This is a bit off the topic, but does anyone know if the UDC
(630-4525) can handle a Macintosh HD20 (the old type with the 19 pin
connector)?
It would make a great way to add a HD to a IIe. The card I have has a
341-0438 ROM, but I cant find any ref to the HD20 in it.
any info would be great.

regards,
Steve.





On Feb 28, 10:05=A0am, "Warren 'Llama' Ernst"
 wrote:
> On Feb 27, 2:20=A0pm, Steven Hirsch  wrote:
>
>
>
>
>
> > AppleCPM wrote:
> > > Hi, y'all!
>
> > > =A0 =A0 As long as we're discussing the UDC, I thought I'd see if I c=
ould
> > > clear up some of my confusion about the card. =A0I've had one for qui=
te
> > > some time but have been reluctant to test it because I don't know wha=
t
> > > drives can be connected to it. =A0I did just visit the A2Wiki and see
> > > that I can't use it with a 3.5 inch Unidisk drive. =A0My understandin=
g
> > > is that you can use up to four drives with the card and that they can
> > > be either 5.25 inch or 3.5 inch drives. =A0Do they need to be in any
> > > particular order? =A0Will a 1.44 MB drive work with the card? =A0How =
about
> > > early Mac drives like the M0130 (I think that's the model number)?
>
> > There are two firmware versions that I'm aware of. =A0One of them suppo=
rts the
> > Unidisk 3.5 and the other supports the newer 3.5" drive (no internal
> > controller). =A0They are mutually exclusive.
>
> And one of the firmwares definitely supports the single-sided 400k 3.5
> inch Mac drives. I can remember the early ads for the UDC suggesting
> you could get these now abandoned drives for a song and then use them
> with your Apple II.
>
> -Warr- Hide quoted text -
>
> - Show quoted text -
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