HP LH4r Installation and configuration of the HP NetRAID, NetRAID-1 and NetRAI - Page 10

Chapter 1 Introduction Features of the HP NetRAID Series Adapters The HP NetRAID, HP NetRAID-1 and HP NetRAID-3Si adapters are highperformance, intelligent PCI-to-SCSI host adapters with RAID control capabilities. The HP NetRAID Series adapters have SCSI channels with both internal and external connections. Channels and Devices HP NetRAID Series adapters support channels with both internal and external connections. For each channel, you can have either one internal, or one external connection. HP NetRAID-3Si The HP NetRAID-3Si adapter has three channels with both internal and external connections. Both internal and external connections support: • Fast/Wide SCSI (at data transfer rates of up to 20 MB/sec per channel) • Ultra/Wide SCSI (at data transfer rates of up to 40 MB/sec per channel) Internal connections also support: • Ultra2 SCSI (at data transfer rates of up to 80 MB/sec per channel) The HP NetRAID-3Si adapter supports a maximum of six to eight devices per channel depending on the HP system and enclosure used. HP NetRAID-3Si Devices Per Channel Channel 0 1 2 Maximum Internal Connections 6 6 6 Maximum External Connections* 6 or 8 6 or 8 6 or 8 * External storage with the HP Storage System/6 supports a maximum of six Fast/Wide SCSI devices, while external storage with the HP Rack Storage/8 supports a maximum of eight Fast/Wide or Ultra/Wide SCSI devices. 2