Unit (EPU) engineered and
tested to meet the embedded industry’s evolving requirements to develop smaller, lighter, and
lower power embedded systems while adhering to stringent regulatory standards.
Roughly the size of a credit card and less than one inch thick, the Hawk is the embedded
industry’s smallest, lightest, ultra-rugged, embedded x86 computer. This embedded computer,
equipped with an Intel† Atom† 38xx processor, is designed to withstand extreme temperature,
impact, and vibration. Its features include:
VL-EPU-3310 Reference Manual
1
Introduction

Intel Atom E3845 (1.91 GHz, Quad
Core), E3827 (1.75 GHz, Dual
Core), or E3815 (1.46 GHz, Single
Core) processor

One SATA II port, 3.0 Gbits/s

Intel High Definition Audio (HDA)
interface

Watchdog Timer, prescaler of
approximately 1 μs to 10 minutes.

Speaker out

Standard heat plate with optional
thermal solutions

4 GB or 2GB soldered-on
DDR3L-1333 RAM

A 10BaseT/100BaseTX/1000BaseT
Ethernet interface with a ruggedized
8-pin latching connector

Integrated Intel Gen 7 graphics core

Optional mounting plate

Full ACPI support


Four USB 2.0 ports
Field upgradeable AMI UEFI BIOS
with enhancements

Two RS-232/422 COM ports

RoHS compliant

One microSD socket

Extended temperature operation

One LVDS interface

Customization available

One Mini PCIe/ mSATA socket
The Hawk is compatible with popular operating systems including Microsoft†
Windows† 7/WES7, and Linux (see the VersaLogic OS Compatibility Chart).
Hawk EPUs are subjected to 100% functional testing and are backed by a limited five-year
warranty. Careful parts sourcing and US-based technical support ensure the highest possible
quality, reliability, service, and product longevity for this exceptional EPU.
VL-EPU-3310 Reference Manual
2
Introduction
Technical Specifications
Specifications are typical at +25 °C with a +12 V supply unless otherwise noted.
Board Size:
55 x 84 x 22 mm (2.17 x 3.31 x 0.87 inches)
Storage Temperature:
-40° to +85°C
Operating Temperature:
-40° to +85°C. Derate -1.1°C per 305m (1,000 ft.)
above 2,300m (7,500 ft.).
Airflow Requirements:
Zero airflow to 85°C based on customer supplied heat
removal system. User must keep the heat plate
below 90°C, measured topside center point of heat
plate.
Power Requirements: (at +25°C and +12V supply
running Windows 7 with LVDS display, SATA, GbE, COM,
and USB keyboard/mouse. Typical power computed as
the mean value of Idle and Maximum power specifications.
Maximum power measured with 95% CPU utilization.)
VL-EPU-3310-EAP:
5.2W Idle, 6.1W Typical, 7.0W Max, 0.9W S3
VL-EPU-3310-EBP:
5.5W Idle, 6.8W Typical, 8.2W Max, 0.9W S3
VL-EPU-3310-EDP:
5.9W Idle, 7.4W Typical, 8.8W Max, 0.9W S3
DRAM:
Soldered-on DDR3L SDRAM, 1333 MT/s
VL-EPU-3310-EAP: 2 GB
VL-EPU-3310-EBP: 2 GB
VL-EPU-3310-EDP: 4 GB
System Reset:
Push-button power reset via paddleboard
Watchdog timeout (warm/cold reset)
Video Interface
LVDS – 3.3V compatible, 18/24-bit, up to 1280 x 768
resolution (60 Hz)
SATA Interface:
One SATA II port, 3 Gbits/s
Flash Storage:
One microSD socket, up to 32 GB
Mini PCIe/mSATA socket
On-board eMMC Flash VL-EPU-3310-EAP: none
VL-EPU-3310-EBP: 4 GB
VL-EPU-3310-EDP: 8 GB
Ethernet Interface:
One IEEE802.3 compliant Gigabit Ethernet MAC,
10BaseT/100BaseTX/1000BaseT
COM Interface:
COM1/COM2 – RS-232/422 to DB-9 connectors on
paddleboard
USB:
Four USB 2.0 host ports to Type-A connectors on
paddleboard
Audio:
Intel High-Definition Audio CODEC
Stereo HD audio line in/out
BIOS:
AMI Aptio UEFI BIOS with OEM enhancements, field
programmable
Weight:
3.6 oz (102 grams)
Specifications are subject to change without notification.
VL-EPU-3310 Reference Manual
3
Introduction
Block Diagram
Figure 2. Hawk (VL-EPU-3310) Block Diagram
VL-EPU-3310 Reference Manual
4
Introduction
Cautions
Electrostatic Discharge
CAUTION:
Electrostatic discharge (ESD) can damage circuit boards, disk drives, and other
components. The circuit board must only be handled at an ESD workstation. If an
approved station is not available, some measure of protection can be provided by
wearing a grounded antistatic wrist strap. Keep all plastic away from the board, and do
not slide the board over any surface.
After removing the board from its protective wrapper, place the board on a grounded,
static-free surface, component side up. Use an antistatic foam pad if available.
The board should also be protected inside a closed metallic antistatic envelope during
shipment or storage.

Note:
The exterior coating on some metallic antistatic bags is sufficiently conductive to cause
excessive battery drain if the bag comes in contact with the bottom side of the Hawk.
Handling Care
CAUTION:
Avoid touching the exposed circuitry with your fingers when handling the board. Though
it will not damage the circuitry, it is possible that small amounts of oil or perspiration on
the skin could have enough conductivity to cause the contents of CMOS RAM to
become corrupted through careless handling, resulting in CMOS resetting to factory
defaults.
Earth Ground Requirement
CAUTION:
All mounting standoffs should be connected to earth ground (chassis ground). This
provides proper grounding for EMI purposes.
VL-EPU-3310 Reference Manual
5
Introduction
Thermal Considerations
CPU Die Temperature
The CPU die temperature is affected by numerous conditions, such as CPU utilization, CPU
speed, ambient air temperature, air flow, thermal effects of adjacent circuit boards, external heat
sources, and many others.
The thermal management for the Intel Atom E38xx series of processors consists of a sensor
located in the core processor area. The processor contains multiple techniques to help better
manage thermal attributes of the processor. It implements thermal-based clock throttling and
thermal-based speed step transitions. There is one thermal sensor on the processor that triggers
Intel's thermal monitor (the temperature at which the thermal sensor triggers the thermal monitor
is set during the fabrication of the processor). Triggering of this sensor is visible to software by
means of the thermal interrupt LVT entry in the local APIC. (See the Intel Atom Processor
E3800 Series Datasheet for complete information.)
Thermal Options
The following thermal options are available for the Hawk:




VL-HDW-405 – Secondary 75 mm x 84 mm mounting plate. Attaches to heat plate on
standard product. Refer to page 11 for more information.
VL-HDW-406 – Passive heat sink to mount on product heat plate
VL-HDW-408 – Heat pipe connector plate. Mounts to standard product
VL-HDW-411 – Cooling fan for HDW-406 passive heatsink. Operates at 12 V and
includes an ATX-style connection
VL-EPU-3310 Reference Manual
6
Configuration and Setup
2
Initial Configuration
The following components are recommended for a typical development system with the Hawk
EPU:







