Reference  Manual VL-EPM-V7
Reference
Manual
DOC. REV. 08/04/2015
VL-EPM-V7
PC/104-Plus Video Expansion
Module
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.
VL-EPM-V7 Reference Manual
ii
Product Release Notes
Rev 1.2 – Third release. Added PCI Slot information to Figure 5.
Rev 1.1 – Second release. Replaced VGA connector with a PicoClasp connector for enhanced
reliability.
Rev 1.0 – Commercial Release.
Support Page
The VL-EPM-V7 Support Page contains additional information and resources for this product including:
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Operating system information and links to software drivers
Data sheets and manufacturers’ links for chips used in this product
BIOS and PLD information and upgrades
Links to KnowledgeBase articles and product advisories
Knowledgebase
The VersaTech KnowledgeBase is a useful resource for resolving technical issues with your VersaLogic
product.
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. Provide the following information:


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
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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-EPM-V7 Reference Manual
iii
Contents
Introduction ...................................................................................................................1
Description ...........................................................................................................1
Technical Specifications ......................................................................................1
Block Diagrams....................................................................................................2
Cautions ..............................................................................................................4
Electrostatic Discharge .............................................................................4
Handling Care ..........................................................................................4
Earth Ground Requirement ......................................................................4
Physical Layout .............................................................................................................5
Dimensions and Mounting....................................................................................5
Hardware Assembly .................................................................................6
Stack Arrangement Example ....................................................................7
External Connectors ............................................................................................8
Connectors ...............................................................................................8
Connector Functions and Interface Cables............................................. 10
Jumper Summary ...................................................................................11
Interfaces and Connectors .........................................................................................12
Video .................................................................................................................12
VGA Interface.........................................................................................12
LVDS Flat Panel Display Connector .......................................................13
LVDS to VGA Adapter ............................................................................14
PCI Express Mini Card Socket ...........................................................................16
LED_WWAN#, LED_WLAN#, and LED_WPAN# Signals ...................... 17
Appendix A – References............................................................................................18
Appendix B – Technical Notes ...................................................................................19
Drivers ...............................................................................................................19
BIOS Configuration ............................................................................................19
VL-EPM-V7 Reference Manual
iv
Table of Contents
Figures
Figure 1. PCIe Module Block Diagram ........................................................................ 2
Figure 2. Video Module Block Diagram ....................................................................... 3
Figure 3. PCIe Module Dimensions and Mounting Holes ........................................ 5
Figure 4. Video Module Dimensions and Connectors .............................................. 6
Figure 5. Stack Arrangement Example ....................................................................... 7
Figure 6. VL-EPM-V7 Connectors – Top Side ........................................................... 8
Figure 7. VL-EPM-V7 Connectors – Bottom Side ..................................................... 9
Figure 8. Location of V2 Jumper Block ..................................................................... 11
Figure 9. VL-CBR-2014 LVDS to VGA Adapter Card ............................................. 14
Figure 10. LVDS Resolution Switch Positions ......................................................... 15
Figure 11. Location of D3 and D4 LEDs ................................................................... 17
Tables
Table 1:
Table 2:
Table 3:
Table 4:
Table 5:
Table 6:
Table 7:
Table 8:
Table 9:
Baseboard Connector Functions and Interface Cables .......................... 10
Video Mini Card Connector Functions and Interface Cables ................. 10
V2 Jumper Block Configuration Summary ................................................ 11
Maximum Display Resolutions .................................................................... 12
J1 VGA Connector Pinout ............................................................................ 12
LVDS Flat Panel Display Pinout ................................................................. 13
LVDS Startup Resolution Switch Settings................................................. 15
PCIe Mini Card Pinout .................................................................................. 16
Wi-Fi Mini Card LED Functions................................................................... 17
VL-EPM-V7 Reference Manual
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Introduction
1
Description
The VL-EPM-V7 expansion module provides VGA and LVDS display outputs for
PC/104-Plus embedded systems. A Mini PCIe expansion socket accommodates plug-in
modules such as A/D convertors, Ethernet, Wi-Fi modems, MIL-STD-1553, and other
devices. With a full industrial temperature rating and rugged construction, the VL-EPMV7 is an ideal solution for embedded video applications in harsh, mobile, and remote
environments.
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One VGA and one LVDS port
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Pass-through ISA interface
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One unpopulated PCI Express Mini
Card interface with PCIe signaling.
Compatible with Wi-Fi, MIL-STD-1553
bus, cell modem, Flash memory, and
other PCIe Mini Card devices
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Rugged, latching connectors
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Industrial temperature operation
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RoHS-compliant
Customization available
This I/O board is compatible with a variety of popular x86 operating systems including
Windows, Windows Embedded, and Linux.
