LSI Ultra160 User's Manual
Contents
1. 3 3 2 External SCSI Cables and Connectors All external SCSI bus connections to your Ultra160 SCSI host adapter are made with shielded cables Figures 3 11 through 3 13 provide examples of external cables The connectors on this cable are keyed to ensure proper pin 1 connection Refer to Figure 3 14 for examples of connectors found on external SCSI cables Cabling SCSI Devices 3 11 3 12 Figure 3 11 SCSI Cable 68 Pin VHDCI Figure 3 12 SCSI Cable 50 Pin High Density Figure 3 13 SCSI Cable 50 Pin Low Density Ultra160 SCSI to PCI Host Adapter Characteristics Figure 3 14 External Connectors Centronics 50 Pin Male High Density 50 Pin Male 0000000000000000000000000 0000000000000000000000000 High Density 68 Pin Male O 0000000000000000000000000000000000 O 0000000000000000000000000000000000 Very High Density Centronics 68 Pin Male eects te Potts a en E RER EEE eal UUUUUUUUUUIUUUUUUUIUUUUUUUIUUUUUUUUU DB25 Male C 0000000000000 C0O0000000000 Note The DB25 Connector is not a SCSI Standard 3 4 Technical Specifications The design and implementation of the LSI Logic Ultra160 SCSI to PCI host adapter boards minimize electromagnetic emissions susceptibility to radio frequency energy and the effects of electrostatic discharge The board carries the CE mark C Tick mark FCC Self Certification log Canadian Compliance Statement and meets the requirements of FCC2. J5 Connector Used to connect multiple internal SCSI devices Internal Connectors 2 2 2 Making External SCSI Bus Connections 2 6 This section provides step by step instructions for making external SCSI bus connections Refer to Section 3 3 2 External SCSI Cables and Connectors page 3 11 for examples of external cables Step 1 Step 2 Plug the 50 pin connector on one end of a shielded external high density cable into the appropriate connector This connector is exposed on the back panel of your computer Plug the 50 pin connector on the other end of the shielded external SCSI cable into the SCSI connector on your external SCSI device Detailed Host Adapter Installation Figure 2 5 shows an example of an external SCSI connection to a single external SCSI device If you have the correct cable it matches the external connector Termination occurs on the last SCSI device See Section 2 3 Terminating the SCSI Bus for more information about SCSI bus termination Figure 2 5 External SCSI Connection to an External SCSI Device External Connector Step 3 Chain any additional SCSI devices together with shielded external SCSI cables Figure 2 6 shows an example of multiple external SCSI devices that are chained together Connecting SCSI Peripherals 2 7 Figure 2 6 Multiple External SCSI Devices Chained Together Last Device on Chain Termination Enabled These Devices Do Not En
3. If you have only external connections skip to Section 2 2 2 Making External SCSI Bus Connections otherwise follow these steps 2 4 Detailed Host Adapter Installation Step 1 Plug the 68 pin connector on the SCSI ribbon cable into the internal connector on the host adapter board Figure 2 3 illustrates how to make this connection Figure 2 3 Internal SCSI Ribbon Cable to Host Adapter 68 Pin High Density Ribbon Cable See Figure 3 8 and Figure 3 9 for examples of internal ribbon cables Connector Internal Connectors Step 2 Plug the 68 pin connector on the other end of the internal SCSI ribbon cable into the SCSI connector on the internal SCSI device Figure 2 4 illustrates the chaining of internal SCSI devices If you have more than one internal SCSI device you must have a cable with at least as many connectors as you have devices Note Daisy chaining devices represent an arrangement of devices connected in a series Any signal transmitted to the devices goes to the first device from the first to the second and so on Termination occurs on the last internal SCSI device See Section 2 3 Terminating the SCSI Bus for more information on SCSI bus termination Connecting SCSI Peripherals 2 5 Step 3 Plug in any additional internal SCSI devices as required Figure 2 4 Multiple Internal SCSI Devices Chained Together External Connector Last Device on Chain Termination Enabled
