102 SPARC Enterprise T5120 and T5220 Servers Service Manual • July 2009
Servicing PCIe/XAUI Risers
These topics explain how to service the riser units that support PCIe and XAUI cards
and how to remove and install the I/O cards themselves.
■“PCIe/XAUI Riser Overview” on page 102
■“Remove a PCIe/XAUI Riser” on page 102
■“Install a PCIe/XAUI Riser” on page104
■“Remove a PCIe or XAUI Card” on page106
■“Install a PCIe or XAUI Card” on page107
■“PCIe/XAUI Card Configuration Reference for SPARCEnterprise T5120 Servers”
on page 110
■“PCIe and XAUI Card Referencefor SPARC Enterprise T5220 Servers” on page 111

PCIe/XAUI Riser Overview

PCIe/XAUI cards are installed on vertical risers. Youmust remove the PCI cross
beam and relevant riser to access a PCIe/XAUI card.
Caution – This procedurerequires that you handle components that are sensitive to
static discharge. This sensitivity can cause the component to fail.
Caution – Ensure that all power is removed from the server beforeremoving or
installing expansion cards. Youmust disconnect the power cables before performing
this procedure.
Youmust remove PCIe riser 2 when servicing the SCC module.
Youmust remove all three PCIe/XAUI risers when servicing the motherboard.

▼Remove a PCIe/XAUI Riser

1. Power off the server.
See “Removing Power From the System” on page60.