LSI SYM22801 Manual de usuario Pagina 1

®Symbios™ SYM22801 Dual Channel PCI to Ultra SCSI Host AdapterS14017User’s GuideVersion 2.0

x Preface•Appendix B, Glossary of Terms and Abbreviations, provides definitions of various terminology that is referenced throughout this user’s guide

Symbios SYM22801 Dual Channel PCI to Ultra SCSI Host Adapter 1-1Chapter 1Using the SYM22801 Host AdapterThis chapter describes how the SYM22801 Host A

1-2 Using the SYM22801 Host Adapter1.2 FeaturesThis section provides a high level overview of the PCI Interface, the SCSI Interface, and Board Chacte

Interface Descriptions 1-31.3 Interface DescriptionsThis section provides a more detailed explanation about the PCI Interface, The SCSI Interface, an

1-4 Using the SYM22801 Host Adapteronly the upper 8 data bits are automatically terminated. The SYM22801 supplies SCSI bus TERMPWR (termination power)

Symbios SYM22801 Dual Channel PCI to Ultra SCSI Host Adapter 2-1Chapter 2Installing the SYM22801 Host AdapterThis chapter provides instructions on how

2-2 Installing the SYM22801 Host AdapterCaution:Ground yourself by touching a metal surface before handling boards. Static charges on your body can da

Detailed Installation Procedure 2-3Step 10. Replace the cabinet cover as described in the user’s manual for your computer.Step 11. Make all external S

2-4 Installing the SYM22801 Host AdapterThe SCSI host adapter acts on your computer’s behalf as the host to your suite of SCSI peripherals. Each chain

Detailed Installation Procedure 2-5Figure 2.1 Hardware Connections for the SYM22801 Host AdapterStep 6. Carefully insert the edge connector J1 (see Fi

Federal Communications Commission (FCC) Declaration of Conformity

2-6 Installing the SYM22801 Host AdapterFigure 2.2 Inserting the Host AdapterStep 8. The bracket around the connectors J3 and J7 (see Figure 2.1) shou

Detailed Installation Procedure 2-7All external SCSI bus connections to the SYM22801 host adapter are made with shielded, 68-conductor cables (see Fig

2-8 Installing the SYM22801 Host Adapter3 meters (total internal and external cable lengths), even with fewer than four devices. The SYM22801 autoterm

Detailed Installation Procedure 2-9Figure 2.4 Internal Wide SCSI Ribbon Cable to Host Adapter ConnectionStep 2. To connect an 8-bit internal SCSI devi

2-10 Installing the SYM22801 Host AdapterFigure 2.5 Internal SCSI Ribbon Cable to Host Adapter ConnectionStep 3. Plug the 68 or 50-pin connector on th

Detailed Installation Procedure 2-11Figure 2.6 Internal SCSI Ribbon Cable to Internal SCSI Device ConnectionStep 4. Additional internal SCSI devices a

2-12 Installing the SYM22801 Host AdapterFigure 2.7 Connecting Additional Internal SCSI Devices

Detailed Installation Procedure 2-13Figure 2.8 Multiple Internal SCSI Devices Chained TogetherStep 5. It is also possible to use both internal connect

2-14 Installing the SYM22801 Host AdapterFigure 2.9 Using Both Internal Connectors on a ChannelNote:When two connectors are already used on a channel,

Detailed Installation Procedure 2-15Figure 2.10 SCSI LED ConnectorsSome LED cables have only two wires. In this case, place the connector on one end o

iiiThis document contains proprietary information of LSI Logic Corporation. The information contained herein is not to be used by or disclosed to thir

2-16 Installing the SYM22801 Host AdapterFigure 2.11 External Cable to Host AdapterStep 2. Plug the 68-pin connector on the other end of the shielded

Detailed Installation Procedure 2-17Figure 2.12 External Cable to External SCSI DeviceStep 3. To connect more than one external SCSI device to the hos

2-18 Installing the SYM22801 Host AdapterFigure 2.13 Multiple External SCSI Devices Chained Together2.3 SCSI Bus TerminationThe devices making up the

SCSI Bus Termination 2-19The peripheral device terminators are usually set with jumpers, resistor modules, or with a switch on the peripheral. Refer t

2-20 Installing the SYM22801 Host AdapterFigure 2.14 shows an example of how termination is determined for this SCSI bus configuration.Figure 2.14 Int

SCSI Bus Termination 2-21Figure 2.15 External SCSI Device Termination2.3.3 Internal and External SCSI ConnectionsIf you have internal and external SC

2-22 Installing the SYM22801 Host AdapterFigure 2.16 Internal and External SCSI Device Termination2.3.4 Internal SCSI Connections for Both Internal C

SCSI Bus Termination 2-23Figure 2.17 shows an example of how termination is determined for this SCSI bus configuration. If you connect the SYM22801 i

2-24 Installing the SYM22801 Host AdapterFour switches for each channel provide cable detection simulation and forced upper line termination. Switch o

SCSI Bus Termination 2-25Figure 2.18 Termination Override Switch Settings for U1 and U22.3.5 Setting SCSI IDsYou must set each SCSI device and the ho

iv

2-26 Installing the SYM22801 Host AdapterThe peripheral device SCSI IDs are usually set with jumpers or with a switch on the peripheral. Refer to the

Setting Interrupts 2-272.4 Setting InterruptsYou should not normally have to change the default interrupt routing for the SYM22801, since performance

2-28 Installing the SYM22801 Host Adapter2.5 Completing Your InstallationBefore replacing the cover on your computer, review this installation proced

Symbios SYM22801 Dual Channel PCI to Ultra SCSI Host Adapter 3-1Chapter 3Configuring the Host AdapterThis chapter discusses how to change configuratio

