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Dell Precision Tower 7910
Owner's Manual
Regulatory Model: D02X
Regulatory Type: D02X003
Notes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your computer.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell ™ and the Dell logo are trademarks of Dell Inc. in the United States and/or other jurisdictions. All other marks and names mentioned herein may be trademarks of their respective companies.
2014–09
Rev. A00
Contents
Before Working Inside Your Computer
................................................................................................ 6
After Working Inside Your Computer
2 Removing and Installing Components............................................................. 9
Removing the Power Supply Unit (PSU)
............................................................................................. 12
Installing the Power Supply Unit (PSU)
............................................................................................... 13
Installing the Intrusion Switch
Removing the Slimline Optical Drive
................................................................................................. 20
Installing the Slimline Optical Drive
Removing the Coin-Cell Battery
Installing the Coin-Cell Battery
Removing the PCIe Card Retention
Installing the PCIe card retention
Removing the System-Fan Assembly
.................................................................................................29
Installing the System-Fan Assembly
Removing the I/O Panel and the USB 3.0 Ports
................................................................................ 34
Installing the I/O Panel and the USB 3.0 Ports
.................................................................................. 36
Removing the 5.25-inch Optical Drive
...............................................................................................41
Installing the 5.25-inch Optical Drive
.................................................................................................42
Removing the HDD Thermal Sensor
..................................................................................................42
Installing the HDD Thermal Sensor
Removing the Power Supply Unit (PSU) Card
....................................................................................47
Installing the Power Supply Unit (PSU) Card
..................................................................................... 48
Assigning a System Password and Setup Password
.................................................................... 65
Deleting or Changing an Existing System and/or Setup Password
.............................................65
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics
........................................................... 67
Errors That Halt Your Computer Completely
.............................................................................. 70
Errors That Do Not Halt Your Computer
...................................................................................... 71
Errors That Soft Halt Your Computer
............................................................................................71
6
1
Working on Your Computer
Before Working Inside Your Computer
Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist:
• You have read the safety information that shipped with your computer.
• A component can be replaced or--if purchased separately--installed by performing the removal procedure in reverse order.
WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source.
WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance
Homepage at www.dell.com/regulatory_compliance
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as a connector on the back of the computer.
CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins.
CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.
NOTE: The color of your computer and certain components may appear differently than shown in this document.
To avoid damaging your computer, perform the following steps before you begin working inside the computer.
1.
Ensure that your work surface is flat and clean to prevent the computer cover from being scratched.
2. Turn off your computer (see Turning Off Your Computer).
CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
3. Disconnect all network cables from the computer.
4. Disconnect your computer and all attached devices from their electrical outlets.
5. Press and hold the power button while the computer is unplugged to ground the system board.
6. Remove the cover.
CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface to dissipate static electricity, which could harm internal components.
Turning Off Your Computer
CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer.
1.
Shut down the operating system:
• In Windows 8.1:
– Using a touch-enabled device: a.
Swipe in from the right edge of the screen, opening the Charms menu and select
Settings.
b.
Select the and then select Shut down.
Or
* On the Home screen, touch the and then select Shut down.
– Using a mouse: a.
Point to upper-right corner of the screen and click Settings. b.
Click the and select Shut down.
Or
* On the Home screen, click and then select Shut down.
• In Windows 7:
1.
Click Start .
2.
Click Shut Down.
or
1.
Click Start .
7
8
2.
Click the arrow in the lower-right corner of the Start menu as shown below, and then click
Shut Down .
2. Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 6 seconds to turn them off.
After Working Inside Your Computer
After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer.
1.
Replace the cover.
CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer.
2. Connect any telephone or network cables to your computer.
3. Connect your computer and all attached devices to their electrical outlets.
4. Turn on your computer.
5. If required, verify that the computer works correctly by running the Dell Diagnostics.
Removing and Installing Components
This section provides detailed information on how to remove or install the components from your computer.
2
Recommended Tools
The procedures in this document may require the following tools:
• Small slotted-tip screwdriver
• #2 Phillips screwdriver
• #1 Phillips screwdriver
• Small plastic scribe
For how-to videos, documentation, and troubleshooting solutions, scan this QR code, or click here: http://www.Dell.com/QRL/Workstation/T7910
System Overview
Figure 1. Front and Back View of T7910 Computer
9
1.
power button/power light
2.
USB 3.0 connector
3.
optical drive (optional)
4.
optical-drive eject button (optional)
5.
USB 2.0 connectors
6.
hard-drive activity light
7.
microphone connector
8.
headphone connector
9.
optical-drive eject button (optional)
10. optical drive (optional)
11. line-in/microphone connector
12. serial connector
13. power supply unit (PSU) release latch
14. power cable connector
15. hard-drive access cover release latch
16. USB 3.0 connectors
17. USB 2.0 connectors
18. expansion card slots
19. security cable slot
20. padlock ring
21. line-out connector
22. network connector
23. PS/2 Keyboard connector
24. PS/2 Mouse connector
25. active expansion card slots
26. mechanical slot
10
Figure 2. Inside View of T7910 Computer
5.
7.
1.
3.
processor heatsink with integrated fan optical drive system board intrusion switch
2.
4.
6.
memory shroud front bezel graphics card
11
Figure 3. Inside View of T7910 Computer
1.
system fans
2.
speaker
3.
PCI retention latch
4.
power-supply unit
5.
PCI retention latch
Removing the Power Supply Unit (PSU)
1.
Follow the procedures in Before Working Inside Your Computer
.
2. If the PSU is locked, remove the screw to unlock the PSU. For more information, see the
.
3. Press and hold the blue tab, then pull the power supply unit away from the computer.
12
Installing the Power Supply Unit (PSU)
1.
Hold the PSU handle and push the unit into its compartment until it clicks into place.
2. Follow the procedures in After Working Inside Your Computer .
Removing the Front Cover
NOTE: The front cover can be secured using the front panel-chassis lock. For more information the
front-panel chassis lock, see Additional Information — Front Panel Chassis Lock .
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Press down on the front cover release latch.
3. Keep the latch pushed down, and pull the front cover in an outward direction to remove it from the computer.
13
Installing the Front Cover
1.
Place the front cover on the computer.
2. Press down on the front cover till it clicks into place.
3. Follow the procedures in After Working Inside Your Computer .
Removing the Hard Drive
1.
Follow the procedures in Before Working Inside Your Computer .
2. Remove the front cover.
3. Pull the clasp of the hard-drive bracket in an outward direction.
4. Slide the hard-drive bracket in an outward direction to remove it from the computer.
14
5. If a second hard drive is installed, Pull the clasp of the second hard-drive bracket in an outward direction.
6. Slide the second hard-drive bracket in an outward direction to remove it from the computer.
15
7. Flex the hard-drive bracket on both sides to loosen the hard drive.
8. Lift the hard drive in an upward direction to remove it from the hard-drive bracket.
9. If a 2.5 inch hard drive is installed , Push the retention clips in an outward direction and lift up the drive to remove it from the 3.5 inch hard-drive caddy.
