108
Modular RAID Controllers
Modular RAID 12Gb/s (SAS3.0)
5.6.1 Features
The RAID controller "PRAID EP440i" implements the LSI SAS3108 which is an
integrated SAS and I/O controller with dual embedded Power PC 476 cores
running at speeds up to 1.2 GHz. The LSI SAS3108 also provides the following
functionalities:
●
Provides an 8-lane 5.0 / 8.0 Gbit PCIe 3.0 host bus.
●
Provides an 8-port 12Gb/s SAS3 and 6Gb/s SATA3 interface.
●
Provides a 1866 MHz DDR3 SDRAM interface with a hardware RAID assist
engine for parity calculations.
●
Provides a full-featured hardware-based RAID solution that supports RAID
levels 0, 1, 1E, 5, 6, 10, 50 and 60.
●
Six I
2
C interfaces used for Serial Boot strap ROM connection, memory
detection, PCI-E SMBus connectivity, battery / smart charger control, and
SAS sideband control.
●
Integrated dual UART for MegaRAID
®
diagnostic use only.
●
Two banks of SGPIO signals to accompany the two sets of x4 SAS / SATA
ports.
●
16MB Flash
●
1kB Bootstrap EEPROM
●
Mounting holes for TFM
●
Raid-key chip onboard
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