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

From: Joe <>
Date: Fri Apr 21 22:38:00 2000

Hi All,

   Mike paid a visit from Jacksonville today and we had a llloonnggg day of
digging for computer relics. Mike found a Grid laptop and a NIB Grid MODEM.
I found a 1801A CPU! This is the predecessor to the COSMAC 1802. I never
expected to see one of these. I also found a HP 45 calculator, a HP 9816
computer, a pair of HP 9121 disk drives and a National Semiconductor RM-665
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
HDS-200 Hardware Developement system with the plug ins for a 6502 CPU. Does
anyone have any information about these?

Received on Fri Apr 21 2000 - 22:38:00 BST

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