MagSafe 1 is Apple proprietary magnetic laptop charger connector used on MacBook Pro and MacBook Air from 2006 to 2012. The L-shaped or T-shaped magnetic connector carries DC power and a 1-wire ID protocol.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground outer contacts | GND |
| 2 | GND | Ground outer contacts | GND |
| 3 | VCC | DC power center pin | PWR |
| 4 | ID | 1-wire identification data | BUS |
| 5 | ID | 1-wire identification data | BUS |
MagSafe 1 is Apple proprietary magnetic laptop charger connector used on MacBook Pro and MacBook Air from 2006 to 2012. The L-shaped or T-shaped magnetic connector carries DC power and a 1-wire ID protocol.