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View Full Version : Help Identify Computer Part OPUS PC Add-On Board



tavelwood
November 12th, 2013, 08:44 AM
I was hoping that someone can help me identify this computer part, what is its function what did it do ... I want to sell it on ebay so i am trying to find a value and good description
please view photos and give me some advise

1986 Opus ?

FCC id FTE4U32.32-4

thanks for your assistance

Tavelwood1592715928159291593015931

Al Kossow
November 12th, 2013, 08:50 AM
I was hoping that someone can help me identify this computer part, what is its function what did it do ... I want to sell it on ebay so i am trying to find a value and good description
please view photos and give me some advise

1986 Opus ?

thanks for your assistance

Tavelwood1592715928159291593015931


It is an Opus National 32016 coprocessor card that could run Unix.

tavelwood
November 12th, 2013, 08:52 AM
do you have any idea of its value as ebay has opus motherboards but nothing like this -- also what does a coprocessor card do?

Chuck(G)
November 12th, 2013, 09:21 AM
The NSC 32xxx line of CPUs is pretty much a forgotten backwater of computing. But the idea of the card was to run Unix (assuming that one has the distribution). There were similar cards for 68K, Z8K, Z80, etc. CPUs. The idea was to use the PC for I/O, but otherwise leave the heavy lifting to the added-on CPU.

The 32xxx found some application as an add on in a couple of systems; e.g. Acorn Archimedes and also embedded in some peripherals, such as laser printers and, I believe some of the Sequent systems.

The problem was that the silicon was very late (NSC originally targeted it for the same window as the Motorola 68000) and initial releases were very buggy. Give NSC's track record of bringing out microprocessors and then abandoning them a short time later, a lot of people making product decisions avoided the 32xxx series.

Too bad, because it was a very advanced architecture.