SUPER MICRO Computer sc827 user manual Figure D-6 Motherboard Locations In the Chassis

Appendix D: SAS-827B Backplane Specifications

SAS Ports

The SAS-827B backplane is designed with four separate sectors, which support from one to four motherboards indepentdently of each other. The SAS ports are used to connect the SAS drive cables. The 12 ports are designated A0, A1, A2, B0, B1, B2, C0, C1, C2 and D0, D1, D2. Each port is also compatible with SATA drives. Use the table below to determine the SAS port to motherboard configuration that is appropriate for your system.

SAS Port to Motherboard Configurations

Number of		SAS Port	Connect to
Motherboards		Connectors	Motherboard
Using 1	MB	A0, A1, A2	MB-A
Using 2	MBs	A0, A1, A2	MB-A
		B0, B1, B2	MB-B
Using 3	MBs	A0, A1, A2	MB-A
		B0, B1, B2	MB-B
		C0, C1, C2	MB-C
Using 4	MBs	A0, A1, A2	MB-A
		B0, B1, B2	MB-B
		C0, C1, C2	MB-C
		D0, D1, D2	MB-D

Figure D-6: Motherboard Locations In the Chassis

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