Cisco Systems UCSRAID9266CV Cisco UCS C220 Server Cabling, Backplane and Expander Options, C-20

Appendix C RAID Controller Considerations

RAID Controller Cabling

Cisco UCS C220 Server Cabling

This section contains the following topics:

•Backplane and Expander Options, page C-20

•SFF 8-Drive Backplane Cabling, page C-20

•LFF 4-Drive Backplane Cabling, page C-22

Backplane and Expander Options

The server is orderable in two different versions, each with one of two different front panel/backplane configurations:

•Cisco UCS C220 (small form-factor (SFF) drives, with 8-drive backplane. Holds up to eight 2.5-inch hard drives or solid state drives.

•Cisco UCS C220 (large form factor (LFF) drives, with 4-drive backplane). Holds up to four 3.5-inch hard drives.

SFF 8-Drive Backplane Cabling

The cable connections required for each type of controller are as follows:

Embedded RAID

This option can control up to eight drives.

The required UCSC-CABLE1cable kit has two mini-SAS cables. Cable 1 controls drives 1–4 and cable 2 controls drives 5–8.

Step 1 Connect mini-SAS cable 1 from the motherboard connector SAS1 to the drives 1–4 connectors on the backplane.

Step 2 Connect the cable 1 SGPIO connector labeled, “S1” to backplane connector S1.

Step 3 Connect mini-SAS cable 2 from the motherboard connector SAS2 to the drives 5–8 connectors on the backplane.

Step 4 Connect the cable 2 SGPIO connector labeled, “S2” to backplane connector S2.

	Cisco UCS C220 Server Installation and Service Guide
C-20	OL-25760-01