HP LH4r HP Netserver LC 3 User Guide - Page 56

After Installing an Accessory

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Chapter 6 Troubleshooting 3. The computer and display are turned on. (The power-on indicator should be illuminated.) 4. The display's contrast and brightness settings are correct. 5. All internal cables are properly connected, and all boards are firmly seated. 6. Check that the system board is fully seated in the backplane slot and that the retaining latches at the top of the system board are fully lowered. 7. Check that the primary CPU module is fully seated in the lower (primary) CPU socket on the system board. Also check that the system board retaining latches are fully latched. 8. Check that either a terminator board or the second CPU module is fully seated in the upper (secondary) CPU socket on the system board. Also check that the system board retaining latches are fully latched. 9. 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, top cover, and side cover. Raise the system board if you need access to Slots 5 and 6 on the backplane. 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." 50

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Chapter 6
Troubleshooting
50
3.
The computer and display are turned on. (The power-on indicator should
be illuminated.)
4.
The display's contrast and brightness settings are correct.
5.
All internal cables are properly connected, and all boards are firmly
seated.
6.
Check that the system board is fully seated in the backplane slot and that
the retaining latches at the top of the system board are fully lowered.
7.
Check that the primary CPU module is fully seated in the lower (primary)
CPU socket on the system board. Also check that the system board
retaining latches are fully latched.
8.
Check that either a terminator board or the second CPU module is fully
seated in the upper (secondary) CPU socket on the system board. Also
check that the system board retaining latches are fully latched.
9.
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, top cover, and side cover. Raise the system board
if you need access to Slots 5 and 6 on the backplane.
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."