ATX power supply
VL-CBR-5016 paddleboard and cable. Refer to the chapter titled “VL-CBR-5016
Paddleboard”, beginning on page 36 for details on the VL-CBR-5016 paddleboard.
USB keyboard and mouse
SATA hard drive
USB CD-ROM drive
LVDS monitor
A thermal solution (using either VersaLogic accessories or a customer-designed
solution)
You will also need an operating system (OS) installation CD-ROM.
Basic Setup
The following steps outline the procedure for setting up a typical development system. The
Hawk should be handled at an ESD workstation or while wearing a grounded antistatic wrist
strap.
Before you begin, unpack the Hawk and accessories. Verify that you received all the items you
ordered. Inspect the system visually for any damage that may have occurred in shipping.
Contact Support@VersaLogic.com immediately if any items are damaged or missing.
Gather all the peripheral devices you plan to attach to the Hawk as well as their interface and
power cables.
It is recommended that you attach standoffs to the board (see Hardware Assembly on page 12) to
stabilize the board and make it easier to work with.
Figure 3 shows a typical setup for the Hawk in the development environment.
VL-EPU-3310 Reference Manual
7
Configuration and Setup
VL-CBR-5016
Paddleboard
J4
J1
USB Keyboard
and USB Mouse
J7
J1
VL-CBR0807
J4
ATX
Power Supply
USB CDROM Drive
VL-CBR-0401
J12
OS Installation
CD-ROM
HAWK
J2
VL-CBR0701/0702
Baseboard
SATA
Hard Drive
CPU Module
LVDS
VL-CBR-2015 or
VL-CBR-2016
Figure 3. Typical Development Configuration
1. Attach Cables and Peripherals





Attach an LVDS monitor to connector J4 of the baseboard using the VL-CBR-2015 or
VL-CBR-2016 cable.
Attach SATA hard disk to connector J2 of the baseboard using the VL-CBR-0701 or VLCBR-0702 cable.
Attach the user I/O paddleboard, VL-CBR-5016, to connector J12 of the baseboard.
Connect a USB keyboard and USB mouse to one of the USB Type-A connectors (J1 or
J7) on the paddleboard.
Attach a USB CD-ROM drive to one of the USB Type-A connectors (J1 or J7) on the
paddleboard.
2. Connect Power Source


Plug the power adapter cable VL-CBR-0807 into socket J1 of the baseboard. Attach the
motherboard connector of the ATX power supply to the adapter.
Attach an ATX power cable to any 3.5-inch drive that is not already attached to the
power supply (hard drive or CD-ROM drive).
VL-EPU-3310 Reference Manual
8
Configuration and Setup
3. Review Configuration

Before you power up the system, double-check all the connections. Make sure all cables
are oriented correctly, that adequate power will be supplied to the Hawk, and all attached
peripheral devices.
4. Power On

Turn on the ATX power supply and the video monitor. If the system is correctly
configured, a video signal should be present.
5. Install Operating System

Install the operating system according to the instructions provided by the operating
system manufacturer.
Operating System Installation
The standard PC architecture used on the Hawk makes the installation and use of most of the
standard x86-based operating systems very simple. The operating systems listed on the
VersaLogic Software Support page use the standard installation procedures provided by the
maker of the operating system. Special optimized hardware drivers for a particular operating
system, or a link to the drivers, are available on the Hawk Support Page.
BIOS Setup
Refer to the VersaLogic System Utility Reference Manual for information on how to configure
the Hawk BIOS.
VL-EPU-3310 Reference Manual
9
Physical Details
3
Dimensions and Mounting
Hawk Dimensions
The Hawk complies with the COM Express mini form factor standard. Figure 4 provides the
board’s dimensions to assist with pre-production planning and layout.
Figure 4. Hawk Dimensions and Mounting Holes
(Not to scale. All dimensions in millimeters.)
VL-EPU-3310 Reference Manual
10
Physical Details
VL-HDW-405 Mounting Plate Dimensions
Figure 5. Mounting Plate Dimensions
(Not to scale. All dimensions in millimeters.)
VL-EPU-3310 Reference Manual
11
Physical Details
Hardware Assembly
There are two basic assembly methods:

Heat plate down (in relation to the enclosure)

Heat plate up
These assembly methods are shown in Figure 6 and Figure 7, respectively. An optional
mounting plate, VL-HDW-405, can be used with either method. See Appendix A – Mounting
Options beginning on page 52 for mounting configuration details.
Heat Plate Down
Figure 6 shows the assembly including the mounting plate. Use this assembly method if you are
attaching the Hawk to a larger thermal solution such as a metal chassis/enclosure.
Figure 6. Hardware Assembly with Heat Plate Down
The recommended method is to attach the Hawk heat plate to the mounting plate (VL-HDW405), and attach the mounting plate to the enclosure.
A thermal interface compound must be applied to the heat plate to thermally bond it to the
mounting plate or other surface to which the Hawk is mounted. Spread the compound thinly and
evenly across the entire heat plate surface before mounting. The compound is supplied in the
VL-CKR-HAWK cable kit or sold separately as part number VL-HDW-401.
VL-EPU-3310 Reference Manual
12
Physical Details
Heat Plate Up
Use this assembly method if you are adding a heatsink to the standard Hawk heat plate. Figure 7
shows the assembly including the optional HDW-405 mounting plate and optional HDW-406
heatsink.
Figure 7. Hardware Assembly with Heat Plate Up
The recommended assembly method for this configuration is as follows:
1. Attach the heatsink to the Hawk heat plate.
2. Attach the baseboard to the mounting plate (VL-HDW-405) with standoffs.
3. Attach the mounting plate to the enclosure.
Additional thermal options are available for the Hawk. Refer to page 6 for more information.
VL-EPU-3310 Reference Manual
13
Physical Details
External Connectors
Baseboard Connector Locations
Reference Designator
Description
J1
Power
J12
User I/O
J3
Reserved – not used
J2
SATA
J6
Ethernet
J7
Mini PCIe/mSATA
J10
microSD
J4
LVDS
Figure 8. Baseboard Connector Locations
VL-EPU-3310 Reference Manual
14
Physical Details
Hawk Connector Functions and Interface Cables
Table 1 provides information about the function, mating connectors, and transition cables for
Hawk connectors. Page numbers indicate where a detailed pinout or additional information is
available.
Table 1: Connector Functions and Interface Cables
Connector
(Note)
Function
J1
Input power
Hirose DF11-8DS-2C (housing),
Hirose DF11-22SC x8 (crimp
socket)
VL-CBR-0807
12" 8-pin ATX power
cable adapter
18
J2
SATA II port
Latching SATA
VL-CBR-0702
19.75" latching SATA
cable
27
J3
Reserved/
Not used
—
—
J4
LVDS
Hirose DF19G-20S-1C (housing),
Hirose DF19-2830SCFA x19 (crimp
socket)
VL-CBR-2015
--or—
VL-CBR-2016
20" 18- or 24-bit LVDS
cable (attaches to
optional VL-CBR-2014,
LVDS to VGA adapter)
32
J6
Ethernet
FCI 10073599-008LF (housing),
2mm Minitek, AWG 22-24 x8
(crimp terminal)
VL-CBR-0804
Latching Ethernet cable
23
J7
J10
J12
Mating Connector
Mini PCIe / Mini PCIe card or VL-MPEs-F1E
mSATA socket Series mSATA Flash Drive
microSD
User I/O
VL-F41-xxxx microSD Flash Drive
Oupiin 1204-50G00B2A
Transition
Cable
—
Cable Description
—
Refer to
page…
—
—
27
—
—
30
VL-CBR-5016
12" 1.27 mm IDC 50-pin
to 50-pin
22
Note: Connectors not listed are either not installed, for factory use only, or used for CPU module/baseboard
interconnect.
VL-EPU-3310 Reference Manual
15
Physical Details
Jumper Blocks
Jumper As-Shipped Configuration
Figure 9. Jumpers As-Shipped Configuration
VL-EPU-3310 Reference Manual
16
Physical Details
Jumper Configuration Summary
Table 2: Jumper Block V6 – Endpoint Termination
Pins
Function
Description
1-2
Reserved
Not used
3-4
Reserved
Not used
5-6
Reserved
Not used
7-8
COM1 termination
9-10
COM2 termination




