HP Xw8400 HP xw8400 Workstation - Service and Technical Reference Guide - Page 81

Table 4-5 PCI Express compatibility matrix for xw8400 Slot 2 x16 mechanical x16 electrical Slot 3 x8 mechanical x4 electrical PCI Express x1 Yes Yes Card PCI Express x4 Yes Yes Card PCI Express x8 Yes Yes Card PCI Express x16 Yes No Card Slot 4 x16 mechanical x4 electrical Yes Yes Yes Yes Removing PCI or PCI Express cards 1. Disconnect power from the system ( Pre-disassembly procedures on page 50), and remove the access panel (Access panel on page 57). Place the workstation on its side with the system board facing up. Remove the PCI retainer (PCI retainer on page 68) if present. 2. Open the PCI retention clamp by pressing down on the two green clips at the ends of the clamp (1) and rotating the clamp toward the back of the system. 3. Lift the PCI card out of the chassis (2). If removing a PCI Express high-end graphics card, remove the auxiliary power supply cable (not illustrated) if required, and move the lever to release the card and lift it out of the chassis (3). Store the card in an anti-static bag. 4. Close the PCI retention clamp. Figure 4-23 Removing the PCI or PCI-E Card ENWW Removing and replacing components 71