Контроллер Controller Adaptec AHA-3950U2B, Ultra2 SCSI, 2 channels, PCI 64 bit, PCI hot plug, up to 160 MB/s, I20 ready

Описание и характеристики

Cache Memory :  Dual Address Cycle (DAC) provides greater system memory addressability. Target mode for supporting clustering,bridge and RAID applications. Multitasking operating system support (through scatter/gather, disconnect/reconnect, tagged command queuing support). Advanced multimode Ultra2 SCSI I/O cell for supporting Ultra2 (LVD) or single-ended (SE) devices. Support for 255 simultaneous active SCSI commands per channel. JTAG boundary scan to support system level interconnect testing. 3.3V / 5V PCI interface for providing flexibility for designing high-performance, low-power systems. Enhanced Logical Unit Number (LUN) supports up to a maximum of 32 LUNs. I2O-ready system compatible. PCI Hot-Plug compatible. 
Number of devices :  Up to 30 devices
Bus System Interface Type :  64-bit Bus Master DMA (backwards compatible w/32-bit PCI)
External Connectors :  68-pin High-Density Ultra2 SCSI (Channel A) 
Internal Connectors :  68-pin High-Density Ultra2 SCSI (Channel A). 68-pin High-Density Ultra2 SCSI (Channel B). 50-pin Ultra SCSI (Channel B) - for use when dedicating Channel B to legacy SCSI support. 
Data Transfer Rate : Up to 80 MByte/sec on each Ultra2 SCSI channel for total bandwidth of 160 MByte/sec. Two 20-MIPS PhaseEngine RISC processors for fast SCSI command processing. Two 512-byte data FIFO buffers for efficient PCI bus utilization