Expansion board options 63
Installing a x4–x8 PCI Express bus expander
The x4–x8 PCI Express bus expander is a half-length expansion board. When installed into a x4 PCI
Express expansion slot, the x4–x8 PCI Express bus expander converts the adjacent x4 PCI Express
expansion slot into a x8 PCI Express expansion slot.
The server can support up to two x4–x8 PCI Express bus expander cards. The x4–x8 PCI Express bus
expander can only be installed in expansion slots 5 and 7. Installing the x4–x8 PCI Express bus expander
into expansion slot 5 converts expansion slot 4 to PCI Express x8. Installing the x4–x8 PCI Express bus
expander into expansion slot 7 converts expansion slot 6 to PCI Express x8.
1. Power down the server (on page 24).
2. Extend or remove the server from the rack ("Extending the server from the rack" on page 24).
3. Remove the access panel ("Removing the access panel" on page 26).
4. Remove the expansion boards from the adjacent expansion slots, if installed.
5. Open the PCI latch, and install the x4–x8 PCI Express bus expander.
6. Close the PCI latch, and install a x8 PCI Express expansion board into the appropriate adjacent
expansion slot.
7. Replace the access panel ("Removing the access panel" on page 26).
8. Replace or slide the server back into the rack.
9. Power up the server (on page 24).
Installing non-hot-plug expansion boards
CAUTION: To prevent damage to the server or expansion boards, power down the server and
remove all AC power cords before removing or installing the expansion boards.
CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless
all expansion slots have either an expansion slot cover or an expansion board installed.
1. Power down the server (on page 24).
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