2..................20
1..................19
Dell Proprietary 20 Pin front panel for USB, Speaker and optional microphone.
| Name | Pin | Description |
|---|---|---|
| Data0- | 1 | Data - for USB port 0 (Bottom) |
| Data0+ | 3 | Data + for USB port 0 (Bottom) |
| Data1- | 5 | Data - for USB port 1 (top) |
| Data1+ | 7 | Data + for USB port 1 (top) |
| GND | 9 | Ground |
| GND | 11 | Ground |
| ? | 13 | Unknown |
| ? | 15 | Unknown |
| GND | 17 | Ground |
| ? | 19 | Unkonwn |
| ? | 2 | Unkonwn |
| Vcc | 4 | +5V for USB |
| ? | 6 | Unkonwn |
| Vcc | 8 | +5V for USB |
| Ring | 10 | Speaker Ring & RS Terminal |
| Tip | 12 | Speaker Tip & TS Terminal |
| ? | 14 | Unknown |
| Keyed | 16 | |
| GND | 18 | Ground |
| ? | 20 | Unknown |