Commodore Amiga 1200

Configuration

• Built: 1993 (second quarter)
• Mainboard: Revision 1D.4
• CPU: 68EC020 16MHz
• OS: AmigaOS 3.2.2 (47.111)
• Chipset: AGA
  • Alice: 8374 (date code 0793)
  • Lisa: 1204R0 (CBM, date code 1093)
  • Paula: 8364R7PL (date code 0193)
  • Gayle: 391424-02 (rev 5, date code 0793)
  • Budgie: 391425-01 (rev 0, date code 0793)
• RAM: 2 MB Chip RAM
• Case: A1200.net Arashi grey (limited edition) with white keycaps

Trivia

• Came without floppy drive and without trapdoor cover.
• Shield was there, but insulation sheet was missing. Previous owner used insulation tape instead, to avoid short circuits.

Known Issues

• RCA jacks are oxidized and need replacement
• One case screw is bent and needs replacement
• Floppy drive button hole needs to be covered
• Case illumination is missing

Restauration Works

• Cleaning and whitening of the full case and keycaps.
• Replaced case with A1200.net limited edition Arashi grey case.
• Replaced original keycaps with white replica.
• New LED board with custom LEDs (power: blue, floppy: green, harddisk: red).
• Recapping. Replaced rusty crystal. Cleaned the board. Polished the modulator shield.
• All screws were missing, including the D-Sub screws, and have been replaced.
• Shield was there, but without insulator sheet. Replaced with simpler, but stronger replica IO shield.
• Mouse port connector was broken, replaced by new one.
• Removed E123C and E125C, to enhance compatibility with accelerator boards.
• Keyboard wasn’t working properly. Replaced the keyboard connector, which fixed the problem. It was a fight to get the old connector out, but luckily the PCB stayed undamaged.
• Added Indivision AGA MK3, GoEX drive (rev 2023) with display, SD to IDE card adapter.

History

• 2024-08-11
  • Upgraded the AmigaOS to 47.111
  • Added GoEX drive (rev 2023)
  • Added SD IDE card
  • Made a display for the drive
  • Made a cover for the Indivision HDMI connector
• 2024-08-10
  • Replaced keyboard connector, fixed keyboard issue
  • Added Indivision AGA MK3
• 2024-07-21
  • Recapping
  • Replaced rusty 4.433619 MHz crystal with new one
  • Removed E123C and E125C
  • Cleaned PCB
  • Replaced missing screws
  • Replaced keyboard cable cap
• 2024-07-13
  • Replaced rear IO shield with replica
  • Replaced D-Sub screws, all were missing
  • Added new LED board
• 2024-05-28
  • New case, A1200.net limited edition Arashi grey
  • New key caps, A1200.net white, German layout
  • Replaced mouse connector with new one
  • Reassembled the keyboard
• 2024-05-23
  • Disassembled and cleand the keyboard
  • Keycaps whitened and stored away
• 2024-05-18
  • Cleaned hot glue and other dirt from the mainboard
  • First hardware check shows that system is functional
  • Cleaned the case
• 2024-05-12: Date of purchase