Service manual

Chapter 3 Operation 3-3

Note – Before you substitute a different type of device (DVD to DDS4, for example)

in the left or right drive location, be sure to power off the media tray. After you

change the device type, power on the unit.

Note – Target numbers t2 and t3 are unavailable for use on the Media Tray SCSI

Bus.

3.2 Bus Configuration

Note – In the following diagram, the letter “t” indicates a drive. The number

following this letter is the SCSI target address IDs (also shown in

TABLE 3-1 and

TABLE 3-2). The physical mounting locations shown in this diagram correspond to the

details in FIGURE 3-1. The bold bars show how split bus devices are configured.

FIGURE 3-2 Four Drives Configuration

3.2.1 Configuration Switch

The media tray has a two-position configuration switch on its back panel.

■ In the left position, the switch is set for split bus configuration and the LED to the

left of the switch will be lit.

■ In the right position, the switch is set for full bus configuration and the LED to the

right of the switch will be lit.

FIGURE 3-3, the switch is shown set in the right position for full bus configuration.

Full bus Split bus