Amstrad PPC 640S

Amstrad introduced the PPC-640 in 1988 as a low-cost IBM-compatible portable. It weighed 22lbs. It ran on ten C batteries or mains power and offered a 320x200 flip-up monochrome screen.
The CPU was an Intel 8088, clocked at 4.77 MHz. It came with a "full" 640K of memory and included a 2400 bps modem.
  • NEC V30 @ 8Mhz
  • 1 - 720K FDD
  • 640K RAM
  • LCD Screen with MGA/CGA video connector. Optional external monitor available gets DC power supply from computer. Or you can use a regular Mono or CGA monitor and control video mode with built in DIP switch.
  • 101 key keyboard
  • 2 Serial Ports
  • 1 Parallel Port
  • Real time clock
  • Uses 10 "C" batteries or 12 volt AC adapter
  • Internal 2400 baud Modem w/standard telephone connection.
  • Software supplied with computer: MS-DOS 3.3 w/special Amstrad functions CrossTalk Mirror 11
  • Weight with carrying case, manuals, power supply and OEM disks is 22 lbs.
Our Serial No: 532-83604649
complete with manuals, software and carrying case

Date: 1988

This exhibit has a reference ID of CH1615. Please quote this reference ID in any communication with the Centre for Computing History.


Amstrad PPC 640S

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