4. 2 4 Installing your Ultra160 SCSI Host Adapter 2 1 1 Selecting a PCI Slot 2 1 2 Inserting the Host Adapter Connecting SCSI Peripherals 2 2 1 Making Internal Wide SCSI Bus Connections 2 2 2 Making External SCSI Bus Connections Terminating the SCSI Bus 23 1 Internal and External SCSI Terminations 2 3 2 Setting SCSI IDs Completing the Installation Ultra160 SCSI to PCI Host Adapter Characteristics 3 1 3 2 3 3 Ultra160 SCSI to PCI Boards Host Adapter Characteristics 3 2 1 LSI20160 Host Adapter 3 2 2 LSI20160L Host Adapter 3 2 3 LSI22903 Host Adapter 3 2 4 LSI22915A Host Adapter 3 2 5 ITI6200U3LP Host Adapter 3 2 6 LSI21003 Host Adapter 3 2 7 LSI21040 Host Adapter Cabling SCSI Devices Contents a E 13 1 4 2 1 2 1 22 2 4 2 4 2 5 2 8 2 9 2 9 2 11 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 vii Appendix A viii 3 4 3 3 1 Internal SCSI Cables 3 32 External SCSI Cables and Connectors Technical Specifications 3 4 1 Electrical Characteristics 3 4 2 Thermal Atmospheric Characteristics 3 4 3 Safety Characteristics Glossary of Terms and Abbreviations Index Customer Feedback Contents 3 10 3 11 3 13 3 14 3 15 3 15 Figures 2 1 aa 2 3 2 4 2 5 2 6 aT 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 10 3 11 3 12 3 13 3 14 Hardware Connections for the Host Adapter Inserting the Host Adapter Internal SCSI Ribbon Cable to Host Adapter Multiple Internal SCSI Devi
5. 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 No duplication of SCSI IDs is allowed on a SCSI bus To set your SCSI IDs follow these steps Step 1 Determine the SCSI ID of each device on the SCSI bus Step 2 Make any necessary changes to the SCSI IDs and record the IDs for future reference Correct any duplications at this time Table 2 1 provides a place to keep this record Table 2 1 SCSI ID Record SCSI ID SCSI Device Channel A SCSI Device Channel B Ultra160 SCSI to PCI Host Adapter Ultra160 SCSI to PCI Host Adapter Detailed Host Adapter Installation 2 4 Completing the Installation Before replacing the cover on your computer review this installation procedure check list This can save you effort later Verify Installation Procedures Host adapter connection in PCI bus slot secure level 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 Step 2 Step 3 Step 4 Completing the Installation Replace the cabinet cover on your computer Plug in all power cords turn on the peripherals and t
6. State Zip Customer Feedback You can find a current list of our U S distributors international distributors and sales offices and design resource centers on our web site at http www I silogic com contacts na_salesoffices html
7. Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12 Ground yourself before handling the host adapter board to discharge static electricity Remove the host adapter board from its packing and examine it for any damage Retain the packing for future use Turn off and unplug your computer and peripherals Open your PC cabinet by removing its cover Locate the slot for installing PCI plug in boards Insert your Ultra160 SCSI host adapter board into the selected PCI 32 or 64 bit slot Connect the internal and external SCSI peripherals Optional Connect the LED cable on your SCSI host adapter Terminate the SCSI bus The SCSI bus requires proper termination and no duplicate SCSI IDs Set the peripheral SCSI IDs Do not duplicate the SCSI IDs Make any configuration changes Replace your PC cabinet cover Plug in all power cords turn on the peripherals and then turn on your computer The host adapter installation is complete Quick Host Adapter Installation 1 3 1 4 Quick Windows NT Windows 2000 Driver Installation To load the sYM U3 sYs miniport driver during a new Windows NT or Windows 2000 system installation you can boot directly from the Microsoft installation CD ROM The Windows NT 4 0 and Windows 2000 drivers are not interchangeable however the instructions are very similar To install a new Windows NT or Windows 2000 operating system and its appropriate dev
