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LSI LSIU160 User Manual

Pci to single channel ultra160 scsi host adapter
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USER'S
GUIDE
LSIU160
Single Channel
PCI to
Ultra160 SCSI
Host Adapter
Version 1.2
A u g u s t 2 0 0 2
®
DB15-000173-02

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  • Page 1 USER’S GUIDE LSIU160 Single Channel PCI to Ultra160 SCSI Host Adapter Version 1.2 A u g u s t 2 0 0 2 ® DB15-000173-02...
  • 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 LSIU160 PCI to Single Channel Ultra160 SCSI Host Adapter. It contains a complete functional description for the LSIU160 as well as complete physical and electrical specifications.
  • Page 6 PCI Storage Device Management System SDMS™ 4.0 User’s Guide, Order Number S14007.A LSI53C1010-33 PCI to Dual Channel Ultra3 SCSI Multifunction Controller Technical Manual, Order Number S14025.C Revision Record Revision Date Remarks 1/00 Final version. 8/02 Product name changed from LSI8955U to LSIU160. Preface...

  • Page 7: Table Of Contents

    Contents Chapter 1 Using the LSIU160 General Description Features 1.2.1 1.2.2 1.2.3 Interface Descriptions 1.3.1 1.3.2 1.3.3 Benefits of Ultra160 SCSI 1.4.1 1.4.2 Benefits of LVDlink Technology Benefits of TolerANT Benefits of SureLINK™ (Ultra160 SCSI Domain Validation) Chapter 2 Installing the LSIU160...
  • Page 8 Chapter 3 Configuring the LSIU160 Overview of the SCSI BIOS Configuration Utility 3.1.1 3.1.2 The LSI Logic SCSI BIOS Configuration Utility Menus 3.2.1 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3.2.7 Appendix A Technical Specifications Physical Environment A.1.1 A.1.2 A.1.3 A.1.4 A.1.5 Operational Environment A.2.1...
  • Page 9 Figures Hardware Connections for the LSIU160 Inserting the Host Adapter SCSI Cables Internal SCSI Ribbon Cable to Host Adapter Connection Internal SCSI Ribbon Cable to Internal SCSI Device Connection Connecting Additional Internal SCSI Devices Multiple Internal SCSI Devices Chained Together...
  • Page 10 Contents...
  • Page 11 Tables SCSI Bus Widths and Speeds SCSI Bus Lengths SCSI ID Record Configuration Commands Main Menu Fields and Descriptions Adapter Properties Fields and Descriptions Device Properties Fields and Descriptions Boot Adapter List Fields and Descriptions Global Properties Fields and Descriptions Maximum Power Requirements PCI Connector J1 (Front) PCI Connector J1 (Back)
  • Page 12 Contents...

  • Page 13: Using The Lsiu160

    Validation),” page 1-8 General Description The LSIU160 provides an Ultra160 SCSI interface to PCI computer systems. It is referred to as the LSIU160 throughout this guide. Installing this adapter in your PCI system allows connection of up to 15 SCSI devices.

  • Page 14: Features

    BIOS support for this adapter is incorporated on the board in a Flash memory device. The LSIU160 has a serial EEPROM device for storing the user’s SCSI bus configuration. The LSI53C1010 also contains a SCSI SCRIPTS™ processor that permits both DMA and SCSI commands to be fetched from host memory or internal SCRIPTS RAM.

  • Page 15: Scsi Interface

    Bursts up to 264 Mbytes/s (@ 33 MHz) with zero wait-state bus master data Supports the PCI Cache Line Size (CLS) register Prefetches up to 8 Dwords of SCRIPTS instructions Supports PCI Write and Invalidate, Read Line, and Read Multiple commands Bursts SCRIPTS opcode fetches across the PCI bus Supports universal 3.3 V and 5 V PCI bus voltage...

  • Page 16: Board Characteristics

    Contains a serial EEPROM for user configuration utility Provides SCSI bus activity LED connector 1.2.3 Board Characteristics The LSIU160 board characteristics are: PCI board dimensions, 174.6 x 101.6 mm (6.875 x 4.0 inches) PCI Universal 64-bit card edge connector HD 68-pin external connector...

  • Page 17: Interface Descriptions

    64-bit addressing. The connection is made through edge connector J1, shown in conform to the PCI Local Bus Specification Revision 2.2 standard. The LSIU160 conforms to the PCI universal signaling environment for a 5 V or 3.3 V PCI bus. 1.3.2...

