IBM 865741Y Hardware Maintenance Manual - Page 115

Power and signal cables, power cables, signal cables, ribbon cables, legacy

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Notes 1. Drives that are greater than 41.3 mm (1.6 in.) high cannot be installed. 2. Install removable media (diskettes, tapes, or CDs) drives in the accessible bays: bays 1, 2, 3, or 4. 3. If a 41.3 mm (1.6 in.) drive is installed in either bay 5 or bay 6, no drive can be installed in the other bay of the lower drive bracket. 4. To properly mount a 3.5-inch drive into bay 1 or 2 (5.25-inch bays), use a 3.5-inch conversion kit for a 5.25-inch bay. For more information, see your IBM reseller or IBM marketing representative. Power and signal cables: Your server uses cables to connect integrated drive electronics (IDE) and SCSI drives to the power supply and system board. The following cables are provided: Four-wire power cables connect most drives to the power supply. At the end of these cables are plastic connectors that attach to different drives; these connectors vary in size. Also, certain power cables attach to the system board. Flat signal cables for connecting SCSI, IDE, and diskette drives to the system board; signal cables are sometimes called ribbon cables. There are four ribbon signal cables that come with your server: - The wider signal cable has three connectors. One of these connectors is attached to the CD-ROM drive, one is a spare, and the third attaches to the primary IDE connector on the system board. - One of the narrower signal cables has two connectors. One of the connectors is attached to the diskette drive and the other is attached to the diskette-drive connector on the system board. - One 68-pin SCSI ribbon cable has five connectors. Use this cable to connect internal SCSI drives to the SCSI controller channel B connector on the system board. - One 68-pin SCSI ribbon cable has two connectors. One end is attached to the external SCSI connector on the back of the server. The other end is attached to the SCSI controller channel A connector on the system board. Attach external SCSI devices to the external SCSI connector on the back of the server. There is a 50-pin SCSI connector provided for connecting internal legacy SCSI devices. Your server does not come with a cable attached to this connector. Netfinity 8655 - Type 8655 107

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Notes
1.
Drives that are greater than 41.3
mm (1.6
in.)
high cannot be installed.
2.
Install removable media (diskettes, tapes, or
CDs) drives in the accessible bays:
bays 1, 2, 3,
or 4.
3.
If a 41.3
mm (1.6
in.) drive is installed in either
bay 5 or bay 6, no drive can be installed in the
other bay of the lower drive bracket.
4.
To properly mount a 3.5-inch drive into bay 1 or
2 (5.25-inch bays), use a 3.5-inch conversion kit
for a 5.25-inch bay.
For more information, see
your IBM reseller or IBM marketing
representative.
Power and signal cables:
Your server uses
cables to connect integrated drive electronics (IDE) and
SCSI drives to the power supply and system board.
The
following cables are provided:
±
Four-wire
power cables
connect most drives to the
power supply.
At the end of these cables are plastic
connectors that attach to different drives; these
connectors vary in size.
Also, certain power cables
attach to the system board.
±
Flat
signal cables
for connecting SCSI, IDE, and
diskette drives to the system board; signal cables are
sometimes called
ribbon cables
.
There are four
ribbon signal cables that come with your server:
–
The wider signal cable has three connectors.
One of these connectors is attached to the
CD-ROM drive, one is a spare, and the third
attaches to the primary IDE connector on the
system board.
–
One of the narrower signal cables has two
connectors.
One of the connectors is attached
to the diskette drive and the other is attached to
the diskette-drive connector on the system
board.
–
One 68-pin SCSI ribbon cable has five
connectors.
Use this cable to connect internal
SCSI drives to the SCSI controller channel B
connector on the system board.
–
One 68-pin SCSI ribbon cable has two
connectors.
One end is attached to the external
SCSI connector on the back of the server.
The
other end is attached to the SCSI controller
channel A connector on the system board.
Attach external SCSI devices to the external
SCSI connector on the back of the server.
There is a 50-pin SCSI connector provided for connecting
internal
legacy
SCSI devices.
Your server does not come
with a cable attached to this connector.
Netfinity 8655 - Type 8655
107