My AccountWhere To BuyDownloads Compatibility ReportsMy Account
ESDI hard disk controller
Small Image of ACB-2322A
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

obsolete product info (html 69 kb)

The ACB-2322A Features

IBM hardware compatible
IBM software compatible
Supports two enhanced small disk interface (ESDI) drives
Highest AT ESDI performance
Non-interleaved operation
Can support more than 1024 cylinders under DOS
Can support up to 1 Gigabyte under DOS
17 sector translation
64K Byte buffer
Multi-track read-Ahead
Optional on-board Adaptec ACB-BIOS
ACB-BIOS low-level primary format
ACB-BIOS ability to read ESDI drive parameters
ACB-BIOS ability to read ESDI manufacturer's defect list
ACB-BIOS ability to add grown defects, save and protect all defect lists
ACB-BIOS sector-level defect mapping
ACB-BIOS dynamic skewing
ACB-BIOS data verification using worst case data patterns
ACB-BIOS autoconfiguration of ESDI drives
Shadow RAM
ACB-BIOS defaults and help messages
XT height board
High component integration using Adaptec ICs
Use of surface mount technology
5 year warranty

Hardware and Software System Requirements

The ACB-2322A can be installed in any IBM PC AT-compatible computer with the following:
One 5 1/4" or 3 1/2"floppy diskette drive
An ESDI Winchester (hard) disk drive
20-pin and 34-pin flat or twisted ribbon cables for hard disk
IBM PC or MS-DOS version 3.0 or higher, system and supplemental program diskettes

Power Consumption

5V +/- 5V, 0.87 Amp (typical)

Operating Characteristics

0°C to 55°C (32°F to 131"F)
0% to 95% non-condensing relative humidity
Altitude-feet: Sea Level to 10,000

Storage Characteristics

-40°C to 75°C (-40°F to 167°F)
10% to 95% non-condensing relative humidity
Altitude-feet: Sea Level to 20,000

MTBF (mean time between failures, Bellcore)

80,000 at 55°C