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Acorn Pocket Book

1989–1993 · pda

Specifications

Cpu: NEC V30H (8086-compatible)
Ram: max: 256 KB (fixed on this variant) · base: 256 KB
Ports: Serial (via optional link cable) · SSD memory pack slot
Battery: 2x AA batteries, user-replaceable, rated for tens of hours of use
Display: 240x80 monochrome LCD
Storage: base: Internal RAM disk (shared with system memory) · options: SSD (solid state disc) removable memory packs
Os Support: latest: EPOC, no later updates issued under the Acorn badge · shipped: EPOC (Psion's PDA OS), Acorn-branded software bundle

Upgrade paths

storage

SSD memory pack, capacity limited by era (typically up to 256 KB-1 MB packs) · Identical hardware to the Psion Series 3, rebadged by Acorn and marketed at schools rather than as an executive tool; the built-in Agenda app was dropped in favor of an optional floppy install.

varies (collector market)

EASY

battery

2x standard AA batteries · Swapped from a rear hatch, no disassembly needed.

~$2

EASY