The module features high-reliability design and construction. VL-EPM-V7 boards are
subjected to 100% functional testing and are backed by a limited five-year warranty.
Careful part sourcing and US-based technical support ensure the highest possible
quality, reliability, service, and product longevity for this exceptional module.
Technical Specifications
See the VL-EPM-V7 Data Sheet for complete specifications.
VL-EPM-V7 Reference Manual
1
Introduction
Block Diagrams
Figure 1 shows a block diagram of the VL-EPM-V7 expansion module. Figure 2 shows
a block diagram of the video module.
Figure 1. PCIe Module Block Diagram
VL-EPM-V7 Reference Manual
2
Introduction
Figure 2. Video Module Block Diagram
VL-EPM-V7 Reference Manual
3
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 anti-static 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 product.
HANDLING CARE
CAUTION:
Care must be taken when handling the board not to touch the exposed circuitry
with your fingers.
EARTH GROUND REQUIREMENT
CAUTION:
All mounting holes should be connected to earth ground (chassis ground). This
provides proper grounding for ESD and EMI purposes. In portable applications,
the mounting holes should be connected to the ground reference of the system
power supply.
.
VL-EPM-V7 Reference Manual
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Physical Layout
2
Dimensions and Mounting
The VL-EPM-V7 complies with PC/104 dimensional standards. Figure 3 provides
dimensions to help with pre-production planning and layout.
Figure 3. PCIe Module Dimensions and Mounting Holes
(Not to scale. All dimensions in inches.)
VL-EPM-V7 Reference Manual
5
Physical Layout
The video module complies with MiniPCIe Mini Card (full size) dimensional standards.
Figure 4 provides dimensions to help with pre-production planning and layout.
Figure 4. Video Module Dimensions and Connectors
(Not to scale. All dimensions in millimeters.)
HARDWARE ASSEMBLY
The VL-EPM-V7 uses both PC/104-Plus (PCI + ISA) connectors. The module can be
installed in PCI stack position 0-3. As shipped, the VL-EPM-7 is configured for position
0 (first on the stack adjacent to the CPU board). Make sure that jumper V2 matches the
chosen stack position (see Jumper Summary, page 11). PC/104 (ISA) modules must
not be positioned between the VL-EPM-V7 and any PC/104-Plus (PCI + ISA) modules
on the stack.
The entire assembly can sit on a table top or be secured to a base plate. When bolting
the unit down, make sure to secure all four standoffs to the mounting surface to prevent
circuit board flexing. Standoffs are secured to the top circuit board using four pan head
screws. Standoffs and screws are available as part number VL-HDW-105 (metric
thread) or VL-HDW-106 (English thread).
An extractor tool is available (part number VL-HDW-201) to separate modules from the
stack. Use caution when using the extractor tool not to damage any board components.
VL-EPM-V7 Reference Manual
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Physical Layout
STACK ARRANGEMENT EXAMPLE
Figure 5 shows the VL-EPM-V7 installed above the CPU board in the PC/104-Plus
stack. The module can be installed in slots 0-3. Jumper block V2 must be configured to
match the module's stack position. Refer to the section titled Jumper Summary on page
11 for more information.
Figure 5. Stack Arrangement Example
VL-EPM-V7 Reference Manual
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Physical Layout
External Connectors
CONNECTORS
Figure 6. VL-EPM-V7 Connectors – Top Side
VL-EPM-V7 Reference Manual
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Physical Layout
Figure 7. VL-EPM-V7 Connectors – Bottom Side
VL-EPM-V7 Reference Manual
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Physical Layout
CONNECTOR FUNCTIONS AND INTERFACE CABLES
Table 1 and Table 2 provide information about the function, mating connectors, and
transition cables for VL-EPM-V7 connectors.
Table 1: Baseboard Connector Functions and Interface Cables
Connector
J1
J2
J3
J4
Function
PCIe Mini Video
Card
PCIe Mini Card
PCI
ISA Pass-through
(VL-EPM-P2)
Mating Connector
Reference
—
Page 12
—
AMP 1375799-1
Page 16
—
AMP 1375795-2
—
Table 2: Video Mini Card Connector Functions and Interface Cables
Connector
Function
Mating Connector
Transition Cable
J1
VGA
Molex 501330-0500
pin/crimp
VL-CBR-1204
LVDS
Hirose DF19G-20S-1C
(housing),
Hirose DF19-2830SCFA
x19 (crimp socket)
VL-CBR-2015
(Note 1)
--or-VL-CBR-2016
(Note 2)
J2
Cable Description
12-inch VGA interface
cable, 12-pin PicoClasp
cable to 15-pin VGA
20-inch 18- or 24-bit
LVDS cable
Reference
Page 12
Page 13
Notes:
1. Attaches to optional VL-CBR-2014, LVDS to VGA adapter.
2. The CBR-2015 works with the LVDS to VGA adapter; the CBR-2016 does not.
VL-EPM-V7 Reference Manual
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Physical Layout
JUMPER SUMMARY
Table 3 describes the PCI slot assignment settings resulting from the configuration of
the V2 jumper block. Figure 8 shows the location of the V2 jumper block.
