Intel AXXROMBSASMR Hardware User Guide - Page 24

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