HP Visualize J5000 hp Visualize J5000, J7000 workstations service handbook (a4 - Page 114

I/O Board

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Field Replaceable Units (FRUs) FRU Removal and Replacement I/O Board This section describes how to remove and replace the I/O board in J5000 and J7000 workstations. Removing the I/O Board To remove the I/O board, do the following: 1. Remove the top panel and the right side panel from the workstation. 2. Remove the PCI retainer clip, which is located below the power supply. 3. Remove the power supply by following the removal procedures in the section titled "Power Supply" on page 108. 4. Remove all I/O cards and note their locations for reinstallation later. See the removal procedures in the section titled "I/O Cards" on page 106 for details. 5. Remove the flex cable connecting the I/O board to the system board. To do this, first remove the flex cable retainer. Then pull the flex cable outward by its handles to relieve the flex cable from the board connectors. 6. Disconnect all cables from the I/O board, including: • Ultra2 Wide LVD SCSI cable • NSE SCSI-2 cable • DDS-3 tape drive/floppy disk drive cable • Speaker cable • Fan cable • Power cable • CD drive power cable and audio cable 7. Remove the two T-15 Torx screws that secure the I/O board to the rear panel of the workstation. 8. Slide the I/O board to the left, which disengages the ten keyhole standoffs holding the I/O board to the center wall of the chassis. 9. Pull up on the I/O board and lift it out of the chassis. Replacing the I/O Board To replace the I/O board, do the following: 1. Remove the top panel and the right side panel from the workstation. 2. Perform the previous removal steps in reverse. NOTE For correct installation, you must slide the I/O board to the rear of the workstation chassis until the EMI (electromagnetic interference) fingers have been compressed. 110 Chapter 4

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110
Chapter 4
Field Replaceable Units (FRUs)
FRU Removal and Replacement
I/O Board
This section describes how to remove and replace the I/O board in J5000 and J7000
workstations.
Removing the I/O Board
To remove the I/O board, do the following:
1.
Remove the top panel and the right side panel from the workstation.
2.
Remove the PCI retainer clip, which is located below the power supply.
3.
Remove the power supply by following the removal procedures in the section titled
“Power Supply” on page 108.
4.
Remove all I/O cards and note their locations for reinstallation later. See the removal
procedures in the section titled “I/O Cards” on page 106 for details.
5.
Remove the flex cable connecting the I/O board to the system board. To do this, first
remove the flex cable retainer. Then pull the flex cable outward by its handles to relieve
the flex cable from the board connectors.
6.
Disconnect all cables from the I/O board, including:
•
Ultra2 Wide LVD SCSI cable
•
NSE SCSI-2 cable
•
DDS-3 tape drive/floppy disk drive cable
•
Speaker cable
•
Fan cable
•
Power cable
•
CD drive power cable and audio cable
7.
Remove the two T-15 Torx screws that secure the I/O board to the rear panel of the
workstation.
8.
Slide the I/O board to the left, which disengages the ten keyhole standoffs holding the
I/O board to the center wall of the chassis.
9.
Pull up on the I/O board and lift it out of the chassis.
Replacing the I/O Board
To replace the I/O board, do the following:
1.
Remove the top panel and the right side panel from the workstation.
2.
Perform the previous removal steps in reverse.
NOTE
For correct installation, you must slide the I/O board to the rear of the
workstation chassis until the EMI (electromagnetic interference) fingers have
been compressed.