Контроллер Controller Adaptec AHA-3940UW, Ultra Wide SCSI Host Adapter, ext: 1x68-pin, int: 2x68-pin, PCI

Описание

Each AHA-3940UW host adapter has two SCSI channels, each of which functions as an independent host adapter. With the AHA-3940UW, you can connect up to fifteen 16-bit (Wide) SCSI devices per channel. Using a 68-pin-to-50-pin converter, you can also combine 8-bit and 16-bit SCSI devices, up to 15 per channel; up to seven can be 8-bit devices.

Характеристики

Number of devices
	Up to 30 devices

Bus System Interface Type
	PCI Local Bus

External Connectors
	One 68-pin high-density external connector share channel A.

Internal Connectors
	One 68-pin, high-density internal connector channel A and B

Data Transfer Rate
	80 MByte/sec (40 MByte/sec per channel)

Package Contents
	AHA-3940U or AHA-3940UW PCI MultiChannel host adapter with SCSISelect utilityAdaptec EZ-SCSI software for DOS and WindowsAdaptec 7800 Family Manager Set softwareAdaptec CI/O Single Server software Complete hardware and software documentationTwo internal SCSI ribbon cables (external cable not included)

Warranty
	5 years

Supported Protocols 16-bit UltraSCSI Advanced SCSI Features Advanced SCSI Programming Interface (ASPI) compliant Multitasking operating system support (through scatter/gather, disconnect/reconnect, tagged command queuing support) Independent negotiation of high-speed data transfers (Fast, Wide, and synchronous) with each device Support for 255 simultaneous active SCSI commands per channel SCSI channels Two fully independent PCI SCSI channels bridged to system PCI bus Electrical drivers Single-ended and active termination. Board Dimensions 6.875" x 4.0" (17.463 cm x 10.16 cm) Power Consumption 5 V +/- 5% at 2.0 amps maximum Operating Characteristics 23 F to 140 F (-5 C to 60 C)10% to 95% Relative Humidity, non condensing Storage Characteristics -76 F to 203 F (-60 C to 95 C)