Interesting finds; 1801, National Semiconductor RM-665, Grid,HPs..

From: Joe <rigdonj_at_intellistar.net>
Date: Sat Apr 22 08:07:46 2000

At 10:46 PM 4/21/00 -0400, you wrote:
>>I found a 1801A CPU! This is the predecessor to the COSMAC 1802. I never
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>Half cpu... The 1800/1801 were a pair that implemented alost an 1802.

   I was wondering if anyone would catch that. You're right, the 1801 is
only half of the processor. Do you know what the 1800 looked like? Is it
also the same size as the 1801? Now I'll have to look for the 1800 half.

   Joe


>
>>computer. The NS computer uses MultiBus cards and has an Intel 80/20 CPU
>>card with a 8080 CPU. It also has Analog Devices card with several D-A and
>>A-D devices on it. I've never heard of a National Semiconductor computer
>>before. Does anyone know anything about them? Mike also got a Motorola
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>National did the BLC80xx series if memory serves, decent intel compatable
>multibus. Slightly surprized to see a ISBC80/20 cpu as they nominally had
>National cards. I think I have the manual for the BLC80204 8080 card that
>was the national equivelent of the ISBC8020.
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>Allison
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Received on Sat Apr 22 2000 - 08:07:46 BST