Power Computing Power 100, User Manual

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Upgrading Your Computer
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Power 100/120 User Guide
31
2.
Set SCSI ID
Following the instructions which came with your device, set its SCSI ID. Replacement
drives provided by Power will normally come with SCSI ID pre-set to 0 for the primary
hard drive and 3 for a CD-ROM.
Each device in a SCSI chain requires a unique number called a SCSI ID, which the
computer uses to identify the device. In the internal bus, the computer itself is assigned
SCSI ID 7 and the primary internal hard disk is assigned SCSI ID 0. Every other device
you install must have a unique number from 1 to 6. (The internal CD-ROM drive, if
installed, is assigned SCSI ID 3.)
To determine what SCSI IDs have already been assigned to which devices, go to the
Hard Disk Toolkitª PE
folder in the
Utilities
folder on your hard disk and run
HDT
Primerª PE
. HDT Primer will scan your SCSI bus and display the SCSI ID, name, and
other parameters of all of the SCSI devices on the bus (see example below).
Since your computer has two SCSI buses, one internal and the other external, make sure
to scan the
internal one by selecting Bus 0: Apple [Internal] under HDT PrimerÕs
SCSI Bus
menu. For details on HDT Primer, see ÒLaunching HDT Primer PE,Ó starting
on page 92.
3.
Install a 3.5 inch drive in a 3.5 to 5.25 inch adapter tray
Since the internal drive bays are designed to accommodate 5.25 inch drives, if you are
installing a 3.5 inch drive, you will need to mount it in a 3.5 to 5.25 inch adapter tray. 3.5
to 5.25 inch adapter trays are available at most computer parts stores.
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