Installing An Adapter - IBM x3655 - System - 7985 User Manual

Installing an adapter

Low-profile PCI Express
adapter
The following notes describe the types of adapters that the server supports and
other information that you must consider when installing an adapter:
v You can install only low-profile adapters in PCI slots 2, 3, and 4 on the system
v You can install a standard full-length HTX, PCI Express, or PCI-X adapter (25 W
v Your server supports only 3.3 V and universal PCI adapters.
v The PCI bus configuration is as follows:
v The system scans devices in the following order, if you have not changed the
PCI slot 1
Expansion
slot 1
Expansion
slot cover
board.
maximum) in slot 1 on the riser-card assembly.
– Non-hot-plug, full-length PCI Express x16 (x16 lanes) or PCI-X 64 bit, 133
MHz, slot 1
– Non-hot-plug, low profile PCI Express x4 (x4 lanes), slot 2
– Non-hot-plug, low profile PCI Express x8 (x8 lanes), slots 3 and 4
default boot precedence: integrated Ethernet controllers, integrated SAS
controller, and then PCI slots 1, 2, 3, and 4.
PCI slot 4
PCI slot 3
PCI slot 2
Riser-card
Expansion
assembly
slot cover
Chapter 2. Installing optional devices
Adapter
31