Lenovo ServeRAID M5120, User Manual

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Benefits of the ServeRAID M5120 SAS/SATA Controller 1-11
•
Provides drive spin-up sequencing control
•
Provides up to two LED signals for each PHY to indicate link activity
and faults
•
Provides an I
2
C interface for enclosure management
•
Supports the external SAS Sideband signal SFF-8485 (SGPIO)
interface
1.6.6 Flexibility Features
These features increase the flexibility of the ServeRAID-M5120
controller:
•
Supports a Flash ROM interface, a nonvolatile static RAM
(NVSRAM) interface, and a pipelined synchronous burst SRAM
(PSBRAM) interface
•
Offers a flexible programming interface to tune I/O performance
•
Allows mixed connections to SAS targets or SATA targets
•
Leverages compatible connectors for SAS connections and SATA
connections
•
Allows grouping of up to four PHYs in a single quad port to form a
wide port
•
Allows programming of the World Wide Name