A-Class System Service
A-Class Server I/O Card Removal and Replacement
Chapter 3
97
A-Class Server I/O Card Removal and Replacement
Introduction
This section provides card load order rules and step-by-step instructions for removing
and replacing I/O cards in the A-Class Server. The following subsections apply:
• Card Load Order Rules
• I/O Card Removal
• I/O Card Replacement
CAUTION The procedures in this section require opening the system cabinet and exposing the
system to electrostatic discharge. Always observe all electrostatic precautions when
working with components inside or out of the cabinet. Failure to follow these precautions
may result in component damage or loss of system reliability.
Electrostatic Discharge Precautions
• Use a grounding mat and an anti-static wrist strap.
• Wear the anti-static wrist strap to ensure that any accumulated electrostatic charge
is discharged from your body to ground.
Before You Do Anything...
Step 1. Perform system backup.
Step 2. Shut down the operating system.
Step 3. Power down the system.
Step 4. Unplug the server.
NOTE Cabinet-mounted servers must be removed from the cabinet before proceeding.
Step 5. Remove the top of the server by unscrewing the knurled captive screws on each side of
the rear of the server. Slide the top back, lift it off, and set it aside.
Card Load Order Rules
Card Rule
Access Port (AP) card Must go in the bottom slot.
One HSC card and one PCI card HSC card must go in the bottom slot
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