Figure 1. Cabling the S140 controller1 backplane 2 system board3 connector on the first AHCI device (J_SATA A) 4 connector on the second AHCI device (J_SATA B)Disk connectivity for AHCI devicesThe S140 controller supports systems with up to two AHCI devices. For systems with two AHCI devices, the first AHCI device connectsthe drives from ports 0–5 and the second AHCI device connects the drives from ports 6–13.The following table provides information about the disks connectivity to the AHCI devices supported on the 14th generation PowerEdgesystems.Table 7. Disk connectivity for AHCI devicesChipset Platform AHCI device 1 AHCI device 2Intel C621 (C620 serieschipset)PowerEdge R640, R740, R740xd, R940, and C6420 0-5 6-13Cabling the drives for S140 19
