Intel AXXROMBSASMR, Hardware User'S Manual

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14 Intel® Integrated RAID Module SROMBSASMR Hardware User’s Guide
Technical Specifications
Table 2.
Specification Intel
®
Integrated RAID Module SROMBSASMR
Processor LSI* 1078 Integrated RAID-on-Chip, 533 MHz
Operating voltage +3.3 V
Interface to host Custom board-to-board x4 PCI Express* interface
SATA bus speed 3 Gbps per port, point-to-point
Serial port 3-pin RS232-compatible connector for debug use only
SAS controller LSI* 1078
SAS/SATA ports 4 internal ports, 16 devices
Physical and virtual drive
support
16 drives per controller and 64 logical drives
Cache 128 MB DDR2 667 MHz SDRAM, optional battery backup
Firmware 4 MB in reflashable flash ROM
Compatible devices
•
2.5-inch and 3.5-inch SAS or SATA 3.0 drives
•
Non-disk devices including expanders
•
Can support drives of mixed capacity
Cabling Small thin cables that do not restrict airflow
Redundant configuration 32 KB NVRAM and config-on-disk (COD)
Enclosure management In-band and out-of-band
Enclosure support Assumes one SEP per enclosure
Technical Specifications
Array Performance Features
Table 3. Array Performance Features
Specification Intel
®
Integrated RAID Module SROMBSASMR
Host data transfer rate 2.5 Gigabit/sec per PCI Express* lane
Drive data transfer rate 3 Gigabit/sec per lane
Maximum scatter / gather 26 elements
Maximum size of I/O requests 6.4 Mbytes in 64 Kbyte stripes