Cabling An Optional Scsi Adapter - IBM xSeries 225 8647 Installation Manual

Cabling an optional SCSI adapter

You can install an optional SCSI adapter in your server to control the internal hard
disk drives. With a SCSI adapter installed, you can configure the internal hard disk
drives into disk arrays. 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 in your server and for additional information about SCSI
adapters.
Notes:
1. This information in this section does not apply to the ServeRAID-5i controller,
2. An optional SCSI adapter or cable option is required to connect external SCSI
Complete the following steps to cable an optional SCSI adapter:
1. Install the SCSI adapter (see "Installing an adapter" on page 14).
2. Connect the SCSI signal cable to the adapter and to one or more of the
3. Connect the SCSI-activity-indicator cable to the adapter and to the SCSI-LED
4. Complete the installation of the optional SCSI adapter.
which uses the integrated SCSI controller with RAID capabilities on the system
board.
devices.
signal-cable connectors to the rear of the SCSI devices.
connector (J18) on the system board. See "System-board internal connectors"
on page 3 for the location of the SCSI-LED connector.
Expansion-slot
cover
Rear adapter-
retaining
bracket
SCSI signal
cable connector
SCSI
signal
cable
SCSI
Adapter
SCSI activity
indicator cable
connector
Front adapter-
retaining bracket
SCSI
LED
SCSI
activity
indicator
cable
Chapter 2. Installing options
17