IBM 8671 - Eserver xSeries 235, Maintenance And Troubleshooting Manual

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v
Locate the documentation that comes with the adapter and follow those
instructions in addition to the instructions in this chapter. If you need to change
the switch or jumper settings on your adapter, follow the instructions that come
with the adapter.
v
You can install full-length adapters and non-hot-plug adapters in any expansion
slot.
v The 32-bit PCI slot supports 5.0 V signaling PCI adapters; it does not support 3.3
V signaling adapters.
v
The 64-bit PCI-X slots 2 through 6 support 3.3 V signaling PCI or PCI-X
adapters; they do not support 5.0 V signaling adapters.
v The PCI bus configuration is:
– Non-hot-plug, 32-bit PCI slot 1 is on PCI bus A, 33 MHz
– Non-hot-plug, 64-bit PCI-X slots 2 and 3, and the integrated Ethernet
controller, are on PCI bus B, 100 MHz (independent of slot 4)
– Non-hot-plug, 64-bit PCI-X slot 4 and the integrated SCSI controller with RAID
capabilities are on PCI bus B, 100 MHz (independent of slots 2 and 3)
– Hot-plug, 64-bit PCI-X slot 5 is on PCI bus C, 133 MHz (independent of slot
6)
– Hot-plug, 64-bit PCI-X slot 6 is on PCI bus C, 133 MHz (independent of slot
5)
Notes:
1. PCI bus A is often referred to as bus 0; PCI bus B is often referred to as bus
1 and bus 2; and PCI bus C is often referred to as bus 3 and bus 5.
However, the bus numbers vary according to the adapters that are installed.
2. If an optional ServeRAID-5i controller is installed, it overrides the standard
functionality of the integrated SCSI controller with RAID capabilities and
forces PCI-X slot 4 to 66 MHz. The ServeRAID-5i controller must be installed
in slot 4 using the 3-U bracket that comes with the controller. However, if a
ServeRAID-5i controller is installed and later removed, you must re-enable
the on-board SCSI controller in using the Configuration/Setup Utility program
(see “Starting the Configuration/Setup Utility program” on page 15).
3. The integrated SCSI controller with RAID capabilities is on PCI bus B.
v
The optional IBM Remote Supervisor Adapter must be installed in PCI slot 1 only.
Use the ribbon cable that comes with the adapter to connect the adapter to the
Remote Supervisor Adapter connector (J27) on the system board.
v The system scans PCI and PCI-X slots 1 through 6 to assign system resources.
The system then starts (boots) the system devices in the following order, if you
have not changed the default boot precedence: integrated SCSI controller with
RAID capabilities (or optional ServeRAID-5i controller), integrated Ethernet
controller, and then PCI and PCI-X slots 1 through 6.
Note: To change the boot precedence for PCI and PCI-X devices, start the
Configuration/Setup Utility program and select Start Options from the
main menu (see “Starting the Configuration/Setup Utility program” on page
15).
v The Active PCI-X slots contain:
– Power-on LEDs
– Internal attention LEDs
– External attention LEDs
Chapter 4. Customer replaceable units
61