16
Installing the Hard Drive
1.
If a 2.5–inch or 3.5–inch hard drive is installed, place the hard drive to the hard-drive caddy until it snaps to its place.
2. Flex the hard-drive bracket and then insert the hard drive into the bracket.
3. Slide the hard-drive bracket into its compartment and close the hard-drive bracket clasp.
4. Install the front cover.
5. Follow the procedures in After Working Inside Your Computer .
Removing the Left Cover
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Pull up the cover release latch on the side of the computer.
3. Lift the cover upward to a 45–degree angle and remove it from the computer.
17
Installing the Left Cover
1.
Place the computer cover on the chassis.
2. Press down on the cover till it clicks into place.
3. Follow the procedures in After Working Inside Your Computer .
Removing the Intrusion Switch
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. memory shroud
3. Perform the following steps as shown in the illustration: a. Press the intrusion switch release latch and disconnect the connector from the system board
[1,2].
b. Unroute the intrusion switch cable from the chassis [3].
c. Push the intrusion switch downwards and remove it from the computer [4].
18
Installing the Intrusion Switch
1.
Install the intrusion switch into its place holder on the chassis.
2. Route the intrusion-switch cable around the chassis clips and install the connector to the system board.
3. Install: a. memory shroud b. left cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the PCI Card
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove the left cover.
3. Open the plastic latch fastening the PCI card in its slot.
19
4. Press down the latch and pull the PCI card away from the computer.
Installing the PCI Card
1.
Push the expansion card into the card slot and secure the latch.
2. Install the plastic latch that secures the PCI card to the card slot.
3. Install the left cover.
4. Follow the procedures in After Working Inside Your Computer .
Removing the Slimline Optical Drive
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove the left cover.
3. Disconnect the data cable from the back of the optical drive.
20
4. Disconnect the power cable from the back of the optical drive.
5. Pull up the blue release tab to release the latches that secure the optical drive.
21
6. Slide the optical drive out of its compartment and lift it up to remove it from the computer.
7. Flex the optical-drive bracket latches in an outward direction to loosen the optical drive from the bracket.
8. Lift the optical drive and remove it from the bracket.
22
Installing the Slimline Optical Drive
1.
Slide the optical drive into its compartment and ensure it is seated firmly.
2. Connect the power cable and the data cable to the back of the optical drive.
3. Install the left cover.
4. Follow the procedures in After Working Inside Your Computer .
Removing the Memory Shroud
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. optical drive
3. Press down on the blue retaining tabs on each side of the memory shroud and lift the memory shroud upwards.
4. Press down on the release latch on the other side of the memory shroud module to release it from the chassis.
23
5. Press down on the release latch on the memory shroud base and lift it upwards to remove it from the computer.
6. Repeat the steps to remove the second memory shroud module and memory shroud base from the computer.
Installing the Memory Shroud
1.
Install the memory shroud base inside the computer chassis.
2. Mount the memory shroud module on the base and press downwards until it clicks into place.
3. Install: a. optical drive b. left cover
4. Follow the procedures in After Working Inside Your Computer .
24
Removing the Memory
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. optical drive c. memory shroud
3. Press down on the memory-securing clips on each side of the memory module, and lift the memory module upwards to remove it from the computer.
NOTE: Tilting of DIMM during removal can cause damage to the DIMM.
Installing the Memory
1.
Insert the memory module into the memory socket.
2. Press down on the memory module until the securing clips secure the memory in place.
NOTE: Tilting of DIMM during insertion can cause damage to the DIMM.
3. Install: a. memory shroud b. optical drive c. left cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the Coin-Cell Battery
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. PCIe card
3. Press the release latch away from the battery to allow the battery to pop-up from the socket. Lift the coin-cell battery out of the computer.
25
Installing the Coin-Cell Battery
1.
Place the coin-cell battery into the slot on the system board.
2. Press the coin-cell battery downward until the release latch springs back into place and secures it.
3. Install: a. PCIe card b. left cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the Heatsink
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. memory shroud (center)
3. Disconnect the heatsink fan cable from the system board.
4. Remove the captive screws that secure the heatsink.
26
5. Lift up the heatsink and remove it from the computer.
Installing the Heatsink
1.
Place the heatsink inside the computer.
2. Tighten the captive screws to secure the heatsink to the system board.
NOTE: Misalignment of screws can damage the system.
3. Connect the heatsink cable to the system board.
4. Install: a. memory shroud (center) b. left cover
5. Follow the procedures in After Working Inside Your Computer .
27
Removing the HeatSink Fan
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. heatsink c. memory shroud (center)
3. Push the grommets outward to release the heatsink fan from the assembly.
4. Remove the heatsink fan from the heatsink assembly.
Installing the Heatsink Fan
1.
Slide the heatsink fan into heatsink assembly.
2. Plug in the grommets to secure the heatsink fan to the heatsink assembly.
3. Install: a. heatsink b. memory shroud (center) c. cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the PCIe Card Retention
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove the computer cover.
3. Remove the PCIe cards.
28
4. Perform the following steps as shown in the illustration: a. Unthread the cable from the latch [1].
b. Press and slide the latch out to release the PCIe card retention [2].
c. Lift and remove the PCIe card retention out of the computer [3].
Installing the PCIe card retention
1.
Place the PCIe card retention in its slot and insert the latches.
2. Route the cables through latches.
3. Install the PCIe cards.
4. Install the computer cover.
5. Follow the procedures in After Working Inside Your Computer .
Removing the System-Fan Assembly
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. optical drive c. PCIe card retention d. memory shroud
3. Remove the screws that secure the optical-drive cage.
29
4. Push the PCIe card retention in the direction indicated to unhinge it from the system-fan module.
5. Lift the PCIe card retention in an upward direction to remove it from the computer.
6. Remove the graphics-card cable from the latch.
30
7. Route the system-fan cable through the opening in the system-fan module.
8. Perform the following steps as shown in the illustration: a. Disconnect the system-fan and internal speaker cable connectors from the system board [1,2].
31
9. Perform the following steps as shown in the illustration: a. Remove the screws that secure the system-fan assembly to the chassis [1].
b. Lift and remove the system-fan assembly from the chassis [2].
32
10. Insert the fan cable through the opening to release the system-fan module.
11. Remove the grommets that secure the system fan , lift up the fan and remove it from the fan assembly.
33
Installing the System-Fan Assembly
1.
Tighten the grommets that secure the system fan to the system-fan module.
2. Connect the system-fan cable to the system-fan module.
3. Install the screws that secure the system-fan module to the chassis.
4. Route the system-fan cables out of the opening in the system-fan module in the direction of the system board.
5. Connect the system-fan and internal speaker cables to their connectors on the system board.
6. Slide the memory shroud retention modules downwards into the retention tabs until they are secured to the system-fan module.
