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LSI LSI8750SP User Manual

Pci to ultra scsi host adapter
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USER'S
GUIDE
LSI8750SP
PCI to Ultra SCSI
Host Adapter
Version 2.1
N o v e m b e r 2 0 0 0
®
S14020.A

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Summary of Contents for LSI LSI8750SP

  • Page 1 USER’S GUIDE LSI8750SP PCI to Ultra SCSI Host Adapter Version 2.1 N o v e m b e r 2 0 0 0 ® S14020.A...
  • Page 2 Consult the dealer or an experienced radio/TV technician for help. Shielded cables for SCSI connection external to the cabinet are used in the compliance testing of this Product. LSI Logic is not responsible for any radio or television interference caused by unauthorized modification of this equipment or the substitution or attachment of connecting cables and equipment other than those specified by LSI Logic.
  • Page 3 LSI Logic; nor does the purchase or use of a product from LSI Logic convey a license under any patent rights, copyrights, trademark rights, or any other of the intellectual property rights of LSI Logic or third parties.
  • Page 5 Preface This book is the primary reference and user’s guide for the LSI Logic LSI8750SP PCI to Ultra SCSI Host Adapter. It contains a complete functional description for the LSI8750SP and includes complete physical and electrical specifications for the LSI8750SP.
  • Page 6 Related Publications PCI Storage Device Management System SDMS 4.0 User’s Guide, Order Number S14007.A Revision Record Revision Date Remarks 6/96 Final Version. 5/99 Document converted to LSI format. 11/00 All product names changed from SYM to LSI. Preface...

  • Page 7: Table Of Contents

    Internal SCSI Connections 2-18 2.2.8 External SCSI Connections 2-19 2.2.9 Internal and External SCSI Connections 2-20 2.2.10 Setting SCSI IDs 2-21 Completing the Installation 2-22 Chapter 3 Configuring the LSI8750SP When to Configure the LSI8750SP Starting the SCSI BIOS Configuration Utility Contents...
  • Page 8 The LED Interface Appendix B Glossary of Terms and Abbreviations Index Customer Feedback Figures Hardware Connections for the LSI8750SP Inserting the Host Adapter SCSI Cables Internal SCSI Ribbon Cable to Host Adapter Connection Internal SCSI Ribbon Cable to Internal SCSI Device Connection...
  • Page 9 Boot Order Menu Adapter Configuration Menu Utilities Menu Adapter Setup Menu Device Selections Menu 3-11 Device Selection Menu (Cont.) 3-12 LSI8750SP Mechanical Drawing Tables SCSI ID Record 2-21 Global Default Settings Device Default Settings Maximum Power Requirements PCI Connector J1 (Front)
  • Page 10 Contents...

  • Page 11: Chapter 1 Using The Lsi8750Sp

    Chapter 1 Using the LSI8750SP This chapter describes the LSI8750SP PCI to Ultra SCSI Host Adapter interface to PCI computer systems and includes these topics: • Section 1.1, “General Description,” page 1-1 • Section 1.2, “Features,” page 1-2 • Section 1.3, “Interface Descriptions,” page 1-3 1.1 General Description...

  • Page 12: Features

    This guide, along with the PCI Storage Device Management System SDMS 4.0 User’s Guide, contains product information and installation instructions to help you gain the full benefits of the LSI8750SP. 1.2 Features This section provides a high level overview of the PCI Interface, the SCSI Interface, and Board Characteristics for the LSI8750SP.

  • Page 13: Interface Descriptions

    LSI53C875. The LSI53C875 connects directly to the SCSI bus and generates timing and protocol in compliance with the SCSI standard. The SCSI interface on the LSI8750SP operates as 8-bit, synchronous or asynchronous, SE device, and supports Fast and Ultra SCSI protocols and 8-bit arbitration.

