Fred Jan Kraan
fjkraan at xs4all.nl
Fri Jul 3 03:37:30 CDT 2015
On 2015-07-02 02:36 PM, tony duell <ard at p850ug1.demon.co.uk> wrote:
>> > I share your favourite(s). In the danish IT-museum-to-be (www.datamuseum.dk) we have two
>> > P857-based systems running. We have lots of spare parts and nearly all documentation, so
>> > if you need something, you are welcome to ask.
> Unfortunately I don't own anything in that series :-(. What I have is :
> P850 in the 6U rack box. I have the CPU technical manual and user manuals for it.
> P851 in card cage with quite a bit of I/O and twin 8" floppies. I have the user manual, CPU and I/O
> technical manuals and manuals for the floppy drive unit, including the CDC manual for the drives themselves
> P854 in cardcage with floppy drives and hard disk controller. Alas the X1215 hard disk was scrapped before
> I got it. I have a preliminary CPU technical manual, and of course I/O boards are the same as the P851 ones.
> Quite a few spare boards including complete P851 and P854 CPU board sets, I/O, RAM, extender board,
> prototyping boards (some have been used, I think I even have a brand new one), a single-chip P800 CPU,
> and so on.
> The manuals I am looking for (some hope!) are :
> The full P854 CPU technical manual (the one I have does not include the microcode source, that is 'to be
> Information on the hard disk controller for the X1215 in the P854 chassis. This is one eurocard with
> an 8X305 or something on it. I have some handwritten notes + a block diagram nothing more.
> P850 Core memory module technical manual
> P850/855 series I/O board technical manuals.
> It is possible I could get the manuals I have scanned if there is any serious interest
There are some manuals online, but those are from the software side:
> P850 I/O board technical manuals
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