7. Install the screws that secure the optical-drive bracket to the chassis.
8. Install: a. memory shroud b. PCIe card retention c. optical drive d. left cover
9. Follow the procedures in After Working Inside Your Computer .
Removing the I/O Panel and the USB 3.0 Ports
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. front bezel b. left cover c. front cover
3. Disconnect all the cables from the I/O panel.
34
4. Remove the screws that secure the I/O panel assembly to the computer chassis.
5. Pull the I/O panel assembly in a direction opposite to the computer to release its edge from the chassis clip.
6. Slide the opposite edge of the I/O panel assembly outward to disengage the I/O assembly from the chassis.
35
7. Remove the screws that secure the USB 3.0 module to the I/O panel assembly and remove it from the computer.
8. Remove the screws that secure the I/O panel and remove it from the I/O panel assembly.
Installing the I/O Panel and the USB 3.0 Ports
1.
Place the I/O panel and install the screws to secure it in place.
2. Place the USB 3.0 module on the I/O panel assembly and install the screws to secure it in place.
3. Re-seat the I/O panel assembly on the chassis and secure it to the chassis clips on both sides.
4. Install the screws that secure the I/O panel assembly to the chassis.
5. Connect all the cables to the I/O panel.
36
6. Install: a. front bezel b. front cover c. left cover
7. Follow the procedures in After Working Inside Your Computer .
Removing the Power Switch
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. front cover c. front bezel d. I/O panel
3. Perform the following steps: a. Disconnect the power switch cable from the I/O panel board.
b. Press down on the power switch module on the sides to release the power switch from its compartment [1,2].
4. Remove the power switch from the computer.
37
Installing the Power Switch
1.
Connect the power-switch cable to the I/O panel board.
2. Route the power-switch module through the opening on the front panel.
3. Press the retention tab to secure the power switch in place.
4. Install: a. I/O panel b. front bezel c. front cover d. left cover
5. Follow the procedures in After Working Inside Your Computer .
Removing the Speaker
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove the left cover.
3. Disconnect the speaker cable from the system board and unroute it from the securing clip on the chassis.
38
4. Perform the following steps: a. Press the speaker latch on both sides to release the speaker from the chassis.
b. Lift to remove the speaker from the computer.
c. Remove the speaker cable through the opening.
Installing the Speaker
1.
Install the speaker and route the speaker cable through the chassis.
2. Connect the speaker cable to the system board.
3. Install the left cover.
4. Follow the procedures in After Working Inside Your Computer .
39
Removing the Right Cover
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove the screws that secure the right cover to the chassis.
3. Slide the right cover in the direction indicated to remove it from the computer.
4. Lift the right cover at a 45–degree and remove it from the computer.
40
Figure 4.
Installing the Right Cover
1.
Place the right cover on the computer.
2. Install the screws that secure the right cover to the computer.
3. Follow the procedures in After Working Inside Your Computer .
Removing the 5.25-inch Optical Drive
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. right cover
3. Disconnect the data and power cables from the back of the optical drive.
4. Press the release latch and slide the optical drive outward to release it from the drive bay [1, 2].
41
5. Remove the screws from the optical drive and remove the bracket.
Installing the 5.25-inch Optical Drive
NOTE: If the sytem is not shipped with optical drive, remove the 5.25-inch optical drive cover from the front cover to install the Optical drive.
1.
Place the optical drive on the bracket and tighten the screws to secure the optical drive.
2. Slide the optical drive into the drive bay.
3. Connect the power and data cables to the optical drive.
4. Install: a. right cover
5. Follow the procedures in After Working Inside Your Computer .
Removing the HDD Thermal Sensor
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover b. right cover
3. Perform the following steps: a. Disconnect the HDD thermal-sensor cable from the system board [1].
b. Unroute the HDD thermal-sensor cable through the chassis opening [2].
42
4. Unroute the HDD thermal-sensor cable from its securing clips on the chassis.
5. Open the latch securing the HDD thermal sensor and remove it from the computer.
43
Installing the HDD Thermal Sensor
1.
Install the HDD thermal-sensor cable on the system board.
2. Route the HDD thermal-sensor cable around the computer chassis.
3. Fasten the latch that secures the HDD thermal-sensor cable.
4. Install: a. right cover b. left cover
5. Follow the procedures in After Working Inside Your Computer .
Removing the Processor
1.
Follow the procedures in Before Working Inside Your Computer .
2. Remove: a. left cover b. heatsink
3. To remove the processor:
NOTE: The processor cover is secured by two levers. They have icons that indicate which lever needs to be opened first and which lever closes first.
a. Press down on the first lever holding the processor cover in place and release it sideways from its retention hook [1].
b. Repeat step 'a' to release the second lever from its retention hook [2].
c. Lift up the lever from its retention hook [3].
d. Press down on the first lever [4].
e. Lift up and remove the processor cover [5].
f. Lift the processor to remove it from the socket and place it in antistatic package [6].
44
NOTE: Damaging pins during removal of the processor can cause damage to the processor.
4. Repeat the above steps to remove the second processor (if available) from the computer.
To verify if your computer has dual processor slots, see the System Board components.
Installing the Processor
1.
Place the processor in its socket.
2. Replace the processor cover.
NOTE: The processor cover is secured by two levers. They have icons that indicate which lever needs to be opened first and which lever closes first.
3. Slide the first lever sideways into the retention hook to secure the processor.
4. Repeat step '3' to slide the second lever into the retention hook.
5. Install: a. heatsink b. left cover
6. Follow the procedures in After Working Inside Your Computer .
Removing the Hard-Drive Fan
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. left cover
45
b. right cover
3. Disconnect the hard-drive fan cable from the system board.
4. Route the cable from below the computer chassis as indicated.
5. Remove the screws that secure the hard-drive fan to the computer chassis and remove the fan from the computer.
46
Installing the Hard-Drive Fan
1.
Install the screws that secure the hard-drive fan to the system chassis.
2. Route the hard-drive fan cable through the chassis and connect it to its slot on the system board.
3. Install: a. left cover b. right cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the Power Supply Unit (PSU) Card
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove: a. right cover b. PSU
3. a. Disconnect all the cables connected to the PSU card [1].
b. Remove the screws that secure the PSU card to the chassis [2].
c. Lift and remove the PSU card from the computer [3].
47
Installing the Power Supply Unit (PSU) Card
1.
Install the screws that secure the PSU card to the chassis.
2. Connect all the cables to the PSU card.
3. Install: a. PSU b. right cover
4. Follow the procedures in After Working Inside Your Computer .
Removing the System Board
1.
Follow the procedures in Before Working Inside Your Computer
.
2. Remove the: a. left cover b. optical drive c. optical drive holder d. memory shroud base (s) e. memory shrouds f. heat sink g. PCIe card retention h. PCI card(s) i. memory module (s) j. processor
3. Disconnect all the connectors from the system board.
48
4. Remove the screws that secure the system board to the chassis.
5. Perform the following steps as shown in the illustration: a. Slide the system board towards front direction [1].
b. Tilt the system board [2].