8. 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 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 0 through 15 for Wide SCSI The host adapter usually gets the highest ID 7 or 15 giving it priority to control the bus Storage Device Management System An LSI Logic software product that manages SCSI system O A 3 Single Ended SCSI Synchronous Data Transfer Ultra SCSI Ultra2 SCSI Ultra160 SCSI VHDCI A 4 A hardware specification 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 One of the ways data is transferred over the SCSI bus Transfers are clocked with fixed frequency pulses This is fa
9. and CISPR Class B Ultra160 SCSI boards have specific electrical thermal atmospheric and safety characteristics in common Technical Specifications 3 13 3 4 1 Electrical Characteristics This section provides the power requirements for standard PCI boards and Low Profile PCI Ultra160 SCSI boaras 3 0 0 1 Standard and Low Profile PCI Boards Table 3 4 lists the maximum power requirements which include SCSI TERMPWR under normal operation Table 3 4 Maximum Power Requirements PCI PRSNT1 Over the Host Adapter PCI 5 0 V DC PCI 3 3 V DC PRSNT2 Power Operating Range LSI20160 1 3 A 5 1 00 A 5 7 5 W C to 55 LSI22915A 3 0 A 5 N A 15 W C to 55 ITI6200U3LP 3 0 A 5 N A 15 W C to 55 Lsi21040 3 0 A 5 N A 7 5 W C to 55 LSI21003 1 5 A 5 N A 15 W C to 55 LSI20160L2 1 3 A 5 1 00 A 5 7 5 W C to 55 or 0 40 A 5 LSI229032 1 3 A 45 0 80 A 5 or 0 40 A 5 1 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 4 A is sustained no longer than 30 seconds before the self resetting TERMPWR short circuit protection device opens 2 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 8 A is sustained no longer than 0 5 seconds before the self resetting TERMPWR sh
10. i Ci 000 J3 J4 Channel A 50 Pin Internal Low Density SCSI Connector J1 Ultra160 SCSI PCI Bus Edge Connector Notice that the components on a Ultra160 SCSI to PCI host adapter face the opposite way from non PCI adapter boards you may have in your system This is correct The board is keyed to go in only one way Step 4 Secure the bracket with the bracket screw before making the internal and external SCSI bus connections Figure 2 2 shows an example of how to insert your host adapter All LSI Logic Ultra160 SCSI to PCI host adapters require a PCI slot that allows bus master operation Installing your Ultra160 SCSI Host Adapter 2 3 Figure 2 2 Inserting the Host Adapter 9 Secure the bracket with the Bracket around bracket screw connector J3 fits where blank bracket panel was removed 32 Bit slots If you plug a 64 bit card into a 32 bit slot be careful not to damage the main board 64 Bit slots 2 2 Connecting SCSI Peripherals This section provides information about making internal and external SCSI connections 2 2 1 Making Internal Wide SCSI Bus Connections This section provides step by step instructions for making internal SCSI bus connections These steps refer to connectors that are specific to the LSI21003 Internal and external connectors can be 50 pin or 68 pin Refer to Section 3 3 1 Internal SCSI Cables page 3 10 for examples of internal cables
