4-24 Upgrading Your System
Hard Disk Drives
Your system supports a variety of SCSI hard disk drives. The SCSI drives must
use the industry standard 80-pin Single Connector Attachment (SCA) connector.
Contact your sales representative or dealer for a list of approved devices. The
internal hard disk drives are located in the SCSI Disk Drive Bays (A).
SCSI Disk Drive Bay Locations
If you are adding or removing a SCSI hard disk device, consider the following:
CAUTION
Do not hot swap a non-LVD-disk-drive into a LVD-disk-drive
only system for it may cause data corruption. The only way a
non-LVD-disk-drive can be used with an all LVD-disk-drive
system is by first powering down the system, installing the
non-LVD-disk-drive, and then powering the system back up.
Note: Installing a non-LVD-disk-drive into an all LVD-
disk-drive system causes all the drives to operate in the non-
LVD mode.
n The onboard SCSI controller supports single-ended drives. If a RAID
controller board is installed it supports Low Voltage Differential (LVD)
disks. The hard disk SCSI address assignment is:
Hard Disk SCSI Address Assignments
Bay Device SCSI ID Address
1 First 1.6 inch Hard Disk (Bottom) 0
2 Second 1.6 inch Hard Disk 1
3 Third 1.6 inch Hard Disk 2
4 Fourth 1.0 inch Hard Disk 3
5 Fifth 1.0 inch Hard Disk 4
6 Sixth 1.0 inch Hard Disk 5
7 Seventh 1.0 inch Hard Disk (Top) 6
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