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LSI U80ALVD User's Manual

1. a l Host Adapter Automatically Terminated E Detailed Installation Procedure 2 19 2 2 8 External Bus Connections If you have only external SCSI device connections to your host adapter you must terminate the last external device on the SCSI bus You must disable the terminators 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 Figure 2 13 External SCSI Device Termination Last Device on Bus Terminators Enabled Does not end Bus Terminators Disabled Host Adapter Automatically Terminated 2 20 Installing the LSIU80ALVD 2 2 9 Internal and External Bus Connections If internal and external SCSI device connections to your host adapter have been made then terminate the last internal and last 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 14 shows an example of how termination is determined for this SCSI bus configuration Figure 2 14 Internal and External SCSI Device Termination Last device on Bus Terminators Enabled L S a not end Bus Terminators Disabled Host Adapter Termination Automatically Disabled Do not end Bus Terminators Disabled Last Device o
2. oloi NI I oao ay AJ OJN AD19 KEYWAY RESERVED oO 3 3 V KEYWAY GND PRSNT2 i AD17 AD08 KEYWAY oe N C_BE2 ADO7 KEYWAY 4 wo GND 3 3 V RESERVED an A IRDY ADO5 GND pre o 3 3 V ADO3 CLK ry o gt DEVSEL GND GND oe N GND AD01 REQ ak LOCK VI O VI O o PERR ACK64 AD31 ye oO 3 3 V 5 V AD29 21 5 V 1 Highlighted signals are not connected Operational Environment A 5 Table A 3 Signal Name TRST e PCI Connector J1 Back Signal Name AD28 Signal Name GND 12 V AD26 PAR TMS GND AD15 TDI AD24 3 3 V 5 V IDSEL AD13 INTA 3 3 V AD11 INTC AD22 GND 5 V AD20 ADO9 RESERVED Oo OI NI oO oy AJ OJN GND KEYWAY 5 V oO AD18 KEYWAY RESERVED AD16 C_BEO KEYWAY ine 3 3 V 3 3 V KEYWAY FRAME ADO6 RESERVED ee A GND AD04 RST ere ol TRDY GND VIO 4 o gt GND AD02 GNT N STOP ADOO GND are 3 3 V VI O RESERVED o SDONE REQ64 AD30 ye oO SBO 5 V 3 3 V 21 5 V Note Highlighted signals are not conne
3. A feature that allows a peripheral to control the flow of data to and from system memory by blocks as opposed to PIO Programmed I O where the processor is in control and the flow is by byte A program that allows a microprocessor through the operating system to direct the operation of a peripheral device A hardware configuration for connecting SCSI devices It uses a pair of lines for each signal transfer as opposed to Single Ended SCSI which references each SCSI signal to a common ground 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 Electronically Erasable Programmable Read Only Memory A memory chip typically used to store configuration information See NVRAM Extended Industry Standard Architecture An extension of the 16 bit ISA bus standard It allows devices to perform 32 bit data transfers A SCSI device installed outside the computer cabinet These devices are connected in a continuous chain using specific types of shielded cables The SCSI Trade Association STA supports the use of Ultra SCSI over the term Fast 20 Please see Ultra SCSI The SCSI Trade Association STA supports the use of Ultra2 SCSI over the term Fast 40 Please see Ultra2 SCSI A standard for SCSI data transfers It allows a transfer
4. Fast Wide SCSI 20 Ultra SCSI 20 Wide Ultra SCSI 40 Ultra2 SCSI 40 Wide Ultra2 SCSI 16 80 Note Absence of the word Wide means an 8 bit bus width It is acceptable to use the word Narrow to avoid ambiguity You can connect up to eight SCSI Fast SCSI and Ultra SCSI devices on a SE Ultra SCSI bus only if they are evenly spaced on a 1 5 meter Ultra SCSI cable 0 19 m between devices Detailed Installation Procedure 2 7 2 8 You can connect up to four devices if they are evenly spaced on a 3 meter Ultra SCSI cable 0 75 m between devices Your SE SCSI bus should not exceed 3 meters total internal and external cable lengths even with fewer than four devices For LVD applications you can connect up to 16 devices including the host adapter if they are evenly spaced on a 12 meter Ultra SCSI cable 0 19 m minimum between devices Table 2 2 SCSI Bus Lengths Maximum Bus Length Meters Maximum Differential LVD of Devices SCSI 1 Fast SCSI Fast Wide SCSI Ultra SCSI Ultra SCSI Wide Ultra SCSI Wide Ultra SCSI Wide Ultra SCSI Ultra2 SCSI Wide Ultra2 SCSI 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 speeds Installing the LSIU80ALVD Figure 2 3 SCSI Cables Terminated SCSI Cable for In
5. DB To receive product literature visit us at http www Isilogic com For a current list of our distributors sales offices and design resource centers view our web page located at http www lsilogic com contacts index html iii Audience Organization Preface This book is the primary reference and user s guide for the LSIU80ALVD PCI to Ultra2 SCSI Host Adapter It contains a complete functional description for the LSIU80ALVD and includes complete physical and electrical specifications for the LSIU80ALVD This document assumes that you have some familiarity with microprocessors and related support devices The people who benefit from this book are e Engineers and managers who are evaluating the processor for possible use in a system e Engineers who are designing the processor into a system This document has the following chapters and appendixes e Chapter 1 Using the LSIU80ALVD defines the interfaces and characteristics of the LSIU80ALVD e Chapter 2 Installing the LSIU80ALVD provides both quick and detailed installation instructions e Chapter 3 Configuring the LSIU80ALVD describes the SCSI BIOS Configuration Utility to configure adapter and device settings e Appendix A Technical Specifications describes the physical and operational environments of the LSIU80ALVD e Appendix B Glossary of Terms and Abbreviations provides definitions of various terminology that is referenced throughout this user s
6. Tables 21 ee 2 3 3 1 3 2 A 1 A 2 A 3 A 4 A 5 A 6 SCSI Bus Widths and Speeds SCSI Bus Lengths SCSI ID Record Global Default Settings Device Default Settings Maximum Power Requirements PCI Connector J1 Front PCI Connector J1 Back Internal SCSI Connector J2 External SCSI Connector J3 LED Connector J4 Contents ot 2 8 2 23 3 1 3 2 A 2 A 5 A 6 A 8 A 9 A 10 xi xii Contents Chapter 1 Using the LSIU80ALVD This chapter describes the LSIU80ALVD PCI to Ultra2 SCSI Host Adapter board interface to PCI computer systems and includes these topics e Section 1 1 General Description page 1 1 e Section 1 2 Features page 1 2 e Section 1 3 Interface Descriptions page 1 3 1 1 General Description The LSIU80ALVD provides an Ultra2 SCSI interface to PCI computer systems It will be referred to as the LSIU80ALVD throughout this manual Installing this adapter in your PCI system allows connection of up to 15 SCSI devices The LSIU80ALVD is a 16 bit Low Voltage Differential LVD Single Ended SE SCSI solution for your computer This board can support legacy Fast SCSI and Ultra SCSI devices and the newest LVD Ultra2 SCSI devices It is also backwards compatible with existing wide SCSI applications for the LSI8251S and LSI8751SP E host adapters The Storage Device Management System SDMS software operates the board Other SCSI software that works with the LSI53C895A PCI to Ultra2
7. Detailed Installation Procedure 2 15 2 16 Step 2 Plug the 68 pin connector on the other end of the shielded external SCSI cable into the SCSI connector on your external SCSI device An example of this connection is shown in Figure 2 10 Figure 2 10 External SCSI Device Cable Installing the LSIU80ALVD 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 HD Connectors Detailed Installation Procedure 2 17 2 2 6 SCSI Bus Termination 2 18 The devices making up the SCSI bus are connected serially chained together with SCSI cables The first and last physical SCSI devices connected on the ends of the SCSI bus must have their terminators active All other SCSI devices on the bus must have their terminators removed or disabled Remember that the LSIU80ALVD is also on the SCSI bus its termination is automatically enabled when it is connected to the end of the bus Important To utilize Ultra2 SCSI performance the user must only have LVD devices on the bus Do not mix any SE devices with LVD devices as the entire bus will drop to SE with maximum Ultra SCSI performance The peripheral device terminators are usually set with jumpers resistor modules or with a switch on the peripheral Refer to the per
