Mounting the drive

4	Marathon 420sl Installation Guide, August 1995

1.Turn off the computer and remove the battery.

2.Put on a grounded wrist strap.

3.Open your computer case. See your system manual for instructions.

Caution. Opening the case may void your computer’s warranty.

4.Connect the 44-pin interface/power cable. Match pin 1 of the cable to pin 1 of the interface connectors on the drive and on the computer. Pin 1 is usually denoted by a stripe along one edge of the cable. The location of pin 1 on the drive interface connector is shown in Figure 1 on page 3. The cable should be no longer than 18 inches (0.457 meters).

Caution. The printed-circuit cables used in laptop computers are very delicate. Be careful not to tear them.

Mount the drive securely in the computer using M3X0.5 metric screws in the four bottom mounting holes or the four side mounting holes. You can mount the drive in any orientation. Be careful not to strain or crimp the interface/power cable.

Caution. To prevent damage to the drive:

∙Be careful not to bend the drive connector pins, especially when plugging the drive into a fixed connector.

∙Use mounting screws of the correct size and length.

∙Gently tighten the mounting screws—do not apply more than 3 inch-pounds of torque.

∙Do not insert mounting screws more than 0.15 inch.

Note. This drive meets industry-standard MCC mounting speci- fications. When installing this drive in a fixed-mounting