11. in multimode LVD SE termination because most Ultra160 hard disk drives are not made with on board LVD termination Table 3 3 lists standard cable specifications Table 3 3 Cable Specifications Maximum Bus Length Meters STA Term SE LVD Maximum Devices Ultra SCSI 1 5 see note Wide Ultra SCSI 1 5 3 see note Ultra2 SCSI see note 12 Wide Ultra2 SCSI see note 12 Ultra160 see note 12 1 This parameter may be exceeded in point to point and engineered applications 2 LVD was not defined in the original SCSI standards for this speed If all devices on the bus support LVD then 12 meter operation is possible at this speed However if any device on the bus is SE only then the entire bus switches to SE mode and the distances in the SE column apply 3 SE and High Voltage Differential HVD are not defined at greater than Ultra speeds 3 3 1 Internal SCSI Cables You can make internal SCSI bus connections to your Ultra160 SCSI host adapter with an unshielded 68 or 50 conductor ribbon cable Some internal cables come with an LVD SE terminator on one end This end must be farthest from the host adapter Figures 3 8 through 3 10 provide examples of internal cables 3 10 Ultra160 SCSI to PCI Host Adapter Characteristics Figure 3 8 SCSI Cable 68 Pin High Density with Termination Terminator Figure 3 9 SCSI Cable 68 Pin High Density without Termination
12. mm LSI22915A Dual Channel Ultra160 SCSI 64 bit 66 MHz Standard 8 5 x 3 80 inches 215 9 x 96 52 mm Ultra160 SCSI to PCI Host Adapters 3 1 Table 3 1 Ultra160 SCSI to PCI Host Adapter Boards Cont Description Bracket Board Dimensions ITI6200U3LP Dual Channel Ultra160 SCSI Low Profile PCI Low Profile 6 6 x 2 5 inches 167 64 x 63 5 mm LSI21003 Legacy Dual Channel Ultra160 SCSI Standard 7 5 x 2 5 inches 32 bit 33 MHz 190 5 x 63 5 mm LSI21040 Legacy Dual Channel Ultra160 SCSI Standard 8 5 x 3 80 inches 64 bit 33 MHz or 32 bit 33 MHz 215 9 x 96 52 mm 3 2 Host Adapter Characteristics Table 3 2 shows the general characteristics for all Ultra160 SCSI to PCI Host Adapters Table 3 2 Host Adapter Characteristics Serial LVD SE Ultra160 SCSI SCSI SCSI EEPROM Signaling Data Transfers Features Termination 16 bit SE Up to 160 Mbytes s as well as Plug n Play TERMPWR with or LVD Fast Ultra and Ultra2 Scatter Gather auto resetting interfaces speeds Synchronous offsets Activity LED circuit breaker up to 62 1 For BIOS boot ROM 2 For BIOS configuration storage The following sections provide the pertinent details and features of each LSI Logic Ultra160 SCSI to PCI host adapters Along with these features an example of each board s mechanical drawing is provided to illustrate the main connectors the LSI Logic controller and the termination speed supported b
13. nondata phases of the SCSI bus 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 your host adapter acts as an extension of the system BIOS Refers to the way a computer is setup 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 Cyclic Redundancy Check CRC is an error detection code used in Ultra160 SCSI Four bytes are transferred with the data to increase the reliability of data transfers CRC is used on the Double Transition DT Data In and DT Data Out phases 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 Ultra160 SCSI to PCI Host Adapters A 1 Domain Validation Double Transition Clocking EEPROM External SCSI Device Host Host Adapter Inter
14. 2001 by LSI Logic Corporation All rights reserved TRADEMARK ACKNOWLEDGMENT The LSI Logic logo design and SDMS are registered trademarks or trademarks of LSI Logic Corporation Windows and Windows NT are registered trademarks of Microsoft Corporation All other brand and product names may be trademarks of their respective companies 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 Isilogic com contacts na_salesoffices html MH iii iv Audience Organization Preface This book is the user s guide for all LSI Logic Ultra160 SCSI to PCI Host Adapters It contains a functional description for the Ultra160 SCSI boards as well as physical and electrical specifications This document assumes that you have some familiarity with SCSI protocol and related support devices This document benefits people installing and using the various Ultra160 SCSI to PCI Host Adapter Boards This document has the following chapters and appendixes e Chapter 1 Quick Installation Procedures provides quick installation instructions for installing your Ultra160 SCSI host adapter and Windows NT or Windows 2000 device driver e Chapter 2 Detailed Host Adapter Installation provides detailed installation instructions for installing your Ultra160 SCSI host adapter e Chapter 3 Ultra160 SCSI to PCI Host Adapt