  • Page 18: Scsi Bus Activity Led Connector

    LSIU160. This oscillator provides the clock frequency necessary to support Ultra160 SCSI transfers of up to 160 Mbytes/s. 1.3.3 SCSI Bus Activity LED Connector A SCSI Bus Activity LED connector indicates the status of the SCSI bus when a LED is attached. This LED lights when the SCSI bus is transferring information.

  • Page 19: Benefits Of Lvdlink Technology

    SCSI operations. TolerANT input signal filtering is a built-in feature of the LSI53C1010 and all LSI Logic Fast SCSI, Ultra SCSI, Ultra2 SCSI, and Ultra160 SCSI devices.

  • Page 20: Benefits Of Surelink™ (Ultra160 Scsi Domain Validation)

    Should errors occur with any of these checks, the system can drop back to a lower transmission speed, on a per-target basis, to ensure robust system operation. Using the LSIU160 34.5 pc 4.333 pc 48.583 p...

  • Page 21: Installing The Lsiu160

    Step 1. Ground yourself before removing this host adapter board. Step 2. Remove the LSIU160 from the packing and check that it is not Step 3. Switch off and unplug the system. Step 4. Remove the cabinet cover on your computer to access the PCI...
  • Page 22 2.2. For the LSIU160 to function as a 64 bit-device, it must inserted in a 64-bit PCI slot. If the LSIU160 is inserted in a 32-bit PCI slot, it will function as a 32-bit device. aligned with the PCI slot you intend to use.

  • Page 23: Detailed Installation Procedure

    Remember: The SCSI bus requires proper termination, and no Detailed Installation Procedure This section provides step-by-step instructions for installing the LSIU160, and connecting it to your SCSI peripherals. If you are experienced in these tasks, you may prefer to use Procedure.”...

  • Page 24: Inserting The Host Adapter

    Perform the following steps to install the LSIU160. Step 1. Ground yourself before removing this host adapter board. Step 2. Remove the LSIU160 from the packing and check that it is not Step 3. Switch off the computer and unplug power cords for all Step 4.

  • Page 25: Hardware Connections For The Lsiu160

    34.5 pc Figure 2.1 Hardware Connections for the LSIU160 Internal SCSI Interface External SCSI Interface Step 7. Carefully insert edge connector J1 (see adapter into the PCI slot. Make sure the edge connector is properly aligned before pressing the board into place as shown in bracket around connector J3 should fit where you removed the...

  • Page 26: Inserting The Host Adapter

    Figure 2.2 Inserting the Host Adapter Bracket Screw Step 8. Secure the board with the bracket screw (see Installing the LSIU160 34.5 pc making the internal and external SCSI bus connections. 4.333 pc Figure 2.2) before 48.583 p 52.5 pc...

  • Page 27: Connecting The Scsi Peripherals

    2.2.3 Connecting the SCSI Peripherals SCSI bus connections to the LSIU160 inside your computer can be made with an unshielded 68 conductor Ultra SCSI TPE ribbon cable (see Figure 2.3). The lead connected to pin 1 on the cable is marked with a colored stripe.
  • Page 28 1. This parameter may be exceeded in point-to-point and engineered applications. 2. Additional spacing rules apply. 3. SE and high power differential are not defined at Ultra2 or Ultra160 speeds. Installing the LSIU160 34.5 pc Table 2.2. SCSI Bus Lengths...

  • Page 29: Scsi Cables

    34.5 pc Figure 2.3 SCSI Cables Terminated SCSI Cable for Internal Connections (for use with nonterminated internal devices) Terminated End SCSI Cable for Internal Connections SCSI Cable for External Connections Detailed Installation Procedure 4.333 pc 68-pin HD 68-pin HD 68-pin HD 48.583 p 52.5 pc...

  • Page 30: Making Internal Scsi Bus Connections

    SCSI bus connections. Step 1. Plug one end of the 68-pin internal SCSI ribbon cable into Important: Figure 2.4 2-10 Installing the LSIU160 34.5 pc connector J4 (see Figure 2.4). You must match pin 1 on this and all subsequent connections.

  • Page 31: Internal Scsi Ribbon Cable To Internal Scsi Device Connection

    34.5 pc Step 2. If you have only two internal devices to connect, plug the other end of the internal SCSI ribbon cable into the SCSI connector on your internal SCSI device. An example of this connection is shown in Figure 2.5.

