3. Remove the top cover. See “Removing the Top Cover” (page 178).
CAUTION: When disconnecting the SAS cables, note the labeling on the cables. Both cables
and sockets are clearly marked with the correct channel. When reconnecting these cables,
match each cable with the appropriate socket on the SAS core I/O card. If the cables are
mismatched, the server will not reboot.
4. Disconnect the internal SAS cables attached to the card.
5. Remove the slotted T15 screw that attaches the card bulkhead to the chassis; use a T15
screwdriver to turn the screw counterclockwise until it is free from the chassis.
6. SAS RAID card only. Pull the gate latch toward the front of the chassis to unlock the SAS core
I/O card.
7. Grasp the card by the edges and lift it out of the chassis.
Replacing the SAS Core I/O Card
To replace the SAS core I/O card, follow these steps:
1. Insert the replacement card into the dedicated SAS core I/O card slot.
a. Insert the tab at the base of the card bulkhead into the slot in the chassis.
b. Align the card connectors with the slots on the I/O board.
c. Apply firm, even pressure to both sides of the card until it fully seats into the slot.
2. SAS RAID card only. Close the gate latch to secure the end of the card.
3. Replace the slotted T15 screw that attaches the card bulkhead to the chassis; use a T15
screwdriver to turn the screw clockwise until it tightens to the chassis.
CAUTION: When reconnecting the SAS cables, note the labeling on the channel cables.
Both cables and sockets are clearly marked with the correct channel. Match each cable with
the appropriate socket on the SAS core I/O card. If the cables are mismatched, the server
will not reboot.
4. Reconnect the internal SAS cables to the card.
5. Replace the top cover. See “Replacing the Top Cover” (page 179).
6. If rack installed, slide the server completely into the rack. See “Inserting the Server into the
Rack” (page 177).
7. Reconnect the power cables and power on the server. See “Powering On the Server” (page 90).
Removing and Replacing the LAN Core I/O Card
The LAN core I/O card enables network connectivity for the server. The dedicated slot for the LAN
core I/O card is slot 2 unless there are two PCI-X SAS core I/O cards installed. In this case, the
dedicated slot for the LAN core I/O card is slot 10.
IMPORTANT: The number of SAS core I/O cards determines the SAS configuration. The SAS
configuration affects the location of the LAN core I/O card.
Removing and Replacing the LAN Core I/O Card 237
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