Here are the Tandy 600 specs

From: Kai Kaltenbach <kaikal_at_MICROSOFT.com>
Date: Thu Jun 19 12:20:35 1997

Tandy 600

Introduced:
  October 28, 1985
CPU:
  80C88
RAM:
  32K expandable to 224K in 96K increments
Display:
  Flip-up 80x16 LCD
Storage:
  Internal 3.5" 360K floppy
  (storage only, not bootable)
Ports:
  RS-232 and Centronics parallel
Bus:
  Proprietary for external floppy or "other peripherals"
  One option ROM socket (accessible by removing
    Multiplan) that holds BASIC or other ROMs
Power:
  AC adapter, and built-in NiCd batteries
Modem:
  Internal 300 baud
Operating System:
  Proprietary ROM
Applications:
  Built-in System Manager, Word, Calendar, File,
    Telcom and Multiplan
BASIC:
  Optional ROM cartridge
Keyboard:
  72-key

Pricing:
  Base system $1599
  BASIC ROM $129
  96K RAM upgrade $399
Received on Thu Jun 19 1997 - 12:20:35 BST