IBM RS/6000 - Manual (Page 66)

Hot-Swap Disk Drive Carrier
The hot-swap SCSI disk drive carrier is a tray with built-in SCSI connectors that
provide the interface between an industry standard SCSI 16-bit or 8-bit disk
drive and the 80-pin backplane connector.
The carrier includes two LEDs. One of the LEDs is used to indicate the status
of the disk drive, and the other one is the power LED indicator for the carrier.
Carriers are available for two drive types: narrow (half-height) and wide
(full-height). The narrow carrier has a 50-pin drive connector. The wide carrier
has a 68-pin drive connector. Both narrow and wide carriers have the same
connector at the rear of the hot-swappable carrier. The different carriers,
therefore, can be installed into the same backplane card.
Disk Drive
The following IBM disk drives have been tested within this environment:
– 1080 MB SCSI-2 disk drive:
– 1.1 GB SCSI-2 Fast/Wide disk drive
– 2.2 GB SCSI-2 Fast/Wide disk drive
– 4.5 GB SCSI-2 Fast/Wide disk drive
The hot-swap subsystem additionally requires a power source and a SCSI-2
Fast/Wide SE adapter. The first backplane is connected to the first power supply
and to the integrated SCSI-2 Fast/Wide. Additional backplanes will be connected
to an additional SCSI-2 Fast/Wide PCI adapter and obtain their power from the
second power supply.
3.1.1 Backplanes
The F30 can accommodate up to three backplanes each of which can
accommodate a maximum of six hot-swappable disks. The first backplane is
installed in bank C (as shown in Figure 12 on page 43) and is supplied with the
F30 as standard.
42 Introduction to PCI-Based RS/6000 Servers