USER’S GUIDE LSIU40HVD PCI to Dual Channel SCSI Host Adapter August 2002 Version 2.
Electromagnetic Compatibility Notices This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: 1. 2. This device may not cause harmful interference, and This device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules.
This document contains proprietary information of LSI Logic Corporation. The information contained herein is not to be used by or disclosed to third parties without the express written permission of an officer of LSI Logic Corporation. LSI Logic products are not intended for use in life-support appliances, devices, or systems. Use of any LSI Logic product in such applications without written consent of the appropriate LSI Logic officer is prohibited.
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Preface This book is the primary reference and user’s guide for the LSI Logic LSIU40HVD PCI to Dual Channel SCSI Host Adapter. It describes how to install and configure the LSIU40HVD in a PCI computer system. Basic information on setting up the SCSI bus is also provided. LSI Logic Technical Support The entire LSI Logic host adapter solution has been designed for ease of use. However, if you require additional assistance, please contact the LSI Logic Technical Support Hot Line at (719) 533-7230.
• Chapter 3, Configuring the LSIU40HVD, describes the SCSI BIOS Configuration Utility to configure adapter and device settings. • Appendix A, Technical Specifications, describes the physical and operational environments of the LSIU40HVD. • Appendix B, Glossary Terms and Abbreviations, provides definitions of various terminology that is referenced throughout this user’s guide. Related Publications PCI Storage Device Management System SDMS™ 4.0 User’s Guide, Order Number S14007.
Contents Chapter 1 Chapter 2 Chapter 3 Using the LSIU40HVD 1.1 General Description 1.2 Features 1.2.1 PCI Interface 1.2.2 SCSI Interface 1.2.3 Board Characteristics 1.3 Interface Descriptions 1.3.1 The PCI Interface 1.3.2 The SCSI Interface 1.3.3 Ultra SCSI 1-1 1-2 1-2 1-2 1-3 1-3 1-3 1-3 1-4 Installing the LSIU40HVD 2.1 Quick Installation Procedure 2.2 Detailed Installation Procedure 2.2.1 Before You Start 2.2.2 Inserting the Host Adapter 2.2.3 Connecting the SCSI Peripherals 2.2.
Appendix A Appendix B 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 A.2.2 The SCSI Interface A.2.
Figures 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 A.
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Tables 2.1 2.2 2.3 3.1 3.2 A.1 A.2 A.3 A.4 A.
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Chapter 1 Using the LSIU40HVD This chapter describes how the LSIU40HVD PCI to Dual Channel SCSI Host Adapter interfaces to PCI computer systems and includes these topics: 1.1 • Section 1.1, “General Description,” page 1-1 • Section 1.2, “Features,” page 1-2 • Section 1.3, “Interface Descriptions,” page 1-3 General Description The LSI Logic LSIU40HVD provides a SCSI-3, Ultra SCSI interface to PCI computer systems.
1.2 Features This section provides a high level overview of the PCI Interface, the SCSI Interface, and Board Characteristics for the LSIU40HVD. BIOS support for this host adapter is incorporated on the board in an 8 X 64K Flash BIOS. 1.2.1 PCI Interface The PCI interface includes these features: 1.2.
1.2.3 Board Characteristics The board characteristics for the LSIU40HVD are: 1.3 • PCI board dimensions, 190 x 96.52 mm (7.50 x 3.80 inches) • Universal 32-bit card edge connector Interface Descriptions This section provides a more detailed explanation about the PCI Interface, the SCSI Interface, and Ultra SCSI. 1.3.1 The PCI Interface PCI is a high-speed standard local bus for interfacing a number of I/O components to the processor and memory subsystems in a high-end PC.
Connectors J3 and J6 are shielded 68-pin VHDCI right-angle receptacles that protrude through the back panel bracket. See Figure 2.1 for the location of these connectors. Differential SCSI active termination is provided on the LSIU40HVD. Termination is automatically enabled when only one of the connectors J2 and J3 (or J5 and J6) is used, or when an 8-bit device is connected to the 16-bit J3 or J6 connectors.
