Q-Logic QLA12160 manual Setting the Scsi Termination, Scsi Termination Power

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Setting the SCSI Termination

2 – Hardware Installation

Figure 2-1identifies the QLA12160 board components referenced throughout this section.

DC8110402

J9

SCSI LED

J5J6 J7J8

4

1

J1J3

3 3 3 3

ISP CHIP

J2

Figure 2-1.QLA12160 Board Layout

2.3

Setting the SCSI Termination

Termination for the QLA12160 board is set automatically in most cases. You can change the termination using the Fast!UTIL software (see section A.2.3).

Termination for the QLA12160 board also can be set using jumpers (see section B.2).

2.4

SCSI Termination Power

The QLA12160 board supplies termination power to itself and to the SCSI bus. The circuit is protected by a self-restoring fuse.

2.5

Installing the Device Activity Light

If the SCSI disk is assigned as drive C (boot drive), you can connect the device activity light on the front panel of the PC to indicate boot drive activity. Connect the

2-2

BC8151101-00 C

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Contents Hardware Installation Guide for QLA12160 Board QLogic Corporation Table of Contents Figures Product Description IntroductionScsi Data Transfer Rates Features Mixed Peripheral Support Features Preinstallation Procedures Hardware InstallationWhat You Need for Installation Scsi Termination Power Setting the Scsi TerminationInstalling the Device Activity Light Installation in the Computer Number Installation Help Installation Help Hardware Problem Checklist TroubleshootingProblems After Installation System Configuration Problem ChecklistScsi Problem Checklist Maximum Cable LengthConfiguration Settings IntroductionHost Adapter Settings Table A-1. Host Adapter SettingsScsi Device Settings Table A-2. Scsi Device SettingsEnable Device Scsi Bus Settings Table A-3. Scsi Bus SettingsScsi termination Table A-4. QLA12160 PortsAutoconfigure Scsi Devices Selectable Boot SettingsRaw Nvram Data Restore Default SettingsUsing SCSI-1 Devices Scan Scsi BusFast!UTIL Using SCSI-1 Devices Using SCSI-1 Devices Fast!UTIL DC8151101-00 C Scsi Termination Termination Jumpers for the QLA12160Figure B-1. QLA12160 Jumper Termination Table C-2. QLA12160 Board Specifications SpecificationsTable C-1. QLA12160 Board Operating Environment Specifications