Eureka!

From: Dan Cohoe <dancohoe_at_oxford.net>
Date: Sun Feb 9 16:02:00 2003

Here's what my manual says about jumpers for the 98032A:

Jumper Function (when Installed)
____________________________________________________________________________
________

        1 Indicates input data lines are positive -true
        2 Indicates output data lines are positive -true
        3 Inverts PCTL to high=set, low=clear
        4 Inverts PFLG to high =ready, low=busy
        5 Inverts PSTS to high=not OK, low=OK
        6 Set for pulse-mode handshake
        7 Required for DMA transfers
     /8 Clock high input byte when PLFG goes from ready to busy
    *-9 Clock high input byte when PLFG goes from busy to ready
     \A Clock high input byte on R6-IN operation
        B Select words (16 bit) input mode
     /C Clock low input byte on R4-IN operation
    *-D Clock low input byte when PLFG goes from ready to busy
     \E Clock low input byte when PLFG goes from busy to ready
        F Select words (16 bit) output mode

        * Select only one of these three

This comes from a manual called: Interfacing Concepts and the 9825A (part
number 09825-90060)

If you need more of the 98032A details from this book, I could scan the
section.

......I just found the actual 98032A Installation and service
manual(98032-90000). Given a couple of days, I could scan it and send it to
someone to put up on a site. Its 45 pages long. I have no resources here to
do anything except get the scanning done and email the files to someone else

Dan Cohoe





> -----Original Message-----
> From: cctalk-admin_at_classiccmp.org
> [mailto:cctalk-admin_at_classiccmp.org]On
> Behalf Of Tony Duell
> Sent: Sunday, February 09, 2003 1:46 PM
> To: cctalk_at_classiccmp.org
> Subject: Re: Eureka!
>
>
> > Well I didn't find the Holy Grail but this is close! I went to a
> > hamfest today and in a box of junk I found the operating
> program for the
> > HP 9877 Mass Memory unit! That's the box that has up to four tape
>
> Well done...
>
> > drives installed and was used to mass duplicate HP 9825
> tapes at the HP
>
> FWIW, the 9877 contains a small PSU (based, IIRC, on the 9825
> PSU), 1-4
> tape drives, the same number of controller cards (electrically and
> mechanically idendentical to the one in the 9825) and a
> little interface
> PCB. The last is the only part that's really 'custom' for the 9877.
>
> I assume it connects to the 9825 using a 98032 16 bit
> interface. Do you
> (or anoyne else) have the wiring for the cable and the
> jumpers for the
> 98032? That's something else I've not managed to find (98032s I have,
> plenty of them).
>
> [...]
>
> > program for it till now. The tape APPEARS to be in good
> condition but
> > you know how HP tapes are :-(
>
> If it is readable, can the 9877 be used to duplicate it?
>
> -tony
Received on Sun Feb 09 2003 - 16:02:00 GMT