Western Digital AC2540 Set the Drive Jumpers, Single Hard Drive Installation, To Install a Jumper

Figure 1. Jumper Settings for Western Digital Hard Drives

Set the Drive Jumpers

Western Digital is currently shipping hard drives with two types of connectors. Your hard drive may have either a 6-pin or a 10-pin connector. The first 6 pins on each of the jumper blocks are identical. The additional four pins on the 10-pin connector are reserved for future enhancements.

The Western Digital hard drive is factory set for single drive installation with a jumper in the neutral storage position (across pins 5-3). For standard jumper settings, see Figure 1 on page 2.

Single Hard Drive Installation

If installing the Western Digital hard drive as the only hard drive in your system, leave the jumper in the neutral storage position for possible future use. Jumpers are not required for single hard drive installations.

Dual Hard Drive Installation

If installing the Western Digital hard drive with an existing drive, you must use a jumper to designate which drive is the master (C:),

and which is the slave (D:). We recommend using the new Western Digital hard drive as the master.

If installing the Western Digital hard drive with a non-Western Digital hard drive, obtain jumper configuration information from your original drive manufacturer. Refer to the Troubleshooting section for the phone numbers of non-Western Digital hard drive manufacturers.

To designate the Western Digital hard drive as the master drive in a two-drive system, place the jumper on pins 5-6.

To designate the Western Digital hard drive as the slave drive in a two-drive system, place the jumper on pins 3-4.

To Install a Jumper

Carefully place the shunt over the two pins specified in Figure 1. Push the shunt into place until it is firmly seated against the base of the jumper block.

Note: The master/slave setting is determined by the jumper configura- tion, not by the order of the drive on the IDE cable.

79-850078-001 S0210 9-97 2