wkt at henry.cs.adfa.oz.au
Fri Sep 12 09:31:22 AEST 1997
I had an idea about bootstrapping images into PDP-11s, please shoot
it down! Ok, I don't know much about the -11 hardware, how hard would it
be to bootstrap as follows:
hand-toggle in a small bit of code, which
sucks in a bigger bootstrap over a serial line, which
then can pull in a disk image over the serial line & write to disk
Flaws: need different bootstraps for different disks
need different bootstraps for different serial hardware
how to deal with bad blocks?
Other problems: 5th, 6th Edition came as RK05 images. We could probably
build images for different drives.
7th Edition did a mkfs during installation, but I don't know if
bad blocks were ever dealt with.
Anyway, this solution would allow a simple program + disk images to be
put on your nearby PC running Linux/whatever, so no tapes or tape drives
would be required.
I've used this method on another hardware platform to move disk images
in/out. It is slow, but it works.
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