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CD-ROM drive—Location 7
Floppy disk drive—Location 6
Add-on drive—Location 4
Add-on drive—Location 3
Add-on drive—Location 2
System drive—Location 1
Add-on drive—Location 5
See Chapter 2, “Servicing the System,” to install a memory upgrade.
Adding External SCSI Drives
You can add single-ended external SCSI drives to the system by connecting them to an
optional SCSI adapter. See the section, “Adding Expansion Cards,” above for details.
SCSI Cable Length Guidelines
The number of drives and length of the cables used to connect the drives is a factor when
using SCSI-1, Fast SCSI (SCSI-2), Ultra SCSI, and Wide Ultra SCSI drives. Fast SCSI,
Ultra SCSI, and Wide Ultra SCSI impose shorter cable restrictions than SCSI-1. The total
length of the SCSI cabling must not exceed the following:
Drives
SCSI-1 Fast SCSI-2 Ultra SCSI Wide Ultra SCSI
1 to 4 19.8 ft
(6 meters)
9.9 ft
(3 meters)
9.9 ft
(3 meters)
9.9 ft
(3 meters)
5 to 7 9.9 ft
(3 meters)
9.9 ft
(3 meters)
4.5 ft
(1.5 meters)
4.5 ft
(1.5 meters)
NOTE The SCSI adapter counts as one device.
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