8. EN SACK SRST MN oa SRST SMSG pe o gt SMSG SSEL N SSEL SCD D SCD SREQ N o SREQ SlO oO Oo SIO SD08 wo mare SD08 SD09 w N SD09 SD10 w wo SD10 SD11 Technical Specifications wo R SD11 Table A 5 External SCSI Connector J3 Signal Name D12 Signal Name SMSG D13 SSEL SD14 SCD SD15 SREQ SDP1 SIO SD00 SD08 SD01 SD09 SD02 Co NI A ww P AH SD10 SD03 o SD11 SD04 oO SD12 SD05 SD13 SD06 4 N SD14 SD07 4 wo SD15 SDP0 En N SDP1 GND oa SD00 DIFFSENS o gt SD01 TERMPWR e N SD02 TERMPWR 4 SD03 N C en o SD04 GND pe o SD05 SATN N ak SD06 GND N N SD07 SBSY N w SDPO SACK ie RK GND SRST M oa J3_SENS TERMPWR o mre SMSG TERMPWR oi N SSEL N C Sz o SCD GND a RK SREQ SATN o ol SIO GND ol O SD08 SBSY o NX SD09 SACK Q SD10 SRST Note When operated in the SE mode all signals with the suffix are clamped to ground Operational Environm
9. is a conflict between device settings or if you need to optimize system performance Table 3 1 and Table 3 2 list the configuration settings you can change The global settings affect the host adapter and all SCSI devices that are connected to it The device settings affect only individual SCSI devices Table 3 1 Global Default Settings Settings for the Host Adapter and All Devices Default Settings SCAM Support off Parity Checking Enabled Host Adapter SCSI ID 7 Scan Order Low to High O Maximum 1 Applies to BIOS version 4 09 and later LSIU80ALVD PCI to Ultra2 SCSI Host Adapter 3 1 Table 3 2 Device Default Settings Settings for Individual SCSI Devices Default Settings Synchronous Transfer Rate Mbytes s Data Width Disconnect Read Write I O Time out seconds Scan for Devices at Boot Time Scan for SCSI LUNs Queue Tags 1 Logical Unit Number 3 2 Starting the SCSI BIOS Configuration Utility 3 2 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 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
10. 2 7 Make sure to match pin 1 on all connections Figure 2 6 Connecting Additional Internal SCSI Devices 2 12 Installing the LSIU80ALVD Figure 2 7 Multiple Internal SCSI Devices Chained Together Detailed Installation Procedure 2 13 2 14 Most PC cabinets are designed with a front panel LED You may connect the LED cable to connector J4 on the host adapter as shown in Figure 2 8 This causes the front panel LED to light when there is activity on the SCSI bus Connector J4 is not keyed The orientation of the LED cable does not matter as long as all four pins are connected Figure 2 8 SCSI LED Connector LED Connector J4 Some LED cables have only two wires In this case place the connector on one end or the other of J4 If the LED does not light during SCSI bus activity from this host adapter you may have to rotate the LED cable connector 180 on J4 Installing the LSIU80ALVD 2 2 5 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 LSIU80ALVD plug the 68 pin HD connector on one end of a shielded external SCSI cable see Figure 2 3 into the host adapter connector J3 see Figure 2 1 This connector is in the bracket attached to the back panel of your computer Figure 2 9 shows how this connection is made Figure 2 9 External Cable to Host Adapter HD Connector
11. J3 68 pin high density connector e J4 4 pin low density connector A 1 2 Electrical Characteristics A 2 The LSIU80ALVD maximum power requirement including SCSI TERMPWR under normal operation is as follows Table A 1 Maximum Power Requirements 5 V DC Over the operating range 0 C to 55 C Under abnormal conditions such as a short on SCSI TERMPWR 5 V current may be higher At temperatures of at least 25 C a current of 4A is sustained no longer than 30 seconds before the self resetting TERMPWAR short circuit protection device F1 opens Technical Specifications The PCI PRSNT1 and PRSNT2 pins are set to indicate a 7 5 W maximum configuration A 1 3 Thermal Atmospheric Characteristics The board is designed to operate in an environment defined by the following parameters e Temperature range 0 C to 55 C dry bulb e Relative humidity range 5 to 90 noncondensing e Maximum dew point temperature 32 C e Storage Temperature 45 C to 105 C dry bulb A 1 4 Electromagnetic Compliance The board is designed and implemented to minimize electromagnetic emissions susceptibility and the effects of electromagnetic discharge The board meets the requirements of FCC Class B and CISPR 22 limits and is marked with the FCC Class B Declaration of Conformity Symbol It also carries the CE mark A 1 5 Safety Characteristics The bare board meets or exceeds the requirements of UL flammability rating 94
12. No for all unused SCSI IDs Scan for SCSI Logical Units LUNs Set this option to No if you have problems with a device that responds to all LUNs whether they are occupied or not For example if there is a SCSI device with multiple LUNs but you do not want all of those LUNs to be available to the system then set this option to No This will limit the scan to LUN 0 only Queue Tags This option allows the user to enable or disable the issuing of queue tags during I O requests when your device driver can do this Initial Boot This option allows any device attached to the first adapter to become the boot device It provides the users of non BBS personal computers some of the flexibility of a BBS machine Format If enabled this option allows you to low level format a magnetic disk drive Low level formatting will completely and irreversibly erase all data on the drive Note that this utility will only format 512 byte sectors For other sector sizes do not use this utility Verify This option allows you to read all the sectors on a disk looking for errors When selected this option displays the following message Verify all sectors on the device Press ESC to abort Else press any key to continue Help This option displays a help screen with information about the current menu Starting the SCSI BIOS Configuration Utility 3 13 Restore Default Setup This option resets all device selections back to their o
13. at the c prompt where MBR represents master boot record Important Reformatting the disk or using FDISK MBR erases all partitioning and data that exists Be careful when using either the Format utility or the FDISK MBR command that you target the correct disk After clearing the partitions and data it is necessary to reboot and clear memory or the old partitioning data will be reused Spinup Delay seconds This option allows the user 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 This is a power management feature 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 Secondary Cluster Server This option allows the user to enable an adapter to join a cluster of adapters without doing any SCSI bus resets This is a requirement for Microsoft Cluster Server The default value is No with an alternate option of Yes Termination This option allows the user to have termination control providing an adapter has controllable termination The default value is Autotermination The alternate value is Off Configuring the LSIU80ALVD 3 2 3 Device Selections Menu When you select the Device Selections option the corresponding menu appears Figu
14. guide Preface v Related Publications PCI Storage Device Management System SDMS 4 0 User s Guide Document DB15 000099 01 Revision Record 8 04 Final version First printing vi Preface Contents General Description Features 1 21 PCI Interface 122 SCSI Interface 123 Board Characteristics Interface Descriptions 1 3 1 The PCI Interface 132 The SCSI Interface 1 3 8 Ultra2 SCSI Technology 1 3 4 LVDlink Technology 1 3 5 On Board LED Quick Installation Procedure Detailed Installation Procedure 2 2 1 Before You Start 2 2 2 Inserting the Host Adapter 220 Connecting the SCSI Peripherals 2 2 4 Making Internal SCSI Bus Connections 2 2 5 Making External SCSI Bus Connections 2 2 6 SCSI Bus Termination 2 2 7 Internal Bus Connections 2 2 8 External Bus Connections 2 2 9 Internal and External Bus Connections 2 2 10 Setting SCSI IDs Chapter 1 Using the LSIU80ALVD Ta 1 2 1 3 Chapter 2 Installing the LSIU8OALVD 2 1 2 2 2 3 Completing the Installation Contents q 12 12 12 13 14 1 3 1 4 1 5 1 5 1 6 2 1 2 3 2 3 2 4 er 2 10 2 15 2 18 2 19 2 20 2 21 2 22 2 24 vii Chapter 3 Configuring the LSIU80ALVD 3 1 When to Configure the LSIU80ALVD 3 2 Starting the SCSI BIOS Configuration Utility 32l Configuration Utility Main Menu 3 2 2 Utilities Menu 323 Device Selections Menu 3 3 Exiting the SCSI BIOS Configuration Utility Appendix A Technical Specifications A 1 Physical Environme
