HP9831 operating manual
dan at ekoan.com
Fri Aug 26 16:22:56 CDT 2005
At 04:24 PM 8/26/05, you wrote:
>Anyway, while extracting an off-topic device, I came across a ring
>binder that I had labelled 'HP9831 Manual' Inside were the 2 volumes of
>user documentation for that machine -- the Operating/Programming Manual
>and the I/O Manual.
I have at least two other manuals for the 9831:
BASIC Reference (09831-90010)
System Test (09831-90031)
>[The HP9831 has similar hardware to the 9825, but has BASIC, not HPL, in ROM]
Yes, the ROM is removable, so you can interchange the BASIC and HPL
ROMs on the same hardware platform.
>1) There were 2 ROM modules made for the 9831 -- a Matrix/Plotter ROM
>(which came in 2 versions to support either the 9862 or 9872 plotters)
>and a Flexible Disk ROM. I have neither, alas. Has anyone ever seen them?
I have two of the Flexible Disc ROMs. You can see an image of one at
the bottom of the page at
>anyone know if the 9877 _definietly_ connected via a 98032 as well? Even
>better, does anyone know the wiring?
Not sure, but the System Test manual refers to a "9877A Chapter of
the Peripheral Control Manual." I haven't found that manual (yet).
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