Creating 5.25" floppies
cclist at sydex.com
Mon Aug 17 18:57:39 CDT 2015
On 08/17/2015 04:09 PM, Fred Cisin wrote:
> There are plenty of PCs that can run ImageDisk and/or Teledisk that
> CAN NOT do single density (FM). Neither of those pieces of software
> alter the hardware capabilities of the machine.
It's odd, but later PC floppy support is often better in the FM support
mode. For example, a Socket AM2 board is more likely to support FM
than, say, Socket 7 one.
ISA SCSI adapters with onboard floppy support are always a rich source
of good FDCs--in particular Future Domain, Ultrastor Adaptec and DTC and
others All tended to use an NSC DP8473 or a variation of it. That
means that you actually have 4-floppy support should you need it, albeit
with no BIOS support (which doesn't matter to TD, AD or IMD). I've
modified a couple of such controllers to support a third drive on a
single 34-conductor cable.
For whatever it's worth,
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