Configuration,
as shipped
In: Endpoint termination
Out: Not terminated
In: Endpoint termination
Out: Not terminated
Table 3: Jumper Block V2 - Serial Port Mode
Pins
Function
Description
1-2
Reserved
Not used
3-4
Reserved
Not used
5-6
COM1 mode
7-8
COM2 mode
9-10
Reserved




Configuration,
as shipped
In: RS-232
Out: RS-422
In: RS-232
Out: RS-422
Not used
Table 4: Jumper Block V1 - Wireless Radio Disable Configuration
Pins
Function
1-2
Wireless
Disable
Description


VL-EPU-3310 Reference Manual
Configuration,
as shipped
In: Wireless radio operation disabled on Mini PCIe card
Out: Wireless radio operation enabled
17
4
System Features
Power Delivery
Main input power is applied to the Hawk through the 8-pin power connector, J1.
Power Requirements
The Hawk requires a single +8-17 VDC supply of 2 A (24 W) or better. The input DC supply
creates both the standby and payload voltages provided to the CPU module.
The exact power requirements for the Hawk depend on several factors, including CPU
configuration (the number of cores, CPU clock rate), memory configuration, peripheral
connections, and attached devices, and others. For example, driving long RS-232 lines at high
speed can increase power demand.
The VersaLogic VL-PS-ATX12-300A is a 1U size ATX power supply designed for use with the
Hawk. Use the VL-CBR-0807 adapter cable to attach the power supply to the J1 connector.
Table 5: J1 Main Power Connector Pinout
Pin
Signal
Description
Pin
Signal
Description
1
V12P0_IN
+12 VDC power input
2
V12P0_IN
+12 VDC power input
3
V12P0_IN
+12 VDC power input
4
GND
Ground
5
GND
Ground
6
GND
Ground
7
V3P3_RTC
+2.75V to +3.3V Battery
8
SLP_R#
Sleep#
Figure 10. J1 Main Power Connector Pin Orientation
Power Delivery Considerations
Using the VersaLogic approved power supply (VL-PS-ATX12-300A) and power cable (VLCBR-0807) will ensure high quality power delivery to the board. Customers who design their
own power delivery methods should take into consideration the guidelines below to ensure good
power connections.
Also, the specifications for typical operating current do not include any off-board power usage
that may be fed through the Hawk power connector. Expansion boards and USB devices plugged
into the board will source additional power through the Hawk power connector.
VL-EPU-3310 Reference Manual
18
System Features

Do not use wire smaller than 22 AWG. Use high quality UL 1007 compliant stranded
wire.

The length of the wire should not exceed 18 inches.

Avoid using any additional connectors in the power delivery system.

The power and ground leads should be twisted together, or as close together as possible
to reduce lead inductance.

A separate conductor must be used for each of the power pins.

All power input pins and all ground pins must be independently connected between the
power source and the power connector.

Use a high quality power supply that can supply a stable voltage while reacting to widely
varying current draws.
CPU
The Intel Atom E38xx SoC features integrated 3D graphics, video encode and decode, and
memory and display controllers in one package.
System RAM
The Hawk has soldered-on SDRAM with the following characteristics:



Memory Type: DDR3L
Data Rate: 1333 MT/s
Storage Capacity: 2 GB or 4 GB
o VL-EPU-3310-EAP: 2 GB
o VL-EPU-3310-EBP: 2 GB
o VL-EPU-3310-EDP: 4 GB
Flash Storage
The Hawk has the following Flash storage capabilities:



One microSD socket that supports microSD cards up to 32 GB
One Mini PCIe/mSATA socket
On-board eMMC Flash
o VL-EPU-3310-EAP: none
o VL-EPU-3310-EBP: 4 GB
o VL-EPU-3310-EDP: 8 GB
Real-Time Clock (RTC)
The Hawk features a real-time clock/calendar (RTC) circuit. The Hawk supplies RTC voltage in
S5, S3, and S0 states, but requires an external +2.75 V to +3.3 V battery connection to pin 7 of
the J1 power connector to maintain RTC functionality and RTC CMOS RAM when the Hawk is
not powered. The RTC can be set using the BIOS Setup program.
VL-EPU-3310 Reference Manual
19
System Features
Watchdog Timer
The Hawk has a watchdog timer that contains a selectable prescaler approximately 1 μs to
10 minutes. See the Intel Atom Processor E3800 Series Datasheet for configuration information.
Default BIOS Settings
The Hawk permits you to store user-defined BIOS settings. This enables you to retrieve those
settings from cleared or corrupted CMOS RAM, or battery failure. All BIOS defaults can be
changed, except the time and date. BIOS defaults can be updated with the BIOS Update Utility.
CAUTION: If BIOS default settings make the system unbootable and prevent the user
from entering the BIOS Setup program, the Hawk must be serviced by the factory.
Default BIOS Setup Values
After CMOS RAM is cleared, the system loads default BIOS parameters the next time the board
is powered on. The default CMOS RAM setup values will be used in order to boot the system
whenever the main CMOS RAM values are blank, or when the system battery is dead or has been
removed from the board.
Console Redirection
The Hawk can be configured for remote access by redirecting the console to a serial
communications port. BIOS Setup and some operating systems such as DOS can use this
console for user interaction.
Console redirection settings are configured in the BIOS Setup. Console redirection is enabled by
default. The decision to redirect the console is made early in BIOS execution and cannot be
changed later.
Console redirection can be disabled or redirected to a different COM port. The default settings
for the redirected console are 115.2 Kbps, 8 data bits, 1 stop bit, no parity, and no flow control.
Figure 11 shows the wiring for a DB9-to-DB9 adapter for console redirection of an RS-232 serial
port.
Figure 11. Wiring for a DB9 to DB9 RS-232 Adapter for Console Redirection
VL-EPU-3310 Reference Manual
20
Interfaces and Connectors
5
I/O Connector
The 50-pin user I/O connector (J12) incorporates the two COM ports, four USB ports,
programmable LED, power LED, push-button reset, power button, audio line in/out, and speaker
interfaces. The following figure and tables describe the J12 connector:

Figure 12 shows the pin orientation of the J12 connector.

Table 6 lists the function of each pin on the J12 connector.

