IBM PC 300GL

Drive specifications
The following table describes some of the drives you can install in each bay
and their height requirements.
Bay 1 - Max Height: 41.3 mm (1.6 in.) CD-ROM drive (standard
in some models)
5.25-inch hard disk drive
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)
Bay 3 - Max Height: 25.4 mm (1.0 in.) 3.5-inch diskette drive
(preinstalled)
Bay 4 - Max Height: 25.4 mm (1.0 in.) 3.5-inch hard disk 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 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, 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 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 IDE connector on the system board.
Chapter 6. Installing options 73