![](/images/new-backgrounds/1192601/192601279x1.webp)
Figure 6-4. SAS Backplane Board Components: 3.5-inch x4 Option
2 | 3 |
|
1
4
| front |
6 | 5 |
back | 7 |
|
1 | drive 0 (SASDRV0) | 2 | SAS (SAS_A) | 3 | tape drive power connector |
|
|
|
|
| (J_TBU_PWR) |
4 | drive 2 (SASDRV2) | 5 | drive 3 (SASDRV3) | 6 | drive 1 (SASDRV1) |
7backplane power (J_BP_PWR)