IBM eServer xSeries 226Type 8648, Option Installation Manual

Page: 45 / 76

Cabling an optional SCSI adapter
If your server model supports internal SCSI hard disk drives, you can install an
optional SCSI adapter to control them. With a SCSI adapter installed, you can
configure the internal hard disk drives into disk arrays that use higher levels of
RAID functionality than the integrated SCSI controller. You can also cable a SCSI
adapter to external hard disk drives. See your SCSI adapter option documentation
for complete instructions for installing a SCSI adapter and for additional information
about SCSI adapters.
Notes:
1. This information in this section does not apply to the ServeRAID 6i+ adapter,
which uses the integrated SCSI controller with RAID capabilities on the system
board.
2. If your server model supports internal SATA hard disk drives, installing an
optional SCSI adapter enables you to add external SCSI tape drives to the
server. The information in this section does not apply to a SCSI adapter that will
be used to add external SCSI tape drives.
3. An optional SCSI adapter or cable option is required to connect external SCSI
devices.
Complete the following steps to cable an optional SCSI adapter:
1. Install the SCSI adapter (see “Installing an adapter” on page 29).
2. Connect the SCSI signal cable to the adapter and to one or more of the
signal-cable connectors on the rear of the SCSI devices.
3. Connect the SCSI-activity-indicator cable to the adapter and to the SCSI LED
connector (JSCSI) on the system board. See “System-board internal
connectors” on page 3 for the location of the SCSI LED connector.
Rear adapter-
retaining
bracket
Front adapter-
bracket retaining
Expansion-slot
cover
SCSI
LED connector
SCSI signal
cable connector
SCSI activity
indicator cable
connector
SCSI
signal
cable
SCSI adapter
4. Complete the installation of the optional SCSI adapter.
Chapter 2. Installing options
33