The SCSI hard disk subsystem System components and expansions
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8.1.4 SCSI platter for four 1-inch hard disk slide-in modules
The hot-replace SCSI platter connects up to four 1-inch hard disk slide-in module with the SCSI
controller and supports Ultra3 Wide SCSI (U160 SCSI).
SCSI ID3
SCSIID 1
SCSIID 0
SCSI ID2
1
4
2
3
1 = SCSI input (SCSI controller)
2 = Power supply
3 = Drive indicators
4 = SCA ports (hard disk carriers)
Each hard disk carrier is assigned to two drive indicators. The upper indicator (green) shows the
drive activity. The lower indicator (orange) shows a hard disk error. However, a hard disk error can
only be indicated when the drive is operated on a disk array controller.
The SCSI bus is terminated and the hot-replace control realized on the platter.