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The Adaptec ACB-2370 is a high-performance 2,7 RLL Hard Disk Controller for the IBM PC/AT and equivalent personal computers.
Small Image of ACB-2370
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

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Bios Updates and Other Downloadable Files

Bios Updates and Other Downloads

obsolete product info (html 69 kb)
Product Documentation
User Guide for the ACB 2370 (PDF 1 MB)
System Requirements
The ACB-2370 can be installed in any IBM PC/AT or equivalent IBM compatible computer with:One 5 1/4" floppy diskette driveRoom for one 5 1/4" or 3 1/2" Winchester (hard) disk drive20-pin and 34-pin flat ribbon cables for hard diskPC or MS-DOS version 3.0 or newer revisions, system and supplemental program diskettes

The ACB-2370 Features

IBM hardware compatible
IBM software compatible
Supports two 2,7 run-length (RLL) qualified ST412/506 drives
Highest AT 2,7 RLL performance
Non-interleaved operation
Most accurate 2,7 RLL data separator
Optional on-board Adaptec ACB-BIOS
ACB-BIOS low-level primary format
ACB-BIOS ability to add grown defects, save and protect all defect lists
ACB-BIOS sector-level defect mapping
ACB-BIOS data verification using worst case data patterns
ACB-BIOS autoconfiguration of any 2,7 RLL drive, not in AT system BIOS
ACB-BIOS large disk logical partitioning
ACB-BIOS downloadable DOS driver
XT height board
High component integration using Adaptec ICs
Use of surface mount technology

Power Consumption

5V +/- 5V, 1.5 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)

20,000 POH @ 55 C