3.5" Altair CP/M

[Glen Slick]

On 5/15/07, Grant Stockly <grant at stockly.com> wrote:
> I have a tarbell floppy controller card that has been rewired to access
> 3.5" disks using a standard PC 3.5" disk drive.  I have 3 disks that the
> Altair can boot off of and read, but my windows computer can't do anything
> with them.  I've tried rawread.exe and diskinfo.exe and they both choke on
> the disk.  I assumed that if a disk could be written with the standard 3.5"
> disk drive on the tarbell card then it should also be read on the same
> drive connected to a modern IBM compatible.
>

Are you using a 1771 based SD Tarbell card, or a 1791/1793 based DD
Tarbell card?  That might make a difference.