HP LH4r HP Netserver LPr Installation Guide - Page 108

After Installing an Accessory

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Chapter 13 Troubleshooting • All internal cables are properly connected, and all boards, particularly the system board, are firmly seated. • Check that the system board is fully seated in its card edge connector and that the seating lever between the system board and the chassis is fully closed. • Check that the primary CPU module is fully seated in the lower (primary) CPU socket on the system board. Check that the processor seating levers are closed. • Check that either a terminator board or the second CPU module is fully seated in the upper (secondary) CPU socket on the system board. Check that the processor seating levers are closed. • Check that the voltage regulator module (VRM) is fully seated in the lower VRM socket on the system board. If two CPU modules are installed, check that both VRMs are fully seated. See the Technical Reference Label inside the top cover for the location of the VRM(s). NOTE A VRM module is required for each CPU module installed. Install a VRM next to each installed CPU. After Installing an Accessory 1. Turn off the display, the computer, and any external devices. 2. Unplug all cables from the power outlet. 3. Remove the front bezel, and top cover. 4. Check the following: ◊ If you have installed an accessory board, check that the board is firmly seated in its slot and that any switches or jumpers on the accessory board are properly set. (Refer to the manuals that came with the board.) ◊ Check that the CPU, terminator board, and VRM are seated properly in their correct positions, as listed above in "General Checks." ◊ Check that all DIMMs are HP-supplied and are seated properly. The boot screen provides information on the installed DIMMs. ◊ Check all internal cabling and connections. 100

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Chapter 13
Troubleshooting
100
•
All internal cables are properly connected, and all boards, particularly the
system board, are firmly seated.
•
Check that the system board is fully seated in its card edge connector and
that the seating lever between the system board and the chassis is fully
closed.
•
Check that the primary CPU module is fully seated in the lower (primary)
CPU socket on the system board. Check that the processor seating levers
are closed.
•
Check that either a terminator board or the second CPU module is fully
seated in the upper (secondary) CPU socket on the system board. Check
that the processor seating levers are closed.
•
Check that the voltage regulator module (VRM) is fully seated in the
lower VRM socket on the system board. If two CPU modules are installed,
check that both VRMs are fully seated. See the Technical Reference Label
inside the top cover for the location of the VRM(s).
NOTE
A VRM module is required for each CPU module installed.
Install a VRM next to each installed CPU.
After Installing an Accessory
1.
Turn off the display, the computer, and any external devices.
2.
Unplug all cables from the power outlet.
3.
Remove the front bezel, and top cover.
4.
Check the following:
◊
If you have installed an accessory board, check that the board is
firmly seated in its slot and that any switches or jumpers on the
accessory board are properly set. (Refer to the manuals that came with
the board.)
◊
Check that the CPU, terminator board, and VRM are seated properly
in their correct positions, as listed above in "General Checks."
◊
Check that all DIMMs are HP-supplied and are seated properly. The
boot screen provides information on the installed DIMMs.
◊
Check all internal cabling and connections.