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Adaptec AHA-2940 Technical
Specifications (Rev 1.11.1)
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
10 Mbytes/sec (Fast SCSI, AHA-2940)
SCSI Asynchronous Data Rate
3 Mbytes/sec (AHA-2940)
Device Protocol
SCSI-2 (AHA-2940)
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 32-bit.
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 75°C)
Humidity (operating): 10% to 95% non-condensing.
Power Requirements:
Operating Voltage +5 ±0.25 Volts @ 2.0 Amps maximum.
BIOS History
Release: 1.23
Date: 3 April, 1996
CheckSUM EC00
Changes New Adaptec production boards will be fitted with this BIOS. This release is to
upgrade older boards.
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