Digital Equipment VAXstation 4000 90, Service Information

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Utilities,
Continued
SCSI Utilities The SCSI utilities are described in the next table.
Table 5–9 SCSI Utilities
Utility Function
SHOW DEVICE This is a console command that displays
information about the Ethernet controller and
the SCSI drives attached to the system.
Floppy Key This utility is used in Digital Services mode.
The key utility writes a key on block 0 of the
floppy media. The key is used by the System
test in Digital Services mode. If the key is
found on the media, the System test writes to
the media during the test. If the key is not
found during the System test, only reads are
done to the media.
Tape Key This utility is used in Digital Services mode.
The key utility writes a key at the beginning
of the tape media. The key is used by the
system test in Digital Services mode. If the
key is found on the media, the System Test
writes to the media. If the key is not found,
only reads are done to the media.
Hard Disk Erase This utility erases all data from a hard disk.
The pattern AA (hexadecimal) is written to
all bytes on the disk. Any bad blocks are
revectored.
Floppy
Formatter This utility formats a floppy disk and erases
it.
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