Table 14 on page 37 shows how the pins of the J12 connector map to the connectors on
the VL-CBR-5016 paddleboard.
Figure 12. Pin Orientation of J12 User I/O Connector
VL-EPU-3310 Reference Manual
21
Interfaces and Connectors
Table 6 lists the function of each pin on the J12 connector.
Table 6: J12 User I/O Connector Pinout
Pin
Signal
1
Ground
Pin
2
Signal
RxD [for RS-232
RxD- [for RS-422]
3
RxD+ [RS-422]
4
5
TxD [for RS-232]
TxD- [for RS-422]
6
TxD+ [RS-422]
8
RxD [for RS-232]
RxD- [for RS-422]
7
Ground
9
CTS [for RS-232]
RxD+ [for RS-422]
10
11
TxD [for RS-232]
TxD- [for RS-422]
12
Ground
Ground
RTS [for RS-232]
TxD+ [for RS-422]
13
Ground
14
15
Not used
16
Ground
17
Not used
18
Not used
19
Ground
20
Not used
21
Not used
22
Ground
23
Not used
24
Not used
25
USB0 +5.0V
26
USB0 Data +
27
USB0 Data -
28
USB1 +5.0V
29
USB1 Data +
30
USB1 Data -
31
USB2 +5.0V
32
USB2 Data +
33
USB2 Data -
34
USB3 +5.0V
35
USB3 Data +
36
USB3 Data +
37
+5.0 V (Protected)
38
Programmable LED output
(D1 mSATA activity)
39
Speaker output
40
Push-button Reset
41
Power button
42
Ground
43
Left channel line in
44
High-Definition Audio ground
45
Right channel line in
46
High-Definition Audio ground
47
Left channel line out
48
High-Definition Audio ground
49
Right channel line out
50
High-Definition Audio ground
VL-EPU-3310 Reference Manual
Not used
22
Interfaces and Connectors
Ethernet Interface
The Hawk features an Intel I210 Gigabit Ethernet controller. The controller provides a standard
IEEE 802.3 Ethernet interface for 1000Base-T, 100Base-TX, and 10Base-T applications.
Drivers are readily available to support a variety of operating systems. For more information on
this device, refer to the Intel I210 Ethernet Controller datasheet.
Ethernet Connector
An 8-pin, right angle, latching Ethernet connector (J6) is provided to make connection with a
Category 5 or 6 Ethernet cable. The Ethernet controller auto-negotiates connection speed. The
interface uses IEC 61000-4-2-rated TVS components to help protect against ESD damage.
Table 7: J6 Ethernet Connector Pinout
Pin
Signal
Function
Pin
Signal
Function
1
MDI3_N
Bi-directional pair D–
2
MDI3_P
Bi-directional pair D+
3
MDI1_N
Bi-directional pair B–
4
MDI1_P
Bi-directional pair B+
5
MDI2_N
Bi-directional pair C–
6
MDI2_P
Bi-directional pair C+
7
MDI0_N
Bi-directional pair A–
8
MDI0_P
Bi-directional pair A+
Figure 13. J6 Ethernet Connector Pin Orientation
VL-EPU-3310 Reference Manual
23
Interfaces and Connectors
Correctly Installing the VL-CBR-0804 Latching Ethernet Cable
When attaching the VL-CBR-0804 Latching Ethernet Cable, be sure to align the cable correctly
to the connector. Figure 14 shows the correct alignment of the cable, as seen from the top and
bottom sides of the board.
Figure 14. Correct Alignment of VL-CBR-0804 Cable to J6 Ethernet Connector
VL-EPU-3310 Reference Manual
24
Interfaces and Connectors
Figure 15 shows the cable correctly installed, as seen from the top and bottom sides of the board.
Figure 15. Correct Installation of VL-CBR-0804 Cable
VL-EPU-3310 Reference Manual
25
Interfaces and Connectors
Ethernet Status LEDs
A dual green/yellow status LED is provided at location D4. This LED provides an indication of
the Ethernet status as shown in Table 8. Figure 16 shows the location of the Ethernet status
LED.
Table 8: On-board Ethernet Status LEDs (D4)
LED
Green/Yellow (Link/Activity)
State
Description
Yellow
Activity
Green
Link
Off
No Link
Figure 16. Onboard Ethernet Status LED
VL-EPU-3310 Reference Manual
26
Interfaces and Connectors
SATA Interface
The Hawk provides one serial ATA (SATA) port that communicates at a rate of up to 3.0 Gbits/s
(SATA II). The SATA connector at baseboard location J2 is a SATA II-compatible right-angle
connector with latching capability. Power to SATA drive is supplied by the ATX power supply.
Note that the standard SATA drive power connector is different from the common 4-pin Molex
connector used on IDE drives. Most current ATX power supplies provide SATA connectors, and
many SATA drives provide both types of power connectors. If the power supply you are using
does not provide SATA connectors, adapters are available.
Table 9: J2 SATA Port Pinout
J2 (baseboard)
Signal Name
Function
1
GND
Ground
2
TX+
Transmit +
3
TX-
Transmit -
4
GND
Ground
5
RX-
Receive -
6
RX+
Receive +
7
GND
Ground
Mini PCIe / mSATA Socket
The socket at location J7 accepts a full- or half-height Mini PCI Express (PCIe) card or an
mSATA module.
The Mini PCIe interface includes one PCIe x1 lane, one USB 2.0 channel, and the SMBus
interface. The socket is compatible with plug-in Wi-Fi modems, GPS receivers, MIL-STD-1553,
flash data storage, and other cards for added flexibility. An Intel Wi-Fi Link 5300 Mini PCIe
card (VL-WD10-CBN) is available from VersaLogic. A Wi-Fi antenna (VL-CBR-ANT01) and a
12" Wi-Fi card to bulkhead RP-SMA transition cable (VL-CBR-0201) are also available. For
more information, contact Sales@VersaLogic.com.
The VL-MPEs-F1E series of mSATA modules provide flash storage of 4 GB, 16 GB, or 32 GB.
To secure a Mini PCIe card or mSATA module to the on-board standoffs, use two M2.5 x 6 mm
pan head Philips nylon screws. These screws are available in quantities of 10 in the VL-HDW108 hardware kit from VersaLogic.
VL-EPU-3310 Reference Manual
27
Interfaces and Connectors
Table 10: Mini PCIe / mSATA Pinout
J7
Pin
Mini PCIe
Signal Name
Mini PCIe Function
mSATA Signal
Name
mSATA Function
1
WAKE#
Wake
Reserved
Not connected
2
3.3VAUX
3.3 V auxiliary source
+3.3V
3.3 V source
3
NC
Not connected
Reserved
Not connected
4
GND
Ground
GND
Ground
5
NC
Not connected
Reserved
Not connected
6
1.5V
1.5 V power
+1.5V
1.5 V power
7
CLKREQ#
Reference clock request
Reserved
Not connected
8
NC
Not connected
Reserved
Not connected
9
GND
Ground
GND
Ground
10
NC
Not connected
Reserved
Not connected
11
REFCLK-
Reference clock input –
Reserved
Not connected
12
NC
Not connected
Reserved
Not connected
13
REFCLK+
Reference clock input +
Reserved
Not connected
14
NC
Not connected
Reserved
Not connected
15
GND
Ground
GND
Ground
16
NC
Not connected
Reserved
Not connected
17
NC
Not connected
Reserved
Not connected
18
GND
Ground
GND
Ground
19
NC
Not connected
Reserved
Not connected
20
W_DISABLE#
Wireless disable
Reserved
Not connected
21
GND
Ground
GND
Ground
22
PERST#
Card reset
Reserved
Not connected
23
PERn0
PCIe receive –
+B
Host receiver diff. pair +
24
3.3VAUX
3.3 V auxiliary source
+3.3V
3.3 V source
25
PERp0
PCIe receive +
-B
Host receiver diff. pair –
26
GND
Ground
GND
Ground
27
GND
Ground
GND
Ground
28
1.5V
1.5 V power
+1.5V
1.5 V power
29
GND
Ground
GND
Ground
30
SMB_CLK
SMBus clock
Two Wire I/F
Two wire I/F clock
31
PETn0
PCIe transmit –
-A
Host transmitter diff. pair –
32
SMB_DATA
SMBus data
Two Wire I/F
Two wire I/F data
33
PETp0
PCIe transmit +
+A
Host transmitter diff. pair +
34
GND
Ground
GND
Ground
35
GND
Ground
GND
Ground
36
USB_D-
USB data –
Reserved
Not connected
37
GND
Ground
GND
Ground
38
USB_D+
USB data +
Reserved
Not connected
39
3.3VAUX
3.3V auxiliary source
+3.3V
3.3 V source
40
GND
Ground
GND
Ground
VL-EPU-3310 Reference Manual
28
Interfaces and Connectors
J7
Pin
Mini PCIe
Signal Name
Mini PCIe Function
mSATA Signal
Name
mSATA Function
41
3.3VAUX
3.3 V auxiliary source
+3.3V
3.3 V source
42
LED_WWAN#
Wireless WAN LED
Reserved
Not connected
43
GND
mSATA Detect 1
GND/NC
Ground/Not connected 2
44
LED_WLAN#
Wireless LAN LED
Reserved
Not connected
45
NC
Not connected
Vendor
Not connected
46
LED_WPAN#
Wireless PAN LED
Reserved
Not connected
47
NC
Not connected
Vendor
Not connected
48
1.5V
1.5 V power
+1.5V
1.5 V power
49
Reserved
Reserved
DA/DSS
Device activity 3
50
GND
Ground
GND
Ground
51
Reserved
Reserved
GND
Ground 4
52
3.3VAUX
3.3 V auxiliary source
+3.3V
3.3 V source
Notes:
1.
This pin is not grounded on the Hawk since it can be used to detect the presence of an mSATA
module versus a Mini PCIe card.
2.
This pin is not grounded on the Hawk to make it available for mSATA module detection.
3.
This signal drives the top LED (D1) on the VL-CBR-5016 paddleboard. This LED lights with
mSATA disk activity (if supported by the mSATA module).
4.
Some Mini PCIe cards use this signal as a second Mini PCIe card wireless disable input. On the
Hawk, this signal is available for use for mSATA versus Mini PCIe card detection. There is an
option on the VersaLogic Features BIOS setup screen for setting the mSATA detection method.
W_Disable# Signal
The W_DISABLE# is for use with optional wireless Ethernet Mini PCIe cards. The signal
enables you to disable a wireless card’s radio operation in order to meet public safety regulations
or when otherwise desired. The W_DISABLE# signal is an active low signal that when driven
low (shorted to ground) disables radio operation on the Mini PCIe card wireless device. When
the W_DISABLE# is not asserted, or in a high impedance state, the radio may transmit if not
disabled by other means such as software.
VL-EPU-3310 Reference Manual
29
Interfaces and Connectors
Mini PCIe Card Wireless Status LEDs
Three wireless status LEDs are provided on the Hawk at locations D5 and D6. D6 is a dualcolored (green and yellow) LED. These LEDs light when the associated device is installed and
capable of transmitting. Table 11 lists the states of the D5 and D6 LEDs. Figure 17 shows their
location on the Hawk.
Table 11: Mini PCIe Card Wireless Status LEDs (D5/D6)
LED
State
Description
D5
Yellow
Wireless WAN activity
Green
Wireless LAN activity
Yellow
Wireless PAN activity
D6
Figure 17. Mini PCIe Wireless Status LEDs
USB Interface
The Hawk provides four USB 2.0 ports.
The USB interface on the Hawk is UHCI (Universal Host Controller Interface) and EHCI
(Enhanced Host Controller Interface) compatible, which provides a common industry
software/hardware interface. The Hawk provides dual Type-A USB host connectors at locations
J1 and J7 on the VL-CBR-5016 paddleboard. One additional USB channel is available through
the Mini PCIe card connector at J7.
VL-EPU-3310 Reference Manual
30
Interfaces and Connectors
microSD Socket
The Hawk provides a microSD socket on the baseboard (J10). The VL-F41 series of microSD
cards provide solid-state storage of 2 GB, 4 GB, or 8 GB. The microSD socket accommodates
cards with up to 32 GB of storage capacity.
Serial Ports
The Hawk provides two serial ports. Both ports can be operated in RS-232 or RS-422 mode.
IRQ lines are chosen in CMOS Setup. The UARTs for the two ports are implemented
differently. The following two subsections describe the unique characteristics of each UART.
UART0
UART0 provides a 16550-based serial port driven by a 48 MHz clock. The operating system
should configure the clock rate in the UART Driver and UART Clock in the Packet Hub Driver
for proper functionality.
UART1
UART1 is a PCI memory-mapped I/O port. For information on how to implement this UART,
refer to the Intel Atom Processor E3800 Product Family Design-in Guide.
COM Port Configuration
Jumper block V2 configures the serial ports for RS-232 or RS-422 operation. See the section
titled “Jumper Blocks” on page 16 for details. The termination resistor should be enabled for
RS-422 endpoint stations. Termination is not used for RS-232 intermediate stations.
Serial Port Connectors
Table 12 lists the pinouts of the DB9M serial port connectors on the VL-CBR-5016 paddleboard.
These connectors use IEC 61000-4-2-rated TVS components to help protect against ESD
damage.
Table 12: COM1 and COM2 Pinouts – VL-CBR-5016 Connector J2
DB9 Pin
VL-EPU-3310 Reference Manual
RS-232
RS-422
1
—
—
2
RXD
RxD-
3
TXD
TxD-
4
—
—
5
Ground
Ground
6
—
—
7
—
—
8
—
—
9
—
—
31
Interfaces and Connectors
Video
The Intel Atom E38xx processor series contains an integrated graphics engine with advanced
2D/3D graphics, video decode and encode capabilities, and a display controller. The Hawk
supports one LVDS display.
LVDS Flat Panel Display Connector
The integrated LVDS flat panel display in the Hawk is an ANSI/TIA/EIA-644-1995
specification-compliant interface. It can support 18 or 24 bits of RGB pixel data plus 3 bits of
timing control (HSYNC/VSYNC/DE) on the 4 differential data output pairs. The LVDS
interface supports a maximum resolution of 1280 x 768 (60 Hz).
The Hawk has one LVDS connector at location J4.
The BIOS Setup program provides several options for standard LVDS flat panel types. If these
options do not match the requirements of the panel you are using, contact
Support@VersaLogic.com for a custom video BIOS.
Table 13: J4 LVDS Flat Panel Display Connector Pinout
Pin
Signal Name
Function
1
GND
Ground
2
NC
Not Connected
3
LVDSA3
Differential Data 3 (+)
4
LVDSA3#
Differential Data 3 (-)
5
GND
Ground
6
LVDSCLK0
Differential Clock (+)
7
LVDSCLK0#
Differential Clock (-)
8
GND
Ground
9
LVDSA2
Differential Data 2 (+)
10
LVDSA2#
Differential Data 2 (-)
11
GND
Ground
12
LVDSA1
Differential Data 1 (+)
13
LVDSA1#
Differential Data 1 (-)
14
GND
Ground
15
LVDSA0
Differential Data 0 (+)
16
LVDSA0#
Differential Data 0 (-)
17
GND
Ground
18
GND
Ground
19
+3.3V
+3.3 V (Protected)
20
+3.3V
+3.3 V (Protected)
The +3.3V power provided to pins 19 and 20 of J4 is protected by a software-controllable power
switch (1 Amp max.). This switch is controlled by the LVDD_EN signal from the LVDS
interface controller in the CPU.
VL-EPU-3310 Reference Manual
32
Interfaces and Connectors
VGA Output
A VGA monitor can be attached to the J4 connector using the VL-CBR-2014 LVDS to VGA
adapter card. Follow the procedure below to do this.
1. Plug the "Host End" of the LVDS cable VL-CBR-2015 into connector J4 of the Hawk.
2. Plug the LVDS cable into connector J1 of the VL-CBR-2014 adapter card (see Figure 18).
3. Attach the VGA monitor data cable to connector CN1 of the VL-CBR-2014 adapter cable.
Figure 18. VL-CBR-2014 LVDS to VGA Adapter Card
External Speaker
Connector J12 includes a speaker output signal at pin 39. The VL-CBR-5016 paddleboard
provides a piezoelectric speaker. Figure 19 on page 36 shows the location of the piezoelectric
speaker on the VL-CBR-5016 paddleboard.
VL-EPU-3310 Reference Manual
33
Interfaces and Connectors
Audio
The audio interface on the Hawk is implemented using an Integrated Device Technology, Inc.
audio codec. This interface is Intel High Definition Audio (HDA) compatible. Drivers are
available for most Windows-based and Linux operating systems. To obtain the most current
versions, consult the Hawk Product Support Page.
The J12 main I/O connector provides the line-level stereo input and line-level stereo output
connection points. The outputs will drive most amplified PC speaker sets. Audio line-in and
line-out connectors are provided on the VL-CBR-5016 paddleboard. Figure 19 on page 36 shows
the locations of the audio line-in and line-out connectors.

