ATonce Plus
Company
Vortex, Germany
Date
1991
Amiga
A500, A2000
Interface
68000 socket
    IBM AT emulation
  • N80C286 @ 16 MHz
  • optional P80C287 FPU
  • plugs into 68000 socket - the 68000 is replaced onto the board
  • a special double socket has to be put under the Gary chip
  • 512 kB RAM on board, can use Amiga RAM if needed
  • Amiga Fast RAM can be used as extended memory up to 8 MB
  • video emulation
    • CGA mode 0 (40*25, 16 colours)
    • CGA mode 1 (40*25, 16 colours)
    • CGA mode 2 (40*25, 16 colours)
    • CGA mode 3 (80*25, 16 colours)
    • CGA mode 4/5 (320*200, 4 colours)
    • CGA mode 6 (640*200, 2 colours)
    • MDA (80*25, 2 colours)
    • Hercules (720*348, 2 colours)
    • T3100 (640*400 interlaced, 2 colours)
    • Olivetti (640*400 interlaced, 2 colours)
    • EGA monochrome (640*350, 2 colours)
    • VGA monochrome (640*480 interlaced, 2 colours)
  • supports Amiga hard disk controllers
  • printer support, RS232 support - ATonce or Amiga exclusive
  • PC beeper emulation
  • operates under AmigaDOS so it can run MSDOS and AmigaDOS programs concurrently
  • has got problems with many expansions (especially processor cards and memory expansions)
  • with Rev 2.2 partitions greater than 32 MB are unusable and the clock is wrong - Rev 2.23 fixes this bug)
Photos
Vortex ATonce Plus - front side
front side
Vortex ATonce Plus - back side
back side
Driver / Installation Disk
Vintage Advert

Advert (US)
1992-05

Advert (DE)
1991-11

Advert (US)
1992-01

Advert (DE)
1992-04

Advert (US)
1992-12