Commodore Amiga 4000

Configuration

• Built: Early 1993 (case QA stamp is dated Januar 4, 1993)
• Mainboard: Revision B
• CPU: 68030EC25, 68882/20
• OS: AmigaOS 3.0
• Chipset: AGA
  • Alice: 8374 (date code 0893)
  • Lisa: 1204R0 (CBM, date code 1493)
  • Paula: 8364R7PL (date code 0893)
  • Gary: 390540-02 (date code 4892)
  • Buster: 390537-09 (rev 9, date code 4692)
  • Bridgette: 391380-01 (date code 3692)
• RAM: 2 MB Chip RAM

Trivia

• Only 11,300 Amiga 4000 have ever been sold in Germany.
• This Amiga came with: Cybervision 64 (2 MB), A2091, Scandoubler, CD writer, two SCSI harddisks, two CPU boards (one with additional 68882).
• Came with an Amiga 2000 keyboard with full-size PCB (instead of a membrane)
• Recapped by the previous owner, but cheap quality of capacitors.
• Battery damage repair attempted by the previous owner. Was aborted when things got too messy.

Restauration Works

• Front bleached (needs some more bleaching in June)
• Re-recapped the board with quality capacitors
• Removed all traces of the repair attempt. Cleaned the RTC area.
• Replaced components in the floppy and audio area
• Cleaned the keyboard

Known Issues

• Front of floppy drive is loose (can be fixed with 3D printed part)
• PSU needs maintenance or replacement

History

• 2026-03-25
  • Recapping completed (except of the RTC/memory area)
  • RTC area cleaned, solder mask removed
• 2026-03-23
  • Case front bleached in the sun
  • Cleaned the keyboard
• 2026-02-21: Machine taken apart for damage assessment
• 2026-02-18: Date of purchase
• 1993-06-24: Original owner’s date of purchase (A4000/030, 4MB Fast, 130MB HD)
• 1993-01-04: Case QA date