need help with an old ST-251 MFM drive...

From: Ethan Dicks <ethan_dicks_at_yahoo.com>
Date: Wed Jul 25 23:09:43 2001

--- Tony Duell <ard_at_p850ug1.demon.co.uk> wrote:
> >
> > > Two other ways to do it - 1) use Kermit on the serial port. Sure, 40Mb
> will
> > > take a while to squirt out of an 8250 serial chip (don't try rates much
>
> Of course it's easy enough to replace the 8250 with a 16550. Desolder the
> old chip and pop in the new one.

Or replace the I/O card, or, if you are lucky, it's a dual serial card
with the second chip empty or socketed. That used to be common when
serial cards were >$50 each.

> Any PC floppy controller will handle 720K disks. That's twice the
> capacity of the 360K ones of course, so it might be worth doing.

If you have media, yes. My Colt has one 720K and one 360K.

 
> Do the ZIP drivers run on an 8088? I thought that at least some versions
> didn't.

Never thought of a ZIP disk. Dunno if it'll work or not. All I have is
one internal IDE and one external SCSI. My housemates use the internal
drive to move files back and forth to the uni computer lab, and I occasionally
use the SCSI one to emergency-boot Macs (got System 7.5.3 on a ZIP).

-ethan



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Received on Wed Jul 25 2001 - 23:09:43 BST

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