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Some not necessarily rare, but interesting, machines I own

johnx993

Experienced Member
Joined
Oct 26, 2008
Messages
221
Location
Texas (mostly)
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Computers:

DEC:
PDP-8/e (restoration in progress)

MITS:
Altair 8800: 16K RAM, 8K ROM with 4K BASIC and custom monitor and demo routines,
Cromemco Dazzler, D/A card, and dual Cromemco joysticks
Altair 8800a: 48K RAM, Extended ROM BASIC, ACR
Altair 8800b: 60K RAM, Single 8" MITS floppy drive running Disk BASIC and CP/M, ACR
Altair 680: 17K RAM, VTL2 in ROM
Altair 680: 33K RAM, with custom contemporary 32K RAM card with battery backup, VTL-2 in ROM
Altair 680: 33K RAM (2x 16K RAM cards), ACR card, enhanced power supply

SWTPC:
6800-1: 24K RAM, MP-N, ACR-30
6800-2: 32K RAM, MF-68 running Percom MiniDos
S/09: 64K RAM, contemporary SD card interface running FLEX
CT-64: terminal
PR-40: printer

Processor Tech:
Sol-20: 48K RAM, Micropolis dual 5.25" floppies, dual Helios 8" floppies

IMSAI:
8080: Z80 CPU, 56K RAM, 8K ROM with custom monitor,
512K custom flash RAM card with sample software for demos
8080: Z80 CPU, 64K RAM, dual 8" floppies, one 30M ADES hard drive running ZSystem

Digital Group:
Z80system: 48K RAM, quad Phimon, Ham card, Vortrax card, full cases

Northstar:
Horizon: 48K RAM, dual 5.25" floppies runs N*DOS and CP/M, excellent wood

Osborne:
01A: Drive C Ramdisk, GoTek on drive B, external monitor
Executive: standard configuration

Non Linear Systems:
Kaypro 2x: standard configuration
Kaypro 10: added SWP copower 88 card

Heathkit:
ET-3400: with expansion chassis
H8: 16MHz Z80, 64K RAM with contemporary CF card interface running CP/M, H17 dual 5.25" floppies
Hero1: complete set with all docs and software

Netronics:
ElfII: Giant board, 8K RAM, Math/Basic board, custom routines on 2716, keyboard/video, cases

Hewlett Packard programmable calculators:
HP-9100B,9815,55,65,67,97,25C,29C,19C,41CX

Teletype:
ASR-33: switchable terminal for Altair 8800

IBM:
PS/2 model 30: smart terminal for all other machines



All functional with the exception of the PDP-8/e in progress.
The panel lamps work... so that's something :)
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There are some others, but they are either in the queue for restoration,
or will likely never be assembled. Mark-8 kit, Cromemco I, Altair kit, etc.
 
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