Search Result
4 expansions found
BASEboard
Manufacturer
Expansion Systems, USA
Date
1990
Amiga
A500
Interface
trapdoor slot, Gary socket
  • 32 DIP sockets accept up to 4 MB Fast RAM
  • supports 256k×4 DIPs
  • accepts DIPs in groups of four giving 0.5, 1, 1.5, 2, 2.5, 3, 3.5 and 4 MB configurations
  • expandable to 6 MB with the optional XRAMboard
  • the RAM board connects to the trapdoor slot
  • an adapter board connects to Gary's socket
  • battery backed up clock
Photos
Expansion Systems BASEboard - front side
front side
Driver / Installation Disk
Vintage Advert

Advert (AU)
1990-11

BASEboard 1200 Clock
Manufacturer
Expansion Systems, USA
Date
1993
Amiga
A1200
Interface
clock port
    clock
  • a simple battery backed up clock
  • connects to the internal clock port of the A1200
Photos
Expansion Systems BASEboard 1200 Clock - front side
front side
Expansion Systems BASEboard 1200 Clock - back side
back side

BASEboard 601
Manufacturer
Expansion Systems, USA
Date
1992
Amiga
A600
Interface
trapdoor slot
  • eight DIP sockets for 512 kB or 1 MB RAM
  • accepts 256k×4 DIPs in groups of four, 100 ns or faster
  • fits into the trapdoor connector
  • battery backed-up clock
  • disable jumper
Photos
Expansion Systems BASEboard 601 - front side
front side
Expansion Systems BASEboard 601 - back side
back side

BASEboard Plus 4
Manufacturer
Expansion Systems, USA
Date
1991
Amiga
A500+
Interface
trapdoor slot, Gary socket
  • 32 DIP sockets accept up to 4 MB RAM
  • 1 MB is configured as Chip RAM, 3 MB as Fast RAM
  • supports 256k×4 DIPs
  • accepts DIPs in groups of four giving 0.5, 1, 1.5, 2, 2.5, 3, 3.5 and 4 MB configurations
  • the RAM board connects to the trapdoor slot
  • an adapter board connects to Gary's socket