Removal and Replacement Procedures
Performance Balancing
Balancing is the paired arrangement of expansion boards for optimal performance based on
the bus architecture of the expansion slots. Properly balancing the boards across buses can
improve performance. To balance expansion boards:
•
•
•
Populate slots 1 and 2 with 133-MHz PCI-X boards.
Populate slots 3-8 with 100-MHz PCI-X boards.
Populate slots across different buses before populating two slots on the same bus.
For more information about PCI-X bus architecture and numbering, refer to the white paper,
PCI Bus Numbering in a Windows NT Environment, on the HP website at:
www.hp.com
PCI-X Expansion Boards
To remove a PCI-X expansion board:
1. Power down the server. Refer to “Powering Down the Server” ea rlier in this chapter.
2. Extend the server from the rack. Refer to “Extending the Server from the Rack” earlier in
this chapter.
3. Remove the access panel. Refer to “R emoving the Access Panel” earlier in this chapter.
4. Disconnect any cables connected to the expansion boards.
5. Press the PCI-X retaining clip toward the front of the server to lock it in the open
position.
6. Press down on the expansion slot latch to release it (1).
7. Open the latch (2).
HP ProLiant DL585 Server Maintenance and Service Guide 2-31
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