Adaptec 3940UW User's Guide download pdf (Page 37)

2-17

Installing the Host Adapter and SCSI Devices

AHA-3940U/3940UW/3940UWD User’s Guide

Stock Number: 511041-00, Rev. B Page: 2-17

Print Spec Number: 494569-00

Current Date: 2/14/97 ECN Date: 2/17/97

Complete these steps to finish the installation process:

Replace and secure the cover of the computer case.

Reconnect the power cords to all external SCSI devices and the

computer.

Tu r n

the power to all devices.

Boot the computer.

If you need to change the configuration of the host adapter or SCSI

devices, follow the directions in Chapter 3, Configuring Your Host

Adapter. If you encounter any problems during installation, see

Chapter 5, Troubleshooting.

Running the Computer’s Setup Program

Normally, PCI-bus computers automatically configure the

AHA-3940U/3940UW/3940UWD IRQ, port address, and BIOS

address. In some cases, depending on what kind of motherboard

BIOS your computer uses, you may need to run the computer’s

Setup

program to enable the PCI bus parameters before your com-

puter can recognize the host adapter.

If your host computer does not recognize the host adapter after you

install it, enter the

Setup

program and check for PCI configuration

parameters. Usually you start the

Setup

program by pressing a key

or key combination when your computer boots and the host

computer BIOS message appears. The BIOS message normally states

the key or keys you must press to enter the

Setup

program. If you

are not sure, check the documentation for your computer.

If your computer has a combination of ISA (or EISA) boards and PCI

boards, you may need to configure the settings so that the IRQs used

by ISA/EISA boards are marked as Used and the PCI bus does not

try to assign them to other PCI boards. Also, some BIOS’s reserve a

set of available IRQs for PCI boards, and you have to assign these

IRQs manually.

Read the documentation for your computer’s

Setup

program to find

out more about configuration issues.

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Adaptec 3940UW User's Guide Page 37

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