Lenovo ThinkSystem SR630 V3 - Page 330

Figure 274. Cable routing for onboard configuration of 8 x 2.5 SAS/SATA front drives
Table 74. Mapping between one front SAS/SATA backplane and processor board for onboard configuration
Backplane From To
Front BP (SAS)
1 SAS 0 1 SATA 0
2 SAS 1 2 SATA 1
320 ThinkSystem SR630 V3 User Guide