TRS-80 Mod. I, 1977

Weller Computer Collection: Tandy TRS-80 Mod I. Copyright: Computer History Online www.weller.to

TRS-80 Mod. II

Weller Computer Collection: Tandy TRS-80 Mod II. Copyright: Computer History Online www.weller.to

TRS-80 Mod. III

Weller Computer Collection: Tandy TRS-80 Mod III. Copyright: Computer History Online www.weller.to

TRS-80 Mod. IV, 1983

TRS-80 Modell IV, 1983 Z80A, 4 MHz, 16 *64 characters and 24*80 characters. The standard operating system TRSDOS 6.0 uses free RAM as ramdisk or printer spooler. Alternatively CP/M Plus from Digital Research. There is a 16 KByte-system with cassette-recorder (complete 999$), and a 64 KByte-system with 1 or 2 floppy disk drives. The cassette format is compatible with TRS Modell 100. First shown by Tandy on the NCC 4/83.

TRS-80 Mod. 100

Weller Computer Collection: Tandy TRS-80 Mod 100. Copyright: Computer History Online www.weller.to

TRS-80 Mod 200

Weller Computer Collection: Tandy TRS-80 Mod 200. Copyright: Computer History Online www.weller.to