15. place as shown in Figure 2 2 Note You may notice that the components on the PCI host adapter face the opposite way from non PCI adapter boards you have in your system This is correct and the board is keyed to go in only one way Detailed Installation Procedure 2 5 Figure 2 2 Inserting the Host Adapter Bracket Screw Press Here Press Here Step 7 The bracket around 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 2 6 Installing the LSIU80ALVD 2 2 3 Connecting the SCSI Peripherals SCSI bus connections to the LSIU80ALVD inside your computer can be made with an unshielded 68 conductor Ultra SCSI PVC ribbon cable see Figure 2 3 One side of this cable is marked with a colored stripe to indicate pin 1 Sometimes the connectors on this cable are keyed to ensure proper pin 1 connection All external SCSI bus connections to the LSIU80ALVD are made with high quality shielded 68 conductor cables see Figure 2 3 The connectors on this cable are always keyed to ensure proper pin 1 connection Note All the cables shown in Figure 2 3 are included in the LSI Logic Adapter Board Kit for the LSIU80ALVD Table 2 1 SCSI Bus Widths and Speeds SCSI Bus Speed SCSI Bus Maximum Data Rate STA Terms Width Bits Mbytes s SCSI 1 5 Fast SCSI 10
16. rate of up to 10 Mbytes s over an 8 bit SCSI bus and up to 20 Mbytes s over a 16 bit SCSI bus Federal Communications Commission Glossary of Terms and Abbreviations File Firmware Hard Disk Host Host Adapter Internal SCSI Device IRQ ISA Kbyte Local Bus Logical Unit LUN LVDlink Mainboard A named collection of information stored on a disk Software that is permanently stored in ROM Therefore it can be accessed during boot time A disk made of metal and permanently sealed into a drive cartridge A hard disk can store very large amounts of information 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 A circuit board or integrated circuit that provides a SCSI bus connection to the computer system A SCSI device installed inside the computer cabinet These devices are connected in a continuous chain using an unshielded ribbon cable 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 It allows devices to send and receive data up to 16 bits at a time Kilobyte A measure of computer storage equal to 1024 bytes A way to connect peripherals directly to computer memory It bypasses the s
17. the following message also appears on your monitor Press Ctrl C to start LSI Logic Configuration Utility This message remains on your screen for about five seconds giving you time to start the utility If you decide to press Ctrl C the message changes to Please wait invoking LSI Logic Configuration Utility After a brief pause your computer monitor displays the Main Menu of the LSI Logic SCSI BIOS Configuration Utility Configuring the LSIU80ALVD NonVolatile Random Access Memory NVRAM is available on the LSIU80ALVD Changes can be made and stored using this menu driven utility Important This utility is a powerful tool If while using it you somehow disable all of your controllers pressing Ctrl A or Ctrl E on version 4 04 or later after memory initialization during reboot allows you to re enable and reconfigure Note 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 This device driver is provided by the device manufacturer 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 Then you can view and or change the curren
18. with autoresetting circuit protection device SCSI Configured AutoMatically SCAM Level 1 Capability Set OFF by default Flash ROM for BIOS storage for up to 256 Kbytes Supports variable block size and scatter gather data transfers Using the LSIU80ALVD e Performs complex SCSI bus sequences without interrupts including restore data pointers e Serial EEPROM for user configuration utility e SCSI bus activity LED connector and on board LED 1 2 3 Board Characteristics e PCI board dimensions 152 4 x 88 90 mm 6 00 x 3 5 inches e PCI Universal 32 bit card edge connector e HD 68 pin external connector e HD 68 pin internal connector A mechanical drawing showing board dimensions and component layout is located in Appendix A Technical Specifications 1 3 Interface Descriptions This section provides a more detailed explanation about the PCI Interface the SCSI Interface Ultra2 SCSI Technology and LVDlink Technology 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 equipment ranging from PCs to servers The PCI functionality for the LSIU80ALVD is contained within the LSI53C895A The LSI53C895A connects directly to the PCI bus and generates signal timing and bus protocol in compliance with the PCI Specification Revision 2 1 The PCI interface operates as a 32 bit DMA bus master The connection is made through e
19. 1 standard The SCSI specification which adds features to the SCSI 2 standard B 5 SCSI Bus SCSI Device SCSI ID SCSI SCRIPTS SCRIPTS Processor SDMS Single Ended SCSI STA Synchronous Data Transfer System BIOS B 6 A host adapter and one or more SCSI peripherals connected by cables in a linear chain configuration The host adapter may exist anywhere on the chain allowing connection of both internal and external SCSI devices A system may have more than one SCSI bus by using multiple host adapters Any device that conforms to the SCSI standard and is attached to the SCSI bus by a SCSI cable This includes SCSI host adapters and SCSI peripherals 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 O through 15 for Wide SCSI The host adapter usually gets the highest ID 7 or 15 giving it priority to control the bus A SCSI programming language that works with the SCRIPTS processor that is embedded on the LSI53C8XX device These SCRIPTS reside in in host computer system memory The SCRIPTS processor allows users to fine tune SCSI operations with regard to unique vendor commands or new SCSI specifications The SCRIPTS processor fetches SCRIPTS instructions from system memory to control operation of the LSI53C8XX device Storage Device Management System An LSI Logic software product that manages SCSI system I O A hardware s
20. 3 13 width 3 12 disconnect 3 12 display mode 3 6 duplication of SCSI IDs 2 22 E edge connector 2 5 electrical characteristics A 2 electromagnetic compliance A 3 erroneous termination 2 18 esc key option 3 7 exit this menu 3 14 exiting the configuration utility quit option 3 14 external SCSI bus connections 2 15 connector J3 A 9 device 2 16 device termination 2 20 F FDISK MBR command 3 10 features 1 2 format device 3 13 front panel LED 2 14 G global default settings 3 1 GPIOO_FETCH line A 10 H hardware connections 2 5 help option 3 7 host SCSI ID 3 9 inserting the host adapter 2 4 2 6 installation procedure 2 3 check list 2 24 internal SCSI bus connections 2 10 device connection 2 11 device termination 2 19 ribbon cable 2 10 L language option 3 6 LED cable 2 14 LED connector 2 14 LSIU80ALVD PCI to Ultra2 SCSI Host Adapter IX 1 logical units LUNs 3 13 LVDlink technology 1 5 main menu display 3 3 main menu options display mode 3 6 esc key 3 7 help 3 7 language 3 6 mono color 3 6 quit 3 7 multiple internal SCSI devices 2 13 O operational environment A 4 P parity 3 8 PCI connector J1 back A 6 PCI connector J1 front A 5 PCI interface 1 2 1 3 A 4 peripheral device SCSI IDs 2 22 peripheral device terminators 2 18 physical characteristics A 1 physical environment A 1 Q queue tags 3 13 quit option 3 7 R read write I O time out seconds 3 13 removable media sup
21. CSI device This increases the data throughput NonVolatile Random Access Memory Actually an EEPROM Electronically Erasable Read Only Memory chip used to store configuration information See EEPROM A program that organizes the internal activities of the computer and its peripheral devices An operating system performs basic tasks such as moving data to and from devices and managing information in memory It also provides the user interface A way to verify the accuracy of data transmitted over the SCSI bus The parity bit in the transfer is used to make the sum of all the 1 bits either odd or even for odd or even parity If the sum is not correct the information may be retransmitted or an error message may appear The electrical connection required at each end of the SCSI bus composed of a set of resistors It improves the integrity of bus signals Peripheral Component Interconnect A local bus specification that allows connection of peripherals directly to computer memory It bypasses the slower ISA and EISA buses A piece of hardware such as a video monitor disk drive printer or CD ROM used with a computer and under the computer s control SCSI peripherals are controlled through a SCSI host adapter The alignment of pin 1 on a SCSI cable connector and the pin 1 position on the SCSI connector into which it is inserted External SCSI cables are always keyed to insure proper alignment but internal SCSI ribbon cables someti