Integrator’s Note:
In Windows, the rear line-in audio input is configured by default as a microphone input.
To configure it for audio input, disable the microphone boost to eliminate audio distortion.
Push-button Reset
Connector J12 includes an input for a push-button reset switch. Shorting J12 pin 40 to ground
causes the Hawk to reboot. This must be a mechanical switch or an open-collector or open-drain
active switch with less than a 0.5V low-level input when the current is 1 mA. There must be no
pull-up resistor on this signal. This connector uses IEC 61000-4-2-rated TVS components to
help protect against ESD damage.
A reset button is provided on the VL-CBR-5016 paddleboard. Refer to Chapter 6, VL-CBR5016 Paddleboard, beginning on page 36 for more information.
Power Button
Connector J12 includes an input for a power button. A momentary short to ground or assertion
of J12 pin 41 will cause a power button ACPI event. The button event can be configured in
Windows to enter an S3 power state (Sleep, Standby, or Suspend-to-RAM), an S4 power state
(Hibernate or Suspend-to-Disk), or an S5 power state (Shutdown or Soft-Off). A short or
assertion with a duration of more than 4 seconds will cause an abrupt hardware power down to
S5. This connector uses IEC 61000-4-2-rated TVS components to help protect against ESD
damage.
A power button is provided on the VL-CBR-5016 paddleboard. Refer to Chapter 6, VL-CBR5016 Paddleboard, beginning on page 36 for more information.
Supported Power States
The Hawk supports the following power states:

S0 (G0): Working.

S1 (G1-S1): All processor caches are flushed and the CPU stops executing instructions.
Power to the CPU and RAM is maintained. Devices that do not indicate they must
remain on may be powered down.
VL-EPU-3310 Reference Manual
34
Interfaces and Connectors

S3 (G1-S3): Commonly referred to as Standby, Sleep, or Suspend-to-RAM. RAM
remains powered.

S4 (G1-S4): Hibernation or Suspend-to-Disk. All content of main memory is saved to
non-volatile memory, such as a hard drive, and is powered down.

S5 (G2): Soft Off. Almost the same as G3 Mechanical Off, except that the power
supply still provides power, at a minimum, to the power button to allow return to S0. A
full reboot is required. No previous content is retained. Other components may remain
powered so the computer can "wake" on input from the keyboard, clock, modem, or
LAN.

G3: Mechanical off (ATX supply switch turned off).
LEDs
mSATA Activity LED
Connector J12 includes an output signal for an mSATA activity LED that corresponds to the top
LED at position D1 on the VL-CBR-5016 paddleboard. Refer to the section titled
“Indicators/LEDs” on page 38 for more information.
Power LED
The power LED (the bottom LED at position D1) on the VL-CBR-5016 indicates that the
paddleboard is being powered by the +5V supply (though it does not indicate that all S0 power
supplies are good). The LED is lit only when the board is in the S0 power state. If the board
enters a Sleep or Hibernate mode, the LED will not light. Refer to the section titled
“Indicators/LEDs” on page 38 for more information.
VL-EPU-3310 Reference Manual
35
VL-CBR-5016 Paddleboard
6
This chapter provides information on the VL-CBR-5016 paddleboard.
Connectors and Controls
Connector and Control Locations
Figure 19. VL-CBR-5016 Connectors and Controls
VL-EPU-3310 Reference Manual
36
VL-CBR-5016 Paddleboard
Table 14 shows how the pins of the baseboard’s J12 connector map to the connectors on the
VL-CBR-5016 paddleboard.
Table 14: User I/O Connector Pinout Mapped to VL-CBR-5016 Paddleboard
J12 Pin
Paddleboard
Connector
1
2
J2
Signal
J12 Pin
RS-232
RS-422
Ground
Ground
26
RXD
RxD-
27
25
3
COM1
—
RxD+
28
4
(Top DB-9)
Ground
Ground
29
TXD
TxD-
30
5
6
—
TxD+
31
7
Ground
Ground
32
RXD
RxD-
33
8
J2
Paddleboard
Connector
9
COM2
CTS
RxD+
34
10
(Bottom DB9)
Ground
Ground
35
Signal
USB0 +5.0V
USB0
Data +
Data USB1 +5.0V
USB1
Data +
Data USB2 +5.0V
USB2
Data +
Data USB3 +5.0V
USB3
Data +
11
TXD
TxD-
36
Data -
12
RTS
TxD+
37
+5.0V (Protected)
13
Ground
Ground
38
D1
14
mSATA activity
—
—
39
SP1
—
—
40
S2
16
Ground
Ground
41
S1
17
—
—
42
Ground
18
—
—
43
Audio In - Left
19
Ground
Ground
44
20
21
—
—
—
—
45
46
22
Ground
Ground
47
23
—
—
48
24
—
—
49
15
Not used
Not used
50
VL-EPU-3310 Reference Manual
Audio In
(J3 Top)
Speaker
Push-button Reset
Power Button
HDA ground (isolated)
Audio In - Right
HDA ground (isolated)
Audio Out - Left
Audio Out
(J3 Bottom)
HDA ground (isolated)
Audio Out - Right
HDA ground (isolated)
37
VL-CBR-5016 Paddleboard
J6 Terminal Block
The five-pin terminal block at location J6 provides off-board access to the power button, the reset
button, and an external battery input. Table 15 lists the pinout of the J6 terminal block. Figure
20 shows the location and the pin configuration of the J6 terminal block.
Table 15: J6 Terminal Block Pinout (on VL-CBR-5016 Paddleboard)
Pin
Signal Name
Function
1
2
3
4
5
V_BATT_AUX
GND
PWR_BTN#
GND
RST_BTN#
Auxiliary battery connection
Ground
Power button input
Ground
Reset button input
Figure 20. Pin Configuration of J6 Terminal Block on the VL-CBR-5016 Paddleboard
Indicators/LEDs
mSATA Activity LED
Connector J12 on the baseboard includes an output signal for an mSATA activity LED that
corresponds to the top LED at position D1 on the VL-CBR-5016 paddleboard.
Power LED
The power LED (the bottom LED at position D1) on the VL-CBR-5016 indicates that the
paddleboard is being powered by the +5V supply (though it does not indicate that all S0 power
supplies are good). The LED is lit only when the board is in the S0 power state. If the board
enters a Sleep or Hibernate mode, the LED will not light.
VL-EPU-3310 Reference Manual
38
VL-CBR-5016 Paddleboard
Dimensions
Figure 21. VL-CBR-5016 Dimensions
(Not to scale. All dimensions in inches.)
VL-EPU-3310 Reference Manual
39
Thermal Considerations
7
This chapter discusses the following topics related to thermal issues:

Selecting the correct thermal solution for your application

EPU-3310 thermal characterization

Installing the passive (HDW-406 heat sink), the active (HDW-411 fan), and the heat pipe
block (HDW-408) thermal solutions available from VersaLogic
Selecting the Correct Thermal Solution for Your Application
This section provides guidelines for the overall system thermal engineering effort.
Heat Plate
The heat plate supplied with the Hawk is the basis of the thermal solution. The heat plate draws
heat away from the CPU chip as well as other critical components. Some components rely on the
ambient air temperature being maintained at or below the maximum specified 85 ºC temperature.
The heat plate is designed with the assumption that the user’s thermal solution will maintain the
top surface of the heat plate at 90 ºC or less. If that temperature threshold is maintained, the
CPU will remain safely within its operating temperature limits.
CAUTION:
By itself, the heat plate is not a complete thermal solution. Integrators should either implement a
thermal solution using the accessories available from VersaLogic or develop their own thermal
solution that attaches to the heat plate, suitable for environments in which the EPU-3310 will be
used. As stated above, the thermal solution must be capable of keeping the top surface of the
heat place at or below 90 ºC and the air surrounding the components in the assembly at or below
85 ºC.
The heat plate is permanently affixed to the Hawk and must not be removed. Removal of the
heat plate voids the product warranty. Attempting to operate the Hawk without the heat plate
voids the product warranty and can damage the CPU.
System-level Considerations
The Hawk is often mounted directly to another thermally controlled surface via its heat plate
(that is, the inside surface of an enclosure). In this case, the user needs to maintain the heat plate
at or below 90 ºC by controlling the mounting surface temperature. The EPU-3310 thermal
solutions available from VersaLogic – the HDW-406 heat sink with or without the HDW-411
fan, or the HDW-408 heat pipe block – can be used in the user’s final system or only used during
product development as a temporary bench-top solution.
The ambient air surrounding the EPU-3310 needs to be maintained at 85 ºC or below. This may
prove to be challenging depending on how and where the EPU-3310 is mounted in the end user
system.
VL-EPU-3310 Reference Manual
40
Thermal Considerations
The decision as to which thermal solution to use can be based on several factors including:

Number of CPU cores in the SoC (single, dual, or quad)

CPU and video processing utilization by the user application

Temperature range within which the EPU-3310 will be operated

Air movement (or lack of air movement)
Most of these factors involve the demands of the user application on the EPU-3310 and cannot
be isolated from the overall thermal performance. Due to the interaction of the user application,
the Hawk thermal solution, and the overall environment of the end system, thermal performance
cannot be rigidly defined.
The ambient air surrounding the EPU-3310 needs to be maintained at 85 ºC or below. This
would include the space between the two main boards as well as the space beneath an installed
miniPCIe expansion board. This may prove to be challenging depending on how and where the
EPU-3310 is mounted in the end-user system. Standard methods for addressing this requirement
include the following:

Provide a typical airflow of 100 linear feet per minute (LFM) / 0.5 linear meters per
second (as described in the section titled EPU-3310 Thermal Characterization, beginning
on page 44) within the enclosure

Position the EPU-3310 board to allow for convective airflow

Lower the system level temperature requirement as needed
CPU Thermal Trip Points
The CPU cores in the Hawk have their own thermal sensors. Coupled with these sensors are
specific reactions to three thermal trip points. Table 16 describes the three thermal trip points.
Note that these are internal temperatures that are about 10 ºC above the heat plate temperature.
Table 16: CPU Thermal Trip Points
Trip Point
Passive (Note 1)
Critical (Note 2)
Maximum core temperature
Description
At this temperature, the CPU cores throttle back to a lower speed. This
reduces the power draw and heat dissipation, but lowers the processing
speed.
At this temperature, the operating system typically puts the board into a
sleep or other low-power state.
The CPU turns itself off when this temperature is reached. This is a fixed
trip point and cannot be adjusted.
Notes:
1. The default value in the BIOS Setup program for this trip point is 90 ºC.
2. The default value in the BIOS Setup program for this trip point is 100 ºC.
These trip points allow maximum CPU operational performance while maintaining the lowest
CPU temperature possible. The long-term reliability of any electronic component is degraded
when it is continually run near its maximum thermal limit. Ideally, the CPU core temperatures
will be kept well below 100 ºC with only brief excursions above.
VL-EPU-3310 Reference Manual
41
Thermal Considerations
CPU temperature monitoring programs are available to run under both Windows and Linux.
Table 17 lists some of these hardware monitoring programs.
Table 17: Temperature Monitoring Programs
Program Type
Operating System
Windows
Core Temperature
http://www.alcpu.com/CoreTemp/
Hardware Monitor
http://www.cpuid.com/softwares/hwmonitor.html
Open Hardware Monitor
Linux
VL-EPU-3310 Reference Manual
Description
lm-sensors
http://openhardwaremonitor.org/
http://en.wikipedia.org/wiki/Lm_sensors
42
Thermal Considerations
Thermal Specifications, Restrictions, and Conditions
Graphical test data is in the section titled EPU-3310 Thermal Characterization, beginning on
page 44. Refer to that section for the details behind these specifications. These specifications
are the thermal limits for using the EPU-3310 with one of the defined thermal solutions.
Due to the unknown nature of the entire thermal system, or the performance requirement of the
application, VersaLogic cannot recommend a particular thermal solution. This information is
intended to provide guidance in the design of an overall thermal system solution.
Table 18: Absolute Minimum and Maximum Air Temperatures
-40 ° to +85 °C
With Heat Sink
(HDW-406)
-40 ° to +85 °C
With Heat Sink + Fan
(HDW-406 + HDW-411)
-40 ° to +85 °C
VL-EPU-3310-EBP
-40 ° to +85 °C
-40 ° to +85 °C
-40 ° to +85 °C
VL-EPU-3310-EDP
-40 ° to +85 °C
-40 ° to +85 °C
-40 ° to +85 °C
Board
With Heat Plate
VL-EPU-3310-EAP
Overall Restrictions and Conditions:

Ranges shown assume less than 90% CPU utilization.

Keep the maximum CPU core temperature below 100ºC.

The ambient air surrounding the EPU-3310 needs to be maintained at 85 ºC or below.
This includes the space between the two main boards as well as the space beneath an
installed miniPCIe expansion board. A recommended overall air flow of 100 linear feet
per minute (LFM) / 0.5 linear meters per second (LMS) addresses this requirement. If
this air flow is not provided, other means must be implemented to keep the adjacent air at
85 ºC or below.
Heat Plate Only Restrictions and Conditions:

The heat plate must be kept below 90 °C. This applies to a heat plate mounted directly
to another surface as well as when the HDW-408 heat pipe block is used.
Heat Sink Only Considerations:

At 85°C air temperature and 90% CPU utilization, there will be little if any thermal
margin to a CPU core temperature of 100 °C or the passive trip point (see test data). If
this is the use case, consider adding a fan or other additional air flow.
Heat Sink with Fan Considerations:


The heat sink and fan combination cools the CPU when it is running in high temperature
environments, or when the application software is heavily utilizing the CPU or video
circuitry. The fan assists in cooling the heat sink and provides additional air movement
within the system.
Integrator’s Note: The ambient air surrounding the EPU-3310 needs to be maintained
at 85 °C or below.
VL-EPU-3310 Reference Manual
43
Thermal Considerations
EPU-3310 Thermal Characterization
The EPU-3310 board underwent the following thermal characterization tests:

Test Scenario 1: Single core EPU-3310-EAP + HDW-406 heat sink

Test Scenario 2: Dual core EPU-3310-EBP + HDW-406 heat sink, with/without HDW-411
fan