Chapter 2 Installing the LSIU40HVD This chapter provides instructions on how to install the LSIU40HVD and includes these topics: 2.1 • Section 2.1, “Quick Installation Procedure,” page 2-1 • Section 2.2, “Detailed Installation Procedure,” page 2-3 • Section 2.3, “Setting Interrupts,” page 2-22 • Section 2.
Caution: Ground yourself by touching a metal surface before handling boards. Static charges on your body can damage electronic components. Handle plug-in boards by the edge. Do not touch board components or gold connector contacts. The use of a static ground strap is recommended. Step 4. Locate the slots for PCI plug-in board installation. Refer to the user’s manual for your computer to confirm the location of the PCI slots. The LSIU40HVD requires a PCI slot which allows bus master operation.
Step 12. Finally, refer to the PCI Storage Device Management System SDMS 4.0 User’s Guide (or the guide for the software that you will use) to load the driver software for your particular operating system. 2.2 Detailed Installation Procedure This section provides step-by-step instructions for installing the LSIU40HVD, and connecting it to your SCSI peripherals. If you are experienced in these tasks, you may prefer to use Section 2.1, “Quick Installation Procedure.
2.2.2 Inserting the Host Adapter For safe and proper installation, check the user’s manual supplied with your computer and perform the following steps. Step 1. Ground yourself before removing the host adapter board. Remove the LSIU40HVD from the packing and check that it is not damaged. An example of this board is shown in Figure 2.1. Step 2. Switch off and unplug power cords for all components in your system. Step 3. Remove the cabinet cover on your computer to access the PCI slots.
Figure 2.1 Hardware Connections for the LSIU40HVD Channel A LED Connector J4 Channel B 68-Pin Internal High Density SCSI Interface J5 Channel B LED Connector J7 Channel A 68-Pin Internal High Density SCSI Interface J2 Channel A 68-pin External High Density SCSI Interface J3 Channel B 68-pin External High Density SCSI Interface J6 LSIU40HVD PCI Bus Connector on Mainboard J1 Step 6. Carefully insert the edge connector J1 (see Figure 2.1) of the host adapter into the PCI slot.
Figure 2.2 Inserting the Host Adapter Bracket Screw 32-bit slots 64-bit slots Step 7. The bracket around the connectors J3 and J6 (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. 2.2.3 Connecting the SCSI Peripherals SCSI bus connections to the LSIU40HVD inside your computer are made with an unshielded, 68-conductor ribbon cable (see Figure 2.3).
the connectors on this cable are keyed to ensure proper pin-1 connection. All external SCSI bus connections to the LSIU40HVD are made with shielded, 68-conductor cables (see Figure 2.3). The connectors on this cable are always keyed to ensure proper pin-1 connection. Table 2.1 lists the SCSI bus widths and speeds as established by the SCSI Trade Association (STA). Table 2.
Figure 2.3 SCSI Cables SCSI Cables for Internal Connections 68-pin High Density SCSI Cable for External Connections 68-pin VHDCI 2.2.3.1 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 68-pin connector on one end of a wide internal SCSI ribbon cable into the connector J2, or J5 (see Figure 2.4).
Figure 2.
Step 2. Plug the 68-pin connector on 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. You must match pin 1 on all connections. Figure 2.
Step 3. Additional internal SCSI devices are plugged in by using an internal SCSI ribbon cable with the required number of connectors attached along its length as shown in Figure 2.6. An example of this type of chained connection is shown in Figure 2.7. Make sure to match pin 1 on all connections. Figure 2.
Figure 2.
