Users Guide

Figure 1. Cabling the S140 controller
1.
backplane 2. system board
3. connector on the first AHCI device (J_SATA A) 4. connector on the second AHCI device (J_SATA B)
Topics:
• Disk connectivity for AHCI devices
Disk connectivity for AHCI devices
The S140 controller supports systems with up to two AHCI devices. For systems with two AHCI devices, the first AHCI device
connects the 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
PowerEdge systems.
Table 7. Disk connectivity for AHCI devices
Chipset Platform AHCI device 1 AHCI device 2
Intel C621 (C620 series
chipset)
PowerEdge R640, R740, R740xd, R940, and
C6420
0-5 6-13
20 Cabling the drives for S140