USB Port
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Connector Pinout
| 4 | 3 | 2 | 1 |
| GND | D+ | D- | VCC |
| Pin | Name | Cable color | Description |
|---|---|---|---|
| 1 | VCC | red | +5 V DC |
| 2 | D+ | white | Data + |
| 3 | D- | green | Data - |
| 4 | GND | black | Ground |
Models featuring this Technology
USB 1.0 or 1.1
- ThinkPad A20m, A20p, A21e, A21m, A21p, A22e, A22m, A22p, A30, A30p, A31, A31p, A275, A285, A475, A485
- ThinkPad R30, R31, R32, R40e
- ThinkPad T20, T21, T22, T23, T30
- ThinkPad X20, X21, X22, X23, X24, X30
- ThinkPad TransNote
- Thinkpad 390E, 390X, 240X, 600E, 600X
USB 2.0
- ThinkPad G40, G41, G50
- ThinkPad R40, R50, R50e, R50p, R51, R51e, R52
- ThinkPad T40, T40p, T41, T41p, T42, T42p, T43, T43p, T60, T60p, T61
- ThinkPad X31, X32, X40, X41, X41 Tablet, X60, X60s
- ThinkPad Z60m, Z60t, Z61e, Z61m, Z61p, Z61t