Step 4. Most PC cabinets are designed with a front panel LED which may already be connected to an existing IDE drive. You may connect this LED cable to your SCSI host adapter, as shown in Figure 2.8. This connection causes the front panel LED to indicate activity on the SCSI bus. The LED connectors J4 and J7 (see Figure 2.1) are not keyed. The orientation of the LED cable does not matter as long as all four pins are connected. Figure 2.8 SCSI LED Connectors J7 J4 Some LED cables have only two wires.
2.2.3.2 Making External SCSI Bus Connections This section provides step-by-step instructions about making external SCSI bus connections: Step 1. To connect external SCSI devices to the LSIU40HVD, plug the 68-pin VHDCI connector on one end of a shielded external high density cable (see Figure 2.3) into the host adapter connector J3 or J6 (see Figure 2.1). This connector is now bracketed to the back panel of your computer. Figure 2.9 shows how this connection is made. Figure 2.
Step 2. Plug the 68-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.
Step 3. To connect more than one external SCSI device to the 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 2.2.4 SCSI Bus Termination The devices making up the SCSI bus are connected serially (chained together) with SCSI cables.
Remember: The LSIU40HVD is also on the SCSI bus; its termination is automatically enabled when it is connected to the end of the bus. Differential peripheral devices are normally terminated with external terminators, but are sometimes 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 for information on how to identify the terminator setting of each device and how to change it.
Figure 2.12 Internal SCSI Device Termination 2.2.4.2 External SCSI Connections If external SCSI device connections to the host adapter have been made, you must terminate the last external device on the SCSI bus. You must disable the termination on all other devices. Termination on the host adapter is automatically enabled in this case. Figure 2.13 shows an example of how termination is determined for this SCSI bus configuration on the LSIU40HVD Channel B.
Figure 2.13 External SCSI Device Termination Last Device on Chain Termination Enabled Does Not End Chain Termination Disabled Host Adapter Automatically Terminated 2.2.4.3 Internal and External SCSI Connections If internal and external SCSI device connections to the host adapter have been made, you must terminate the last internal and external devices on the SCSI bus. You must disable the termination on all other devices. Termination on the host adapter is automatically disabled in this case. Figure 2.
Figure 2.
2.2.4.4 Internal SCSI Connections for both Internal Connectors If internal SCSI device connection to another LSIU40HVD has been made, or any connection to a device that uses the same sensing method for automatic termination as your LSIU40HVD, you must properly set the termination override jumpers TP2, TP3, TP5, or TP6 (see Figure A.1). When connecting another LSIU40HVD, or other device that uses the same termination sensing scheme, you must connect the jumper to both pins on the TP for the connector used.
Table 2.2 SCSI ID Record SCSI ID SCSI Device 15 14 13 11 10 9 8 7 LSIU40HVD (default) 6 5 4 3 2 1 0 2.3 Setting Interrupts Normally, you do not change the default interrupt routing for the LSIU40HVD, since performance is usually increased by having two separate interrupts.
separate interrupts, jumper TP1 (see Figure A.1) is provided to change the interrupt routing. The following table explains the jumper settings: Table 2.3 Setting Jumpers Jumper Setting 2.4 Condition Jumper Out (default) INTB/ is routed to INTB/ on the PCI bus Jumper In INTB/ is rerouted at power up to INTA/ on the PCI bus Completing the Installation Before replacing the cover on your computer, review this installation procedure check list. This can save you effort later.
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Chapter 3 Configuring the LSIU40HVD This chapter discusses how to change configuration settings and includes these topics: 3.1 • Section 3.1, “When to Configure the LSIU40HVD,” 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 When to Configure the LSIU40HVD In most cases, changing the default configuration of the host adapter is not necessary.
Table 3.2 Device Default Settings Settings for Individual SCSI Devices 3.2 Default Settings Synchronous Transfer Rate (Mbytes/s) 40 Data Width 16 Disconnect On Read/Write I/O Time-out (seconds) 10 Scan for Devices at Boot Time Yes Scan for SCSI Logical Units (LUNs) Yes Queue Tags On Starting the SCSI BIOS Configuration Utility If you have SCSI BIOS version 4.
