My first home computer was a Rockwell AIM-65 6502-based SBC, that I
bought used, and built a separate 22 pin card cage with homemade power
supply, wirewrapped 4K SRAM (2114), Real time clock, Serial port, and
printer port. I could never get a 6845-based video board to work so used
the 40 char LED line display. I used audio cassettes to save my assembly
and object code and also Basic programs. I dug it out of the shed 2
years ago, and sold the whole kit with all the manuals, FORTH ROM, a
second mouse-damaged AIM-65 and my homemade boards on Epay. Got $400 for
it, happy to part with that piece of history from 38 years ago.
My second PC was about 1982, when other engineers and I from work all
bought an XT clone from SuperComputers, 8 MHz blank board, then spent
about $1000 for all the silicon to populate it, soldered them ourselves.
We all got them working after hours, and I had an open frame
Wells-Gardner color monitor from an arcade game that I used with it.
Nuts and Volts was a monthly source of parts and ideas.
After this I stuck with various motherboard upgrades, 386, 486, Pentium,
until I finally quit building computers. RF is another story...
73
John K5PRO
On 1/6/17 8:30 AM, amps-request@contesting.com wrote:
Date: Fri, 6 Jan 2017 10:08:36 +0000
From: "Fuqua, Bill L" <wlfuqu00@uky.edu>
To: "Roger (K8RI)" <k8ri@rogerhalstead.com>, "amps@contesting.com"
<amps@contesting.com>
interesting.
I built my first computer in 1975 some boards wirewrapped others were home done
PCB a friend made for me, 6502 processor with a ascii parallel keyboard from
polypacks and
slow 2102 static ram and 1702 eprom. output device was a model 15 TTY printer.
32k ram 1k eprom and
a lot of clunking and chunking noises from the tty. RAM was quite expensive
then. I bought 1kB (8x2102) at a time.
73
Bill wa4lav
From: Amps [amps-bounces@contesting.com] on behalf of Roger (K8RI)
[k8ri@rogerhalstead.com]
Sent: Friday, January 06, 2017 2:45 AM
My first computer was an OSI running a 6502 @ 1 MHz, 48K of dynamic RAM
and dual 8" floppies. Cost $4,000 in 1980. (still have it - museums
want it)
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