| Pin | Signal | Description | 
|---|---|---|
| 1 | <-- | Shutdown when set by computer for 1-5 seconds. | 
| 2 | --> | On battery power | 
| 3 | --> | Low battery | 
| 4 | -- | Signal ground | 
| 5 | <-- | Begin signalling on other pins | 
| 6 | N/C | 
| Pin | Signal | Description | 
|---|---|---|
| 1 | <-- | Shutdown when set by computer for 1-5 seconds. | 
| 2 | --> | On battery power | 
| 3 | --> | Low battery | 
| 4 | -- | Signal ground | 
| 5 | <-- | Begin signalling on other pins | 
| 6 | N/C |