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The AHA-3985 is an 8-bit adapter. Each channel on these adapters supports up to seven 8-bit Fast SCSI devices.
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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

Novell NetWare

Novell NetWare Downloads

Hardware Installation
how to install your adaptec pci card (html 74 kb)
3940 pci bridge list (html 76 kb)
Product Documentation
Quick Reference: Array Software (PDF 170 KB)
Quick Reference: Hardware Installation (PDF 175 KB)
User Guide to Adaptec CI/O Management Software (PDF 1 MB)
User Guide for the AHA-398x Series (PDF 1 MB)
User Guide to Creating and Managing Arrays (PDF 750 KB)
Benchmark Report (PDF 97 KB)
Use Your Product
sense codes described (html 96 kb)
Number of devices
Up to 7 SCSI devices per channel

Bus System Interface Type

32-bit PCI Local Bus
External Connectors
50-pin high-density SCSI connector - Channel A
Internal Connectors
50-pin SCSI connector - Channel A50-pin SCSI connector - Channel B50-pin SCSI connector - Channel C
Data Transfer Rate
30 MBytes/sec SCSI synchronous data rate(10 MBytes/sec per channel)
System Requirements
An 80486DX or Pentium computer that complies with PCI Rev 2.0 and a motherboard BIOS that supports PCI-to-PCI bridgesA 64-KByte BIOS and multiple interrupts, and an available full-length PCI slot that supports bus mastering and PCI Int B
Package Contents
AHA-3985 MultiChannel PCI-SCSI RAID AdapterAdaptec RAID and driver software for NetWareAdaptec CI/O Single Server SoftwareSytron ProServe CX Lite tape backup software for NetWareDevice support for hard disk, removable, MO, CD-ROM tape, and DAT drives and scannersTwo internal, 5 position SCSI ribbon cables with active termination
5 years

Board Dimensions

12.28" L x 4.2" H (31.19 cm x 10.67 cm)

Power Consumption

5V +/- 5%

Operating Characteristics

5°C - 55°C (41°F to 131°F)

Storage Characteristics

-60°C to 150°C (-76°F to 302°F)