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8-6

IBM Personal Computer User Guide

Removing and adding drives

Your computer has four drive bays to accommodate various types of drives.

See the section “Looking inside the system unit” on page 7-7 for the location and

description of the drive bays.

Identifying signal cable connectors

When you install a drive of any type, you must attach the signal cable (also called

the data cable) from the drive to a connector on the system board. The following

table identifies each connector on the system and the type of drive that uses the

connection. Note that the first two connectors are for IDE/ATA ATAPI drives (such as

hard disk drives and CD-ROM drives), while the third connector is for diskette

interface drives (such as diskette drives or tape drives).

If the machine type of your system is 2193, use the following illustration to identify

the signal cable connectors on your system board:

If the machine type of your system is 2194 or 6345, use the following illustration to

identify the signal cable connectors on your system board:

When attaching a drive signal cable to any of these connectors, take note of the pin

1 indicator (usually marked by colored stripes or dots) on the edge of the cable to

ensure it aligns with pin 1 on the connector.

System board connector Interface type Type of drive using the connector

Primary IDE –

IDE/ATA ATAPI Preferred location for the hard disk drives.

Secondary IDE –

IDE/ATA ATAPI Preferred location for a CD-ROM drive.

Diskette –

J14

Standard diskette Diskette and tape drives