13 Feb
1999
13 Feb
'99
1:33 p.m.
On Sat, 13 Feb 1999, Zane H. Healy wrote:
I was out doing a little junking and ran across a
interesting little ROM
Pack. It is a Tektronix "4052 Character and Symbol" pack (C) 1981. Am I
correct in assuming that it is for a Tek terminal?
No, not a terminal but the second generation of the MC6800 based 4051
micro-computer that Tek marketed in the mid/latter '70s. The 4052 used
bit slice technology in lieu of the MC6800. The 405x series had a
backpack that would accomodate two ROM Packs, and a 'toaster' was an
optional accessory for those who needed more capacity.
I also found two very interesting floppy disks, I
think I reconginze them,
but can't remember the name of the computer I think they go to. They're
Amsoft CF-2 Compact Floppy disc's. They're double sided for single sided
floppy disk drives. They measure 3 9/10" x 3 1/10" x 1/5". Both are in
protective hard plastic cases and the one is still in the shrink wrap!
Amstrad PCW series used those, as well as Amdek drives that were sold for
some of the early micros over here.
- don
Then there were a few Tandy cartridges, and a TI-99/4A
"Terminal Emulator
2" cartride that I picked up at the same place.
At my favorite book store I got a couple cool books "Machine and Assembly
Language programming of the PDP-11", and "Studies in Operating Systems".
The OS book looks to be fascinating as it was published in 1976 and has
sections on the Burroughs B5500 Master Control Program, CDC Scope 3.2,
T.H.E. Multiprogramming System, and the TITAN Supervisor.
I didn't find any computers really, just a TRS-80 that was only part there,
and a lot of PC clones. Nothing worth bringing home.
Zane
| Zane H. Healy | UNIX Systems Adminstrator |
| healyzh(a)aracnet.com (primary) | Linux Enthusiast |
| healyzh(a)holonet.net (alternate) | Classic Computer Collector |
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