AV Cables

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Microsoft released a handful of AV packs for the Xbox. They are connected to the port labelled "Audio Video Input/Output" on the backside of the console.

Connector

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Pinout

Pin Description
1 Audio Right
2 Audio Right GND
3 SPDIF Digital Audio
4 V-Sync (VGA Mode)
5 Mode GND
6 Mode GND
7 Mode GND
8 GND
9 Variable
10 Pin 9 GND
11 Variable
12 Pin 11 GND
Pin Description
13 Vcc
14 Audio Left
15 Audio Left GND
16 H Sync (VGA Mode)
17 Mode Select 1
18 Mode Select 2
19 Mode Select 3
20 +12V
21 Pin 22 GND
22 Variable
23 Pin 24 GND
24 Variable

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Supported signals / AV cables

Below is a table which lists all known officially AV cables released by Microsoft and their respective signal. The constants used in the av-prefixed Kernel-functions are also listed.

19 18 17 SMC Constant Region Official Microsoft product name Signal 24 22 11 9 Kernel av-Constant
0 0 0 0 PAL Advanced SCART Cable SCART (15 kHz RGB) Stereo V R G B AV_PACK_SCART = 3
0 0 1 1 NTSC High Definition AV Pack Component SPDIF - Pr Y Pb AV_PACK_HDTV = 4
0 1 0 2 - Not officially available / supported VGA (31 kHz RGB) Stereo - R G B AV_PACK_VGA = 5
0 1 1 3 NTSC / PAL RF Adapter RF Mono V C Y - AV_PACK_RFU = 2
1 0 0 4 NTSC Advanced AV Pack S-Video Stereo V C Y - AV_PACK_SVIDEO = 6
1 0 1 5 - Not officially available / supported Unknown Mono V C Y - AV_PACK_NONE = 0
1 1 0 6 PAL Standard AV Cable Composite Stereo V C Y - AV_PACK_STANDARD = 1
1 1 1 7 - No cable connected - - - - - AV_PACK_NONE = 0

A signal value of 0 means connection to ground (Pins 7, 6, 5), whereas a value of 1 means an open-connection[citation needed]

The region only identifies which territory the cable was originally available / intended for. The kernel still might support other video-standards (NTSC / PAL / SECAM) using the same cable.

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Related links