jan 1, 1977 - TRS 80 MODEL I

Description:

Manufacturer Tandy Radio Shack; Type Home Computer; Origin U.S.A.; Built in lane Basic Level 1 (4k ROM models); Basic Level II (12k ROM models); Keyboard Full-stroke keyboard, 53 Keys, optional numeric keypad; CPU Zilog Z80; Speed 1.77 MHz; Co-processor ; RAM 4 kb / 16 kb depending on models (up to 48 kb); VRAM 1 kb; ROM 4 kb (Basic Level 1) or 12kb (Basic Level 2); Text mode 32 x 16, 64 x 16; Graphic 128 x 48; Colors monochrome; Sound None; Size/Weight ; I/O ports Monitor, cassette interface, expansion port; Built-in media ; OS TRS DOS - NEW DOS; Power supply ; Periphericals ; Price #26-1003 : Model I, Level I, 16K = 700 (France,81); #26-1004 : Model I, Level II, 4K = 640 r (France,81); #26-1006 : Model I, Level II, 16K = $1099

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