Considerations
Bay A comes with one 3.5-inch, 1.44MB diskette drive in A2 and a CD-ROM in A1.
Bay B supports two 5.25-inch, or 3.5 inch half-high, removable-media devices.
Bay B also supports a disk drive in a special carrier when bays C, D, and E are
configured with SSA disk drives or SCSI RAID disk drives.
You cannot install hot-swappable drives in bays A or B.
Banks C, D, and E can accommodate six slim-high drives or three half-high drives, or
a combination of both drive sizes. If you use a combination, remember that one
half-high drive uses the equivalent space of two slim-high drives.
Your system supports eighteen 3.5-inch, slim-high (1.0 inch), disk drives or nine
3.5-inch, half-high (1.6 inch) disk drives in the bottom three banks (C, D, and E) or a
combination of slim and half-high drives.
Before installing disk drives in bank D and E, you must order disk drive backplanes
for bank D and E. Depending on your configuration, you may need to order and
install up to two additional SCSI-2 adapters. The internal Ultra SCSI option is
supported in backplanes C, D, and E and requires one Ultra SCSI adapter per bank.
The internal Serial Storage Architecture (SSA) option is supported in backplanes C,
D, and E and requires one SSA adapter that supports all three banks. To order,
contact your authorized reseller or marketing representative.)
Hot Swap Drives
The hot-swap backplane contains logic that allows you to remove disk drives without
turning off system power. The base system has a hot-swap backplane installed in
bank C. You can install six hot-swappable disk drives into the bays in bank C. You
can order additional hot-swap backplanes for banks D and E. Banks C, D, and E
each contain six bays. You can install up to six disk drives in bank C, bank D, or
bank E.
Attention: Proper procedures must be followed whenever you remove a disk drive.
Hot swap capability is available only with hot swap backplanes, and hot swap
carriers for the disk drive.
5-42
IBM RS/6000 7025 F50 Series User's Guide
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