| SCSI ID | E1/Pin1 | E2/Pin3 | E3/Pin5 | E3/Pin7 |
| 0 | Out/open | Out/open | Out/open | Out/open |
| 1 | In/Ground | Out/open | Out/open | Out/open |
| 2 | Out/open | In/Ground | Out/open | Out/open |
| 3 | In/Ground | In/Ground | Out/open | Out/open |
| 4 | Out/open | Out/open | In/Ground | Out/open |
| 5 | In/Ground | Out/open | In/Ground | Out/open |
| 6 | Out/open | In/Ground | In/Ground | Out/open |
| 7 | In/Ground | In/Ground | In/Ground | Out/open |
| 8 | Out/open | Out/open | Out/open | In/Ground |
| 9 | In/Ground | Out/open | Out/open | In/Ground |
| 10 | Out/open | In/Ground | Out/open | In/Ground |
| 11 | In/Ground | In/Ground | Out/open | In/Ground |
| 12 | Out/open | Out/open | In/Ground | In/Ground |
| 13 | In/Ground | Out/open | In/Ground | In/Ground |
| 14 | Out/open | In/Ground | In/Ground | In/Ground |
| 15 | In/Ground | In/Ground | In/Ground | In/Ground |
Disable Spin: A jumper in the E5 location disables spin up on power-on. Disabling spin up on application of power can also be enabled by settting the DSPN bit in MODE SELECT page 00H.
| J4 | |
| 1 | +12V |
| 2 | Ground |
| 3 | Ground |
| 4 | +5V |
| Mounting Holes |
| Side: 6-32 UNC-2B .15 MAX. Insertion |
| Bottom: 6-32 UNC-2B .25 MAX. Insertion |