22. Controller with LVDlink Universal Transceivers chip could also be used BIOS support for this adapter is incorporated on the board in a Flash memory device The LSIU80ALVD has a serial EEPROM device for storing the user s SCSI bus configuration This guide along with the PC 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 LSIU80ALVD LSIU80ALVD PCI to Ultra2 SCSI Host Adapter 1 1 1 2 Features 1 2 1 This section provides a high level overview of the PCI Interface the SCSI Interface and Board Characteristics for the LSIU80ALVD PCI Interface Full 32 bit DMA bus master Zero wait state bus master data bursts up to 133 Mbytes s 33 MHz Universal 3 3 V and 5 V PCI bus voltage support Supports 32 bit 33 MHz data bursts with variable burst lengths Bursts 2 to 128 dwords across the PCI bus Prefetches up to 8 Dwords of SCRIPTs instructions Supports PCI Write and Invalidate Read Line and Read Multiple commands 1 2 2 SCSI Interface 1 2 Supports 16 bit LVD and SE signaling Includes 4 Kbytes RAM for SCRIPTs instruction storage Automatically enables LVD or SE termination Contains external 68 pin high density HD and internal 68 pin HD latching connectors Performs wide Ultra2 SCSI LVD synchronous transfers up to 80 Mbytes s SCSI synchronous offset up to 31 Provides SCSI termination power TERMPWR source
23. SI Logic Corporation Technical Publications M S E 198 Fax 408 433 4333 Please tell us how you rate this document LS U80ALVD PCI to Ultra2 SCSI Host Adapter User s Guide Place a check mark in the appropriate blank for each category Excellent Good Average Fair Poor Completeness of information Clarity of information Ease of finding information Technical content Usefulness of examples and illustrations Overall manual What could we do to improve this document If you found errors in this document please specify the error and page number If appropriate please fax a marked up copy of the page s Please complete the information below so that we may contact you directly for clarification or additional information Name Date Telephone Fax Title Department Mail Stop Company Name Street City State Zip Customer Feedback
24. USER S GUIDE LSIU80ALVD PCI to Ultra2 SCSI Host Adapter August 2004 Version 2 0 LSIDKee en DB15 000320 00 Fe CE Electromagnetic Compatibility Notices This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 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 These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dea
25. VO The bare board is also marked with the supplier s name or trademark type and UL flammability rating Since this board is installed in a PCI bus slot all voltages are below the SELV 42 4 V limit Physical Environment A 3 A 2 Operational Environment The LSIU80ALVD is designed for use in PCI computer systems The SDMS 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 edge connector J1 which provides connections on both the front and back of the board The signal definitions and pin numbers conform to the PCI Local Bus Specification Revision 2 1 standard Table A 2 and Table A 3 show the signal assignments Note The 3 3 V pins are tied together and decoupled with high frequency bypass capacitors to ground No current from these 3 3 V pins is used on the board The board derives power from the 5 V pins directly and through a 3 3 V voltage regulator The PCI Vio pins are used to differentiate between a 5 V or a 3 3 V PCI environment A 4 Technical Specifications Table A 2 Signal Name 12 V PCI Connector J1 Front Signal Name GND Signal Name SERR TCK AD27 3 3 V GND AD25 C_BE1 TDO 3 3 V AD14 5 V C_BE3 GND 5 V AD23 AD12 INTB GND AD10 INTD AD21 GND GND PRSNT1
26. adapter acts as an extension of the system BIOS A binary digit The smallest unit of information a computer uses The value of a bit 0 or 1 represents a two way choice such as on or off true or false and so on 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 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 A unit of information consisting of eight bits A special international committee on radio interference Committee International and Special for Protection in Radio Refers to the way a computer is set up the combined hardware components computer monitor keyboard and peripheral devices that LSIU80ALVD PCI to Ultra2 SCSI Host Adapter B 1 CPU DMA DMA Bus Master Device Driver Differential SCSI Dword EEPROM EISA External SCSI Device Fast 20 Fast 40 Fast SCSI FCC B 2 make up a computer system or the software settings that allow the hardware components to communicate with each other Central Processing Unit The brain of the computer that performs the actual computations The term Microprocessor Unit MPU is also used Direct Memory Access
27. cted Technical Specifications A 2 2 The SCSI Interface The SCSI interface conforms to ANSI X 31T10 11 1142 The SCSI interface operates as 16 bit synchronous or asynchronous SE or LVD and supports SCSI 3 protocols and 8 bit and16 bit arbitration The interface is made through connectors J2 and J3 Active SE or LVD SCSI termination is provided automatically SCSI TERMPWR is supplied by the board Connector J2 is a 68 pin HD right angle header used for internal connections Connector J3 is a 68 pin HD right angle connector that protrudes through the back panel bracket and is used for external connections Table A 4 and Table A 5 show the signal assignments for J2 and J3 respectively Operational Environment A 7 A 8 Table A 4 Internal SCSI Connector J2 Signal Name SD12 Signal Name SD12 SD13 SD13 SD14 SD14 SD15 SD15 SDP1 SDP1 SD00 SD00 SD01 SD01 SD02 l NI A A OI N gt SD02 SD03 o SD03 SD04 oO SD04 SD05 e e SD05 SD06 4 N SD06 SD07 4 wo SD07 SDP0 i A SDPO GND oa GND DIFFSENS o gt J2_SENS TERMPWR n N TERMPWR TERMPWR 4 TERMPWR N C 4 o N C GND pe oO GND SATN N SATN GND N N GND SBSY N wo SBSY SACK ne
28. d includes these topics e Section 2 1 Quick Installation Procedure page 2 1 e Section 2 2 Detailed Installation Procedure page 2 3 e Section 2 3 Completing the Installation page 2 24 2 1 Quick Installation Procedure This section is provided for the experienced computer user with prior host adapter installation and SCSI bus setup experience If you prefer a more detailed guidance for installing the LSIU80ALVD follow the instructions in the Section 2 2 Detailed Installation Procedure 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 this host adapter board Remove the LSIU80ALVD from the packing and check that it is not damaged An example of this host adapter board is shown in Figure 2 1 Step 2 Switch off and unplug the system Step 3 Remove the cabinet cover on your computer to access the PCI slots 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 LSIU80ALVD PCI to Ultra2 SCSI Host Adapter 2 1 2 2 Step 4 Step 5 Step 6 Locate the slots for installing a PCI plug in board The LSIU80ALVD requires a PCI slot that allows bus master operation Se
29. dapter 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 host adapters 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 The disconnect option frees the SCSI bus to allow other I O processes This option tells the host adapter whether or not to allow a device to disconnect Some devices run faster with disconnects enabled typically newer devices while some run faster with disconnects disabled typically older devices Configuring the LSIU80ALVD 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 Since this provides a safeguard allowing the system to recover if an I O operation fails it is recommended that you always set the time out to a value greater than zero Note Ifthe time out is set to zero then the I O will never time out Scan for Device at Boot Time Set this option to No when there is a device you do not want to be available to the system Also on a bus with only a few devices attached you can speed up boot time by changing this setting to
