Flex Disc options for the HP 9825

curiousmarc3 at gmail.com curiousmarc3 at gmail.com
Fri Aug 12 03:30:43 CDT 2016


I got the HP 9885 single sided disk unit that was at Weird Stuff, thanks for the heads up! Now I just need a parallel interface for the 9825, a cable, the right 8" diskettes, and get my HP-IB 9895 to work... That's a lot of stars to align but that should be fun to try.
Marc

> On Jul 24, 2016, at 3:30 AM, David Collins <davidk.collins at bigpond.com> wrote:
> 
> Guys, I've looked for a 98228A ROM in the HP Computer Museum but haven't
> been able to find one - but it looks like we've had one at some stage
> judging by the photo. 
> 
> If I come across it I'll come back to you. 
> 
> David Collins 
> Curator
> 
> 
> -----Original Message-----
> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of CuriousMarc
> Sent: Saturday, 23 July 2016 5:40 PM
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> <cctalk at classiccmp.org>
> Subject: RE: Flex Disc options for the HP 9825
> 
> Thanks, I didn't know, I grabbed the image. That offers a path if I can ever
> get an 9885 and single sides 8" discs...
> Marc
> 
>> -----Original Message-----
>> From: cctalk [mailto:cctalk-bounces at classiccmp.org] On Behalf Of Paul 
>> Berger On the hpmuseum.net page for the 98217A ROM here is an image of 
>> what is reputed to be an initialized diskette for use with 9825 and 
>> 98217A http://www.hpmuseum.net/display_item.php?hw=166. When I get my 
>> 9825T I will look into 9885 emulation, I don't think it will be too
> difficult but
>> you may still need a GPIO unless I build the whole thing onto a 
>> plug-in card I don't think the GPIO would be too difficult to clone.
>> But ideally I would still like to get access to a 98228A ROM to dump 
>> and
> clone
>> it, even though it is bank switched it should still be possible.
>> 
>> Paul.
> 
> 


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