Amiga 1200 Motherboard Revisions


Amiga 1200 Motherboard Revision 1A

uses 256k×16 chips for Chip RAM

Budgie rev 0

two full length clock port headers, intended for Chip RAM expansion / flash ROM daughterboard

the mouse port is part of the motherboard

Amiga 1200 Motherboard Revision 1B

one full length clock port header

Amiga 1200 Motherboard Revision 1D

one half length clock port header the mouse port is connected with a ribbon cable to the motherboard

Amiga 1200 Motherboard Revision 2B

uses 512k×8 chips for Chip RAM

Budgie rev A

the mouse port is on a separate panel

the +12V is missing from the RGB port

genlocks work only with external power supplies

BoardRevisionsCBM Part numbers
PCB AssySchematicPCB fabricationArtwork
Main board A1200 NTSC, 1M364718-01364717-01364719-01364720-01
Main board A1200 PAL, 1M364718-02364717-01364719-01364720-01
Main board A1200HD NTSC, 1M364718-03364717-01364719-01364720-01
Main board A1200HD PAL, 1M364718-04364717-01364719-01364720-01
Main board A1200 NTSC, 2M, RTC364718-05364717-01364719-01364720-01
Main board A1200 PAL, 2M, RTC364718-06364717-01364719-01364720-01
Main board A1200HD NTSC, 2M, RTC364718-07364717-01364719-01364720-01
Main board A1200HD PAL, 2M, RTC364718-08364717-01364719-01364720-01
Main board A1200 NTSC, 2M364718-09364717-01364719-01364720-01
Main board A1200 PAL, 2M364718-10364717-01364719-01364720-01
Main board A1200HD NTSC, 2M364718-11364717-01364719-01364720-01
Main board A1200HD PAL, 2M364718-12364717-01364719-01364720-01
Main board A12001C364718364719364720-03
Main board A12001.D.1, 1.D.4364718364717364719364720-04
Main board A12001.D.4364718364717364719364720-05
Main board A12002B365132-01365133365135365296-01

LED board

BoardRevisionsCBM Part numbers
PCB AssySchematicPCB fabricationArtwork
A1200/A1200HD LED assembly364967-01364966-01364965-01364964-01
A1200 LED1

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