Intel SRCU42E Hardware User Guide - Page 16

1.2 Features Features of the Intel® RAID Controller SRCU42E include: • Support for hard disk drives with capacities greater than 8 Gbytes • Online RAID level migration • RAID remapping • No reboot necessary after expansion (for NT 4.0: if virtual sizing is enabled) • More than 200 Qtags per array • Hardware clustering support on the board • User-specified rebuild rate • Wide Ultra320 LVD SCSI performance up to 320 Mbytes/s • Support for up to 512 Mbyte of double data rate (DDR1) ECC PC2700 DDR333 DIMM: one 128-, 256-, or 512-Mbyte DIMM can be installed. • Support for a x8 PCI Express interface. • The RAID Controller SRCU42E has two internal and two external SCSI connectors • Support for RAID levels 0 (striping), 1 (mirroring), 5 (striping and parity data across all drives), 10 (mirroring and striping), and 50 (RAID 5 and striping) • Advanced array configuration and management utilities • Battery backup for up to 72 hours with the 128 Mbyte Intel® Portable Cache Module • Support for up to 14 SCSI drives per channel on storage system with SAF-TE enclosures (SCSI accessed fault-tolerant enclosures): 15 SCSI drives per channel for other configurations. • 32 Kbyte NVRAM for storing RAID system configuration information; the firmware is stored in flash ROM for easy upgrade Features 16