30. dge connector J1 see Figure 2 1 The signal definitions and pin numbers conform to the PCI Local Bus Specification Revision 2 1 standard The LSIU80ALVD conforms to the PCI universal signaling environment for a 5 V or 3 3 V PCI bus Interface Descriptions 1 3 1 3 2 The SCSI Interface 1 4 The SCSI functionality for the LSIU80ALVD is contained within the LSI53C895A The LSI53C895A connects directly to the SCSI bus and generates signal timing and bus protocol in compliance with the SCSI standard The SCSI interface on the LSIU80ALVD operates as an 8 bit or 16 bit interface It supports 8 bit or 16 bit synchronous and asynchronous LVD or SE Fast Ultra and Ultra2 SCSI protocols in various combinations The interface is made through connectors J2 and J3 see Figure 2 1 Internal connector J2 is a 68 pin HD right angle latching connector External connector J3 is a shielded 68 pin HD right angle connector that protrudes through the back panel bracket An on board LED labeled Activity indicates SCSI bus activity LVD SE dual mode active termination is provided on the LSIU80ALVD Termination is automatically disabled when both SCSI connectors are used The LSIU80ALVD supplies SCSI bus TERMPWR through a blocking diode and a self resetting 1 5 A short circuit protection device A 40 MHZ oscillator is installed on the LSIU80ALVD to provide the clock frequency to the LSI53C895A that is necessary to support Ultra2 SCSI transfers of up t
31. e Table 2 2 Remove the blank bracket panel on the back of the computer aligned with the PCI slot you intend to use Save the bracket screw Carefully insert the edge connector J1 of the host adapter into the PCI slot Make sure the edge connector is properly aligned before pressing the board into place See Figure 2 2 Note You may notice that the components on a PCI host adapter Step 7 Step 8 Step 9 Step 10 Step 11 face the opposite way from non PCI adapter boards you have in your system This is correct and the board is keyed to go in only one way The bracket around connector J3 see Figure 2 1 should fit where the blank bracket panel was removed Secure the bracket with the bracket screw before making the internal and external SCSI bus connections If you are connecting any internal SCSI devices plug a 68 pin connector on the end of the internal SCSI ribbon cable into connector J2 see Figure 2 1 Make certain to match pin 1 on both connectors Connect the LED cable if desired This is designed to drive an off board system LED and indicates activity on the SCSI bus The off board LED will operate at the same time as the on board SCSI Activity LED Replace the cabinet cover as described in the user s manual for your computer Make all external SCSI bus connections Finally refer to the PCI Storage Device Management System SDMS 4 0 User s Guide or the guide for the software you will use to load t
32. e through the 68 pin HD connector J2 External SCSI connection is made through the 68 pin HD connector J3 The J3 connector extends external to the cabinet through a bracket attached to the board and the face of the connector The bracket is a standard ISA type with a cutout to accommodate connector J3 The J4 connector is for connecting to the computer s drive activity LED It is a 4 pin one row right angle header wired in parallel with the on board SCSI Activity LED The component height on the top and bottom of the board conforms to the PCI Specification Revision 2 1 LSIU80ALVD PCI to Ultra2 SCSI Host Adapter A 1 Figure A 1 LSIU80ALVD Mechanical Drawing 152 4 mm 6 0 inches ns ivi Ego 00000000000000000 mal o0o000000000000000 OLUIO 88 990 mm 3 5 inches Note oo0o00000000000000 oo0o000000000 000000 l U2 SIG2_A 5V_AO0 u3 _GND_A siat_a ICT 6 533 LSIU80ALVD U1I3 y y 3 IEN n BOO siG2_B BOO SIG1_B e J1 PCI 32 bit universal board connector e J2 68 pin high density connector e
33. ent oa o SD11 A 9 A 2 3 On Board LED On board LEDs are used to indicate the status of the SCSI bus The SCSI Activity LED lights when the SCSI bus is transferring information A 2 4 The SCSI Busy LED A 10 The SCSI Activity LED interface on the LSIU80ALVD is a four wire arrangement that allows the user to connect an LED harness to the board The buffered GPIOO_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 SCSI Busy LED connector is J4 Table A 6 LED Connector J4 Signal Name Technical Specifications Active Termination Address Asynchronous Data Transfer BIOS Bit Bus Bus Mastering Byte CISPR Configuration Appendix B Glossary of Terms and Abbreviations 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 A specific location in memory designated either numerically or by a symbolic name One of the ways data is transferred over the SCSI bus It is slower than synchronous data transfer Basic Input Output System Software that provides basic read write capability Usually kept as firmware ROM based The system BIOS on the mainboard of a computer is used to boot and control the system The SCSI BIOS on the host
34. er and perform the following steps Step 1 Step 2 Step 3 Ground yourself before removing this host adapter board Remove the LSIU80ALVD from the packing and check that it is not damaged An example of this host adapter board is shown in Figure 2 1 Switch off and unplug power cords for all components in your system Remove the cabinet cover from your computer to access the PCI slots Caution Ground yourself by touching a metal surface before Step 4 Step 5 removing the cabinet top 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 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 LSIU80ALVD requires a PCI slot that allows bus master operation Remove the blank bracket panel on the back of the computer aligned with the PCI slot you intend to use Save the bracket screw 2 4 Installing the LSIU80ALVD Figure 2 1 Hardware Connections for the LSIU80ALVD Internal SCSI aes or Interface J2 External SCSI Interface J3 oot ot yn p LSIU80ALVD out J1 to PCI Mainboard a a S 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 properly aligned before pressing the board into
35. flect the new BIOS defaults Go into the Configuration Utility to change settings 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 If a device does not generate parity and it disconnects the I O never completes because the reselection never completes Configuring the LSIU80ALVD 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 Note In general it is suggested that you do not change your host adapter ID from the default value of 7 as this gives it the highest priority on the SCSI bus Scan Order This option allows the user to tell the SCSI BIOS and device drivers to scan the SCSI bus from low to high 0 to max SCSI ID or from high to low max to 0 SCSI ID If you have more than one device on the SCSI bus changing the scan order changes the order in which drive letters are assigned by the system Drive order may be reassigned differently in systems supporting the BIOS Boot Specification BBS See the PCI Storage Device Management System SDMS 4 0 User s Guide Chapter 2 SCSI BIOS for additional information regarding BBS Note The scan order opt
36. ghlight the adapter to be configured and press Enter The message Resetting Adapter Please wait appears and then the system scans for devices Finally the Utilities Menu appears and lists the available options which are described below 3 2 1 4 Display Mode Display Mode determines how much information about the host adapters and SCSI devices appear on your computer monitor during boot For more complete information choose the verbose setting For a faster boot choose the terse setting 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 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 6 Configuring the LSIU80ALVD 3 2 1 7 Help 3 2 1 8 Quit 3 2 1 9 Esc 3 2 2 Utilities The Help option displays a help screen with information about the Main Menu The Quit option allows exiting from the SCSI BIOS Configuration Utility when the Main Menu is displayed Pressing the Esc key allows exiting from all the screens except the Main Menu 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 5 Ut
