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Figure 6-37 Midplane Board
Replacing the Midplane Board
To replace the midplane board, follow these steps:
1. Place the midplane board onto the guide pins on the chassis wall.
2. Push straight down until the board seats onto the locking studs.
3. Use a Torx 15 driver to replace and tighten the five Torx screws attaching the midplane
bracket assembly to the chassis.
4. Replace the fan cables into the fan 1 and fan 2 housing units.
a. Guide the cable connector up through the opening in the fan housing.
b. Push the cable connector toward the front of the chassis until the connector tabs seat
into place.
5. Replace the power supplies. See “Replacing a Hot-Swappable Power Supply” (page 187).
6. Replace the I/O board assembly. See “Replacing the I/O Board Assembly” (page 228).
7. Replace the interconnect board. See “Replacing the Interconnect Board” (page 252).
8. Replace the SAS backplane board. See “Replacing the SAS Backplane Board” (page 249).
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
operating system may not reboot.
9. Reconnect the SAS data and power cables into the connectors on the SAS backplane board.
Removing and Replacing the Midplane Board 255