  • Page 14: Ultra Scsi

    A 40 MHz oscillator is installed on the LSI8750SP to provide the clock frequency to the LSI53C875 that is necessary to support Ultra SCSI transfers of up to 20 Mbytes/s. 1.3.3 Ultra SCSI The LSI8750SP fully supports Ultra SCSI as well as Fast SCSI simultaneously.

  • Page 15: Chapter 2 Installing The Lsi8750Sp

    Chapter 2 Installing the LSI8750SP This chapter provides instructions on how to install the LSI8750SP and includes these topics: • Section 2.1, “Quick Installation Procedure,” page 2-1 • Section 2.2, “Detailed Installation Procedure,” page 2-3 • Section 2.3, “Completing the Installation,” page 2-22 2.1 Quick Installation Procedure...
  • Page 16 Step 4. Locate the slots for installing a PCI plug-in board. The LSI8750SP requires a PCI slot which allows bus master operation. Step 5. Remove the blank bracket panel on the back of the computer aligned with the PCI slot you intend to use. Save the bracket screw.

  • Page 17: Detailed Installation Procedure

    2.2 Detailed Installation Procedure This section provides step-by-step instructions for installing the LSI8750SP, and connecting it to your SCSI peripherals. If you are experienced in these tasks, you may prefer to use the preceding Section 2.1, “Quick Installation Procedure.” If you are not confident that you can perform the tasks as described here, LSI Logic suggests getting assistance.

  • Page 18: Inserting The Host Adapter

    Step 1. Ground yourself before removing this host adapter board. Remove the LSI8750SP from the packing and check that it is not damaged. An example of this host adapter board is shown Figure 2.1.
  • Page 19 Figure 2.1 Hardware Connections for the LSI8750SP Internal SCSI Interface Connector External SCSI Interface LSI8750SP, J1 to PCI Mainboard Step 6. Carefully insert edge connector J1 (see Figure 2.1) of the host adapter into the PCI slot. Make sure the edge connector is...

  • Page 20: Inserting The Host Adapter

    Step 7. The bracket around the connector J3 (see Figure 2.1) should fit where you removed the blank panel. Secure it with the bracket screw (see Figure 2.2) before making the internal and external SCSI bus connections. Installing the LSI8750SP...

  • Page 21: Connecting The Scsi Peripherals

    2.2.3 Connecting the SCSI Peripherals SCSI bus connections to the LSI8750SP are made with an unshielded, 50-conductor ribbon cable (see Figure 2.3). One side of this cable is marked with a color to indicate the pin-1 side. Sometimes the connectors on this cable are keyed to ensure proper pin-1 connection.
  • Page 22 You can connect up to four devices if they are evenly spaced on a 3-meter Ultra SCSI cable (0.75 m between devices). The SE SCSI bus should not exceed 3 meters (total internal and external cable lengths), even with fewer than four devices. Installing the LSI8750SP...

  • Page 23: Making Internal Scsi Bus Connections

    2.2.4 Making Internal SCSI Bus Connections This section provides step-by-step instructions about making internal SCSI bus connections. Step 1. If you are connecting an internal SCSI device, plug the 50-pin connector on one end of the internal SCSI ribbon cable into the connector J2 (see Figure 2.4).

  • Page 24: Internal Scsi Ribbon Cable To Internal Scsi Device Connection

    SCSI connector on your internal SCSI device. An example of this connection is shown in Figure 2.5. Make sure to match pin 1 on all connections. Figure 2.5 Internal SCSI Ribbon Cable to Internal SCSI Device Connection 2-10 Installing the LSI8750SP...
  • Page 25 Step 3. Additional internal SCSI devices are plugged in by using an internal SCSI ribbon cable with the required number of 50-pin connectors attached along its length as shown in Figure 2.6. An example of this type of a chained connection is shown in Figure 2.7.
  • Page 26 Figure 2.7 Multiple Internal SCSI Devices Chained Together 2-12 Installing the LSI8750SP...
  • Page 27 2.8. This connection causes the front panel LED to indicate activity on the SCSI bus. There is also a LED on the LSI8750SP that indicates activity on the SCSI bus. This LED is visible through the mounting bracket after installation.

