> Image
Disk reads it with out errors
> 0/0: 300k DD 10 sectors of 512 bytes - G1:9 G2:17
> 0/1: Single sided
> 0/0: Single Step
> 800 sectors (800 data, 0 compressed, 0 unaval)
> Read complete
Heres is where I believe I missed the problem. The disks are not full
using Anadisk on the floppy, data ends at cylinder 28 and is
blank to the end. Anadisk can scan the whole disk with out errors.
with 800 data and no compressed some thing is wrong. If I understand
Image disk correctly.
This just doesn't make sense ... If there is no data past track 28,
ImageDisk could not possibly see 80 tracks worth of valid sectors.
What condition is your drive in? - This sounds like a drive which was
not stepping correctly - perhaps after fooling with it a bit it has
loosened up enough to step the whole disk.,
Ise the Analyse/test function in ImageDisk to scan for data on various
tracks past track 28 - watch the drive and make sure it's stepping
correctly.
I moved to another Image Disk machine (I have 6 now)
and its seems to
work fine. Although I believe the proof will be by trying them. The
new readings are (800 sectors, 472 data, 328 compressed, 0 Unavail)
and the Write works with out errors. The original IMD file size was
400k the new one is much smaller. I have writen these out on both
DD and HD media. both bulk erased first.
Ok - there is formatting past track 28 - but the fact that ImageDisk
saw all sectors as having data still makes me think your drive was
not stepping.
As noted in my previous message, you should not be using HD media.
Dave
--
dave06a (at) Dave Dunfield
dunfield (dot) Firmware development services & tools:
www.dunfield.com
com Collector of vintage computing equipment:
http://www.classiccmp.org/dunfield/index.html