49
6. Lift the system board in an upward direction and remove it from the computer.
Installing the System Board
1.
Align the system board to the port connectors on the back of the chassis and place the system board in the chassis.
2. Tighten the screws that secure the system board to the chassis.
3. Connect the connectors to the system board.
4. Install the: a. processor b. memory module(s) c. PCIe card retention d. PCI card(s) e. heat sink f. memory shroud base
50
g. memory shrouds h. optical drive holder i. optical drive j. left cover
5. Follow the procedures in After Working Inside Your Computer .
System Board Components
The following image displays the system board components .
1.
3.
5.
7.
PCI card slot (slot 5)
PCI Express 2.0 x16 (x4 electrically) card slot
(slot 3)
PCI Express 3.0 x16 (x4 electrically) card slot
(slot 1)
DIMM slots (available only when optional second processor is installed)
9.
CPU2 fan connector
11.
DIMM slots (available only when optional second processor is installed)
13.
coin-cell battery
2.
4.
6.
8.
PCI Express 3.0 x16 card slot (slot 4)
PCI Express 3.0 x16 card slot (slot 2) intrusion-switch connector processor socket
10.
front-panel audio connector
12.
PCI Express 3.0 x16 slots (available only when optional second processor is installed)
(CPU2_SLOT1 and CPU2_SLOT2)
14.
HDD3 fan connector
51
15.
CPU power connector
17.
CPU power connector
19.
DIMM slots
21.
DIMM slots
23.
thunderbolt side band connector
25.
system fan connector
27.
integrated SAS0 connector
29.
main power connector
31.
password jumper
33.
SATA connectors
35.
CPU1 fan connector
37.
thermal sensor connector
39.
HDD1 fan connector
16.
HDD2 fan connector
18.
system fan connector
20.
processor socket
22.
remote power connector
24.
system fan connector
26.
internal speaker connector
28.
integrated SAS1 connector
30.
CMOS Clear Jumper
32.
hard-drive fan connector
34.
USB 3.0 connector for front panel
36.
front panel connector
38.
internal USB 2.0 connector
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Additional Information
This section provides information for the additional features that are part of your computer.
Memory Module Guidelines
To ensure optimal performance of your computer, observe the following general guidelines when configuring your system memory:
• Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must have identical configurations.
• Memory modules must be installed beginning with the first socket.
NOTE: Registered DIMMS (R-DIMMs) and Load Reduced DIMMS (LR-DIMMs) cannot be mixed.
• If memory modules with different speeds are installed, they operate at the speed of the slowest installed memory modules.
NOTE: If all DIMMs are 2133, the CPU ordered may run the memory at a slower speed.
3
Front Panel Chassis Lock
The front panel chassis lock allows you to lock the front panel. The lock is located inside the chassis. It consists of two buttons:
• orange button — press this button to lock the front panel.
• green button — press this button to unlock the front panel.
NOTE: To lock or unlock the front panel chassis, always ensure that the left cover of the chassis is removed. For information on removing the left cover, see Removing Left Cover.
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Power Supply Unit (PSU) Lock
The PSU lock prevents the removal of the PSU from the chassis.
NOTE: To lock or unlock the PSU, always ensure that the cover of the chassis is removed.
To secure the PSU, remove the screw from the unlock screw location and tighten the screw to the lock location. Similarly, to unlock the PSU, remove the screw from the lock screw location and tighten the screw to the unlock screw location.
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4
System Setup
System Setup enables you to manage your computer hardware and specify BIOS
‐level options. From the
System Setup, you can:
• Change the NVRAM settings after you add or remove hardware
• View the system hardware configuration
• Enable or disable integrated devices
• Set performance and power management thresholds
• Manage your computer security
Boot Sequence
Boot Sequence allows you to bypass the System Setup
‐defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self Test (POST), when the
Dell logo appears, you can:
• Access System Setup by pressing <F2> key
• Bring up the one-time boot menu by pressing <F12> key
The one-time boot menu displays the devices that you can boot from including the diagnostic option.
The boot-menu options are:
• Removable Drive (if available)
• STXXXX Drive
NOTE: XXX denotes the SATA drive number.
• Optical Drive
• Diagnostics
NOTE: Choosing Diagnostics, will display the ePSA diagnostics screen.
The boot sequence screen also displays the option to access the System Setup screen.
Navigation Keys
The following table displays the system setup navigation keys.
NOTE: For most of the system setup options, changes that you make are recorded but do not take effect until you re-start the system.
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Table 1. Navigation Keys
Keys
Up arrow
Down arrow
<Enter>
Spacebar
<Tab>
Navigation
Moves to the previous field.
Moves to the next field.
Allows you to select a value in the selected field (if applicable) or follow the link in the field.
Expands or collapses a drop
‐down list, if applicable.
Moves to the next focus area.
NOTE: For the standard graphics browser only.
<Esc>
<F1>
Moves to the previous page till you view the main screen. Pressing <Esc> in the main screen displays a message that prompts you to save any unsaved changes and restarts the system.
Displays the System Setup help file.
System Setup Options
NOTE: Depending on your computer and its installed devices, the items listed in this section may or may not appear.
Table 2. General
Option
System Information
Description
This section lists the primary hardware features of your computer.
• System Information
• Memory Configuration
• Processor Information
• Device Information
• PCI Information
Boot Sequence
Boot List Option
Advanced Boot Options
Allows you to change the order in which the computer attempts to find an operating system.
• Diskette Drive
• USB Storage Device
• CD/DVD/CD-RW Drive
• Onboard NIC
• Internal HDD
Allows you to change the boot list option.
• Legacy
• UEFI
Allows you to Enable Legacy Option
ROMs
56
Option
Date/Time
Table 3. System Configuration
Option
Integrated NIC
Integrated NIC 2
Serial Port
SATA Operation
Tower 7910
Description
• Enable Legacy Option ROMs
(Default)
Allows you to set the date and time. The changes to the system date and time takes effect immediately.
Description
Allows you to configure the integrated network controller. The options are:
• Enable UEFI Network Stack
• Disabled
NOTE: You can use the Disabled option, only if Active
Management Technology (AMT) option is disabled.
• Enabled
• Enabled w/PXE (Default)
Allows you to configure the integrated network controller. The options are:
• Enabled (Default)
• Enabled w/PXE
NOTE: This feature is supported only on Tower 7910.
Identifies and defines the serial port settings. You can set the serial port to:
• Disabled
• COM1 (Default)
• COM2
• COM3
• COM4
NOTE: The operating system may allocate resources even if the setting is disabled.
Allows you to configure the internal SATA hard-drive controller.
The options are:
• Disabled
• ATA
• AHCI (Default)
NOTE: SATA is configured to support RAID mode. No SATA operation support in Tower 7910.
