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LSI U40HVD Disconnect –, Width (bits) –, Sync Rate (MBytes/sec) –, Figure 3.8 Device Selections Menu (Cont.)

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Here is an example of this menu:

Figure 3.8 Device Selections Menu (Cont.)

LSI53C875

Inside device

Sync Rate

Width

Disconnect

Read/Write I/O Timeout

Scan for Device at Boot Time

Scan for SCSI LUNs

Queue Tags

Initial Boot

Format

Verify

Help

Restore Default Setup

Exit this menu

Please review the descriptions of each option below before changing any values.

Sync Rate (MBytes/sec) – This option deﬁnes the maximum data transfer rate the host adapter will attempt to negotiate. The host adapter and a SCSI device must agree to a rate they can both handle.

Width (bits) – This option deﬁnes the maximum SCSI data width the host adapter will attempt to negotiate. The host adapter and a SCSI device must agree to a width they can both handle. Only chips that can do 16-bit data transfers have this option enabled.

Disconnect – SCSI devices have the ability to disconnect from the initiator during an I/O transfer. This disconnect option frees the SCSI Bus to allow other I/O processes. Additionally, it tells the host adapter whether or not to allow a device to disconnect. Some devices run faster with disconnects enabled (mostly newer devices), while some run faster with disconnects disabled (mostly older devices).

3-12	Conﬁguring the LSIU40HVD

Contents

USER’S GUIDE Electromagnetic Compatibility Notices Page Page Preface Page Contents Appendix A Appendix B Glossary Terms and Abbreviations Index Customer Feedback Figures Page Tables Page Using the LSIU40HVD 1.1General Description 1.2Features 1.2.1PCI Interface 1.2.2SCSI Interface 1.2.3Board Characteristics 1.3Interface Descriptions 1.3.1The PCI Interface 1.3.2The SCSI Interface 1.3.3Ultra SCSI Installing the LSIU40HVD 2.1Quick Installation Procedure Page 2.2Detailed Installation Procedure 2.2.1Before You Start 2.2.2Inserting the Host Adapter Figure 2.1 Hardware Connections for the LSIU40HVD 2.2.3Connecting the SCSI Peripherals Table SCSI Bus Widths and Speeds Figure 2.3 SCSI Cables 2.2.3.1Making Internal SCSI Bus Connections Page Figure 2.5 Internal SCSI Ribbon Cable to Internal SCSI Device Connection Figure 2.6 Connecting Additional Internal SCSI Devices Page Figure 2.8 SCSI LED Connectors 2.2.3.2Making External SCSI Bus Connections Figure 2.9 External Cable to Host Adapter Figure 2.10 External Cable to External SSI Device 2.2.4SCSI Bus Termination 2.2.4.1Internal SCSI Connections Figure 2.12 Internal SCSI Device Termination 2.2.4.2External SCSI Connections Figure 2.13 External SCSI Device Termination 2.2.4.3Internal and External SCSI Connections Figure 2.14 Internal and External SCSI Device Termination 2.2.5Setting SCSI IDs 2.3Setting Interrupts 2.4Completing the Installation Page Conﬁguring the Page Page Page Page Page Page Page Page Page Page Page Page Page Appendix A Technical Speciﬁcations A.1 Physical Environment A.1.1 Physical Characteristics A.1.2 Electrical Characteristics A.1.3 Thermal, Atmospheric Characteristics A.1.4 Electromagnetic Compliance A.1.5 Safety Characteristics A.2 Operational Environment A.2.1 The PCI Interface Table A.2 PCI Connector J1 (Front) Table A.3 PCI Connector J1 (Back) A.2.2 The SCSI Interface Table A.4 SCSI Connectors J2/J5 and J3/J6 A.2.3 The LED Interface Page Appendix B Glossary Terms and Abbreviations Conﬁguration CPU DMA Bus Master Device Driver File Firmware Hard Disk Host Host Adapter Motherboard Multitasking Multithreading NVRAM Operating System Port Address Port Number Queue Tags RAM RISC Core SCSI ID SDMS Single-Ended STA Synchronous Data Transfer Wide SCSI Wide Ultra SCSI Wide Ultra2 Word Page Index Page Customer Feedback Reader’s Comments http://www.lsilogic.com/contacts/na_salesofﬁces.html