[Coco] Floppy Controller chips

Gene Heskett gheskett at wdtv.com
Mon Jul 22 19:31:16 EDT 2013


On Monday 22 July 2013 19:29:14 Arthur Flexser did opine:

> I seem to recall that the Fujitsu MB8877A disk controller chip was at
> least more or less compatible with the WD ones used in the CoCo, though
> I think there were some minor differences.  I know I used one for a
> while, though I don't remember what model controller I had at the time.
> 
> A quick google found a place that has used pulls for $12.50:
> 
> http://usedicchips.com/product/fujitsu-mb8877a-floppy-disk-controller-40
> -pin-socket-pull/
> 
> Art

Not a lot of use, I have a controller with the fujitsu chip in it, but its 
a 2793, the 2773 is a 28 pin chip IIRC.  Software compatible, but not 100% 
hardware.
 
> 
> On Mon, Jul 22, 2013 at 6:20 PM, Bruce W. Calkins
> <brucewcalkins at charter.net
> 
> > wrote:
> > 
> > Supplies for those were pretty much dried up 15-20 years ago.
> > Bruce W.
> > =====================
> > 
> > ----- Original Message ----- From: "Brian Goers"
> > 
> >  Are Floppy Controller Chips (WD1773) available? Or a suitable
> >  replacement?
> >  
> >> It's for a second controller that I have. Mine is still working.
> >> Thanks
> >> 
> >> --
> >> 
> >>  Brian Goers
> > 
> > --
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> > net/mailman/listinfo/coco>
> 
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Cheers, Gene
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