  • Page 32: Connecting Additional Internal Scsi Devices

    Step 4 on Step 3. Plug the cable into each additional device as needed. Figure 2.6 2-12 Installing the LSIU160 34.5 pc Figure 2.6. If you have only one internal device, page 2-14. An example of this type of chained connection is shown in Figure 2.7.

  • Page 33: Multiple Internal Scsi Devices Chained Together

    34.5 pc Figure 2.7 Multiple Internal SCSI Devices Chained Together Detailed Installation Procedure 4.333 pc 48.583 p 2-13 52.5 pc...

  • Page 34: Scsi Led Connector

    Most PC cabinets are designed with a front panel LED. Step 4. Connect the LED cable to connector J6 on the host adapter, as Figure 2.8 2-14 Installing the LSIU160 34.5 pc shown in Figure 2.8. When properly connected, the front panel LED lights when there is activity on the SCSI bus.

  • Page 35: Making External Scsi Bus Connections

    Making External SCSI Bus Connections This section provides step-by-step instructions about making external SCSI bus connections. To connect external SCSI devices to the LSIU160: Step 1. Plug the 68-pin HD connector on one end of a shielded external Figure 2.9 Detailed Installation Procedure 34.5 pc...

  • Page 36: External Scsi Device Cable

    Section 2.2.6, “SCSI Bus Termination,” page 2-18 instructions. If you have multiple SCSI devices, proceed to the next page. 2-16 Installing the LSIU160 34.5 pc external SCSI cable into the SCSI connector on your external SCSI device. An example of this connection is shown in Figure 2.10.

  • Page 37: Multiple External Scsi Devices Chained Together

    34.5 pc Step 3. Chain multiple devices 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 After you have connected all of your internal and external devices, proceed to Section 2.2.6, “SCSI Bus Termination.”...

  • Page 38: Scsi Bus Termination

    SCSI bus must have their terminators active. All other SCSI devices on the bus must have their terminators removed or disabled. Remember that the LSIU160 is also on the SCSI bus—its termination is automatically enabled when it is connected to the end of the bus.

  • Page 39: Internal Scsi Device Termination

    2.2.6.1 Internal Bus Connections If you have only internal SCSI device connections to your host adapter, you must terminate the last internal device on the SCSI bus. You must disable the terminators on all other devices. Termination on your host adapter is automatically enabled in this case.

  • Page 40: External Scsi Device Termination

    SCSI bus configuration. Figure 2.13 External SCSI Device Termination Last Device on Bus – Terminators Enabled 2-20 Installing the LSIU160 34.5 pc shows an example of how termination is determined for this Does not end Bus – Terminators Disabled Host Adapter...

  • Page 41: Internal And External Scsi Device Termination

    2.2.6.3 Internal and External Bus Connections If you have both internal and external SCSI device connections to your host adapter, you must terminate the last internal and last external devices on the SCSI bus. You must also disable the termination on all other devices.

  • Page 42: Setting Scsi Ids

    ID other than 0 (zero) can be used. Chapter 3, “Configuring the LSIU160,” 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.

  • Page 43: Scsi Id Record

    34.5 pc Table 2.3 SCSI ID Record SCSI ID SCSI Device LSIU160 (default) Detailed Installation Procedure 4.333 pc 48.583 p 2-23 52.5 pc...

  • Page 44: Completing The Installation

    Step 4. Wait for your computer to boot up. Step 5. To change the configuration of the host adapter, see Step 6. Load the software and drivers suitable to your application and 2-24 Installing the LSIU160 34.5 pc “Configuring the LSIU160.” system.

  • Page 45: Configuring The Lsiu160

    3-3 Overview of the SCSI BIOS Configuration Utility The LSIU160 is loaded with LSI Logic SCSI BIOS and Configuration Utility Version 4.16 (or greater). This section describes the process you need to follow to change configuration settings on your board.

  • Page 46: Starting The Configuration Utility

    3.1.1 Starting the Configuration Utility You can see the version number of your LSI Logic SCSI BIOS in a banner displayed on your computer monitor during boot. If the utility is available, the following message also appears on your monitor: Press Ctrl-C to start LSI Logic Configuration Utility...

  • Page 47: Exiting The Scsi Bios Configuration Utility

    NonVolatile Random Access Memory (NVRAM) is available on the LSIU160. Changes can be made and stored using this menu driven utility. Important: Note: 3.1.2 Exiting the SCSI BIOS Configuration Utility Since most changes only take effect after the system reboots, you must exit properly from the Configuration Utility.

