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Adaptec AHA-2940W Technical Specifications (Rev 1.9.1)

Computer Bus

PCI local-bus

Interface Protocol

Bus master DMA.

Host Bus Data Transfer Rate

Up to 133 Mbytes./sec burst rate.

SCSI Synchronous Data Rate

20 Mbytes/sec (Fast and Wide SCSI, AHA-2940W)

SCSI Asynchronous Data Rate

6 Mbytes/sec (AHA-2940W)

Device Protocol

SCSI-3 (AHA-2940W)

Advanced SCSI Features

Advanced SCSI Programming Interface (ASPI) compliant, multi-threaded I/O, scatter/gather, tagged queuing, disconnect/reconnect, synchronous and asynchronous Fast and Wide.

Electrical Drivers

Single-ended, active, programmable via SCSISelect configuration utility.

Bus Width


Hard Disk Capacity

Extended translation scheme supports up to eight (8) Gbytes per disk.

Adaptec BIOS

Supports upto seven (7) disks under DOS 5.0.

I/O Operating Environment

Wndows NT, Windows for Workgroups, OS/2, NetWare, UNIX (SCO, UnixWare)

Physical Dimension

Length: 5.8 in
Width: 3.9 in

Environmental Ranges

Operating Temperature: 32 to 131 F (0 to 55 C).
Storage Temperature: -40 to 167 F (-40 to 75C)
Humidity (operating): 10% to 95% non-condensing.

Power Requirements: Operating Voltage

+5 0.25 Volts @ 2.0 Amps maximum.


Computing for a Connected World