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The ACB-2320D is an ESDI hard disk controller and this card controlls 2 AT hard disks
Small Image of ACB-2320D
DownloadsDocumentationTechnical Specifications
No drivers are currently available for this product from Adaptec.
There are a few possible reasons for this:

- The product is supported by embedded drivers that are available in the supported operating systems.

- The product is supported by drivers that are embedded in the product.

- The product was recently introduced and there are no new drivers available.

Product Documentation
Install Guide for the ACB 2320D (PDF 255 KB)
System Requirements
The ACB-2320D can be installed in any IBM PC AT-compatible computer with the following:One 5 1/4" floppy diskette driveOne available system expansion slotRoom for one 5 1/4" or 3 1/2" Winchester (hard) disk drive20-pin and 34-pin flat or twisted ribbon cables for hard diskIBM PC or MS-DOS version 3.0 or higher, system and supplemental program diskettes

The ACB-2320D 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
64 KByte buffer
Multitrack 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

Power Consumption

5V +/- 5V, 0.670 amp (typical)

Operating Characteristics

0°C to 55°C (32°F to 131"F)
10% 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)
Altitude-feet: Sea Level to 20,000

MTBF (mean time between failures, Bellcore)

80,000 at 55°C