Important: This SCSI BIOS Configuration Utility is a powerful tool. If, while using it, you somehow disable all of your controllers, pressing Control A (or Control E on version 4.04 or later) after memory initialization during reboot allows you to re-enable and reconfigure. Not all devices detected by the Configuration Utility can be controlled by the BIOS. Devices such as tape drives and scanners require that a device driver specific to that peripheral be loaded.
Figure 3.1 Main Menu Main Menu LSI53C875 LSI53C875 LSI53C895 Port Num Irq----------Status-----------NVRAM Level Current Next-Boot Found FC00 F800 F801 9 9 9 On On On On Off Off Yes Yes Yes Change Adapter Status Adapter Boot Order Additional Adapter Configuration Display Mode = Verbose Mono/Color Language Help Quit Below the list of host adapters on the Main Menu display, you see eight options. They are described in detail below.
Figure 3.2 Change Status on Next Boot Menu Main Menu Change Status on Next Boot: Port Num LSI53C875 LSI53C875 LSI53C895 FC00 F800 F801 Irq----------Status-----------NVRAM Level Current 9 9 9 On On On Next-Boot On Off Off Found Yes Yes Yes To change an adapter's status, select it and press Enter. Press the Escape (Esc) key to exit from this menu. 3.2.1.
3.2.1.3 Additional Adapter Configuration The additional adapter configuration allows the user to configure an adapter that is not assigned a boot order. When this option is selected, the Adapter Configuration menu appears. Figure 3.4 is an example of the Adapter Configuration Menu. Figure 3.4 Adapter Configuration Menu Main Menu BootSeq Bus DevFunc BootSeq 1 00 A0 0 LSI53C875 LSI53C875 Bus DevFunc 00 98 LSI53C895 Highlight the adapter to be configured and press Enter.
3.2.1.7 Help The Help option allows the user to bring up a help screen with information about the Main Menu. 3.2.1.8 Quit The Quit option allows you to exit from the SCSI BIOS Configuration Utility when the Main Menu is displayed. 3.2.1.9 Esc The Esc option allows you to exit from all the screens except the Main Menu. 3.2.2 Utilities Menu When you select a host adapter on the Main menu, the Utilities menu appears. Figure 3.5 is an example of the Utilities Menu. Figure 3.
3.2.2.1 Adapter Setup Menu When you select Adapter Setup, the corresponding menu appears. Figure 3.6 is an example of the Adapter Setup Menu. Figure 3.6 Adapter Setup Menu Adapter Setup SCAM Support Off Parity Enabled Host SCSI ID 7 Scan Order Low to High <0..
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. If a device does not generate parity, and it disconnects, the I/O never completes because the reselection never completes. Host SCSI ID – This option refers to the host adapter’s SCSI ID, which is a unique number used to identify the device on the SCSI bus.
With Media Installed provides removable media support wherever the drive(s) actually resides. One of these choices can be selected by highlighting it and pressing Enter. CHS Mapping – This option defines the cylinder head sector (CHS) values that will be mapped onto a disk without pre-existing partition information. SCSI Plug and Play Mapping is the default value.
3.2.2.2 Device Selections Menu When you select the Device Selections option, the corresponding menu (as shown in Figure 3.7) appears. Figure 3.
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.
Read Write I/O Time-out (seconds) – This option sets the amount of time the host adapter waits for a read, write, or seek command to complete before trying the I/O transfer again. Because this provides a safeguard by allowing the system to recover if an I/O operation fails, you should always set the time-out to a value greater than zero. Note: A zero value allows unlimited time for an operation to complete and could result in the system being hung-up.
Help – This option brings up a help screen with information about the Device Selections Menu. Restore Default Setup – This option resets all device selections back to their default settings. Select this option to restore all manufacturing defaults for the specified adapter. Note that all user-customized options will be lost upon saving after restoring default setup. Exit this menu – This option allows the user to leave the Device Selections Menu and return to the previous screen. 3.