Table 3: V2 Jumper Block Configuration Summary
To configure the EPM-V7 for…
PCI Slot 0
PCI Slot 1
PCI Slot 2
PCI Slot 3
Set the jumpers this way…
2
4
1
3
2
4
1
3
2
4
1
3
2
4
1
3
Figure 8. Location of V2 Jumper Block
VL-EPM-V7 Reference Manual
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3
Interfaces and Connectors
Video
The Silicon Motion SM750 graphics controller has integrated high-performance 2D
video, analog and flat panel output capability, and 16 MB of embedded VRAM.
The controller supports a single display, two cloned displays, or two simultaneous
independent displays. Table 4 lists the maximum resolutions for each video channel
depending on the setup.
Table 4: Maximum Display Resolutions
Bits Per Pixel
Channels
Single
1920 x 1080
1280 x 1024
16 bpp
Cloned
1280 x 1024
1280 x 1024
Dual
1280 x 1024
1280 x 1024
Single
1440 x 960
1280 x 1024
Cloned
1280 x 1024
1280 x 1024
Dual
1280 x 720
800 x 600
32 bpp
Maximum CRT Resolution
Maximum LCD Resolution
VGA INTERFACE
The VGA interface is a standard analog output with a 12-pin PicoClasp connector. An
optional cable, part number VL-CBR-1204, is available to translate VGA connector J1
(on the video mini card) into a standard 15-pin D-Sub SVGA connector.
Table 5 lists the function of each pin.
Table 5: J1 VGA Connector Pinout
J1 Pin
Signal Name
Function
DB15 Pin
6
1
GND
Ground
2
VGA_RED
Red Video
1
3
GND
Ground
7
4
VGA_GREEN
Green Video
2
5
GND
Ground
8
6
VGA_BLUE
Blue Video
3
7
GND
Ground
5
8
VGA_HSYNC
Horizontal Sync
13
9
GND
Ground
10
10
VGA_VSYNC
Vertical Sync
14
11
CLK_VGA_DDC
DDC Serial Data Line Clock
15
12
VGA_DDC_DATA
DDC Serial Data Line
12
VL-EPM-V7 Reference Manual
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Interfaces and Connectors
LVDS FLAT PANEL DISPLAY CONNECTOR
The LVDS connector at location J2 (on the video mini card) is a 20-pin vertical Hirosestyle connector.
The flat panel interface can support 18 or 24 bits of RGB pixel data plus three bits of
timing control (HSYNC/VSYNC/DE) on the four differential data output pairs. The LVDS
interface supports a maximum resolution of 1280 x 1024.
Table 6: LVDS Flat Panel Display Pinout
J2 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
+3.3V (Protected)
20
+3.3V
+3.3V (Protected)
The +3.3V power provided to pins 19 and 20 of J2 is protected by a softwarecontrollable power switch (1 A, maximum.). This switch is controlled by the FP_VDDEN
signal from the flat panel interface in the video controller.
VL-EPM-V7 Reference Manual
13
Interfaces and Connectors
LVDS TO VGA ADAPTER
A VGA monitor can be attached to the J2 connector (on the video mini card) using the
VL-CBR-2014 LVDS to VGA adapter card. Use the following procedure to do this.
1. Plug the "Host End" of the LVDS cable VL-CBR-2015 into connector J2 of the
video mini card on the VL-EPM-V7.
2. Plug the LVDS cable into connector J1 of the VL-CBR-2014 adapter card as
shown in Figure 9.
3. Attach the VGA monitor data cable to connector CN1 of the VL-CBR-2014 adapter
cable.
Figure 9. VL-CBR-2014 LVDS to VGA Adapter Card
VL-EPM-V7 Reference Manual
14
Interfaces and Connectors
LVDS Resolution Switch
The two switches at location SW1 provide several startup 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 7 lists the available
startup resolutions.
