IBM 6648 User Guide - Page 74

Power and signal cables for internal drives, Bay 1 - Max Height: 41.3 mm 1.6 in., Notes

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The following table describes some of the drives you can install in each bay and their height requirements. 1 Bay 1 - Max Height: 41.3 mm (1.6 in.) CD-ROM drive (standard in some models) 5.25-inch hard disk drive 2 Bay 2 - Max Height: 41.3 mm (1.6 in.) 5.25-inch hard disk drive 3.5-inch hard disk drive (requires a mounting bracket) CD-ROM drive DVD-ROM drive 3 Bay 3 - Max Height: 25.4 mm (1.0 in.) 3.5-inch hard disk drive (preinstalled) 4 Bay 4 - Max Height: 25.4 mm (1.0 in.) 3.5-inch diskette drive (preinstalled) Notes: 1. Drives that are greater than 41.3 mm (1.6 in.) high cannot be installed. 2. Install removable media (tapes or CDs) drives in the accessible bays: bays 1 or 2. Power and signal cables for internal drives Your computer uses cables to connect integrated drive electronics (IDE) drives to the power supply and to the system board. The following cables are provided: v 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. v Flat signal cables, also called ribbon cables, connect IDE and diskette drives to the system board. There are two sizes of ribbon signal cables that come with your computer: - The wider signal cable has two or three connectors. - If the cable has three connectors, one of these connectors is attached to the drive, one is a spare, and the third attaches to the primary or secondary IDE connector on the system board. - If the cable has two connectors, one of these connectors is attached to the hard disk drive, and the other attaches to the primary or secondary IDE connector on the system board. Notes: 1. If you want to add another device, and your computer does not come with a CD-ROM preinstalled, you will need a second signal cable with three connectors. You will need an 80-conductor ATA 66 signal cable if you are replacing the existing signal cable or adding 60 User Guide

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The following table describes some of the drives you can install in each bay
and their height requirements.
±
1
²
Bay 1 - Max Height: 41.3 mm (1.6 in.)
CD-ROM drive (standard in some models)
5.25-inch hard disk drive
±
2
²
Bay 2 - Max Height: 41.3 mm (1.6 in.)
5.25-inch hard disk drive 3.5-inch hard disk
drive (requires a mounting bracket)
CD-ROM drive DVD-ROM drive
±
3
²
Bay 3 - Max Height: 25.4 mm (1.0 in.)
3.5-inch hard disk drive (preinstalled)
±
4
²
Bay 4 - Max Height: 25.4 mm (1.0 in.)
3.5-inch diskette drive (preinstalled)
Notes:
1.
Drives that are greater than 41.3 mm (1.6 in.) high cannot be installed.
2.
Install removable media (tapes or CDs) drives in the accessible bays: bays 1
or 2.
Power and signal cables for internal drives
Your computer uses cables to connect integrated drive electronics (IDE) drives
to the power supply and to the system board. The following cables are
provided:
v
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.
v
Flat
signal cables
, also called
ribbon cables
, connect IDE and diskette drives to
the system board. There are two sizes of ribbon signal cables that come with
your computer:
–
The wider signal cable has two or three connectors.
-
If the cable has three connectors, one of these connectors is attached to
the drive, one is a spare, and the third attaches to the primary or
secondary IDE connector on the system board.
-
If the cable has two connectors, one of these connectors is attached to
the hard disk drive, and the other attaches to the primary or secondary
IDE connector on the system board.
Notes:
1.
If you want to add another device, and your computer does not
come with a CD-ROM preinstalled, you will need a second signal
cable with three connectors. You will need an 80-conductor ATA66
signal cable if you are replacing the existing signal cable or adding
60
User Guide