| Pin | Name | Description |
| 1 | "USB 5VDC(+) " | "USB 5VDC(+)" |
| 2 | "USB 5VDC(+) " | "USB 5VDC(+)" |
| 3 | "USB 5VDC(+) " | "USB 5VDC(+)" |
| 4 | " RXD " | " UART receive" |
| 5 | " TXD " | " UART transmit 57000bps active low" |
| 6 | " reserved " | " reserved " |
| 7 | " reserved " | " reserved " |
| 8 | " reserved " | " reserved " |
| 9 | "Video (+) " | " composte video out / component video Y output" |
| 10 | " Luma " | " component video Pb outpupt" |
| 11 | " Chroma " | " component video Pr outpupt" |
| 12 | "A/V Ground " | " Audio Video ground seperate from power ground" |
| 13 | "Audio L (+) " | "Audio L (+) " |
| 14 | "Audio R (+) " | "Audio R (+) " |
| 15 | "reserved " | "reserved " |
| 16 | "reserved " | "reserved " |
| 17 | "reserved " | "reserved " |
| 18 | " Detect " | "pull low to being authentication sequence" |
| 19 | "PwrOut/SPDIF " | " pull low to have Zune source power for external devices / Digital Audio out" |
| 20 | "USB Data (-) " | "USB Data (-) " |
| 21 | "USB Data (+) " | "USB Data (+) " |
| 22 | "USB Ground " | "USB Ground " |
| 23 | "USB Ground " | "USB Ground " |
| 24 | "USB Ground " | "USB Ground " |