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Amiga Technical References

Amiga 500 Series Technical Information
     
KICKSTARTS:
 1.2
 1.3
 2.04

ROM chip was a 40-pin DIP.

CPU:
 68000 at 7.14MHz

FPU:
 none

CHIPS:
 Denise - 8362 Denise
 Paula  - Standard Paula
 Agnus  - 8370 for REV3 and 5 Motherboard
          8372A in REV6 Motherboard
          8375 in REV7 Motherboard (500+)
 Gary   - Fat Gary

RAM:
 CHIP RAM 512k on motherboard
          512k in trapdoor expansion can be converted to CHIP RAM by
          modification.
 FAST RAM none shipped with machine.
          The 512k expansion in the trapdoor configures as FAST RAM
          but only runs as fast as CHIP RAM due to the bus limitation.
          Maximum autoconfigging RAM in this slot is 2.3 MEG.

PORTS:
 15KHz Video
 External Disk drive
 Parallel Port
 Serial Port
 Mouse/Joystick ports
 5-pin Square DIN Power Port
 Left and Right RCA Audio

SLOTS:
 1  86-pin external expansion slot on the left for hard-drives, RAM
    expansion, digitizers, etc.
 1  Trapdoor RAM expansion underneath

MOTHERBOARD REVISIONS:
 3.x  Avoid
 5    8370 Agnus
 6    8372A 1 Meg Agnus
 8A   Amiga 500+ 8375 Agnus and 8373 SuperDenise
   
  

Copyright 2000 Amiga Auckland Inc. All rights reserved.
Revised: August 14, 2005.