Chapter 4 Servicing Motherboard Components 4-23
Caution – Ensure that all power is removed from the server before removing or
installing expansion cards. You must disconnect the power cables before performing
this procedure.
4.6.1 Sun Fire X4450 PCIe Card Guidelines
The PCI expansion system is configured using a variety of riser cards. All device
types operate at x16 PCIe operating at x8, as shown in
TABLE 4-2.
FIGURE 4-13 Identifying PCIe Cards
TABLE 4-2 Sun Fire X4450 Riser Guidelines
Riser/Slot Numbers Electrical Mechanical Source
Riser 0 - Slot 0 x8 x16 MCH
Riser 0 - Slot 3 x4 x8 MCH
Riser 1 - Slot 1 x8 x16 MCH
Riser 1 - Slot 4 x4 x8 MCH
Riser 2 - Slot 2 x4 x16 ESB-2
Riser 2 - Slot 5 x4 x8 ESB-2
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