Table 7: LVDS Startup Resolution Switch Settings
Switch 1
Off
On
Off
On
Switch 2
Off
Off
On
On
Resolution
640 x 480 (default)
800 x 600
1024 x 768
1280 x 1024
Figure 10 shows the location of the switches as well as their Off/On positions.
Figure 10. LVDS Resolution Switch Positions
VL-EPM-V7 Reference Manual
15
Interfaces and Connectors
PCI Express Mini Card Socket
The PCI Express Mini Card connector at J2 accepts a full-height PCI Express Mini Card.
The interface includes one PCIe x1 lane. The socket is compatible with 802.11a/b/g
Wi-Fi network adapters that operate in both the 2.4 and 5.0 GHz spectra, GPS radio
cards that enable time/date stamps and global location applications, 3G modems, and
solid-state drives (SSDs).
Table 8: PCIe Mini Card Pinout
Pin
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
Signal Name
WAKE#
NC
NC
CLKREQ#
GND
REFCLKREFCLK+
GND
NC
NC
GND
PERn0
PERp0
GND
GND
PETn0
PETp0
GND
GND
3.3VAUX
3.3VAUX
GND
NC
NC
NC
NC
Function
Wake
Not connected
Not connected
Reference clock request
Ground
Reference clock input –
Reference clock input +
Ground
Not connected
Not connected
Ground
Lane 0 receive –
Lane 0 receive +
Ground
Ground
PCIe lane 0 transmit –
PCIe lane 0 transmit +
Ground
Ground
3.3V auxiliary source
3.3V auxiliary source
Ground
Not connected
Not connected
Not connected
Not connected
Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
Signal Name
3.3VAUX
GND
1.5V
NC
NC
NC
NC
NC
GND
W_DISABLE#
PERST#
3.3VAUX
GND
1.5V
NC
NC
GND
NC
NC
GND
LED_WWAN#
LED_WLAN#
LED_WPAN#
1.5V
GND
3.3VAUX
Function
3.3V auxiliary source
Ground
1.5V power
Not connected
Not connected
Not connected
Not connected
Not connected
Ground
Wireless disable
Card reset
3.3V auxiliary source
Ground
1.5V power
Not connected
Not connected
Ground
Not connected
Not connected
Ground
Wireless WAN LED
Wireless LAN LED
Wireless PAN LED
1.5V power
Ground
3.3V auxiliary source
To secure a Mini Card to the module, use two screws (M2.5 x 6 mm, Philips, pan head,
4 mm, stainless) and two washers (M2.5, split lock, OD 4.4 mm, stainless). Nylon
screws are available in 10-count packages as part number VL-HDW-108.
VL-EPM-V7 Reference Manual
16
Interfaces and Connectors
LED_WWAN#, LED_WLAN#, AND LED_WPAN# SIGNALS
The LED status indicator signals enable wireless communications add-in cards to
provide status via the LEDs at positions D3 and D4 on the module. The behavior of the
LEDs is determined by the add-in card manufacturer. Table 9 shows the routing of the
D3 and D4 LEDs to the Mini Card LED status signals. Figure 11 shows the location of
the D3 and D4 LEDs.
Table 9: Wi-Fi Mini Card LED Functions
LED
Color
J2 Pin
Function
D3
Green
–
Power status indicator
D3
Yellow
42
Defined by Mini Card device LED_WWAN# implementation
D4
Green
44
Defined by Mini Card device LED_WLAN# implementation
D4
Yellow
46
Defined by Mini Card device LED_WPAN# implementation
Figure 11. Location of D3 and D4 LEDs
VL-EPM-V7 Reference Manual
17
Appendix A – References
PC/104 Interface
PC/104 Specification
PC/104-Plus Interface
PC/104-Plus Specification
VL-EPM-V7 Reference Manual
A
18
Appendix B – Technical Notes
B
Drivers
Linux and Windows drivers for the video module are available for download on the
VL-EPM-V7 Product Support Page.
BIOS Configuration
The VL-EPM-V7 can be installed on CPU boards with no graphics controller or with an
on-board graphics controller (either in a separate chip or integrated into the processor).
In cases where an on-board graphics controller is to be used at the same time as the
VL-EPM-V7, it is typically necessary to configure the BIOS of the CPU board so that it
recognizes the on-board controller as the primary graphics device. This is because
when the CPU board detects the presence of an add-on graphics controller, the onboard controller is usually not fully initialized. Identifying the on-board device as the
primary graphics controller resolves this issue.
See the BIOS or CMOS Setup Reference article in the VersaTech KnowledgeBase for
your CPU board to determine how to configure the primary graphics controller in the
BIOS, or contact VersaLogic Customer Support.
VL-EPM-V7 Reference Manual
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