37. he driver software for your particular operating system Remember The SCSI bus requires proper termination and no duplicate SCSI IDs Installing the LSIU80ALVD 2 2 Detailed Installation Procedure This section provides step by step instructions for installing the LSIU80ALVD 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 you can perform the tasks as described here LSI Logic suggests getting assistance 2 2 1 Before You Start Before starting look through the following task list to get an overall idea of the steps to perform e Open your PC cabinet and select an open PCI slot e Insert the host adapter board e Connect the internal and external SCSI peripherals e Terminate the SCSI bus e Set the peripheral SCSI IDs e Make any configuration changes e Close your PC cabinet e Install the software The SCSI host adapter acts on your computer s behalf as the host to your suite of SCSI peripherals Each chain of SCSI peripheral devices and their host adapter work together and are referred to as a SCSI bus Each SCSI host adapter that you install can act as host for up to 15 peripheral devices not including the adapter itself Detailed Installation Procedure 2 3 2 2 2 Inserting the Host Adapter For safe and proper installation check the user s manual supplied with your comput
38. iker Association of German Electrical Engineers Space on a hard disk that can be used as if it were RAM 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 The SCSI Trade Association STA term for SCSI bus width 16 bits SCSI bus speed maximum data rate 40 Mbytes s The SCSI Trade Association STA term for SCSI bus width 16 bits SCSI bus speed maximum data rate 80 Mbytes s A two byte or 16 bit unit of information B 7 B 8 Glossary of Terms and Abbreviations Index A adapter boot order menu 3 5 adapter setup menu CHS mapping 3 10 host SCSI ID 3 9 parity 3 8 removable media support 3 9 SCAM support 3 8 scan order 3 9 additional adapter configuration menu 3 6 alternate CHS mapping 3 10 board characteristics 1 3 bus configurations 2 18 Cc chained connection 2 12 2 17 change adapter status menu 3 4 command FDISK MBR 3 10 configuration utility 3 2 connecting the SCSI peripherals 2 7 cylinder head sector mapping 3 10 D default settings 3 1 detailed installation procedure 2 3 device default settings 3 2 device selection menu 3 11 value changes 3 11 device selection options disconnect 3 12 exit this menu 3 14 format device 3 13 help 3 13 queue tags 3 13 read write I O time out 3 13 restore default setup 3 14 scan for device at boot time 3 13 scan for SCSI logical units 3 13 sync rate 3 12 verify
39. ilities Menu LSI53C895A Adapter Setup Device Selections Help Exit this menu Choose Adapter Setup to view and change the selected adapter settings Choose Device Selections to view and change settings for the devices attached to the selected adapter You are returned to this menu after making changes to the configuration of any host adapter or connected SCSI device Before you exit this menu you are prompted to save or cancel any changes 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 Starting the SCSI BIOS Configuration Utility 3 7 3 8 Figure 3 6 Adapter Setup Menu Adapter Setup SCAM Support off Parity Enabled Host SCSI ID 7 Scan Order Low to High lt 0 Max gt Removable Media Support None CHS Mapping SCSI Plug amp Play Mapping Spinup Delay 2 Secondary Cluster Server Termination Help Restore Default Setup Exit this menu The settings in this menu are global settings that affect the selected host adapter and all SCSI devices attached to it SCAM Support The LSI Logic BIOS Version 4 0 and above supports the SCSI Plug and Play protocol called SCAM SCAM support by default is off in versions 4 09 00 and later for the LSIS53C895A device You may choose to turn this on Note that if this BIOS is flashed onto a board with existing settings then these settings will not be changed to re
40. ion may conflict with operating systems that automatically assign a drive order Removable Media Support This option defines the removable media support for a specific drive When this option is selected a window appears with three choices e None e Boot Drive Only e With Media Installed None indicates there is no removable media support whether the drive is selected in BBS as being first or first in scan order in non BBS Boot Drive Only provides removable media support for a removable hard drive if it is first in the scan order 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 Starting the SCSI BIOS Configuration Utility 3 9 3 10 CHS Mapping This option defines the cylinder head sector CHS values that will be mapped onto a disk without pre existing partitioning information SCSI Plug and Play Mapping is the default value To support interchange with non compatible systems there is another option that can be selected by choosing CHS Mapping and then moving the cursor to Alternate CHS Mapping Note Neither of these options will have any affect after the disk has been partitioned with the FDISK command To remove partitioning two options are available e Reformat the disk using the Format Device option See Section 3 2 3 Device Selections Menu below e Use the FDISK MBR command
41. ipheral 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 Caution The autoenable disable sensing feature on the LSIU80ALVD may enable termination erroneously if it is directly cabled to another SCSI device or host adapter using the same sensing method The LSIU80ALVD senses the presence of SCSI devices by detecting the ground signal on conductor 50 of the SCSI cable The LSIU80ALVD automatically controls SCSI bus termination for three different bus configurations depending on the use of connectors see Figure 2 1 The three bus configurations are e Only for internal SCSI connections e Only for an external SCSI connection and e Connections to both internal and external SCSI connectors Termination on the LSIU80ALVD for these three different bus configurations is discussed below Installing the LSIU80ALVD 2 2 7 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 Figure 2 12 shows an example of how termination is determined for this SCSI bus configuration Figure 2 12 Internal SCSI Device Termination Last Device on Bus S gt Terminators Enabled TAS Does not end Bus
42. is mistakenly connected to external HVD transceivers The LSI53C895A automatically detects which type of signal is connected based on the voltage detected and automatically switches as needed to the SE or LVD mode All bus devices must be LVD or SE If a HVD device is detected the board puts the SCSI bus in the high impedance state and shuts down Interface Descriptions 1 5 1 3 4 1 Benefits of LVDlink The LSI53C895A supports LVD for SCSI which is a signaling technology that increases the reliability of SCSI data transfers over longer distances than supported by SE SCSI The low current output of LVD allows the I O transceivers to be integrated directly into the chip LVD provides the reliability of HVD SCSI without the added cost of external differential transceivers Ultra2 SCSI with LVD allows a longer SCSI cable and more devices on the bus using the same cables defined in the SCSI 3 parallel Interface SPI 2 standard for Ultra SCSI Important To utilize Ultra2 SCSI performance the user must only have LVD devices on the bus Do not mix any SE devices with LVD devices as the entire bus will drop to SE with maximum Ultra SCSI performance 1 3 5 On Board LED On board LEDs are used to indicate the status of the SCSI bus The SCSI Activity LED lights when the SCSI bus is transferring information 1 6 Using the LSIU80ALVD Chapter 2 Installing the LSIU80ALVD This chapter provides instructions on how to install the LSIU80ALVD an
43. ler 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 The correction of interferences caused by such unauthorized modification substitution or attachment will be the responsibility of the user The LSI Logic LSIU80ALVD is tested to comply with FCC standards for home or office use This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil num rique de la classe B respecte toutes les exigences du R glement sur le mat riel brouilleur du Canada CORB FURRE SEKRE AEM BMS VCCI OLE EOS TDA BIRR CT COREG RERECHATS Te SAMCUTIETM COREBNIVAPTLEY a VRR T ASSOC FERREE TTILE RT WR aS chlo TELORVRNV LTF N This is a Class B product based on the standard of the Voluntary Control Council for Interference from Information Technology Equipment VCCI If this is used near a radio or television receiver in a domestic environment it may cause radio interference Install and use the equipment according to the instruction manual LSI Logic Corporation North American Headquarters Milpitas CA 408 433 8000 This document contains proprie
