CompuServe A-1455 Rev. 9; s/n 30490

UNKNOWN, presumed 8-way serial communications board

  • Location: quad spares
  • Manufactured: February 1987 (8707)
  • Documentation: NONE/UNKNOWN
  • Quad width
  • 22-bit bus support
  • Major board elements include:
    • Motorola 6809 8-bit CPU
    • Motorola 6840 Programmable Timer
    • MHS HM3-6116-5 2Kx8 CMOS SRAM (x8)
    • There are 8 unpopulated pads for DE9 connectors
Present Configuration Settings:
  • several unknown jumpers etched
  • none configurable with jumper blocks

Part of the Longmont pickup.