Drives
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Option
Tower 7910
SMART Reporting
USB Configuration
SAS RAID Controller (Tower 7910 only)
HDD Fans
Audio
Memory Map IO above 4GB
Thunderbolt
Miscellaneous devices
PCI MMIO Space Size
Description
• SATA–0
• SATA–1
Default Setting: All drives are enabled.
NOTE: If the hard drives are connected to a RAID controller card, the hard drives will display {none} in all the fields. The hard drives can be seen in the RAID controller card BIOS.
This field controls if the hard drive errors for the integrated drives are reported during system startup. This technology is part of the SMART (Self Monitoring Analysis and Reporting
Technology) specification.
• Enable SMART Reporting - This option is disabled by default.
Allows you to enable or disable the internal USB configuration.
The options are:
• Enable Boot Support
• Enable Front USB Ports
• Enable internal USB ports
• Enable rear USB Ports
Allows you to control the operation of the integrated SAS RAID HDD controller.
• Enabled (Default)
• Disabled.
Allows you to control the HDD fans.
Default Setting: depends on the system configuration
Allows you enable or disable the audio feature.
• Enable Audio (Default)
Allows you enable or disable Memory
Map IO above 4GB.
• Memory Map IO above 4GB - This option is disabled by default.
Allows you to enable or disable Thunderbolt device support capability.
• Enabled
• Disabled (Default)
Allows you to enable or disable various on board devices.
• Enable PCI Slot
This field controls the balance of 32bit memory available between PCI
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Option Description
(memory-mapped IO) and the operating system.
• Small (Default)
• Large
Table 4. Video
Option
Primary Video Slot
Description
Allows you to configure primary boot video device. The options are:
• Auto (Default)
• SLOT 1
• SLOT 2: VGA Compatible
• SLOT 3
• SLOT 4
• SLOT 5
• SLOT 6 ( Tower 5810 and Tower
7810 only)
• SLOT1_CPU2: VGA Compatible
(Tower 7910 only)
• SLOT2_CPU2 (Tower 7910 only)
Table 5. Security
Option
Strong Password
Password
Configuration
Password Bypass
Password Change
TPM Security
Computrace (R)
Description
Allows you to enforce the option to always set strong passwords.
Default Setting: Enable Strong Password is not selected.
You can define the length of your password. Min = 4 , Max = 32
Allows you to enable or disable the permission to bypass the System password, when it is set. The options are:
• Disabled (Default)
• Reboot bypass
Allows you to enable the disable permission to the System passwords when the administrator password is set.
Default Setting: Allow Non-Admin Password Changes is selected
Allows you to enable the Trusted Platform Module (TPM) during POST.
Default Setting: The option is disabled.
Allows you to activate or disable the optional Computrace software. The options are:
• Deactivate (Default)
• Disable
• Activate
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Option
CPU XD Support
OROM Keyboard
Access
Description
Allows you to enable the Execute Disable mode of the processor.
• Enable CPU XD Support (Default)
Allows you to determine whether users are able to enter Option ROM
Configuration screens via hotkeys during boot. The options are:
• Enable (Default)
• One Time Enable
• Disable
Admin Setup Lockout Allows you to prevent users from entering Setup when an administrator password is set.
• Enable Admin Setup Lockout
Default Setting: The option is disabled.
Table 6. Secure Boot
Option
Secure Boot Enable
Expert Key Management
Description
Allows you to enable or disable the
Secure Boot Feature. The options are:
• Disabled (Default)
• Enabled
Allows you to enable or disable Custom
Mode Key Management.
• Disabled (Default)
Table 7. Performance
Option
Multi Core Support
Description
This field specifies whether the processor will have one or all cores enabled. The performance of some applications will improve with the additional cores. This option is enabled by default. Allows you to enable or disable multi-core support for the processor. The options are:
• All (Default)
• 1
• 2
• 4
• 5
• 6
• 7
• 8
• 9
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Option
Intel SpeedStep
C States
Limit CPUID Value
Intel TurboBoost
Hyper-Thread Control
Cache Prefetch
Dell Reliable Memory Technology (RMT)
Description
NOTE:
• The options displayed could be different depending on the installed processor(s).
• The options depend on the number of cores supported by the installed processor (All, 1, 2,
N-1 for N-Core Processors)
Allows you to enable or disable the Intel
SpeedStep feature.
Default Setting: Enable Intel SpeedStep
Allows you to enable or disable the additional processor sleep states.
Default Setting:Enabled
This field limits the maximum value the processor Standard CPUID Function will support.
• Enable CPUID Limit
Default Setting: The option is disabled.
Allows you to enable or disable the Intel
TurboBoost mode of the processor.
Default Setting: Enable Intel
TurboBoost
Allows you to enable or disable the
HyperThreading in the processor.
Default Setting: Enabled
Default Setting: Enable Hardware
Prefetch and Adjacent Cache Line
Prefetch
Allows you to identify and isolate memory errors in system RAM..
Default Setting: Enable Dell Reliable
Memory Technology (RMT)
Table 8. Power Management
Option
AC Recovery
Description
Specifies how the computer will respond when AC power is applied after a AC power loss. You can set the AC Recovery to:
• Power Off (Default)
• Power On
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Option
Auto On Time Allows you to set the time at which the computer must turn on automatically.
The options are:
• Disabled (Default)
• Every Day
• Weekdays
• Select Days
Deep Sleep Control Allows you to define the controls when Deep Sleep is enabled.
• Disabled (Default)
• Enabled in S5 only
• Enabled in S4 and S5
Fan Speed Control
Description
• Last Power State
USB Wake Support
Allows you to control the speed of the system fan. The options are:
• Auto (Default)
• Medium low
• Medium high
• Medium
• High
• Low
Allows you to enable USB devices to wake the system from standby.
• Enable USB Wake Support
Default Setting: The option is disabled.
Wake on LAN
Block Sleep
This option allows the computer to power up from the off state when triggered by a special LAN signal. Wake-up from the Standby state is unaffected by this setting and must be enabled in the operating system. This feature only works when the computer is connected to AC power supply.
• Disabled - Does not allow the system to power on by special LAN signals when it receives a wake-up signal from the LAN or wireless LAN.
• LAN Only - Allows the system to be powered on by special LAN signals.
• LAN with PXE Boot - Allows the system to power on and immediately boot to PXE when it receives a wake-up packet sent to the system in either the S4 or S5 state.
This option is Disabled by default.
Allows you to block entering to sleep (S3 state) in OS Environment.
Default Setting: Disabled
Table 9. POST Behavior
Option
Numlock LED
Keyboard Errors
Description
Specifies if the NumLock function can be enabled when the system boots. This option is enabled by default.
Specifies whether keyboard related errors are reported when it boots. This option is enabled by default.
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Option
Fastboot
Description
Allows you to speed up the boot process by bypassing some compatibility steps.
The options are:
• Minimal
• Thorough - This option is enabled by default.