44. lower ISA and EISA buses PCI is a local bus standard A subdivision either logical or physical of a SCSI device actually the place for the device on the SCSI bus Most devices have only one logical unit but up to eight are allowed for each of the eight possible devices on a SCSI bus Logical Unit Number An identifier zero to seven for a logical unit Low Voltage Differential Link allows greater Ultra2 SCSI device connectability and longer SCSI cables LVDlink lowers the amplitude of noise reflections and allows higher transmission frequencies Detailed information may be found in Section 1 3 4 LVDlink Technology A large circuit board that holds RAM ROM the microprocessor custom integrated circuits and other components that make a computer work It also has expansion slots for host adapters and other expansion boards B 3 Main Memory Mbyte Motherboard Multitasking Multithreading NVRAM Operating System Parity Checking Passive Termination PCI Peripheral Devices Pin 1 Orientation B 4 The part of a computer s memory which is directly accessible by the CPU usually synonymous with RAM Megabyte A measure of computer storage equal to 1024 kilobytes See Mainboard In some countries the term Motherboard is not appropriate The executing of more than one command at the same time This allows programs to operate in parallel The simultaneous accessing of data by more than one S
45. mes are not keyed Glossary of Terms and Abbreviations PIO Port Address Port Number Queue Tags RAM RISC Core ROM SCAM SCSI SCSI 2 SCSI 3 Programmed Input Output A way the CPU can transfer data to and from memory using the computer s I O ports PIO is usually faster than DMA but requires CPU time Also Port Number The address through which commands are sent to a host adapter board This address is assigned by the PCI bus See Port Address A way to keep track of multiple commands that allow for increased throughput on the SCSI bus 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 The contents of RAM are lost when the computer is turned off 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 The contents of ROM are not erased when the computer is turned off SCSI Configured AutoMatically A method to automatically allocate SCSI IDs using software when SCAM compliant SCSI devices are attached Small Computer System Interface A specification for a high performance peripheral bus and command set The original standard is referred to as SCSI 1 The current SCSI specification which adds features to the original SCSI
46. n Before replacing the cover on your computer review this installation procedure check list This can save you effort later Verify Installation Procedures Done Host adapter connection in PCI bus slot secure Internal SCSI bus connections secure pin 1 continuity External SCSI bus connections secure Proper SCSI bus termination established Unique SCSI IDs set and recorded for each device Step 1 Replace the cabinet cover on your computer Step 2 Plug in all power cords and switch on power to all devices and your computer Step 3 Wait for your computer to boot up Step 4 To change the configuration of the host adapter see Chapter 3 Configuring the LSIU80ALVD 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 2 24 Installing the LSIU80ALVD Chapter 3 Configuring the LSIU80ALVD This chapter describes configuring the LSIU80ALVD and includes these topics e Section 3 1 When to Configure the LSIU80ALVD page 3 1 e Section 3 2 Starting the SCSI BIOS Configuration Utility page 3 2 e Section 3 3 Exiting the SCSI BIOS Configuration Utility page 3 14 3 1 When to Configure the LSIU80ALVD In most cases you should not need to change the default configuration of the host adapter You may decide to alter these default values if there
47. n Bus L Terminators Enabled XS Detailed Installation Procedure 2 21 2 2 10 Setting SCSI IDs 2 22 You must set each SCSI device and the host adapter to a separate SCSI ID 0 through 15 SCSI ID 7 is the preset host adapter setting giving it the highest priority on the SCSI bus If you plan to boot your computer from a SCSI hard disk drive on the SCSI bus that drive should have the lowest SCSI ID on the bus Typically SCSI ID 0 is used however for system performance optimization an ID other than 0 zero can be used Chapter 3 Configuring the LSIU80ALVD explains how to set the 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 ID of each device and how to change it You must have no duplication of SCSI IDs on a SCSI bus Step 1 Determine the SCSI ID of each device on the SCSI bus Note any duplications Step 2 Make any necessary changes to the SCSI IDs to eliminate duplicates and record the IDs for future reference Table 2 3 is provided as a place to keep this record Installing the LSIU80ALVD Table 2 3 SCSI ID Record SCSI ID SCSI Device LSIU80ALVD default Detailed Installation Procedure 2 23 2 3 Completing the Installatio
48. nge an adapter s status select it and press Enter Then press the Escape Esc key to exit from this 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 Figure 3 3 is an example of the Boot Order menu Figure 3 3 Boot Order Menu Main Menu BootSeq Bus DevFunc BootSeq Bus DevFunc O LSI53C895A 00 AO 1 LSI53C896 00 98 2 LSI53C896 00 90 To change an adapter s boot order select it and press Enter You are then prompted to enter the new boot sequence number To remove an adapter s boot order press Enter again rather than entering a new sequence number While the maximum capacity is 32 adapters only 0 through 3 can be assigned a boot order If an invalid number is entered an error message appears When the adapters are ordered as desired press the Escape Esc key to exit from this menu Starting the SCSI BIOS Configuration Utility 3 5 3 2 1 3 Additional Adapter Configuration 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 as shown in Figure 3 4 appears Figure 3 4 Adapter Configuration Menu Main Menu BootSeq Bus DevFunc BootSeq Bus DevFunc 1 LSI53C895A 00 AO 0 LSI53C896 00 98 LSI53C896 Hi
49. nt 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 3 On Board LED A 2 4 The SCSI Busy LED Appendix B Glossary of Terms and Abbreviations Index Customer Feedback viii Contents 3 1 3 2 3 3 3 7 3 11 3 14 A 1 A 1 A 2 A 3 A 3 A 3 A 4 A 4 A 7 A 10 A 10 Figures 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 211 2 12 2 13 2 14 3 1 3 2 3 3 3 4 3 5 3 6 IT A 1 Hardware Connections for the LSIU80ALVD 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 SCSI LED Connector External Cable to Host Adapter External SCSI Device Cable Multiple External SCSI Devices Chained Together Internal SCSI Device Termination External SCSI Device Termination Internal and External SCSI Device Termination Main Menu Change Status on Next Boot Menu Boot Order Menu Adapter Configuration Menu Utilities Menu Adapter Setup Menu Device Selections Menu LSIU80ALVD Mechanical Drawing Contents oo 2 6 29 2 10 2 11 242 2 13 2 14 2 15 2 16 247 2 19 2 20 2 24 3 5 3 0 3 6 3 7 3 8 3 11 A 2 Contents
50. o 80 Mbytes s Using the LSIU80ALVD 1 3 3 Ultra2 SCSI Technology The LSIU80ALVD fully supports Ultra2 SCSI Ultra2 SCSI is an extension of the SCSI Parallel Interface 2 and 3 SPI 2 and SPI 3 family of standards that expands the bandwidth of the SCSI bus allowing faster synchronous data transfers For the internal bus special impedance SCSI ribbon cables are specified for operation with Ultra and Ultra2 SCSI devices You must consider the total length of the bus cables and the number of devices on the SCSI bus when setting up your system Use SCSI cables that have been rated for standard SCSI Fast Ultra and Ultra2 environments See Chapter 2 Installing the LSIU80ALVD for a detailed explanation of SCSI bus connections 1 3 4 LVDlink Technology To support greater device connectivity and a longer SCSI cable the LSIU80ALVD features LVDlink technology the LSI Logic implementation of Universal LVD SCSI LVDlink transceivers provide the inherent reliability of differential SCSI and a long term migration path to faster SCSI transfer rates The LVDlink transceivers reduce the power needed to drive the SCSI bus so that the I O drivers can be integrated directly into the chip LVDlink technology lowers the amplitude of noise reflections and allows higher transmission frequencies The LVDlink transceivers operate in LVD and SE modes They also allow the chip to detect a High Voltage Differential HVD signal when the chip
