User guide

How to Backup Single Virtual Drives on the Corvus Disk
1. Boot your computer system with the CP/M diskette, and thenrun
the correct CLINK program.
2. Load the Mirror program on the CORVUS UTILITIES VOL. 1
diskette in Drive
B: by typing MIRROR and pressing < RETURN>.
The screen
displays the Mirror menu:
3. Press B for Backup. The screen displays:
BACKUP ENTIRE CORVUS DISK (YIN) ? _
4. Press N for No. The screen now displays:
STARTING DISK BLOCK
# ? _
5. This starting disk block number is for an internal address of the
Corvus drive, which
is calculated in terms of 512-byte sectors
(four 128-byte sectors). See Table 1 below forthe correct starting
disk
block number. For example, on a 6 MB drive, the starting disk
block number for Drive D is 5908.
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