• Auto
Table 10. Virtualization Support
Option
Virtualization
Description
This option specifies whether a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Intel Virtualization technology.
• Enable Intel Virtualization Technology - This option is enabled by default.
VT for Direct I/O
Trusted Execution
Enables or disables the Virtual Machine Monitor (VMM) from utilizing the additional hardware capabilities provided by Intel Virtualization technology for direct I/O.
• Enable VT for Direct I/O - This option is enabled by default.
Allows you to specify whether a Measured Virtual Machine Monitor (MVMM) can utilize the additional hardware capabilities provided by Intel Trusted Execution
Program.
• Trusted Execution - This option is disabled by default.
Table 11. Maintenance
Option
Service Tag
Asset Tag
SERR Messages
Description
Displays the service tag of your computer.
Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default.
Controls the SERR message mechanism. This option is not set by default. Some graphics cards require that the SERR message mechanism be disabled.
Table 12. System Logs
Option
BIOS events
Description
Displays the system event log and allows you to clear the log.
• Clear Log
Table 13. Engineering Configurations
Option
ASPM
Description
• Auto (Default)
• L1 Only
• Disabled
• L0s and L1
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Option
Pcie LinkSpeed
Description
• L0s Only
• Auto (Default)
• Gen1
• Gen2
• Gen3
Updating the BIOS
It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet
1.
Re-start the computer.
2. Go to dell.com/support.
3. Enter the Service Tag or Express Service Code and click Submit.
NOTE: To locate the Service Tag, click Where is my Service Tag?
NOTE: If you cannot find your Service Tag, click Detect My Product. Proceed with the instructions on screen.
4. If you are unable to locate or find the Service Tag, click the Product Category of your computer.
5. Choose the Product Type from the list.
6. Select your computer model and the Product Support page of your computer appears.
7. Click Get drivers and click View All Drivers.
The Drivers and Downloads page opens.
8. On the Drivers and Downloads screen, under the Operating System drop-down list, select BIOS.
9. Identify the latest BIOS file and click Download File.
You can also analyze which drivers need an update. To do this for your product, click Analyze
System for Updates and follow the instructions on the screen.
10. Select your preferred download method in the Please select your download method below window; click Download File.
The File Download window appears.
11. Click Save to save the file on your computer.
12. Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
System and Setup Password
You can create a system password and a setup password to secure your computer.
Password Type Description
System password Password that you must enter to log on to your system.
Setup password Password that you must enter to access and make changes to the BIOS settings of your computer.
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CAUTION: The password features provide a basic level of security for the data on your computer.
CAUTION: Anyone can access the data stored on your computer if it is not locked and left unattended.
NOTE: Your computer is shipped with the system and setup password feature disabled.
Assigning a System Password and Setup Password
You can assign a new System Password and/or Setup Password or change an existing System Password and/or Setup Password only when Password Status is Unlocked. If the Password Status is Locked, you cannot change the System Password.
NOTE: If the password jumper is disabled, the existing System Password and Setup Password is deleted and you need not provide the system password to log on to the computer.
To enter a system setup, press <F2> immediately after a power-on or re-boot.
1.
In the System BIOS or System Setup screen, select System Security and press <Enter>.
The System Security screen appears.
2. In the System Security screen, verify that Password Status is Unlocked.
3. Select System Password , enter your system password, and press <Enter> or <Tab>.
Use the following guidelines to assign the system password:
• A password can have up to 32 characters.
• The password can contain the numbers 0 through 9.
• Only lower case letters are valid, upper case letters are not allowed.
• Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
Re-enter the system password when prompted.
4. Type the system password that you entered earlier and click OK.
5. Select Setup Password, type your system password and press <Enter> or <Tab>.
A message prompts you to re-type the setup password.
6. Type the setup password that you entered earlier and click OK.
7. Press <Esc> and a message prompts you to save the changes.
8. Press <Y> to save the changes.
The computer reboots.
Deleting or Changing an Existing System and/or Setup Password
Ensure that the Password Status is Unlocked (in the System Setup) before attempting to delete or change the existing System and/or Setup password. You cannot delete or change an existing System or Setup password, if the Password Status is Locked.
To enter the System Setup, press <F2> immediately after a power-on or reboot.
1.
In the System BIOS or System Setup screen, select System Security and press <Enter>.
The System Security screen is displayed.
2. In the System Security screen, verify that Password Status is Unlocked.
3. Select System Password, alter or delete the existing system password and press <Enter> or <Tab>.
4. Select Setup Password, alter or delete the existing setup password and press <Enter> or <Tab>.
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NOTE: If you change the System and/or Setup password, re-enter the new password when promoted. If you delete the System and/or Setup password, confirm the deletion when promoted.
5. Press <Esc> and a message prompts you to save the changes.
6. Press <Y> to save the changes and exit from the System Setup.
The computer reboots.
Disabling a System Password
The system's software security features include a system password and a setup password. The password jumper disables any password(s) currently in use. There are 2–pins for the PSWD jumper.
NOTE: The password jumper is disabled by default.
1.
Follow the procedures in Before Working Inside Your Computer.
2. Remove the cover.
3. Identify the PSWD jumper on the system board. For identifying the PSWD jumper on the system board, see the System Board Components.
4. Remove the PSWD jumper from the system board.
NOTE: The existing passwords are not disabled (erased) until the computer boots without the jumper.
5. Install the cover.
NOTE: If you assign a new system and/or setup password with the PSWD jumper installed, the system disables the new password(s) the next time it boots.
6. Connect the computer to the electrical outlet and power-on the computer.
7. Power-off the computer and disconnect the power cable from the electrical outlet.
8. Remove the cover.
9. Replace the jumper on the pins.
10. Install the cover.
11. Follow the procedures in After Working Inside Your Computer.
12. Power-on the computer.
13. Go to the system setup, and assign a new system or setup password.
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Diagnostics
If you experience a problem with your computer, run the ePSA diagnostics before contacting Dell for technical assistance. The purpose of running diagnostics is to test your computer's hardware without requiring additional equipment or risking data loss. If you are unable to fix the problem yourself, service and support personnel can use the diagnostics results to help you solve the problem.
5
Enhanced Pre-Boot System Assessment (ePSA)
Diagnostics
The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware.
The ePSA is embedded with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device groups allowing you to:
• Run tests automatically or in an interactive mode
• Repeat tests
• Display or save test results
• Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
• View status messages that inform you if tests are completed successfully
• View error messages that inform you of problems encountered during testing
CAUTION: Use the system diagnostics to test only your computer. Using this program with other computers may cause invalid results or error messages.
NOTE: Some tests for specific devices require user interaction. Always ensure that you are present at the computer terminal when the diagnostic tests are performed.
1.
Power-on the computer.
2. As the computer boots, press the <F12> key as the Dell logo appears.
3. On the boot menu screen, select the Diagnostics option.
The Enhanced Pre-boot System Assessment window is displayed, listing all devices detected in the computer. The diagnostics starts running the tests on all the detected devices.
