# Amiga Video Expansion

(at the computer)

36+54 PIN EDGE CONNECTOR at the computer.

Pin | Name | Dir | Description
--- | --- | --- | ---
1 | RGB16 |  | Red Bit 0
2 | RGB17 |  | Red Bit 1
3 | LINELF |  | Audio Line Out Left
4 | LINERT |  | Audio Line Out Right
5 | C28D |  | Pixel-Synchronous Clock
6 | +5V | - | +5 Volts DC (1 A)
7 | ARED |  | Analog Red
8 | +5V | - | +5 Volts DC (1 A)
9 | GND | - | Digital Ground
10 | +12V | - | +12 Volts DC (40 mA)
11 | AGREEN |  | Analog Green
12 | GND | - | Digital Ground
13 | GND | - | Digital Ground
14 | /CSYNC |  | Composite Sync
15 | ABLUE |  | Analog Blue
16 | /XCLKEN |  | Genlock Clock Enable
17 | GND | - | Digital Ground
18 | BURST |  | Burst Gate
19 | /C4 |  | 3.55/3.58 MHz Clock
20 | GND | - | Digital Ground
21 | GND | - | Digital Ground
22 | /HSYNC |  | Horizontal Sync (47 Ohm)
23 | RGB4 |  | Blue Bit 4
24 | GND | - | Digital Ground
25 | RGB7 |  | Blue Bit 7
26 | /VSYNC |  | Vertical Sync (47 Ohm)
27 | RGB15 |  | Green Bit 7
28 | BLANK |  | Video Blank
29 | RGB23 |  | Red 7
30 | /PIXELSW |  | Genlock Overlay (47 Ohm)
31 | -5V | - | -5 Volts DC
32 | GND | - | Digital Ground
33 | /XCLK |  | Genlock Clock
34 | /C1 |  | C1 Clock
35 | +5V | - | +5 Volts DC (1 A)
36 | PSTROBE |  | Printer Port Handshake
1 | GND | - | Digital Ground
2 | RGB20 |  | Red Bit 4
3 | RGB21 |  | Red Bit 5
4 | RGB22 |  | Red Bit 6
5 | GND | - | Digital Ground
6 | RGB12 |  | Green Bit 4
7 | RGB13 |  | Green Bit 5
8 | RGB14 |  | Green Bit 6
9 | GND | - | Digital Ground
10 | RGB5 |  | Blue Bit 5
11 | RGB6 |  | Blue Bit 6
12 | GND | - | Ground
13 | SOG |  | Sync-On-Green Indicator
14 | TBASE |  | 50/60 Hz Software Clock Timebase
15 | CDAC |  | 7.09/7.16 MHz Clock
16 | PPOUT |  | Printer Port Paper Out
17 | /C3 |  | 3.55/3.58 MHz Clock
18 | PBUSY |  | Printer Port Busy
19 | /LPEN |  | Light Pen Input
20 | /PACK |  | Printer Port Acknowledge Handshake
21 | PSEL |  | Printer Port Select
22 | GND | - | Digital Ground
23 | PPD0 |  | Printer Port Data Bit 0
24 | PPD1 |  | Printer Port Data Bit 1
25 | PPD2 |  | Printer Port Data Bit 2
26 | PPD3 |  | Printer Port Data Bit 3
27 | PPD4 |  | Printer Port Data Bit 4
28 | PPD5 |  | Printer Port Data Bit 5
29 | PPD6 |  | Printer Port Data Bit 6
30 | PPD7 |  | Printer Port Data Bit 7
31 | /LED |  | LED (Audio filter bypass) Setting
32 | GND | - | Digital Ground
33 | RAWLF |  | Raw (Unfiltered) Audio Left
34 | AGND | - | Audio Ground
35 | RAWRT |  | Raw (Unfiltered) Audio Right
36 | AGND | - | Audio Ground
37 | n/c | - | Reserved for future expansion
38 | n/c | - | Reserved for future expansion
39 | GND | - | Digital Ground
40 | GND | - | Digital Ground
41 | n/c | - | Reserved for future expansion
42 | n/c | - | Reserved for future expansion
43 | GND | - | Digital Ground
44 | GND | - | Digital Ground
45 | RGB18 |  | Red Bit 2
46 | RGB19 |  | Red Bit 3
47 | RGB8 |  | Green Bit 0
48 | RGB9 |  | Green Bit 1
49 | RGB10 |  | Green Bit 2
50 | RGB11 |  | Green Bit 3
51 | RGB0 |  | Blue Bit 0
52 | RGB1 |  | Blue Bit 1
53 | RGB2 |  | Blue Bit 2
54 | RGB3 |  | Blue Bit 3

Note: Direction is Motherboard relative Card.
Note: Do not mix analog & digital grounds.

Contributor: Joakim Ögren

Source:
Amiga 4000 User's Guide from Commodore

Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07