Adaptec AHA-2740-T User Manual download pdf (Page 32)

Quick Installation

The following installation procedures are intended to help experi-

enced users quickly install the AHA-2740 Series of host adapters

into an EISA computer system.

If you are new to computer peripheral installation or would like

more information, refer to the more comprehensive instructions

and illustrations found in the Installation section of this chapter.

Prepare Your SCSI Devices

Before you physically install the host adapter and connect the

SCSI devices, you must prepare your SCSI devices for installa-

tion on the SCSI bus:

➤

1 Terminate the endpoints of the SCSI bus.

Identify which two SCSI devices (including the host adapter)

will form the physical endpoints of your SCSI bus. These

devices at the ends of the SCSI bus must have a set of resis-

tors called terminators either installed or enabled. All other

SCSI devices installed between the ends of the SCSI bus

must have their terminators either removed or disabled.

Enabling or disabling host adapter termination is software

selectable only. The factory installed bus terminators on the

AHA-2740 Series are enabled by default.

To disable termination on the host adapter, refer to Chapter

3, Configuring the Host Adapter for instructions. Refer to the

SCSI device documentation for information on enabling or

disabling SCSI termination on other SCSI devices.

2 Verify that each SCSI device located on the SCSI bus is set to

a unique SCSI ID (0-7).

The default value for your host adapter is SCSI ID 7. Refer to

Chapter 3, Configuring the Host Adapter for instructions on

changing the SCSI ID for the host adapter. Refer to the SCSI

device documentation for information on changing the SCSI

ID on other SCSI devices.

Adaptec AHA-2740 Series User’s Manual

Stock Number: 510381-00 / Rev. C (Page 2-5)

Print Spec Number: 491709-00 Rev C

Current Date: 9/1/93 ECN Date: 9/14/93

Getting Started

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Adaptec AHA-2740-T User Manual Page 32