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AHA-3940UWD
Small image of the AHA-3940UWD
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

IBM OS

IBM OS-2

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 78 KB)
SCSI termination Q&A (HTML 75 KB)
Installing Drivers or Software
CD install Netware 401 (HTML 73 KB)
7800 Netware instructions (HTML 85 KB)
7800 Family Manager Set 98 Contents (HTML 72 KB)
Installing 98 driver (HTML 73 KB)
Windows 98 issues (HTML 74 KB)
7800 Miniport Issues in 95 (HTML 74 KB)
Installing Windows NT Driver (HTML 86 KB)
AIC7870.dsk options (HTML 80 KB)
7800 Netware contents (HTML 74 KB)
7800 issues for Netware (HTML 75 KB)
7800 Netware Notes (HTML 74 KB)
Miniport Options (HTML 74 KB)
OS/2 driver installation (HTML 72 KB)
Loading Adaptec DSK Drivers (HTML 75 KB)
netware 3.12 cd install (HTML 72 KB)
7800 UNIX Driver Instructions (HTML 79 KB)
OS/2 driver Notes (HTML 81 KB)
7800 OS/2 diskette (HTML 73 KB)
7800 os/2 issues (HTML 72 KB)
SCO Unix Driver Installation (HTML 79 KB)
Interoperability
7800 FMS Support list (HTML 75 KB)
Product Documentation
User Guide for the AHA-3940U/UW/UWD (PDF 473 KB)
Install Guide for the AHA-3940U/UW/UWD (PDF 161 KB)
Use Your Product
SCSI<i>Select</i> User's Guide (HTML 87 KB)
SCSI Terms Explained (HTML 81 KB)
Sense Codes Described (HTML 100 KB)
Number of devices
Up to 30 devices

Bus System Interface Type
PCI Local Bus
External Connectors
Two 68-pin Very High Density external connectors
Internal Connectors
One 68-pin, high-density internal connector channel A and B
Data Transfer Rate
80 MByte/sec (40 MByte/sec per channel)
Package Contents
AHA-3940UWD 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 documentationTwo internal SCSI ribbon cables (external cable not included)
Warranty
5 years

Supported Protocols

16-bit UltraSCSI

Advanced SCSI Features

Advanced SCSI Programming Interface (ASPI) compliant
Multitasking operating system support (through scatter/gather, disconnect/reconnect, tagged command queuing support)
Independent negotiation of high-speed data transfers (Fast, Wide, and synchronous) with each device
Support for 255 simultaneous active SCSI commands per channel

SCSI channels

Two fully independent PCI SCSI channels bridged to system PCI bus

Electrical drivers

Single-ended and active termination.

Board Dimensions

6.875" x 4.0" (17.463 cm x 10.16 cm)

Power Consumption

5 V +/- 5% at 2.0 amps maximum

Operating Characteristics

23 F to 140 F (-5 C to 60 C)10% to 95% Relative Humidity, non condensing

Storage Characteristics

-76 F to 203 F (-60 C to 95 C)
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