Dell 2950 System Board (Service-only Procedure)

Installing System Components 107
4 Connect the display module cable to the control panel board. See Figure3-35.
5 Connect the control panel cable to the control panel board. See Figure3-35.
6 Close the system. See "Closing the System" on page55.
7 Reconnect the system to the power source and turn on the system and attached peripherals.
8 If applicable, install the bezel.
System Board (Service-only Procedure)
Removing the System Board
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
1 Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2 Open the system. See"Opening the System" on page54
3 If applicable, remove any expansion cards. See "Installing an Expansion Card" on page77
4 Remove the expansion-card cage. See "Removing the Expansion-Card Cage" on page78
5 Remove the cooling shroud. See "Removing the Cooling Shroud" on page 67.
6 Remove the fans. See "Removing a System Fan" on page65.
7 Remove the fan bracket. See "Removing the Fan Bracket" on page68
8 If applicable, remove the RAC card. See "Installing a RAC Card" on page80
CAUTION: The DIMMs are hot to the touch for some time after the system has been powered down. Allow time
for the DIMMs to cool before handling them. Handle the DIMMs by the card edges and avoid touching the DIMM
components.
9 Remove the memory modules. See "Removing Memory Modules" on page92.
NOTE: While removing the memory modules, record the memory module socket locations to ensure proper
installation.
10 Remove the heatsink(s) and microprocessor(s). See "Removing a Processor" on page93.
11 Remove the TOE key, if present. See Figure6-2 for the location of the TOE key.
12 Remove the sideplane. See "Removing the Sideplane Board" on page101.
13 Remove the SAS backplane. See "Removing the SAS Backplane Board" on page103.
14 Remove the system board:
a Pull the system-board tray riser release pin. See Figure3-36.
b While pulling the release pin, slide the system-board tray toward the front of the chassis.
c Lift up the system-board tray and remove it from the chassis.
Book.book Page 107 Friday, February 3, 2006 11:09 AM