  • Page 48: Main Menu

    F2 = Menu 3.2.2 Main Menu When you start the LSI Logic SCSI BIOS Configuration Utility, the Main Menu, shown in LSI Logic PCI to SCSI host adapters, information about each of them, and a series of other menu options. This list displays up to four boards.

  • Page 49: Main Menu

    Configuration Utilities Main Menu. Table 3.2 lists the Main Menu fields and their descriptions. Figure 3.1 Main Menu LSI Logic PCI SCSI Configuration Utility Version PCI 4.16.00 <Boot Adapter List> LSI Logic Host Bus Adapters Adapter...

  • Page 50: Adapter Properties Menu

    NonVolatile Storage (NVS). Indicates the relative boot order (0 to 3) of an adapter. The LSI Logic SCSI BIOS traverses up to four adapters in the specified order in search of bootable media. To modify this field, access the Boot Adapter List Menu.

  • Page 51: Adapter Properties Menu

    34.5 pc Figure 3.2 Adapter Properties Menu LSI Logic PCI SCSI Configuration Utility Version PCI 4.16.00 Adapter Properties Adapter LSI53C1010 <Device Properties> SCSI Parity Host SCSI ID SCSI Bus Scan Order [Low to High (0.Max)] Removable Media Support CHS Mapping...
  • Page 52 Support [None / Boot Drive Only / With Media Installed] Configuring the LSIU160 34.5 pc lists the fields you can access and their descriptions. If the field displays in black text it is available for changes. If it displays in white text, it is not available.

  • Page 53: Adapter Properties Fields And Descriptions

    [Yes / No] Termination Control Configuration [Auto / Off] <Restore Defaults> Executable The LSI Logic SCSI BIOS Configuration Utility Menus 34.5 pc Description Defines how the Cylinder Head Sector (CHS) values are mapped onto a disk without pre-existing partition information.

  • Page 54: Device Properties Menu

    first and last columns. The example for the Device Properties Menu is split (Figure 3.3 3-10 Configuring the LSIU160 34.5 pc Figure 3.4) due to the width of its multiple fields/columns.

  • Page 55: Device Properties Menu (Left Half)

    Figure 3.3 Device Properties Menu (Left Half) LSI Logic PCI SCSI Configuration Utility Version PCI 4.16.00 Device Properties SCSI Device Identifier Quantum Viking 4.5 Quantum Viking 4.5 Quantum Viking 4.5 Quantum Viking 4.5 Quantum Viking 4.5 Quantum Viking 4.5 LSI53C1010...

  • Page 56: Device Properties Menu (Right Half)

    Figure 3.4 Device Properties Menu (Right Half) LSI Logic PCI SCSI Configuration Utility Version PCI 4.16.00 Device Properties LSI53C1010 0 SCSI Device Identifier Quantum Viking 4.5 < 10> Quantum Viking 4.5 < 10> Quantum Viking 4.5 < 10> Quantum Viking 4.5 < 10>...
  • Page 57 Configuration [Yes / No] Scan LUNs > 0 Configuration [Yes / No] The LSI Logic SCSI BIOS Configuration Utility Menus 34.5 pc lists the fields and their descriptions. Description Device’s SCSI Identifier. Indicates the ASCII device identifier string, as extracted from the device’s inquiry data.

  • Page 58: Device Properties Fields And Descriptions

    Executable Verify Executable <Restore Defaults> Executable 3-14 Configuring the LSIU160 34.5 pc Description Indicates whether to allow a device to disconnect during SCSI operations. Some (usually newer) devices run faster with disconnect enabled, while some (usually older) devices run faster with disconnect disabled.

  • Page 59: Boot Adapter List Menu

    The Boot Adapter List Menu specifies the order in which adapters boot when more than one LSI Logic adapter is in a system. Up to four of the total adapters in a system can be selected as bootable. This menu may also list additional adapters in your system that are not bootable.

  • Page 60: Boot Adapter List Menu

    Figure 3.5 Figure 3.5 LSI Logic PCI SCSI Configuration Utility Version PCI 4.16.00 Boot Adapter List Insert = Add an adapter Adapter <LSI53C1010 <LSI53C896 <LSI53C896 Hit Insert to select an adapter from this list. <LSI53C1010 <LSI53C896 <LSI53C896 F1 = Help...

  • Page 61: Boot Adapter List Fields And Descriptions

    Bits [2:0]: Function (range 0–7) Indicates the relative boot order of the listed adapter. The LSI Logic SCSI BIOS traverses up to four adapters, in the specified order, searching for bootable media. Indicates whether an adapter in the boot list was enabled during the most recent boot.