51. pecification for connecting SCSI devices It references each 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 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 One of the ways data is transferred over the SCSI bus Transfers are clocked with fixed frequency pulses This is faster than asynchronous data transfer Synchronous data transfers are negotiated between the SCSI host adapter and each SCSI device Controls the low level POST Power On Self Test and basic operation of the CPU and computer system Glossary of Terms and Abbreviations Ultra SCSI Ultra2 SCSI VCCI VDE Virtual Memory Wide SCSI Wide Ultra SCSI Wide Ultra2 SCSI Word A standard for SCSI data transfers It allows a transfer rate of up to 20 Mbytes s over an 8 bit SCSI bus and up to 40 Mbytes s over a 16 bit SCSI bus STA SCSI Trade Association supports using the term Ultra SCSI over the older term Fast 20 A standard for SCSI data transfers It allows a transfer rate of up to 40 Mbytes s over an 8 bit SCSI bus and up to 80 Mbytes s over a 16 bit SCSI bus STA SCSI Trade Association supports using the term Ultra2 SCSI over the term Fast 40 Voluntary Control Council for Interference Verband Deucher Elektron
52. port 3 9 removable media support choices boot drive only 3 9 none 3 9 with media installed 3 9 restore default setup 3 14 ribbon cable 2 7 S safety characteristics A 3 SCAM support 3 8 scan for device at boot time 3 13 for SCSI logical units 3 13 order 3 9 SCSI BIOS configuration utility 3 2 bus connections 2 7 bus termination 2 18 busy LED A 10 configured automatically 3 8 IDs 2 22 interface 1 2 1 4 A 7 LED connector 2 14 peripherals 2 7 ribbon cable 2 10 IX 2 Index setting SCSI IDs 2 22 spinup delay seconds 3 10 starting the SCSI BIOS configuration utility 3 2 storage device management system SDMS 1 1 sync rate option 3 12 T termination 2 18 erroneous 2 18 thermal atmospheric characteristics A 3 U Ultra SCSI 2 7 Ultra2 SCSI 1 5 utilities menu adapter setup 3 7 device selections 3 7 V verify option 3 13 Ww width option 3 12 Customer Feedback We would appreciate your feedback on this document Please copy the following page add your comments and fax it to us at the number shown If appropriate please also fax copies of any marked up pages from this document Important 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 LSIU80ALVD PCI to Ultra2 SCSI Host Adapter Reader s Comments Fax your comments to L
53. ptimal 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 current menu screen and return to the previous screen 3 3 Exiting the SCSI BIOS Configuration Utility 3 14 Since some changes only take effect after the system reboots it is important that you exit from this Configuration Utility properly Return to the Main Menu and exit by using the Quit option Important Rebooting the system without properly exiting from this utility may cause some changes to not take effect Configuring the LSIU80ALVD Appendix A Technical Specifications The section discusses the physical environment associated with the LSIU80ALVD It includes a mechanical drawing of this board which is shown in Figure A 1 It also includes these topics e Section A 1 Physical Environment page A 1 e Section A 2 Operational Environment page A 4 A 1 Physical Environment This section discusses the physical electrical thermal and safety characteristics of the LSIU80ALVD Additionally this board is compliant with electromagnetic standards set by the FCC A 1 1 Physical Characteristics The dimensions of the LSIU80ALVD board are 154 4 x 88 90 mm 6 00 x 3 50 inches PCI connection is made through edge connector J1 Internal SCSI connection is mad
54. re 3 7 is an example of the Device Selections menu Figure 3 7 Device Selections Menu Device Selections 0 7 Sync Data Disc Time Scan Queue Initial Rate Width Out Bus LUNS Tags Boot 0 Dev0 N A 80 16 On 10 Yes Yes On o 1 Dev1 N A 80 16 On 10 Yes Yes On O 2 Dev2 N A 80 16 On 10 Yes Yes On o 3 Dev3 N A 80 16 On 10 Yes Yes On o 4 Dev4 N A 80 16 On 10 Yes Yes On o 5 Dev5 N A 80 16 On 10 Yes Yes On o 6 Dev6 N A 80 16 On 10 Yes Yes On O LSIS53C895A 80 16 On 10 Yes Yes On o Device Selections 8 15 Help Exit this menu The settings in this menu affect individual SCSI devices attached to the selected host adapter Changes made from this menu do not cause the system to reboot upon exit from the SCSI BIOS Configuration Utility To change a value select the required device by using the arrow keys and press Enter A new menu as shown in Figure 3 7 appears providing the options and utilities available For example you could cursor to Sync Rate to change the Sync Rate value of the chose device Starting the SCSI BIOS Configuration Utility 3 11 3 12 Figure 3 7 Device Selections Menu Cont LSI53C895A 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 Sync Rate Mbytes s This option defines the maximum data transfer rate the host a
55. t settings for that adapter and the SCSI devices attached to it You can select an adapter only if Current Status is On Changes are possible since NVRAM is present on this host adapter Figure 3 1 is an example of the Main Menu Starting the SCSI BIOS Configuration Utility 3 3 Figure 3 1 Main Menu Main Menu Port Irq Status NVRAM Num Level Current Next Boot Found LSI53C895A FCOO 9 On On Yes LSI53C896 F800 9 On Off Yes LSI53C896 F801 9 On Off 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 If these settings are altered the system reboots upon exit from the Configuration Utility by using the Quit option 3 2 1 1 Change Adapter Status Change Adapter Status allows the user to activate or deactivate a host adapter and all SCSI devices attached to it When this option is used to make a change the change takes place after a reboot upon exit from the utility Figure 3 2 is an example of the Change Status on Next Boot menu 3 4 Configuring the LSIU80ALVD Figure 3 2 Change Status on Next Boot Menu Main Menu Change Status on Next Boot Port Irq Status NVRAM Num Level Current Next Boot Found LSI53C895A FCOO 9 On On Yes LSI53C896 F800 9 On Off Yes LSI53C896 F801 9 On Off Yes To cha
56. tary 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 Document DB15 000320 00 August 2004 This document describes the LSI Logic LSIU80ALVD PCI to Ultra2 SCSI Host Adapter and will remain the official reference source for all revisions releases of this product until rescinded by an update LSI Logic Corporation reserves the right to make changes to any products herein at any time without notice LSI Logic does not assume any responsibility or liability arising out of the application or use of any product described herein except as expressly agreed to in writing by 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 Copyright 2004 by LSI Logic Corporation All rights reserved TRADEMARK ACKNOWLEDGMENT LSI Logic the LSI Logic logo design TolerANT SDMS and LVDlink are trademarks or registered trademarks of LSI Logic Corporation All other brand and product names may be trademarks of their respective companies
57. ternal Connections for use with nonterminated internal devices 68 pin High Density Terminated End SCSI Cable for Internal Connections 68 pin High Density SCSI Cable for External Connections 68 pin HD Detailed Installation Procedure 2 9 2 2 4 Making Internal SCSI Bus Connections This section provides step by step instructions about making internal SCSI bus connections Step 1 To connect an internal SCSI device plug the 68 pin connector on one end of the internal SCSI ribbon cable into connector J2 see Figure 2 4 Figure 2 4 Internal SCSI Ribbon Cable to Host Adapter Connection Internal SCSI Interface J2 2 10 Installing the LSIU80ALVD 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 Note For nonterminated internal SCSI devices a terminated cable will be required This connector must be on the end of the SCSI cable Figure 2 5 Internal SCSI Ribbon Cable to Internal SCSI Device Connection 2 11 Detailed Installation Procedure Step 3 To plug in additional internal SCSI devices use an internal SCSI ribbon cable with the required number of 68 pin connectors attached along its length as shown in Figure 2 6 An example of this type of chained connection is shown in Figure

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