Atari ST motherboard revisions

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Revision as of 17:41, 21 August 2008 by Insanity (talk) (differences between 1 and 1.1)
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Atari ST motherboard revisions


The Atari ST went through a fair amount of revisions during its lifetime.

Please feel free to upload a picture of your motherboard

Model Number Revision Model Add-ons Photo Notes Submitted by
C070243 H 520 ST  ? C070243 Rev. H Separate Floppy/PSU, On-main-board mouse/joystick, No support for 2-chip TOS ppera
C070243 I 520 ST  ? C070243 Rev. I As H. Support for 2-chip TOS ppera
C070523-001 D  ? 20Mhz processor, Autoswitch overscan, 4MB memory, TOS 1.4/Kaos switch, HD/ED Floppy, High speed serial C070523-001 Rev. D  ? Nyh
C070789-001 C 520 STFM None C070789-001 Rev. C  ? insanity
C103414-001 1 520 STFM 1MB Upgrade C103414-001 Rev. 1  ? Stefan jL
C103414-001 1.1 520 STFM None C103414 Rev. 1.1 Similar to Rev. 1 above but 2-chip TOS and chip in space below labelled LS11 insanity
C103175 1.1 1040 STFM  ? C103175 Rev. 1.1 4bit RAM chips ppera
C100167-001 4.0 Mega ST (4MB)  ? C100167-001 Rev. 4.0 Original ROMs replaced with Flash EPROMs ppera
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