  • Page 62: Global Properties Menu

    The Global Properties Menu allows you to view display boot information and to set display and video modes. the Global Properties Menu. Figure 3.6 LSI Logic PCI SCSI Configuration Utility Version PCI 4.16.00 Global Properties F1 = Help Esc = Abort/Exit 3-18 Configuring the LSIU160...

  • Page 63: Global Properties Fields And Descriptions

    Configuration [Color / Monochrome] <Restore Defaults> Executable The LSI Logic SCSI BIOS Configuration Utility Menus 34.5 pc lists the fields on this menu and their descriptions. Description Specifies a pause during the boot for user acknowledgement. The pause occurs after displaying an alert message.

  • Page 64: Exit Menu

    Main Menu and the four subordinate menus. example of the Exit menu. Figure 3.7 LSI Logic PCI SCSI Configuration Utility Version PCI 4.16.00 Boot property changes have been made If you are exiting Adapter Properties, Device Properties, Boot Adapter...
  • Page 65 This option exits the configuration and returns you to the Configuration DOS prompt. Utility Important: You must reboot in order for the changes you have made to take effect. The LSI Logic SCSI BIOS Configuration Utility Menus 4.333 pc 48.583 p 3-21 52.5 pc...
  • Page 66 3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc 44.25 pc 48.583 p 3-22 Configuring the LSIU160 52.5 pc...

  • Page 67: A.1.1 Physical Characteristics

    Appendix A Technical Specifications This section discusses the physical environment associated with the LSIU160. It includes a mechanical drawing of this board, which is shown Figure Section A.1, “Physical Environment,” page A-1 Section A.2, “Operational Environment,” page A-4 Section A.3, “Subsystem and Subsystem Vendor ID,” page A-10 A.1 Physical Environment...

  • Page 68: A.1.2 Electrical Characteristics

    J4: 68-pin HD right angle connector (internal SCSI connector). J6: 4-pin low density connector. A.1.2 Electrical Characteristics The LSIU160 maximum power requirement, including SCSI TERMPWR, under normal operation is provided in Table A.1 + 5 V DC + 3 V DC Technical Specifications...

  • Page 69: A.1.4 Electromagnetic Compliance

    Temperature range: 0 C to 55 C (dry bulb) Relative humidity range: 5% to 90% noncondensing Maximum dew point temperature: 32 C The LSIU160 is design for a storage and transit environment defined by the following parameters: Storage Temperature: 45 C to 105 C (dry bulb) Relative Humidity Range: 5% to 90% noncondensing A.1.4...

  • Page 70: A.2 Operational Environment

    A.2 Operational Environment The LSIU160 is designed for use in PCI computer systems with an ISA/EISA bracket type. SDMS operates the board, but the design of the board does not prevent the use of other software. An on-board flash memory device is provided to allow BIOS code and open boot code support through PCI and a serial EEPROM.

  • Page 71: Pci Connector J1 (Front

    Table A.2 PCI Connector J1 (Front) Signal Name Signal Name 12 V +3.3 V C_BE3/ AD23 +5 V AD21 +5 V AD19 INTB/ +3.3 V INTD/ AD17 GND (PRSNT1/) C_BE2/ RESERVED GND (PRSNT2/) IRDY/ KEYWAY +3.3 V KEYWAY DEVSEL/ RESERVED LOCK/ PERR/ +3.3 V...

  • Page 72: Pci Connector J1 (Back

    Table A.3 PCI Connector J1 (Back) Signal Name Signal Name TRST/ AD24 +12 V IDSEL +3.3 V AD22 +5 V AD20 INTA/ INTC/ AD18 +5 V AD16 RESERVED +3.3 V +3 V / +5 V FRAME/ RESERVED KEYWAY TRDY/ KEYWAY RESERVED STOP/ RST/...

  • Page 73: The Scsi Interface

    A.2.2 The SCSI Interface The SCSI interface conforms to ANSI X 3T10.11/1142. The SCSI interface operates as 16-bit, synchronous or asynchronous, SE or LVD, and supports Ultra160 SCSI protocols. Arbitration is supported for 8-bit (at lower SCSI speeds) and 16-bit. Active SE or LVD SCSI termination is provided automatically.