  • Page 28: Making External Scsi Bus Connections

    2.2.5 Making External SCSI Bus Connections This section provides step-by-step instructions about making external SCSI bus connections. Step 1. If you need to connect external SCSI devices to the LSI8750SP, plug the 50-pin connector on one end of a shielded external SCSI cable (see Figure 2.3) into the host adapter connector J3...

  • Page 29: External Cable To External Scsi Device

    Step 2. Plug the 50-pin connector on the other end of the shielded external SCSI cable into the SCSI connector on the external SCSI device. An example of this connection is shown in Figure 2.10. Figure 2.10 External Cable to External SCSI Device Detailed Installation Procedure 2-15...
  • Page 30 Step 3. If you wish to connect more than one external SCSI device to your host adapter, you must chain them together with shielded external SCSI cables. An example of these chained connections is shown in Figure 2.11. Figure 2.11 Multiple External SCSI Devices Chained Together 2-16 Installing the LSI8750SP...

  • Page 31: Scsi Bus Termination

    SCSI bus must their terminators active. All other SCSI devices on the bus must have their terminators removed or disabled. Remember that the LSI8750SP is also on the SCSI bus—its termination is automatically enabled when it is connected to the end of the bus.

  • Page 32: Internal Scsi Connections

    SCSI bus configuration. Figure 2.12 Internal SCSI Device Termination Last Device on Chain – Termination Enabled Does Not End Chain – Termination Disabled Host Adapter Automatically Terminated 2-18 Installing the LSI8750SP...

  • Page 33: External Scsi Connections

    2.2.8 External SCSI Connections If you have only external SCSI device connections to the host adapter, you must terminate the last external device on the SCSI bus. You must disable the termination on all other devices. Termination on your host adapter is automatically enabled in this case.

  • Page 34: Internal And External Scsi Connections

    SCSI bus configuration. Figure 2.14 Internal and External SCSI Device Termination Last Device on Chain Termination Enabled Host Adapter Does Not Termination End Chain Automatically Termination Disabled Disabled Last Device on Chain Termination Enabled 2-20 Installing the LSI8750SP...

  • Page 35: Setting Scsi Ids

    Chapter 3, “Configuring the LSI8750SP,” explains how to set your host adapter ID using the LSI Logic SCSI BIOS Configuration Utility. The peripheral device SCSI IDs are usually set with jumpers or with a switch on the peripheral. Refer to the peripheral manufacturer’s instructions and to the user’s manual for your computer to determine the...

  • Page 36: Completing The Installation

    Step 3. Wait for your computer to boot up. Step 4. To change the configuration of your host adapter, see Chapter 3, “Configuring the LSI8750SP.” Finally, refer to the PCI Storage Device Management System SDMS 4.0 User’s Guide (or the guide for the software you plan to use) to load the driver software for your particular operating system.

  • Page 37: Chapter 3 Configuring The Lsi8750Sp

    Chapter 3 Configuring the LSI8750SP This chapter describes configuring the LSI8750SP and includes these topics: • Section 3.1, “When to Configure the LSI8750SP,” page 3-1 • Section 3.2, “Starting the SCSI BIOS Configuration Utility,” page 3-2 • Section 3.3, “Exiting the SCSI BIOS Configuration Utility,” page 3-14 3.1 When to Configure the LSI8750SP...

  • Page 38: Starting The Scsi Bios Configuration Utility

    1. Logical Unit Number. 3.2 Starting the SCSI BIOS Configuration Utility If you have LSI Logic SCSI BIOS Version 4.xx, and it includes the LSI Logic SCSI BIOS Configuration Utility, you can change the default configuration of the SCSI host adapters. You may decide to alter these default values if there is a conflict between device settings or if you need to optimize system performance.

  • Page 39: Configuration Utility Main Menu

    3.2.1 Configuration Utility Main Menu When you start the LSI Logic SCSI BIOS Configuration Utility, the Main Menu appears. This menu displays a list of up to four LSI Logic PCI to SCSI host adapters and information about each of them. To select an adapter, use only the arrow keys and enter key.

