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Coleco Adam

1983–1985 · desktop

Specifications

Cpu: Zilog Z80A, 3.58 MHz
Gpu: TMS9928A, on motherboard, shared with the ColecoVision console it was built around
Ram: max: 64 KB standard, expandable via third-party memory expanders · base: 64 KB (80 KB total RAM, 64 KB user accessible, plus 16 KB video RAM)
Ports: ColecoVision cartridge slot · 2x controller ports · Printer port (dedicated daisy wheel printer, which also housed the system's main power supply) · Expansion port for Digital Data Pack drives · RF video out
Display: TMS9928A video display processor, 256x192 graphics, 40 column by 24 row text via SmartWriter word processor software
Storage: base: Built-in Digital Data Pack tape drive (proprietary high-speed cassette medium, up to 256 KB per cartridge) · options: Second Digital Data Pack drive · 5.25" floppy disk drive add-on (released 1984)
Os Support: latest: CP/M via third-party expansion, community-supported to this day · shipped: EOS (Elementary Operating System) with SmartWriter word processor and SmartBASIC in ROM
Release Price: $725

Upgrade paths

storage

Coleco's own 5.25" floppy disk drive add-on, released 1984 · Connected via the expansion port alongside the Digital Data Pack drives; well documented among ColecoVision/Adam collectors.

EASY