Adaptec 2940 Installation Guide - Page 2

Introduction - aha bios

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1 Introduction The Adaptec AHA®-2940 and AHA-2940W PCI-toFast SCSI host adapters provide a powerful multitasking interface between your computer's PCI bus and SCSI devices (disk drives, CD-ROM drives, scanners, tape backups, removable media drives, etc.). Collectively, both host adapters are referred to as the AHA-2940/2940W. The following figures show the major components on the AHA-2940 and AHA-2940W. 50-pin 8-bit Internal LED Connector Host Adapter LED SCSI Connector 50-pin 8-bit External SCSI Connector Host Adapter BIOS AIC-78xx SCSI Protocol Chip Adaptec AHA-2940 68-pin 16-bit Internal SCSI Connector 50-pin 8-bit Internal SCSI Connector Host Adapter LED 68-pin 16-bit External SCSI Connector LED Connector Host Adapter BIOS AIC-78xx SCSI Protocol Chip Adaptec AHA-2940W 1 Downloaded from www.Manualslib.com manuals search engine

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1
Introduction
The Adaptec AHA
®
-2940 and AHA-2940W PCI-to-
Fast SCSI host adapters provide a powerful multi-
tasking interface between your computer’s PCI bus
and SCSI devices (disk drives, CD-ROM drives,
scanners, tape backups, removable media drives,
etc.). Collectively, both host adapters are referred to
as the AHA-2940/2940W. The following figures
show the major components on the AHA-2940 and
AHA-2940W.
1
Host Adapter BIOS
50-pin 8-bit Internal
SCSI Connector
Host Adapter LED
AIC-78xx SCSI Protocol Chip
50-pin 8-bit
External
SCSI
Connector
LED Connector
Adaptec AHA-2940
Host Adapter BIOS
50-pin 8-bit Internal SCSI Connector
Host
Adapter
LED
AIC-78xx SCSI Protocol Chip
68-pin 16-bit
External
SCSI
Connector
LED Connector
68-pin 16-bit
Internal SCSI
Connector
Adaptec AHA-2940W
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