  • Page 40: Main Menu

    Below the list of host adapters on the Main Menu display, you see eight options. They are described in detail below. If these settings are altered, the system reboots upon exit from the Configuration Utility using the Quit option. Configuring the LSI8750SP...

  • Page 41: Change Status On Next Boot Menu

    3.2.1.2 Adapter Boot Order Adapter Boot Order allows the user to set the order in which host adapters will boot when you have more than one LSI Logic host adapter in your system. When this option is selected, the Boot Order menu appears.

  • Page 42: Adapter Configuration Menu

    3.2.1.5 Mono/Color Mono/Color allows the user to choose between a monochrome or color display for the SCSI BIOS Configuration Utility. If needed, choose the mono setting to get a more readable screen on a monochrome monitor. Configuring the LSI8750SP...

  • Page 43: Utilities Menu

    3.2.1.6 Language If enabled, the Language option allows the user to select from five languages for the Configuration Utility: English, German, French, Italian, and Spanish. Call for support if you have any additional questions. 3.2.1.7 Help The Help option displays a help screen with information about the Main Menu.

  • Page 44: Adapter Setup Menu

    SCSI devices attached to it. One of these choices can be selected by highlighting it and pressing Enter. SCAM Support – The LSI Logic BIOS Version 4.xx and above support the SCSI Plug and Play protocol called SCAM. SCAM support by default is off in versions 4.09 and later for the LSI53C875 device.
  • Page 45 Parity – The LSI Logic PCI to SCSI host adapters always generate parity, but some older SCSI devices do not. Therefore, you are offered the option of disabling parity checking. Note: When disabling parity checking, it is also necessary to disable disconnects for all devices, as parity checking for the reselection phase is not disabled.
  • Page 46 Spinup Delay (seconds) – This option allows you to stagger spinups for a longer period of time to balance the total current load. The default value is 2 seconds with choices between 1 and 10 seconds. 3-10 Configuring the LSI8750SP...

  • Page 47: Device Selections Menu

    This is a power management device designed to accommodate disk devices that may have heavy current load during power up. If multiple drives are being powered up simultaneously and drawing heavy current loads, then this option staggers the spinups to limit startup current. 3.2.3 Device Selections Menu When you select the Device Selections option, the corresponding menu (as shown in...

  • Page 48: Device Selection Menu (Cont.)

    Figure 3.8 Device Selection Menu (Cont.) LSI53C875 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 3-12 Configuring the LSI8750SP...
  • Page 49 Sync Rate (Mbytes/s) – 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.

  • Page 50: Exiting The Scsi Bios Configuration Utility

    Configuration Utility properly. Return to the Main menu and exit using the Quit option. Important: Rebooting the system without properly exiting from this utility may cause some changes to not take effect. 3-14 Configuring the LSI8750SP...

  • Page 51: Appendix A Technical Specifications

    FCC. A.1.1 Physical Characteristics The dimensions of the LSI8750SP are 127 x 82.55 mm (5.00 x 3.25 inches). PCI connection is made through edge connector J1. Internal SCSI connection is made through the 50-pin low density connector J2.

  • Page 52: Electrical Characteristics

    Auto NVRAM Termination LSI53C875 Flash EEPROM A.1.2 Electrical Characteristics The LSI8750SP maximum power requirements, including SCSI TERMPWR, under normal operation are as follows: Table A.1 Maximum Power Requirements ± + 5 V DC 1.5 A Over the operating range 5–55=°C Over the operating range 5–55 °C...

  • Page 53: Thermal, Atmospheric Characteristics

    PCI bus slot, all voltages are below the SELV 42.4 V limit. A.2 Operational Environment The LSI8750SP is designed for use in PCI computer systems with an ISA/EISA bracket type. The SDMS software operates the board, but the design of the board does not prevent the use of other software.

