Psion Series 5

Specifications

Cpu

ARM710 (NEC CL-PS7110), 18 MHz

Ram

max: 16 MB (fixed at time of purchase, not user-upgradable) · base: 4 MB (also sold in 8 MB and 16 MB configurations)

Ports

Serial port · CompactFlash slot · IrDA infrared

Battery

2x AA alkaline cells, up to 35 hours, plus a CR2032 backup cell for memory retention

Display

640x240 half-VGA monochrome touchscreen, backlit, 16 greyscales

Storage

base: shared with RAM, no separate storage · options: CompactFlash expansion slot

Os Support

latest: EPOC Release 5 · shipped: EPOC Release 5 (32-bit)

Release Price

approx. £499 (8 MB model, UK launch, 1997)

Upgrade paths