Test Scenario 3: Quad core EPU-3310-EDP + HDW-406 heat sink, with/without HDW411 fan

Test Scenario 4: Quad core EPU-3310-EDP + HDW-406 heat sink + HDW-408 heat pipe
block, with/without HDW-411 fan
Table 19 describes the thermal testing setup for the board.
Table 19: EPU-3310 Thermal Testing Setup
EPU-3310 (Hawk) single/dual/quad core CPU with:
Hardware configuration
BIOS
Operating system














Test environment
HDW-406 (passive heat sink)
HDW-408 (heat pipe block)
HDW-411 (heat sink fan)
One VGA display device (connected through the LVDS interface)
One SATA hard disk drive
Two RS-232 ports in loopback configuration (Note)
One VersaLogic VL-MPEe-E3 Mini PCIe Gigabit Ethernet module
Two active Ethernet ports in loopback configuration
Two USB 2.0 ports in loopback configuration (Note)
USB keyboard and mouse (Note)
ID string: Hawk_3.1.0.334.r1.101
Passive thermal trip point setting: 105 ºC
Critical thermal trip point setting: 110 ºC
Microsoft Windows 7, SP1

Test software
4 GB of DDR3L DRAM (2 GB for the single- and dual-core board models)

Passmark BurnIn Test v7.1 b1017
- CPU utilization ~90%
Intel Thermal Analysis Tool (TAT) v5.0.1014
- Primarily used to read the CPU core temperature
Thermal chamber
Note: This device is connected through a VersaLogic VL-CBR-5016 paddleboard.
The test results reflect the test environment within the temperature chamber used. This particular
chamber has an airflow of about 0.5 linear meters per second (~100 linear feet per minute).
Thermal performance can be greatly enhanced by increasing the airflow beyond 0.5 linear meters
per second.
The system power dissipation is primarily dependent on the application program; that is, its use
of computing or I/O resources. The stress levels used in this testing are considered to be at the
top of the range of a typical user’s needs.
VL-EPU-3310 Reference Manual
44
Thermal Considerations
Test Results
Test Scenario 1: Single Core EPU-3310-EAP + HDW-406 Heat Sink
At 90% CPU utilization this single core unit operates within the CPU’s core temperature safe
operating range all the way up to +85 ºC using only a heat sink.
Figure 22. EPU-3310-EAP Single Core Temperature Relative to Ambient Temperature
VL-EPU-3310 Reference Manual
45
Thermal Considerations
Test Scenario 2: Dual Core EPU-3310-EBP + HDW-406 Heat Sink, with/without HDW-411
fan
As shown in Figure 23, running the test scenario with just the heat sink, the core temperature is
slightly above 100 ºC at maximum ambient temperature. This will be less in most applications
that require less than 90% CPU utilization. Adding the fan provides an additional 5-6 ºC of
margin. For long-term reliability, ensure the CPU cores are predominately running with their
temperatures below 100 ºC.
Figure 23. EPU-3310-EBP Dual Core Temperature Relative to Ambient Temperature
VL-EPU-3310 Reference Manual
46
Thermal Considerations
Test Scenario 3: Quad Core EPU-3310-EDP + HDW-406 Heat Sink, with/without HDW-411
Fan
As shown below, the quad core version of the Hawk will typically require a heat sink + fan for
operation above 80 ºC, at >90% CPU utilization.
Figure 24. EPU-3310-EDP Quad Core Temperature Relative to Ambient Temperature
VL-EPU-3310 Reference Manual
47
Thermal Considerations
Test Scenario 4: Quad Core EPU-3310-EDP + HDW-408 Heat Pipe Block
This data is supplied as a reference point for custom heat pipe solutions.
Table 20: Heat Pipe Additional Configuration Details
HDW-408 Heat Pipe Block mounted to the EPU-3310 heat plate
with:


Passive Solution Configuration
Three 4 mm x 225 mm copper / water heat pipes
The EPU-3310 is inside an environmental chamber at the
noted temperatures
Thermal solution at far end of heat pipes:
Active Configuration


HDW-408 heat pipe block attached to a HDW-406 heat sink

Same as above with an added HDW-411 fan on the HDW-406
heat sink
The thermal solution is outside of the environmental chamber
in free-air at an ambient temperature of 25 ºC
Figure 25. EPU-3310-EDP Quad Core with Heat Pipe - Temperature Relative to Ambient
VL-EPU-3310 Reference Manual
48
Thermal Considerations
Installing VersaLogic Thermal Solutions
The following thermal solution accessories are available from VersaLogic:

VL-HDW-401 Thermal Compound Paste - used to mount the heat sink to the heat plate

VL-HDW-406 Passive Heat Sink – mounts to standard product.

VL-HDW-411 Fan Assembly – mounts to HDW-406 Heat Sink.

VL-HDW-408 Heat Pipe Block – mounts to heat plate
Installing the VL-HDW-406 Passive Heat Sink
1. Apply the Arctic Silver† Thermal Compound

Apply the thermal compound to the heat plate using the method described on the Arctic
Silver website - http://www.arcticsilver.com/
2. Position the passive heat sink

Using Figure 26 as a guide, align the six mounting holes of the heat sink with the heat
plate.
3. Secure the passive heat sink to the heat plate

Affix the passive heat sink to the heat plate using six M2.5 pan head screws.

Using a torque screwdriver, tighten the screws to 4.0 inch-pounds.
Figure 26. Installing the Passive Heat Sink
VL-EPU-3310 Reference Manual
49
Thermal Considerations
Installing the VL-HDW-411 Heat Sink Fan
1. Position the fan assembly

Using Figure 27 as a guide, align the mounting holes of the heat sink fan with the four
holes in the passive heat sink. Position the fan so that its power cable can easily reach its
mate – an ATX-style four-pin +12 V power connector (or equivalent).
2. Secure the fan to the heat sink

Affix the heat sink fan using four M3 pan head screws.

Using a torque screwdriver, tighten the screws to 4.0 inch-pounds.
3. Connect power to the fan

Connect the fan’s power cable to a four-pin ATX style +12 V IDE drive power
connector.
Figure 27. Installing the Heat Sink Fan
VL-EPU-3310 Reference Manual
50
Thermal Considerations
Installing the VL-HDW-408 Heat Pipe Block
1. Apply the Arctic Silver Thermal Compound

Apply the thermal compound to the heat plate using the method described on the Arctic
Silver website - http://www.arcticsilver.com/. The 4 mm heat pipes will also typically
have the thermal compound applied to where the pipes contact both the heat plate and the
block.
2. Position the heat pipe block

Using Figure 28 as a guide, align the six mounting holes of the heat pipe block with the
heat plate. (Figure 28 shows the heat pipe block installed.)
3. Secure the heat pipe block to the heat plate

Affix the heat pipe block to the heat plate using six M2.5-0.45 x 10mm, Phillips, pan
head screws.

Using a torque screwdriver, tighten the screws to 4.0 inch-pounds.
Figure 28. Installing the Heat Pipe Block
VL-EPU-3310 Reference Manual
51
Appendix A – Mounting Options
A
Hawk Mounting Configuration
Figure 29 shows the heat plate mounting configuration for the Hawk.
Figure 29. Bolt-through Heat Plate
VL-EPU-3310 Reference Manual
52
Mounting Options
Mounting Plate Configurations
Figure 30 and Figure 31 show options for installing the Hawk with the VL-HDW-405 mounting
plate.
Figure 30. Mounting Plate Option 1
VL-EPU-3310 Reference Manual
53
Mounting Options
Figure 31. Mounting Plate Option 2
VL-EPU-3310 Reference Manual
54
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