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Amiga Technical References

Amiga 1200 Technical Information

KICKSTARTS:
 3.0   All C= Amiga 1200's shipped with 3.0 ROMs
 3.1   This is available as an upgrade

 ROM chips are a pair of 40 pin DIPs.

CPU:
 68020 at 14MHz

FPU:
 none

CHIPS:
 Lisa
 Alice
 Paula  - Standard Paula
 Budgie
 (I'm actually kinda unsure about the 1200/4000 chipset)

RAM:
 CHIP RAM 2 megabytes on the motherboard
 FAST RAM None.


PORTS:
 15KHz Video
 External Disk drive
 Parallel Port
 Serial Port
 Mouse/Joystick ports
 Left and Right RCA Audio

SLOTS:
 1  PCMCIA Type-II Slot on the left side
 1  Trapdoor Expansion slot on the bottom for Accelerator/RAM

MOTHERBOARD REVISIONS:
 REV 1D.4
  Budgie REV -01
   Remove E123C and E125C from the A1200 motherboard
  Budgie REV -02
   Remove E123C and E125C from the A1200 motherboard
   Remove XR358 470 ohm pull-up resistor
   Add 470 ohm pull up resistor at pin 43 of U, ie the Alice chip

 REV 2B
  Budgie REV -01 and -02
   Remove E123C and E125C from the A1200 motherboard
   Add 470 ohm pull-up at pin 43 of U2, ie the Alice chip
   Change R118 from 470 ohm to 220 ohm

 (more, unknown)


Copyright 2000 Amiga Auckland Inc. All rights reserved.
Revised: June 16, 2005.