  • Page 74: Internal Scsi Connector J4

    Table A.4 Signal Name SD12+ SD13+ SD14+ SD15+ SDP1+ SD00+ SD01+ SD02+ SD03+ SD04+ SD05+ SD06+ SD07+ SDP+ DIFFSENS TERMPWR TERMPWR SATN+ SBSY+ SACK+ SRST+ SMSG+ SSEL+ SC_D+ SREQ+ SI_O+ SD08+ SD09+ SD10+ SD11+ Technical Specifications 34.5 pc Internal SCSI Connector J4 Signal Name SD12 SD13...

  • Page 75: External Scsi Connector J3

    34.5 pc Table A.5 External SCSI Connector J3 Signal Name SD12+ SD13+ SD14+ SD15+ SDP1+ SD00+ SD01+ SD02+ SD03+ SD04+ SD05+ SD06+ SD07+ SDP+ DIFFSENS TERMPWR TERMPWR SATN+ SBSY+ SACK+ SRST+ SMSG+ SSEL+ SC_D+ SREQ+ SI_O+ SD08+ SD09+ SD10+ SD11+ Operational Environment Signal Name SD12...

  • Page 76: The Scsi Busy Led

    Signal Name LED+ A.3 Subsystem and Subsystem Vendor ID The Subsystem ID and System Vendor ID for the LSIU160 are provided Table LSIU160. During system initialization, the ID numbers are loaded into the Subsystem Vendor ID and Subsystem ID registers of the LSIU160 SCSI Controller (the LSI53C1010).

  • Page 77: Glossary Of Terms And Abbreviations

    A collection of unbroken signal lines across which information is transmitted from one part of a computer system to another. Connections to the bus are made using taps on the lines. LSIU160 PCI to Single Channel Ultra160 SCSI Host Adapter 34.5 pc 4.333 pc 12 pc 12.938 p...
  • Page 78 Bus Mastering A high-performance way to transfer data. The host adapter controls the transfer of data directly to and from system memory without interrupting the computer’s microprocessor. This is the fastest way for multitasking operating systems to transfer data. Byte A unit of information consisting of eight bits.
  • Page 79 Dword A double word is a group of four consecutive bytes or characters that are stored, addressed, transmitted, and operated on as a unit. The lower two address bits of the least significant byte must equal zero in order to be Dword aligned.
  • Page 80 Interrupt Request Channel. A path through which a device can get the immediate attention of the computer’s CPU. The PCI bus assigns an IRQ path for each SCSI host adapter. Industry Standard Architecture. A type of computer bus used in most PCs.
  • Page 81 NVRAM NonVolatile Random Access Memory. Actually an EEPROM (Electronically Erasable 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. An operating system performs basic tasks such as moving data to and from devices, and managing information in memory.
  • Page 82 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 83 Controls the low-level POST (Power-On Self-Test), and basic operation of the CPU and computer system. TolerANT A technology developed and used by LSI Logic to improve data integrity, data transfer rates, and noise immunity, through the use of active negation and input signal filtering.
  • Page 84 Ultra160 SCSI A standard for SCSI data transfers. It allows a transfer rate of up to 160 Mbytes/s over a 16-bit SCSI bus. VCCI Voluntary Control Council for Interference. Verband Deucher Elektroniker (Association of German Electrical Engineers). Virtual Memory Space on a hard disk that can be used as if it were RAM. Wide SCSI A SCSI-2 feature allowing 16-bit or 32-bit transfers on the SCSI bus.
  • Page 85 SCSI bus connections 2-15 SCSI connector J3 SCSI device 2-16 SCSI device termination 2-20 LSIU160 PCI to Single Channel Ultra160 SCSI Host Adapter FDISK/MBR command using features format description front panel LED global properties menu display GPIO0_FETCH line hardware connections...
  • Page 86 operational environment bus description connector J1 (back) connector J1 (front) interface 1-2, 1-5, peripheral device SCSI IDs 2-22 device terminators 2-18 physical characteristics environment port number description queue tags description 3-14 removable media support description ribbon cable safety characteristics scan ID description 3-13 LUNs description...

  • Page 87: 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. LSIU160 PCI to Single Channel Ultra160 SCSI Host Adapter...
  • Page 88 Reader’s Comments Fax your comments to: Please tell us how you rate this document: LSIU160 PCI to Single Channel Ultra160 SCSI Host Adapter User’s Guide. Place a check mark in the appropriate blank for each category. Completeness of information Clarity of information Ease of finding information...
  • Page 89 You can find a current list of our U.S. distributors, international distributors, and sales offices and design resource centers on our web site at http://www.lsilogic.com/contacts/na_salesoffices.html...

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