Adaptec 412R User Guide - Page 191

Technical Specifications DuraStor 7200S External RAID Controller Onboard CPU Host/device data rate Host interface channels FC protocol Device interface channels SCSI protocol Advanced RAID features Advanced hardware features Mobile Pentium II 333 MHz, 256-KB onchip L2 cache 100-MB/sec per Fibre Channel connections (200 MB/sec Full Duplex). Two 100 MB/sec Fibre Channel ports. FC-AL, point-to-point, and switched fabric support Four 160-MB/sec Ultra160 SCSI device channels Narrow (8-bit) or Wide (16-bit): Fast (20MB/sec), Ultra (40MB/sec), Ultra2 (80MB/sec), Ultra160 (160MB/sec) Active-active, host-independent failover/failback in the 2x4 configuration Write-back data cache memory bus, 800 MB/sec bandwidth On-line capacity expansion Up to 24 independent logical arrays per subsystem Spare pooling and dedicated spares; array verification Controller/drive hot swap supported Array status monitoring; adjustable stripe width; automatic sector remapping User-settable priority for array Reconstruct, Verify, Create, and Expand operations Arrays configurable as RAID levels 0, 1, 3, 4, 5, 10, 50, JBOD 64 MB to 512 MB, PC-133 compatible SDRAM DIMM, ECC protected 16 MB ECC protected onboard SDRAM processor memory 2 MB onboard Flash memory for upgradable firmware Integrated Nickel Metal Hydride (NiMH) cache battery backup interface E-7