3-2 Configuring the Host Adapter3.2 Starting the SCSI BIOS Configuration UtilityIf you have SCSI BIOS version 4.xx, and it includes the Symbios SCSI

Starting the SCSI BIOS Configuration Utility 3-3Important: This SCSI BIOS Configuration Utility is a powerful tool. If, while using it, you somehow di

3-4 Configuring the Host AdapterBelow the list of host adapters on the Main Menu display, you see eight options. They are described in detail below. I

Starting the SCSI BIOS Configuration Utility 3-5To change an adapter's boot order, select it and press Enter. You are then prompted to enter the

3-6 Configuring the Host Adapter3.2.1.6 LanguageIf enabled, the Language option allows you to select from five languages for the configuration utilit

Starting the SCSI BIOS Configuration Utility 3-73.2.2.1 Adapter Setup Menu When you select Adapter Setup, the corresponding menu appears. Here is an

Contents vContentsChapter 1 Using the SYM22801 Host Adapter1.1 General Description 1-11.2 Features 1-21.2.1 PCI Interface 1-21.2.2 SCSI Interface 1-21

3-8 Configuring the Host AdapterNote: When disabling parity checking, it is also necessary to disable disconnects for all devices, as parity checking

Starting the SCSI BIOS Configuration Utility 3-9With Media Installed provides removable media support wherever the drive(s) actually resides.One of th

3-10 Configuring the Host Adapter3.2.3 Device Selections Menu When you select the Device Selections option, the corresponding menu appears:The settin

Starting the SCSI BIOS Configuration Utility 3-11.Please review the descriptions of each option below before changing any values.Sync Rate (Mbytes/s)

3-12 Configuring the Host AdapterDisconnect – SCSI devices have the ability to disconnect from the initiator during an I/O transfer. This disconnect

Exiting the SCSI BIOS Configuration Utility 3-13Verify – This option allows the user to read all the sectors on a disk looking for errors. When selec

3-14 Configuring the Host Adapter

A-1Appendix ATechnical SpecificationsThis section discusses the physical environment associated with the SYM22801 Host Adapter. It includes a mechanic

A-2 Technical SpecificationsFigure A.1 SYM22801 Mechanical DrawingA.2 Electrical CharacteristicsThe SYM22801 maximum power requirements, including SC

Operational Environment A-3A.2.1 Thermal, Atmospheric CharacteristicsThe board is designed to operate in an environment defined by the following para

vi ContentsChapter 3 Configuring the Host Adapter3.1 When to Configure the SYM22801 Host Adapter 3-13.2 Starting the SCSI BIOS Configuration Utility 3

A-4 Technical SpecificationsNote: The + 3.3 V pins are tied together and decoupled with high frequency bypass capacitors to ground. No current from th

Operational Environment A-5Table A.2 PCI Connector J1 (Back)11. Shaded signals are not connected.Signal Name Pin Signal Name Pin Signal Name PinTRST/

A-6 Technical SpecificationsA.3.2 The SCSI InterfaceThe SCSI interface operates as 8-bit or 16-bit, synchronous or asynchronous, single-ended bus, an

Operational Environment A-7Table A.3 SCSI Connectors J2/J6 and J3/J7Signal Name Pin Signal Name Pin Signal Name PinGND 1 GND 24 SD7/ 47GND 2 GND 25 SD

A-8 Technical SpecificationsTable A.4 SCSI Connectors J4/J8Signal Name Pin Signal Name PinGND 1 SD0/ 2GND 3 SD1/ 4GND 5 SD2/ 6GND 7 SD3/ 8GND 9 SD4/ 1

Operational Environment A-9A.3.3 The LED InterfaceThe LED interface on the SYM22801 is a four-wire arrangement that allows the user to connect an LED

A-10 Technical Specifications

Glossary of Terms and Abbreviations B-1Appendix BGlossary of Terms and AbbreviationsAddress A specific location in memory, designated either numerica

B-2 Glossary of Terms and AbbreviationsConfiguration Refers to the way a computer is set up; the combined hardware components (computer, monitor, keyb

Glossary of Terms and Abbreviations B-3Firmware Software that is permanently stored in ROM. Therefore, it can be accessed during boot time.Hard Disk A

Contents vii2.7 Connecting Additional Internal SCSI Devices 2-122.8 Multiple Internal SCSI Devices Chained Together 2-132.9 Using Both Internal Connec

B-4 Glossary of Terms and AbbreviationsMotherboard See Mainboard. In some countries, the term Motherboard is not appropriate.Multi-tasking The executi

Glossary of Terms and Abbreviations B-5Queue Tags A way to keep track of multiple commands that allows for increased throughput on the SCSI bus.RAM Ra

B-6 Glossary of Terms and AbbreviationsSCSI ID A way to uniquely identify each SCSI device on the SCSI bus. Each SCSI bus has eight available SCSI IDs

IX-1IndexAactive terminationsingle-ended SCSI 1-3, A-6adapter configuration menuexample 3-5adapter setup menuCHS mapping 3-9example 3-7host SCSI ID 3-

IX-2 Indexduplication of SCSI IDs 2-26Eelectrical characteristics A-2electromagnetic compliance A-3Escmain menu option 3-6Ext68 channel switch (switch

Index IX-3SYM22801 board A-2Qqueue tags option 3-12quick installation procedure 2-3quit optionmain menu 3-6Rribbon cable 2-6Ssafety characteristics A-

IX-4 Indexutilities menuadapter setup option 3-7–3-9device selections option 3-10–3-13example 3-6exiting 3-6Vverbose setting 3-5verify option 3-13VHDC

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viii Contents

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Preface ixPrefaceThis book is the primary reference and User’s Guide for the LSI Logic Symbios™ SYM22801 Dual Channel PCI to Ultra SCSI Host Adapter.