NOTE: System may reboot before entering diagnostics depending on the configuration.
4. If you wish to run a diagnostic test on a specific device, press <Esc> and click Yes to stop the diagnostic test.
5. Select the device from the left pane and click Run Tests.
6. If there are any issues, error codes are displayed.
Note the error code and contact Dell.
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68
Troubleshooting Your Computer
You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error
Messages during the operation of the computer.
6
Diagnostic LEDs
NOTE: The diagnostic LEDs only serve as an indicator of the progress through the Power-On Self
Test (POST) process. These LEDs do not indicate the problem that caused the POST routine to stop.
The diagnostic LEDs are located on the front of the chassis next to the power button. These diagnostic
LEDs are only active and visible during the POST process. Once the operating system starts to load, they turn off and are no longer visible.
Each LED has two possible states of OFF or ON.
NOTE: The diagnostic lights will blink when the power button is amber or off, and will not blink when it is white.
Table 14. POST Diagnostic LED Patterns
Power LED State
Off
Blinking White
Blinking Amber
Steady White
Steady Amber
System State
S5/S4
S3
N/A
S0
N/A
Notes
Normal- System is Off/Hibernate
Normal- System is in Standby/Suspend
Abnormal- PSU cannot turn on, recommend PSU BIST.
Replace PSU.
Normal- System is on functioning
Abnormal- System cannot turn on, recommend check motherboard components or replace motherboard.
NOTE: Amber LED blinking schemepattern is 2 or 3 blinks followed by a short pause then X number of blinks up to 7. Pattern has a long pause inserted in the middle. For example 2,3 = 2 amber blinks, short pause, 3 amber blinks followed by long pause then repeats.
Table 15. POST Diagnostic LED Patterns
Blink Patter
2,1
2,2
System State
A possible system motherboard failure has occurred.
A possible PSU or cabling issue has occurred.
Notes
Recommend replace motherboard.
Run PSU BIST.
2,3
2,4
2,5
2,6
2,7
3,1
3,2
3,3
A possible Motherboard,
Memory, or CPU failure has occurred
Check the PSU cabling to
Motherboard to make sure that all cables are installed correctly.
If two or more memory modules are installed, remove the modules, then reinstall one module and restart the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error.
A possible coincell failure has occurred.
System is in Recovery Mode
BIOS checksum failure was detected and the system is now in recovery mode.
A possible processor failure has occurred
Memory modules are detected, but a memory power failure has occurred.
Re-seat the processor
If two or more memory modules are installed, remove the modules, then reinstall one module and restart the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without error.
PCI device configuration activity is in progress or PCI device failure was detected.
Remove all peripheral cards from the PCI and PCI-E slots and reboot the computer. If the computer boots, add the peripheral cards back one by one until you find the bad one.
A possible HDD or USB failure has occurred.
Re-seat all power and data cables to HDD’s. Reinstall all USB devices and check all cable connections.
No memory modules installed
If two or more memory modules are installed, remove the modules, then reinstall one module and restart the computer. If the computer starts normally, continue to install additional memory modules (one
69
3,4
3,5
3,6
3,7
Power connector not installed properly.
at a time) until you have identified all modules without error. If available, install working memory of the same type into your computer.
Re-seat the 2x2 power connector from the power supply unit.
Memory modules are detected, but a memory configuration or compatibility error has occurred.
Ensure that no special requirements for memory module or connector placement exist. Ensure that the memory you are using is supported by your computer.
A possible system board resource and/or hardware failure has occurred.
Clear CMOS (re-seat the coincell battery. See removing and
Installing Coin-Cell battery).
Some other failure has occurred. Ensure that the display or monitor is plugged into a discrete graphics card. Ensure that all hard drives and optical-drive cables are properly connected to the system board. If there is an error message on the screen identifying a problem with a device (such as the floppy drive or hard drive), check the device to make sure it is functioning properly. If the operating system is attempting to boot from a device (such as the floppy drive or optical drive), check system setup to ensure the boot sequence is correct for the devices installed on your computer.
Error Messages
There are three types of BIOS error messages that are displayed depending on the severity of the issue.
They are:
Errors That Halt Your Computer Completely
These error messages will halt the computer requiring you to cycle the system's power. The following table lists the error messages.
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Table 16. Errors that halt your computer completely
Error Message
Error! Non-ECC DIMMs are not supported on this system.
Alert! Processor cache size is mismatched.
Install like processor or one processor.
Alert! Processor type mismatch.
Install like processor or one processor.
Alert! Processor speed mismatch
Install like processor or one processor.
Alert! Incompatible Processor detected.
Install like processor or one processor.
Errors That Do Not Halt Your Computer
These error messages will not halt your computer, but will display a warning message, pause for a few seconds, and then continue to boot. The following table lists the error messages.
Table 17. Errors that do not halt your computer
Error Message
Alert! Cover was previously removed.
Errors That Soft Halt Your Computer
These error messages will cause a soft halt of your computer and you will be prompted to press <F1> to continue or <F2 > to enter the system setup. The following table lists the error messages.
Table 18. — Errors that soft halt your computer
Error Message
Alert! Front I/O Cable failure.
Alert! Left Memory fan failure.
Alert! Right Memory fan failure.
Alert! PCI fan failure.
Alert! Chipset heat sink not detected.
Alert! Hard Drive fan1 failure.
Alert! Hard Drive fan2 failure.
Alert! Hard Drive fan3 failure.
Alert! CPU 0 fan failure.
Alert! CPU 1 fan failure.
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Error Message
Alert! Memory related failure detected.
Alert! Correctable memory error has been detected in memory slot DIMMx.
Warning: Non-optimal memory population detected. For increased memory bandwidth populate DIMM connectors with white latches before those with black latches.
Your current power supply does not support the recent configuration changes made to your system.
Please contact Dell Technical support team to learn about upgrading to a higher wattage power supply.
Dell Reliable Memory Technology (RMT) has discovered and isolated errors in system memory. You may continue to work. Memory module replacement is recommended. Please refer to the RMT Event log screen in BIOS setup for specific DIMM information.
Dell Reliable Memory Technology (RMT) has discovered and isolated errors in system memory. You may continue to work. Additional errors will not be isolated. Memory module replacement is recommended.
Please refer to the RMT Event log screen in BIOS setup for specific DIMM information.
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7
Technical Specifications
NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information about the configuration of your computer, go to
Help and Support in your Windows operating system and select the option to view information about your computer.
Table 19. Processor
Feature
Type
Cache
Instruction Cache
Data Cache
Specification
4, 6, 8, 10, 12, 14, 16 and 18 core Intel Xeon processor.
