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Leading the industry in UltraSCSI performance, the AHA-2940UW/OF and AHA-2944UW/OF host adapters are the ideal high-speed PCI-to-SCSI connection for UltraSPARC workstations and servers. This family of Open Firmware (OF) based host adapters moves data fast. Providing the highest available UltraSCSI transfer rate of up to 40 MByte/sec, these adapters meet the high-performance demands of disk-intensive applications, including multimedia production and digital video editing.
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Note: Only drivers that are not included or embedded within a supported operating system are listed below. To see a complete list of supported operating systems see the Product Specifications

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Sun Solaris

Hardware Installation
how to install your adaptec pci card (html 74 kb)
Product Documentation
User Guide for the AHA-2940UW-OF/2944UW-OF (PDF 667 KB)
Use Your Product
scsi terms explained (html 77 kb)
Number of devices
Up to wide 15 devices

Bus System Interface Type

32-bit PCI Bus master DMA
External Connectors
Single 68-pin high-density
Data Transfer Rate
40 MByte/sec

Device Protocol

SCSI-1, SCSI-2, SCSI-3, Wide UltraSCSI

Advanced Features

  • Multithreaded I/O (up to 255 tasks simultaneously)
  • Scatter/gather
  • Disconnect/reconnect
  • Tagged command queuing
  • Synchronous and asynchronous data transfer

Electrical Connectors

Automatic, active, programmable via SCSISelect

Operating Environment

Solaris 2.5.1 and 2.6

Regulatory Compliance

FCC Class B, CE, IEC

Board Dimensions

6.87 inches (17.0 cm) x 3.87 inches (9.5 cm)

Power Consumption

5 V +/- 5% at 2.0 amps maximum

Operating Characteristics

0ºC to 55ºC
10% to 90%, noncondensing humidity

Storage Characteristics

-55ºC to 85ºC