Appendix A Technical Specifications This section discusses the physical environment associated with the LSIU40HVD. An example of the LSIU40HVD mechanical drawing is shown in Figure A.1. This section also includes these topics: A.1 • Section A.1, “Physical Environment,” page A-1 • Section A.2, “Operational Environment,” page A-4 Physical Environment This section discusses the physical, electrical, thermal, and safety characteristics associated with the LSIU40HVD.
Figure A.1 LSIU40HVD Mechanical Drawing 190.50 (REF) (7.50 (REF)) J2 J5 J7 J4 96.52 (REF) (3.80 (REF)) TP2 J3 TP5 TERMPWR Fail LED TERMPWR Fail LED TP3 NVRAM TP6 NVRAM LSI53C876 FLASH EEPROM J6 TP1 J1 All Dimensions are given in millimeters and (inches) A.1.2 Electrical Characteristics The LSIU40HVD maximum power requirements, including SCSI TERMPWR, under normal operation are as shown in Table A.1. Table A.1 Maximum Power Requirements +5 V DC ±5% 1.
A.1.3 Thermal, Atmospheric Characteristics The board is designed to operate in an environment defined by the following parameters: A.1.4 • Temperature range: 5–55 ˚C (dry bulb) • Relative humidity range: 5–90% noncondensing • Maximum dew point temperature: 32 ˚C Electromagnetic Compliance The board minimizes electromagnetic emissions, susceptibility, and the effects of electromagnetic discharge.
A.2 Operational Environment The LSIU40HVD is designed for use in PCI computer systems with an ISA/EISA bracket type. The LSI Logic SDMS software operates the board, but the design of the board does not prevent the use of other software. A.2.1 The PCI Interface The PCI interface operates as a 32-bit DMA bus master. The connection is made through the edge connector J1, which provides connections on both the front and back of the board.
Table A.2 PCI Connector J1 (Front) Signal Name Pin Signal Name Pin Signal Name Pin −12 V 1 GND 22 +3.3 V 43 TCK 2 AD27 23 C_BE1/ 44 GND 3 AD25 24 AD14 45 TDO 4 +3.3 V 25 GND 46 +5 V 5 C_BE3/ 26 AD12 47 +5 V 6 AD23 27 AD10 48 INTB/ 7 GND 28 GND 49 INTD/ 8 AD21 29 KEYWAY 50 GND (PRSNT1/) 9 AD19 30 KEYWAY 51 RESERVED 10 +3.3 V 31 AD08 52 GND (PRSNT2/) 11 AD17 32 AD07 53 KEYWAY 12 C_BE2/ 33 +3.
Table A.3 PCI Connector J1 (Back) Signal Name Pin Signal Name Signal Name Pin TRST/ 1 AD28 22 PAR 43 +12 V 2 AD26 23 AD15 44 TMS 3 GND 24 +3.3 V 45 TDI 4 AD24 25 AD13 46 +5 V 5 IDSEL 26 AD11 47 INTA/ 6 +3.3 V 27 GND 48 INTC/ 7 AD22 28 AD09 49 +5 V 8 AD20 29 KEYWAY 50 RESERVED 9 GND 30 KEYWAY 51 3 V/5 V 10 AD18 31 C_BE0/ 52 RESERVED 11 AD16 32 +3.3 V 53 KEYWAY 12 +3.
A.2.2 The SCSI Interface The SCSI interface operates as a 8-bit or 16-bit, synchronous or asynchronous, differential bus, and supports SCSI-2 protocols and 16-bit arbitration. The interface is made through connectors J2 and J3 for Channel A. Channel B connectors are J5 and J6. Connectors J2 and J5 are 68-pin high density right-angle receptacles for internal connections. Connectors J3 and J6 are 68-pin VHDCI right-angle receptacles that protrude through the back panel bracket.