32 KB
• 32 KB
• 256 KB Mid-Level Cache per core
• Up to 45 MB last level cache (LLC) shared among all cores
(2.5 MB per core)
Table 20. System Information
Feature
Chipset
BIOS chip (NVRAM)
Table 21. Memory
Feature
Memory module connector
Memory module capacity
Type
Minimum memory
Maximum memory
Table 22. Video
Feature
Discrete (PCIe 3.0/2.0 x16)
Specification
Intel(R) C610 , C612 chipset
16 MB serial flash EEPROM
Specification
16 DIMM slots (8 per CPU)
4 GB, 8 GB, and 16 GB RDIMM, and 32 GB LR-DIMM
2133 DDR4 RDIMM and LR-DIMM ECC
8 GB per CPU
512 GB
Specification up to 4* full-height, full length (maximum of 675 W)
*Requires 2nd CPU
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Table 23. Audio
Feature
Integrated
Table 24. Network
Feature
Tower 7910
Table 25. Expansion Interfaces
Feature
PCI:
SLOT1
SLOT2
SLOT3
SLOT4
SLOT5
CPU2 SLOT1
CPU2 SLOT2
Storage (HDD/SSD):
SAS0 4-port mini-SAS
SAS1 4-port mini-SAS
Storage (ODD):
SATA2-ODD0
SATA2-ODD1
USB:
Front ports
Rear ports
Internal ports
Table 26. Drives
Feature
Tower 7910
Externally accessible:
Slimline SATA optical bays
5.25–inch drive bays
Specification
Realtek ALC3220 audio codec
Specification
Intel i217 and Intel i210
Specification
PCI Express 3.0 x16 (x4 electrical), 16GB/s
PCI Express 3.0 x16, 16GB/s
PCI Express 2.0 x16 (x4 electrical), 16GB/s
PCI Express 3.0 x16, 16GB/s
PCI
PCI Express 3.0 x16 (requires second CPU)
PCI Express 3.0 x16 (requires second CPU)
SAS3, 12 Gbps (SATA3, 6 Gbps)
SAS3, 12 Gbps (SATA3, 6 Gbps)
Intel AHCI SATA 3.0, 6Gbps
Intel AHCI SATA 3.0, 6 Gbps
USB 3.0, 5 Gbps (1 port)
USB 2.0, 480 Mbps (3 ports)
USB 3.0, 5 Gbps (3 ports)
USB 2.0, 480 Mbps (3 ports)
Specification one one:
• supports one 5.25–inches device
• supports one media card reader
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Feature Specification
• supports up to four 2.5–inches hard drives (with optional adapters)
3.5–inch hard drive bays four
NOTE: These hard drive bays can hold four 2.5–inch hard drive with supplied HDD caddy.
none Internally accessible
Table 27. External Connectors
Feature
Audio
Specification
• front panel — mic-in, headphone-out
• back panel — line-out, mic in/line In
Network
Tower 7910
Serial
USB
Tower 7910 two RJ-45 connector one 9-pin connector
Video
• front panel — three USB 2.0, and one USB 3.0
• back panel — three USB 2.0, and one USB 3.0
• internal — three USB 2.0
Video card dependent
• DVI connector
• mini DisplayPort
• DisplayPort
• DMS-59
Table 28. Internal Connectors
Feature
System power
System fans
Thunderbolt sideband connector
Processor fans
Tower 7910
HDD fans
Tower 7910
Memory
Tower 7910
Processor
Tower 7910
Specification one 28–pin connector three 4-pin connectors one 5-pin connector two 5-pin connectors three 5-pin connectors sixteen 288–pin connectors two LGA-2011 sockets
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Feature
Back I/O:
PCI Express
PCI Express x4
Tower 7910
PCI Express x16
Tower 7910
Specification one 98–pin connector, one 164-pin connector
PCI 2.3
Front I/O:
Front USB
Internal USB
Front panel control
Front panel audio HDA header
Hard drive/ Optical drive:
SATA
Tower 7910 two 164-pin connectors (four when optional second processor is installed) one 124-pin connector one 14–pin connector one type A female, one dual-port 2x5 header one 2x14 pin connector one 2x5 pin connector
• two 36-pin mini-SAS connectors for HDD
• two 7-pin SATA connectors for ODD
Power
Tower 7910 one 24-pin, one 20-pin and one 4–pin connector
Table 29. Controls and Lights
Feature
Power button light:
Specification off — system is off or unplugged.
solid white light — computer is operating normally.
blinking white light — computer is in stand by.
solid amber light — the computer does not start, indicating a problem with the system board or power supply.
blinking amber light — indicates a problem has occurred with the system board.
Drive activity light white light — blinking white light indicates that the computer is reading data from, or writing data to the hard drive.
Network link integrity lights (back panel) green light — A good connection at 10 Mbs exists between the network and the computer orange light — A good connection at 100 Mbs exists between the network and the computer.
yellow light — A good connection at 1000 Mbs exists between the network and the computer.
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Feature
Network activity lights (back panel)
Specification yellow light — flashes when there is network activity on the connection.
Table 30. Power
Feature
Coin-cell battery
Voltage
Wattage
Specification
3 V CR2032 lithium coin cell
100 VAC to 240 VAC
• 1000 W (input voltage 100 VAC – 107 VAC)
• 1300 W (input voltage 181 VAC – 240 VAC)
• 1100 W (input voltage 108 VAC – 180 VAC)
Maximum heat dissipation
1300 W • 4015.3 BTU/Hr (at 100 VAC)
• 4365.5 BTU/Hr (at 107 VAC)
• 5099.9 BTU/Hr (at 181 VAC)
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Table 31. Physical
Feature
Height (with feet)
Height (without feet)
Width
Depth
Weight (minimum)
Table 32. Environmental
Feature
Temperature:
Operating
Storage
Relative humidity (maximum)
Maximum vibration:
Operating
Storage
Maximum shock:
Operating
Specification
433.40 mm (17.06 inches)
430.50 mm (16.95 inches)
216.00 mm (8.51 inches)
525.00 mm (20.67 inches)
16.90 kg (37.26 lb)
Specification
10 °C to 35 °C (50 °F to 95 °F)
–40 °C to 65 °C (–40 °F to 149 °F)
20% to 80% (noncondensing)
5 Hz to 350 Hz at 0.0002 G²/Hz
5 Hz to 500 Hz at 0.001 to 0.01 G²/Hz
40 G +/- 5% with pulse duration of 2 msec +/- 10%
(equivalent to 51 cm/sec [20 in/sec])
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Feature
Storage
Altitude:
Operating
Storage
Airborne contaminant level
Specification
105 G +/- 5% with pulse duration of 2 msec +/- 10%
(equivalent to 127 cm/sec [50 in/sec])
–15.2 m to 3048 m (-50 ft to 10,000 ft)
–15.2 m to 10,668 m (-50 ft to 35,000 ft)
G1 as defined by ISA-S71.04-1985
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Contacting Dell
NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.
Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues:
1.
GO to dell.com/support.
2. Select your support category.
3. Verify your country or region in the Choose a Country/Region drop-down list at the top of page.
4. Select the appropriate service or support link based on your need.
8
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