ocr: Amiga-P-C-busi interface SEL - SCL 13 +5V Same supply as 4K7 I2(-bus IC's POUT + #! SDA 12 D2+ BC548 4 10K GND- GND 18-25 Red arrows indicate signal direction Blue numbers indicates pin-numbers on A500/A2000 printer-port Original alhardwareconcept byJan Leuverink