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Notes:
1. This cabling example does not apply to the ServeRAID-5i controller, which uses
the integrated SCSI controller with RAID capabilities on the system board.
2. An optional ServeRAID-5i controller can be installed only in PCI-X slot 4. Slot 4
is the only PCI-X slot that supports the ServeRAID-5i controller requirements.
3. Connections made to external SCSI devices will be asynchronous.
If you are connecting the adapter to any internal SCSI backplane or device, you will
need to purchase additional SCSI cables. Contact your IBM marketing
representative or reseller for additional information about the number and types of
cables that your server configuration requires.
Your server comes with one SCSI cable that can only be used with the integrated
SCSI controller with RAID capabilities that is on the system board. One end of this
SCSI cable is attached to the connector on the SCSI backplane, and the other end
is attached to the SCSI channel A connector on the system board. The SCSI
channel B connector on the system board is available for use, but the server does
not come with a cable attached to it.
The following procedure describes the cable routing that is necessary when you
install a ServeRAID controller other than ServeRAID-5i.
Notes:
1. See the documentation that comes with your adapter for any cabling
instructions.
2. Cable identifiers are printed on the cables that come with your server and
options. Use these identifiers to connect the cables to the correct connectors.
For example, the hard disk drive cables are labeled "HDD option."
Complete the following steps to cable the ServeRAID controller:
1. Determine the number of SCSI channels that you want to use on the
ServeRAID controller.
2. Review the information in "Installation guidelines" on page 45, "Handling
static-sensitive devices" on page 46, and "Safety information" on page 169.
3. Turn off the server and disconnect all power cords and external cables
("Turning off the server" on page 9); then, remove the server cover (see
"Removing the server left-side cover and bezel (tower model)" on page 55 or
"Removing the server top cover and bezel (rack configuration)" on page 57).
4. Lift the adapter-retention clip on top of the adapter-support bracket; then,
remove the full-length adapters.
5. Lift and remove the plastic dividers from PCI-X slots 5 and 6 by lifting the ends
of the dividers out of the adapter support bracket and tilting the dividers up out
of the server.
6. Disconnect internal cables as necessary, remove the air-baffle assembly, and
remove the adapter-support bracket from the server. For complete details, see
"Removing and installing the adapter-support bracket" on page 58.
Note: You must remove the air-baffle assembly whenever you remove the
adapter-support bracket.
7. Disconnect the internal SCSI cable from SCSI connector A (J44) or B (J51) on
the system board. See "System-board internal cable connectors" on page 49
for the location of the SCSI connectors.
Chapter 4. Customer replaceable units
67
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