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Home  Support  SCSI Host Adapters  AHA-2940U2W
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AHA-2940U2W
The SCSI Card 2940U2W (or AHA-2940U2W) is the latest in the line of Adaptec PCI host adapters. It has SCSI Ultra2 technology which uses Low Voltage Differential (LVD) circuitry designed into the CMOS to provide a bandwidth that is up to twice the current Ultra speeds and with cable lengths up to 25 meters.
Small image of the AHA-2940U2W
DownloadsDocumentationTechnical Specifications

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

Select your operating system or software below

Bios Updates and Other Downloadable Files

Bios Updates and Other Downloads

IBM OS

IBM OS-2

Linux Driver Source

Linux Driver Source Code

Microsoft

Microsoft DOS
Microsoft Windows 2000
Microsoft Windows 3.1x
Microsoft Windows 95
Microsoft Windows 98
Microsoft Windows Millennium
Microsoft Windows NT
Microsoft Windows Server 2008
Microsoft Windows Vista

Novell NetWare

Novell NetWare Downloads

Unix

SCO Unix
SCO UnixWare

Hardware Installation
How to Install Your Adaptec PCI Card (HTML 49 KB)
Differential SCSI (HTML 42 KB)
Ultra2 SCSI Termination (HTML 42 KB)
Installing Drivers or Software
CDROM in DOS (HTML 43 KB)
7800 Netware instructions (HTML 55 KB)
7800 Family Manager Set 98 Contents (HTML 42 KB)
Installing 98 driver (HTML 44 KB)
Windows 98 issues (HTML 44 KB)
7800 Miniport Issues in 95 (HTML 44 KB)
Installing Windows NT Driver (HTML 56 KB)
AIC7870.dsk options (HTML 50 KB)
7800 Netware contents (HTML 44 KB)
7800 issues for Netware (HTML 45 KB)
7800 Netware Notes (HTML 44 KB)
Miniport Options (HTML 44 KB)
7800 Diskette Contents (HTML 42 KB)
OS/2 driver installation (HTML 42 KB)
netware 3.12 cd install (HTML 42 KB)
OS/2 driver Notes (HTML 51 KB)
7800 OS/2 diskette (HTML 43 KB)
7800 os/2 issues (HTML 42 KB)
Installing 2940U2W in Netware 3.12 (HTML 43 KB)
Install Netware v3.12 (HTML 44 KB)
Interoperability
7800 FMS Support list (HTML 45 KB)
Intel 'Seattle' SE440BX-2 Motherboards (HTML 42 KB)
Product Documentation
SCSI Card 2940U2W Kit Contents (PDF 288 KB)
User Reference for the AHA-2940U2W (PDF 487 KB)
SCSI Card 2940U2W (PDF 90 KB)
Adaptec Ultra2 SCSI Card Family (PDF )
Install Guide for the AHA-2940U2W (PDF 3 MB)
Use Your Product
SCSI<i>Select</i> User's Guide (HTML 57 KB)
SCSI Terms Explained (HTML 51 KB)
Sense Codes Described (HTML 70 KB)
HotPlugging AHA-2940U2W (HTML 41 KB)
Number of devices
Up to 15 SCSI peripherals

Bus System Interface Type
32-bit PCI local bus
External Connectors
68-pin High-Density Ultra2 SCSI
Internal Connectors
68-pin High-Density Ultra2 68-pin High-Density Wide Ultra SCSI 50-pin High-Density Ultra SCSI
Data Transfer Rate
80 MByte/sec
Package Contents
AHA®-2940U2W PCI-to-Ultra2 SCSI cardAdaptec Family Manager Set software drivers for Windows NT™ 4.0 & 5.0, Windows® 95NetWare 3.1X & 4.X, SCO UnixWare 2.1.2, OS/2 Warp 3 & 4, and SCO Unix 3.2v4.2Adaptec EZ-SCSI™: Installation software plus a suite of 32-bit peripheral management applications68-pin Ultra2 SCSI internal cable with termination68-pin Wide Ultra SCSI internal cable50-pin Ultra SCSI internal cable50-pin internal-to-external Ultra SCSI cable with external bracketComplete user documentationFive-year warranty card
Warranty
5 year

Supported Protocols

SCSI-1
SCSI-2
SCSI-3
UltraSCSI

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
  • Bootable from attached disks

Hard Disk Capacity

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

Electrical Drivers

Single-ended, active, programmable via SCSISelect configuration utility
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