Removal and Replacement 7-39
HP-PB I/O Card Cage and Card Cage Power Supply
(HP3000 969/979/989 and HP9000 K3xx/K4xx/K5xx)
The procedures in this section describe the removal and replacement of the following external HP-PB I/O
assemblies:
• I/O cards
• HP-PB I/O card cage
• Power Supply
• SPCM Card
• Backplane
I/O Card Removal
To remove an I/O card from the HP-PB I/O card cage (see Figure 7-31):
1. Make sure that power has been disconnected from the cabinet and you have a grounding wriststrap
attached to your wrist.
2. From the rear of the cabinet, detach any cables connected to the I/O card that you want to replace.
3. Loosen the two captive screws securing the card to the card cage.
4. Use the extractor handles to release the card from the card cage, and slide the card gently out of the
card cage along the slot guides.
Figure 7-31 HP-PB Card Cage - Rear View
To replace the card, reverse the above procedures.
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