Amiga RGB Port

23 pin D-sub female at the computer.

  Amiga 500 / 600 Amiga 1000 / 2000 / 3000 Amiga 1200 / 4000  
1 /XCLK External Clock /XCLK External Clock /XCLK External Clock  
2 /XCLKEN External Clock Enable /XCLKEN External Clock Enable /XCLKEN External Clock Enable (47 ohm)
3 RED Analog Red RED Analog Red RED Analog Red (75 ohm)
4 GREEN Analog Green GREEN Analog Green GREEN Analog Green (75 ohm)
5 BLUE Analog Blue BLUE Analog Blue BLUE Analog Blue (75 ohm)
6 DI Digital Intensity DI Digital Intensity DI Digital Intensity (47 ohm)
7 DB Digital Blue DB Digital Blue DB Digital Blue (47 ohm)
8 DG Digital Green DG Digital Green DG Digital Green (47 ohm)
9 DR Digital Red DR Digital Red DR Digital Red (47 ohm)
10 /CSYNC Composite Sync /CSYNC Composite Sync /CSYNC Composite Sync (47 ohm)
11 /HSYNC Horizontal Sync /HSYNC Horizontal Sync /HSYNC Horizontal Sync (47 ohm)
12 /VSYNC Vertical Sync /VSYNC Vertical Sync /VSYNC Vertical Sync (47 ohm)
13 GNDRTN Ground Return
for /XCLKEN		 GNDRTN Ground Return
for /XCLKEN		 GNDRTN Ground Return
for /XCLKEN		 a)
14 /ZD Zero Detect /ZD Zero Detect /PIXELSW Pixel Switch
(Genlock Overlay)		 (47 ohm)
15 /C1 Clock Out /C1 Clock Out /C1 Clock Out  
16 GND Video Ground GND Video Ground GND Video Ground a)
17 GND Video Ground GND Video Ground GND Video Ground a)
18 GND Video Ground GND Video Ground GND Video Ground a)
19 GND Video Ground GND Video Ground GND Video Ground a)
20 GND Video Ground GND Video Ground GND Video Ground a)
21 -12V -12 Volts (10 mA) -5V -5 Volts (50 mA) -5V -5 Volts (10 mA)  
22 +12V +12 Volts (175 mA) +12V +12 Volts (175 mA) +12V +12 Volts (100 mA)  
23 +5V +5 Volts (300 mA) +5V +5 Volts (300 mA) +5V +5 Volts (100 mA)  

a) Don't connect pin 13 with pin 16-20

Source: Amiga Hardware Reference Manual, Amiga 4000 Hardware Guide

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