The SCSI Card 2920A is the easiest way to add up to seven Fast SCSI peripherals that make Pentium-based PCs more versatile. The SCSI Card 2920A's bus mastering feature gives a great performance boost to desktop applications like graphics and multimedia.
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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




Microsoft DOS
Microsoft Windows 3.1x
Microsoft Windows 95
Microsoft Windows NT

Novell NetWare

Novell NetWare Downloads


SCO Unix

Hardware Installation
how to install your adaptec pci card (html 74 kb)
Installing Drivers or Software
cdrom in dos (html 68 kb)
Product Documentation
Install Guide for the AHA-2920A (PDF 504 KB)
Use Your Product
sense codes described (html 96 kb)
Number of devices
Supports up to 7 total

Bus System Interface Type

32-bit PCI
External Connectors
50-pin high-density SCSI-2 (female)
Internal Connectors
50-pin standard (male)
Data Transfer Rate
up to 10 MB/sec
System Requirements
IBM-compatible PC-486, Pentium, or above Windows 95, Windows NT, Windows 3.1, MS-DOS 6.0, OS/2, NetWare, SCO UNIX or UnixWare Operating System PCI expansion slot SCSI peripheral
Package Contents
AHA-2920 PCI-to-Fast SCSI card Adaptec EZ-SCSI software (on CD) 50-pin internal SCSI ribbon cable (external cable is not included) Quick installation guide Reference guide Registration card
5-year limited warranty

Device Protocol

Fast SCSI-2

Boot Support

Bootable (on-board BIOS)

Board Dimensions

4.7" (11.9 cm) L
3.0" (7.6 cm) H

Power Consumption

+5.0 +/- 0.25 Volts at 2.0 amps maximum

Operating Characteristics

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

Storage Characteristics

-55 C to 85 C (-67 F to 185 F)

MTBF (mean time between failures, Bellcore)

577,931.2 hours