HP xw9400 User's Guide download pdf (Page 83)

2. For both short and tall PCI cards, attach the hooks of the PCI retainer (1) under the slots on the

rear of the chassis, and then rotate the retainer down until the retainer arm (2) supports the card.

Figure 4-21 Installing the short or tall card PCI retainer

PCI retention clamp

1. Disconnect power from the system ( Pre-disassembly procedures on page 55), and remove the

access panel (

Access panel on page 61). Place the workstation on its side with the system board

facing up.

2. Open the PCI retention clamp by pressing down on the two green clips at the ends of the clamp

and rotating the clamp toward the back of the system.

Figure 4-22 Opening the PCI retention clamp

PCI Express

PCI Express is a point-to-point architecture and uses a serial data transmission protocol. A single PCI

Express lane consists of four wires and can transmit 250 MB/s in a single direction or 500 MB/s in both

ENWW Removing and replacing components 75

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HP xw9400 User's Guide Page 83