  • Page 54: Pci Connector J1 (Front

    these 3.3 V pins is used on the board. The PCI portion of the LSI53C875 chip is powered from the 3 V/5 V pins. Table A.2 PCI Connector J1 (Front) Signal Name Signal Name Signal Name −12 V +3.3 V AD27 C_BE1/ AD25...

  • Page 55: Pci Connector J1 (Back

    Table A.3 PCI Connector J1 (Back) Signal Name Signal Name Signal Name TRST/ AD28 +12 V AD26 AD15 +3.3 V AD24 AD13 +5 V IDSEL AD11 INTA/ +3.3 V INTC/ AD22 AD09 +5 V AD20 KEYWAY RESERVED KEYWAY 3 V/5 V AD18 C_BE0/ RESERVED...

  • Page 56: The Scsi Interface

    A.2.2 The SCSI Interface The SCSI interface operates as 8-bit, synchronous or asynchronous, SE bus, and supports SCSI-3 protocols and 8-bit arbitration. The interface is made through connectors J2 and J3. Connector J2 is a 50-pin low density right angle shrouded header used for internal connections. Connector J3 is a 50-pin high density right angle receptacle that protrudes through the back panel bracket.

  • Page 57: Scsi Connector J2

    Table A.4 SCSI Connector J2 Signal Name Signal Name SD0/ SD1/ SD2/ SD3/ SD4/ SD5/ SD6/ SD7/ SDP/ CPRSNT_A/ TERMPWR SATN/ SBSY/ SACK/ SRST/ SMSG/ SSEL/ SC_D/ SREQ/ SI_O/ Operational Environment...

  • Page 58: Scsi Connector J3

    Table A.5 SCSI Connector J3 Signal Name Signal Name SD0/ SD1/ SD2/ SD3/ SD4/ SD5/ SD6/ SD7/ SDP/ CPRSNT_B/ TERMPWR SATN/ SBSY/ SACK/ SRST/ SMSG/ SSEL/ SC_D/ SREQ/ SI_O/ Technical Specifications...

  • Page 59: The Led Interface

    GPIO0_FETCH line (maximum output low voltage 0.4 V and minimum output low current 16 mA) is pulled low to complete the circuit when a harness with an LED is attached. The connector on the LSI8750SP is J4. Table A.6 LED Connector J4...
  • Page 60 A-10 Technical Specifications...

  • Page 61: Appendix B Glossary Of Terms And Abbreviations

    This is the fastest way for multitasking operating systems to transfer data. Byte A unit of information consisting of eight bits. CISPR A special international committee on radio interference (Committee, International and Special, for Protection in Radio). LSI8750SP PCI to Ultra SCSI Host Adapter...
  • Page 62 Configuration Refers to the way a computer is set up; the combined hardware components (computer, monitor, keyboard, and peripheral devices) that make up a computer system; or the software settings that allow the hardware components to communicate with each other. Central Processing Unit.
  • Page 63 Host The computer system in which a SCSI host adapter is installed. It uses the SCSI host adapter to transfer information to and from devices attached to the SCSI bus. Host Adapter A circuit board or integrated circuit that provides a SCSI bus connection to the computer system.
  • Page 64 Multithreading The simultaneous accessing of data by more than one SCSI device. This increases the data throughput. NVRAM NonVolatile Random Access Memory. Actually an EEPROM (Electronically Erasable Programmable Read Only Memory chip) used to store configuration information. See EEPROM. Operating A program that organizes the internal activities of the computer and its System peripheral devices.
  • Page 65 CPU. Information can be written to and read from RAM. The contents of RAM are lost when the computer is turned off. RISC Core LSI Logic SCSI chips contain a RISC (Reduced Instruction Set Computer) processor, programmed through microcode scripts. Read Only Memory. Memory from which information can be read but not changed.
  • Page 66 SCSI Trade Association. A group of companies that cooperate to promote SCSI parallel interface technology as a viable mainstream I/O interconnect for commercial computing. Single-Ended A hardware specification for connecting SCSI devices. It references each SCSI SCSI signal to a common ground. This is the most common method (as opposed to differential SCSI which uses a separate ground for each signal).

