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The Adaptec ACB-2002A is a high performance 5 1/4" and 3 1/2" Winchester Disk Controller for the IBM PC or XT and equivalent personal computer. The ACB-2002A is an extension of Adaptec's ACB-2002 board. The ACB-2002A has Adaptec's BIOS installed, while the ACB-2002 requires the system integrator to supply his own BIOS. The ACB-2002A is a complete "plug and play" controller board and requires no special BIOS or software driver.
Small Image of ACB-2002
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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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Microsoft DOS

obsolete product info (html 69 kb)
Product Documentation
User's Guide for the ACB 2002A (PDF 1 MB)
System Requirements
The ACB-2002A can be installed in any IBM PC/XT or equivalent IBM compatible computer with:One 5 1/4" floppy diskette driveOne available system expansion slotRoom for one 5 1/4" or 3 1/2" Winchester (hard) disk driveExternal power supply or power boosterIBM PC/XT DOS version 2.0 or newer revisions

The ACB-2002A Features

Fully IBM hardware and software compatible
Fully IBM XT disk format compatible
Controls both 5 1/4" and 3 1/2" ST-506 type Winchester disk drives
On-board primary format utility
2 to 1 interleaving of the disk
User-defined drive parameters
Auto-configuration of the drive
Four standard drive tables in BIOS
Support of 2 ST506 type drives
Support of wedge servo drives such as Quantum, Syquest, Microscience Int'l and Tulin
13 microsecond high performance seek step rate
Power-on diagnostics and self diagnostics for controller self-checking
Seek and data check recovery
32-bit error correction code on both ID and data fields

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