[time-nuts] GPIB Card
Didier Juges
didier at cox.net
Sun Oct 5 16:10:27 UTC 2008
The NEC 7210 was the industry standard GPIB chip for over 20 years, I still
have a few here. If you want the spec and can't find it, I probably have it
here somewhere.
Didier
> -----Original Message-----
> From: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Brian Kirby
> Sent: Saturday, October 04, 2008 11:40 PM
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] GPIB Card
>
> A friend has given me a GPIB card and neither of us know who made it.
>
> First its a standard ISA card and it has a GPIB female plug
> on the rear.
> No manufacturer or model number but there is a symbol of
> a tree on the rear (maybe paradise?) and beside is 6323706
> rev A 667523. Made in the USA and another number in a corner
> is 94V-0.
>
> On the chip side of the board it appears to have a NEC
> controller marked big letters D7210C little letters 8308PB.
> An assembly number of 6323705 rev A. Has another 20 other
> 74LSxx glue logic ICs...Card is about 4.5 inches by 4.25 inches.
>
> Has 5 set of berg pins, one set is A13, A14, next set is 2FX
> and IE, next set is computer IRQs 2 thru 7, then a
> DRQ1-DAC1-DRQ3-DAC3, then last set of DAC2 and DRO2.
>
> It had a 1.44 Mb floppy which suscessfully copied, three
> files; config.sys , DV488PC.sys, and LVDT.C
>
> Config.sys shows:
> BREAK=ON
> BUFFERS=20
> FILES=30
> LASTDRIVE=E
> SHELL=C:\DOS\COMMAND.COM /P /E:256
> DEVICE=C:\DOS\ANSI.SYS
> DEVICE=C:\VIPARSE.SYS
> INSTALL=C:\DOS\FASTOPEN.EXE C:=(50,25)
> DEVICE=C:\DV488PC.SYS
>
> LVDT.C is "C" code for
> for a program written by a NASA/MSFC employee for the
> calibration of Linear Displacement trunsducers...
>
> Does anybody in the list have an idea of who made the card ?
> I'm researching to see if it is still usable....
>
>
> Brian - KD4FM
>
>
>
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