Dell POWER EDGE 2900 Hardware Owner's Manual page 104

Figure 3-31. Cabling the SAS RAID Controller to the 1x8 and 1x2 Backplane
9
1 SAS RAID controller daughter
card (DIMM not shown)
4 1x8 SAS backplane
7 SAS_B_IN connector
104
Installing System Components
1
2
3
6
7
8
2 SAS_1 connector (connect to
SAS_B_IN connector)
5 SAS_B connector
8 SAS_B_OUT connector
(connect to SAS_B connector)
4
3 SAS_0 connector (connect to
SAS_A connector)
6 SAS_A connector
9 1x2 SAS backplane
5