Figure 11-19 A3542A Switch Settings; Table 11-22 Configuration Switches (For Data Compression Dd-3 Tape Drives); Table 11-23 Configuration Switch 3 (For Media Recognition System) - HP 9000 Series Service Manual

Configuration Switches
Figure 11-19 shows the configuration switches located on the bottom of the A3542A in their default
positions.

Figure 11-19 A3542A Switch Settings

Table 11-22 Configuration Switches (For Data Compression DD-3 Tape Drives)

Switch 1
Off Off
Off On
On Off
On On

Table 11-23 Configuration Switch 3 (For Media Recognition System)

Switch 3
On Media Recognition System is disabled. All DDS tapes will be treated the same,
whether they posses the media recognition stripes or not.
Off Media Recognition System is enabled. Non-media recognition system tapes are
treated as if they are write protected (Default setting).
Switches 4 through 8 are used to specify drive connectivity and functionality according to host or
customer requirements (not used on this system).
Default switch setting = Switch 3 Off, all others On.
Chapter 11
Switch 2
Compression disabled, no host control
Compression disabled, the host is allowed to control
compression
Compression enabled, no host control
Compression enabled, with host control
SCSI Peripherals and I/O Information
Meaning
Meaning
11- 45