Dell POWEREDGE 2950 Hardware Owner's Manual page 141

Figure 6-5. SAS Backplane Board Components: 2.5-inch x8 Option
1
8
9
1 drive 0 (SASDRV0)
4 drive 5 (SASDRV5)
7 drive 4 (SASDRV5)
10 secondary SAS (SAS_B)
front
7
10
back
2 drive 2 (SASDRV2)
5 drive 6 (SASDRV5)
8 drive 1 (SASDRV5)
11 primary SAS (SAS_A)
3
2
11
3 drive 3 (SASDRV3)
6 drive 7 (SASDRV4)
9 optical drive power (CD_PWR)
12 backplane power (BP_PWR)
Jumpers and Connectors
4
5
6
12
141