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The AAA-131CA array adapter caches, reads, and writes, while intelligently striping data on two or more drives for maximum I/O subsystem performance. For applications that require fault tolerance, RAID 1 (mirroring) support is included. An easy-to-use GUI-based interface saves time and ensures proper installation.
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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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Bios Updates and Other Downloadable Files

Bios Updates and Other Downloads


Microsoft Windows NT

Hardware Installation
how to install your adaptec pci card (html 74 kb)
Product Documentation
User's Guide for Array Management Software (PDF 832 KB)
Adaptec SCSI RAID Card Family (PDF )
Install Guide for the AAA-131CA (PDF 620 KB)
AAA 131CA Wide PCI-TO-Wide UltraSCSI Array Adapter (PDF 72 KB)
Use Your Product
sense codes described (html 96 kb)
Cache Memory
Write Cache--Write-back and Write-through
Number of devices
Data striping (RAID 0) for performanceMirroring (RAID 1) for fault tolerance Warm Swap Drive Support Hot Swap Drive Support Hot Spare Drive Support Dynamic Sector Repairing

Bus System Interface Type

32-bit PCI Local Bus
External Connectors
68-pin (internal-to-external converter available)
Internal Connectors
50 and 68-pin
Data Transfer Rate
Up to 40 MByte/sec
System Requirements
PCI-based 166 MHz Pentium, or equivalent, motherboard with PCI-PCI bridge support One or more SCSI devices 64-MBytes of system memory Windows NT Workstation 3.51 or 4.0
Package Contents
AAA-131CA PCI-to-Wide UltraSCSI array adapter with 16-MByte SIMMOne 68-pin, 5-position internal cable with active terminationOne 50-pin, 5-position internal cable with active terminationAdaptec ArrayConfigCA initial boot array Installation Wizard softwareArray1000CA Family Manager Set software for Windows NT Workstation 3.51 and 4.0Adaptec CI/O Workstation Array Management software
5 year limited warranty

Device Protocol

SCSI Ultra, Fast, and Wide (8- and 16-bit) 20 MHz

Advanced SCSI Features

SCSI PhaseEngine® coprocessor
255 simultaneous commands
Tagged command queuing

Electrical Drivers

Single-ended and active

SCSI Channels

Independent PCI UltraSCSI channels bridged to system PCI bus

Array Support

Installation Wizard Bootable Arrays

Board Dimensions

6.93 inches (17.602 cm) by 4.2 inches (10.668 cm)

Power Consumption

5V +/- 5%

Operating Characteristics

41 F to 131 F (5 C to 55 C)
20% to 90%, non condensing

Storage Characteristics

-76° F to 131° F(-60 C to 55 C)
20% to 90%, non condensing