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AHA-3940AUW
The AHA-3940AUW is the newest revision of Adaptec's PCI dual channel card. The card does not use a PCI-PCI Bridge chip (PPB), but instead uses the latest dual channel ASIC from Adaptec, the AIC-7895.
Small image of the AHA-3940AUW
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

Microsoft

Microsoft DOS
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 80 KB)
Installing Drivers or Software
CD install Netware 401 (HTML 75 KB)
7800 Netware instructions (HTML 87 KB)
7800 Family Manager Set 98 Contents (HTML 75 KB)
Installing 98 driver (HTML 76 KB)
Windows 98 issues (HTML 76 KB)
7800 Miniport Issues in 95 (HTML 76 KB)
Installing Windows NT Driver (HTML 89 KB)
AIC7870.dsk options (HTML 82 KB)
7800 Netware contents (HTML 77 KB)
7800 issues for Netware (HTML 78 KB)
7800 Netware Notes (HTML 76 KB)
Miniport Options (HTML 76 KB)
7800 Diskette Contents (HTML 75 KB)
OS/2 driver installation (HTML 75 KB)
Loading Adaptec DSK Drivers (HTML 78 KB)
netware 3.12 cd install (HTML 75 KB)
OS/2 driver Notes (HTML 83 KB)
7800 OS/2 diskette (HTML 75 KB)
7800 os/2 issues (HTML 75 KB)
Interoperability
7800 FMS Support list (HTML 78 KB)
Product Documentation
Install Guide for the AHA-3940AU/AUW (PDF 224 KB)
Use Your Product
SCSI<i>Select</i> User's Guide (HTML 89 KB)
SCSI Terms Explained (HTML 84 KB)
Sense Codes Described (HTML 103 KB)
Number of devices
Up to 30 SCSI devices

Bus System Interface Type
32-bit PCI Local Bus, Rev 2.1 compliant bus interface
External Connectors
68-pin SCSI connector, Channel B
Internal Connectors
68-pin SCSI connector, Channel A68-pin SCSI connector, Channel B50-pin SCSI connector, Channel A
Data Transfer Rate
Up to 40.0 MBytes/sec Synchronous Wide UltraSCSI Data Rate per Channel
System Requirements
IBM compatible PC, the motherboard BIOS must support PCI-to-PCI bridges
Package Contents
AHA-3940AUW 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 Documentation
Warranty
5 years

Board Dimensions

6.875" L x 4.2" H (17.46 cm x 10.67 cm)

Power Consumption

5.0 +/- 0.25V (1.5A maximum)

Operating Characteristics

0°C(32°F) to 55°C(131°F)

Storage Characteristics

-55°C(-67°F) to 85°C(185°F)

MTBF (mean time between failures, Bellcore)

385,704.4 hours
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