I have here an ADC-11 from Andromeda systems. The board contains a AD
converter
module from Datel systems Inc, and has 16 channels with a 12 bit
resolution.
It came from a working system, but there is no documentation. There is
however a
drawing on the top of the AD converter module which may all the info
needed.
Ed
Tom Leffingwell wrote:
>
> I think you're right. I borrowed a DZQ11 board from a friend, and
> I was able to set it to 770400. It returns 000000, but before it was in
> there, it would just give a ?, so I presumed I had the address set
> correctly. I tried to boot my program, and it gets right to the end of
> loading the program, and hangs, although the run light stays on. If I
> halt the system at this point, is there anything useful I can look at? I
> suppose if nothing else, I've learned that the program does indeed check
> for the presence of this module, and that I won't be able to fake it,
> unless there's some I'm missing here.
>
> Come to think of it, I left the vector address alone (I think at
> 300). Should I have changed that, too, or will it not make a difference
> since that board won't respond the same as the ADV11 anyway?
>
> Btw, the modules in the system will respond to both 18 and 22-bit
> addresses. Does that mean I'm 22-bit?
>
> Unfortunately, I'll have to cough up $350 for a half-broken
> ADV11-C, or a $750 for a working one, which I really don't want to do. I
> don't suppose anyone on this list has an ADV11-C (functional,
> half-functional, or not at all functional) that they wish to part with? :)
>
> Tom
>
> On Thu, 10 Jan 2002, Pete Turnbull wrote:
>
> > Ouch! Sorry, I can't think of anything else offhand. Besides, if the
> > software is checking for the presence of the board, it might write some
> > initialisation value to it and try to read its status back. That would
> > most likely fail if you had the wrong device at that address.
> >
> > --
> > Pete Peter Turnbull
> > Network Manager
> > University of York
> >
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Received on Fri Jan 11 2002 - 04:03:39 GMT