Table A.
A.2.3 The LED Interface The LED interface on the LSIU40HVD is a four-wire arrangement that allows the user to connect an LED harness to the board. The 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 connectors on the LSIU40HVD are J4 for Channel A, and J7 for Channel B. Table A.
A-10 Technical Specifications
Appendix B Glossary Terms and Abbreviations Active Termination The electrical connection required at each end of the SCSI bus, composed of active voltage regulation and a set of termination resistors. Ultra and Ultra2 SCSI require active termination. Address A specific location in memory, designated either numerically or by a symbolic name. Asynchronous Data Transfer One of the ways data is transferred over the SCSI bus. It is slower than synchronous data transfer. BIOS Basic Input/Output System.
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. CPU Central Processing Unit. The “brain” of the computer that performs the actual computations. The term Microprocessor Unit (MPU) is also used.
File A named collection of information stored on a disk. Firmware Software that is permanently stored in ROM. Therefore, it can be accessed during boot time. Hard Disk A disk made of metal and permanently sealed into a drive cartridge. A hard disk can store very large amounts of information. 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.
Motherboard See Mainboard. In some countries, the term Motherboard is not appropriate. Multitasking The executing of more than one command at the same time. This allows programs to operate in parallel. 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 Read Only Memory chip) used to store configuration information. See EEPROM.
Port Address Also Port Number. The address through which commands are sent to a host adapter board. This address is assigned by the PCI bus. Port Number See Port Address. Queue Tags A way to keep track of multiple commands that allow for increased throughput on the SCSI bus. RAM Random Access Memory. The computer’s primary working memory in which program instructions and data are stored and are accessible to the CPU. Information can be written to and read from RAM.
SCSI ID A way to uniquely identify each SCSI device on the SCSI bus. Each SCSI bus has eight available SCSI IDs numbered 0 through 7 (or 0 through 15 for Wide SCSI). The host adapter usually gets the highest ID (7 or 15) giving it priority to control the bus. SDMS Storage Device Management System. An LSI Logic software product that manages SCSI system I/O. Single-Ended SCSI A hardware specification for connecting SCSI devices. It references each SCSI signal to a common ground.
Wide SCSI A SCSI-2 feature allowing 16-bit or 32-bit transfers on the SCSI bus. This dramatically increases the transfer rate over the standard 8-bit SCSI bus. Wide Ultra SCSI The STA term for a SCSI bus width of 16 bits, with the SCSI bus speed maximum data rate of 40 Mbytes/s. Wide Ultra2 SCSI The STA term for a SCSI bus width of 16 bits, with the SCSI bus speed maximum data rate of 80 Mbytes/s. Word A 2-byte (or 16-bit) unit of information.
B-8 Glossary Terms and Abbreviations
Index A adapter boot order menu example 3-5 adapter setup menu CHS mapping 3-10 example 3-8 host SCSI ID 3-9 parity 3-8 removable media support 3-9 SCAM support 3-8 scan order 3-9 spinup delay 3-10 additional adapter configuration menu example 3-6 alternate CHS mapping 3-10 B board characteristics 1-3 boot order menu changing an adapter’s boot order 3-5 example 3-5 removing an adapter’s boot order 3-5 setting the boot order 3-5 C chained connection 2-11, 2-16 change status on next boot menu example 3-4 C
J R jumpers overriding of termination 1-4 TP2, TP3, TP5, TP6 2-21 read write I/O time-out option 3-13 removable media support 3-9 restore default setup 3-14 ribbon cable 2-6 L S language main menu option 3-6 LED cable 2-13 LED connector J4 A-9 LED interface A-9 LSIU40HVD host adapter 40 MHz oscillator 1-4 board characteristics 1-3 description 1-3 electrical characteristics A-2 electromagnetic compliance A-3 features 1-2 installing 2-3 to 2-23 NVRAM 3-2 PCI interface 1-3 physical characteristics A-1 sa
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