At 08:21 PM 8/27/03 -0500, you wrote:
>VP wrote....
>
>> You will need, however, the 82929A Programmable ROM drawer
>> (check http://www.series80.org/Manuals/HP82929A.pdf to see how
>> it looks like), to be able to use the ROM image on your 85.
>Argh, and I bet I won't have too much luck finding an 82929A module anywhere
>:(
>
>> Anyway, you may also get the Mass Storage ROM (manual at
>> http://www.series80.org/Manuals/HP85-MassStorage.pdf)
>> on eBay. This will allow the 85 to talk to 9121 3.5 inch drives which if
>I
>> am not mistaken will work with your 1631D analyzer.
>I'm hoping it would work with the 9122, which is what I want to get for my
>1631D. The only reason I'm hunting for 9122 instead of 9121, is I thought
>the floppy disks for the 9122 might be easier to find (they DO use different
>media right?)
Nope, they both use the standard 720K disks. I'm not sure but the 9122C
(emphasize C) might reguire 1.44Mb disk but it's a very different animal
than the 9122 D and S. 1.44 disks WILL NOT work in the 9121 and 9122D/S.
>
>> Some day I may finally produce the HP 85 ROM emulator, but the way things
>> are going, don't hold your breath :-(
>I saw note of that on your website. That would be soooooooo so nice to have
>an ROM emulator. Humm there can't be THAT much to the electronics inside the
>82929A.
Wanna bet!
Anyone have one they'll let me take apart and build a copy of?
I may.
Joe
>
>Jay West
Received on Thu Aug 28 2003 - 08:16:30 BST