  • Page 67: Index

    SCSI connections 2-20 restore default setup 3-14 internal SCSI bus connections scan for device at boot time 3-13 internal SCSI connections 2-18 scan for SCSI logical units 3-13 sync rate 3-13 LSI8750SP PCI to Ultra SCSI Host Adapter IX-7...
  • Page 68 LED cable 2-13 change adapter status LED interface configuring an adapter LSI53C875 PCI to Ultra SCSI I/O processor chip exiting 3-14 LSI8750SP host adapter selecting an adapter board characteristics setting adapter boot order electrical characteristics starting electromagnetic compliance SCSI bus connections...

  • Page 69: Customer Feedback

    Please include your name, phone number, fax number, and company address so that we may contact you directly for clarification or additional information. Thank you for your help in improving the quality of our documents. LSI8750SP PCI to Ultra SCSI Host Adapter...
  • Page 70 LSI Logic Corporation Technical Publications M/S E-198 Fax: 408.433.4333 Please tell us how you rate this document: LSI8750SP PCI to Ultra SCSI Host Adapter User’s Guide. Place a check mark in the appropriate blank for each category. Excellent Good Average...
  • Page 71 U.S. Distributors by State A. E. Avnet Electronics Colorado Illinois Michigan http://www.hh.avnet.com Denver North/South Brighton B. M. Bell Microproducts, A. E. Tel: 303.790.1662 A. E. Tel: 847.797.7300 I. E. Tel: 810.229.7710 Inc. (for HAB’s) B. M. Tel: 303.846.3065 Tel: 314.291.5350 Detroit http://www.bellmicro.com W.
  • Page 72 U.S. Distributors by State (Continued) New York South Carolina Washington Hauppauge A. E. Tel: 919.872.0712 Kirkland I. E. Tel: 516.761.0960 W. E. Tel: 919.469.1502 I. E. Tel: 425.820.8100 Long Island Maple Valley South Dakota A. E. Tel: 516.434.7400 B. M. Tel: 206.223.0080 A.
  • Page 73 Direct Sales Representatives by State (Components and Boards) E. A. Earle Associates Texas E. L. Electrodyne - UT Austin Group 2000 Tel: 512.794.9006 I. S. Infinity Sales, Inc. Arlington ION Associates, Inc. Tel: 817.695.8000 R. A. Rathsburg Associ- Houston ates, Inc. Tel: 281.376.2000 Synergy Associates, Utah...
  • Page 74 Sales Offices and Design Resource Centers LSI Logic Corporation Fort Collins New Jersey Canada Corporate Headquarters 2001 Danfield Court Red Bank Ontario Fort Collins, CO 80525 1551 McCarthy Blvd 125 Half Mile Road Ottawa Tel: 970.223.5100 Milpitas CA 95035 Suite 200 260 Hearst Way Tel: 408.433.8000...
  • Page 75 Sales Offices and Design Resource Centers (Continued) Korea Seoul LSI Logic Corporation of Korea Ltd 10th Fl., Haesung 1 Bldg. 942, Daechi-dong, Kangnam-ku, Seoul, 135-283 Tel: 82.2.528.3400 Fax: 82.2.528.2250 The Netherlands Eindhoven LSI Logic Europe Ltd World Trade Center Eindhoven Building ‘Rijder’...
  • Page 76 Switzerland Tel: 44.1793.849933 Bangalore, India 560078 Xicheng District ♦ Brugg Fax: 44.1793.859555 Tel: 91.80.664.5530 Beijing 100045, China LSI Logic Sulzer AG Tel: 86.10.6804.2534 to 38 Fax: 91.80.664.9748 Mattenstrasse 6a Fax: 86.10.6804.2521 ♦ CH 2555 Brugg Sales Offices with Israel Tel: 41.32.3743232...

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