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78 xSeries 343 Hardware Maintenance Manual
Replacing 3.3 Volt and 5 Volt PCI Add-in Cards
The server supports two types of PCI riser boards: 3.3 Volt and 5 Volt. The riser boards may be
installed as two 3.3 Volt, or one 3.3 Volt and one 5 Volt.
• The 5 Volt PCI riser supports three 64-bit 33 MHz PCI add-in cards.
• The 3.3 Volt PCI riser supports three, 64-bit, 66 MHz PCI add-in cards.
To replace the riser board, follow this procedure:
1. Remove the two screws securing the PCI retainer bracket.
2. Rotate the PCI retainer bracket to the left and slide out to remove.
3. Insert or remove the PCI add-in cards.
4. Replace the PCI retainer bracket. Make sure that it fully seats the PCI add-in cards.
Figure 23. Replacing 3.3 Volt or 5 Volt PCI Add-in Cards