11-26 Chapter 11
SCSI Peripherals and I/O Information
Default Jumper Settings = Term Power Disabled (no jumper)
Configuration Switches
Figure 11-7 shows the configuration switches located on the bottom of the C2478SZ in their default
positions.
Figure 11-7 C2478SZ Switch Diagram
Table 11-14 Configuration Switches (For Data Compression DDS-1 Tape Drives)
Table 11-15 Configuration Switch 3 (For Media Recognition System)
Switches 4 through 8 are used to specify drive connectivity and functionality according to host or
customer requirements (not used on this system). The default switch settings for the C2478SZ =
Switch 1 to 8 ON.
Switch 1 Switch 2 Meaning
Off Off Compression disabled, no host control
Off On Compression disabled, host is allowed to control compression
On Off Compression enabled, no host control
On On Compression enabled, with host control
Switch 3 Meaning
On The media recognition system is disabled. All DDS tapes will be treated the
same, whether they posses the media recognition stripes or not.
Off The media recognition system is enabled. Non-media recognition system tapes
are treated as if they are write protected.
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