Bridgeboard Virt. Disks
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The article "The Great Pretender" in the April 1988 issue of AmigaWorld
covered the IBM bridgeboard's ability to share Amiga resources through the
JLINK command. There were two points that should be clarified.
First, the article stated that the command:
JLINK C: HD0:VDISK /C:1000
creates a hard disk of size 10 MB. The manual states that in using the
switch /C:N, N equals the number of Kilobytes, thus the switch should have
been /C:10000. I have used this command with the disk partitioned into two
Amiga sections. thus my command is:
JLINK C: P2:VDISK /C:10000
This worked fine for initializing the disk. However, after writing to the
hard disk, and rebooting and re-issuing the JLINK command:
JLINK C: P2:VDISK
I lost all the data I had written. The Author writes later in the article
that the JLINK command must also be used at the end of each session to unlink
the hard disk to avoid data corruption. This is a poor solution, since a
power outage could wipe out the contents of your IBM data.
I received information from Commodore regarding a better solution. The
solution is to fill up the entire Virtual hard disk by copying garbage to it.
I did this by creating a series of junk libraries and copying large files
into each one. Then unlink the Virtual drive. Next, reboot the system (for
good luck). Then delete the junk directories (first the contents, and then
RD the directories). This seems to make the VDISK file hold its form. After
doing this, there should be no need to unlink at the end of each session. /ex