15. 3 4 pin low density unshrouded right angle LED connector Subsystem Vendor ID is 1000 Subsystem ID is 1060 Ultra160 SCSI to PCI Host Adapter Characteristics 3 2 3 LSI22903 Host Adapter The LSI Logic LSI22903 PCI to Dual Channel Ultra160 SCSI Low Profile PCI Host Adapter Figure 3 3 provides two independent Ultra160 SCSI channels The LSI22903 board is a LPPCI board with a low profile bracket The SCSI interface is made through connector J2 for channel A and J4 for channel B The LSI22903 has these features e Two independent Ultra160 SCSI channels e Two connectors One external 68 pin VHDCI connection One internal 68 pin high density connection e LVD SE termination for external Channel A e VD termination for internal Channel B Figure 3 3 LSI22903 Mechanical Drawing COOL LP LPO 9099 09 08 J4 Q 00000000000000000 Channel B ioooooooooooooooo Ultra160 SCSI LVD only J2 LSI53C1010 Channel A Ultra160 SCSI LVD SE J1T PCI OAC AAA Note J1 PCI 64 bit universal type board edge connector J2 68 pin very high density external connector for channel A J4 68 pin high density internal connector for channel B J3 4 pin low density unshrouded right angle LED connector Subsystem Vendor ID is 1000 Subsystem ID is 1020 Host Adapter Characteristics 3 5 3 2 4 LSI22915A Host Adapter The LSI22915A PCI to Dual Channel Ultra160 SCSI Host Adapter Figure 3 4 provides two separate Ultra160 SCSI channe
16. A 3 6 host adapters maximum power requirements 3 14 supporting Ultra160 SCSI 1 1 internal SCSI bus connections additional internal devices 2 5 making 2 4 Internal SCSI Terminations 2 9 J jumpers 2 9 L LSI Logic controllers 1 1 LVD peripheral devices 2 8 manual shunt placing over post 2 9 maximum power requirements 3 14 miniport driver sym_u3 sys 1 4 Ultra160 SCSI to PCI Host Adapters IX 1 P PCI slot selecting 2 1 peripheral devices 2 10 preset host adapter setting SCSI ID 2 9 Q quick driver installation procedure 1 4 quick host adapter installation 1 3 S safety characteristics 3 15 SCSI bus terminating 2 8 termination using software control 2 9 SCSI cables external 3 11 3 12 internal 3 10 3 11 SCSI connectors external 3 13 SCSI devices cabling 3 10 SCSI IDs setting 2 9 SCSI peripherals connecting 2 8 SCSI termination internal and external 2 9 SDMS CD ROM 1 2 service packs for Windows NT 4 0 1 4 specifications cables 3 10 static ground strap 2 1 T technical specifications 3 13 3 15 thermal atmospheric characteristics 3 15 IX 2 Index U UL flammability rating 3 15 Ultra160 3 1 Ultra160 SCSI to PCI controllers 1 1 Ultra160 SCSI to PCI host adapters board descriptions 3 1 subsystem subsystem vendor IDs 3 2 W Windows NT 4 0 service packs 1 4 Windows NT Windows 2000 miniport driver 1 4 Windows NT Windows 2000 installing operating system and driver 1 4 obtaining
17. LSI Logic Corporation North American Headquarters Milpitas CA 408 433 8000 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 Document DB15 000183 01 Second Edition October 2001 This document describes the LSI Logic Ultra160 SCSI to PCI Host Adapters and will remain the official reference source for all revisions releases of this product until rescinded by an update The PCI interface is compatible with the PCI Local Bus Specification Revision 2 1 and 2 2 The SCSI interface is compatible with the ANSI draft standard X3T10 11 1142 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
18. USER S GUIDE Ultra160 SCSI to PCI Host Adapters October 2001 Version 1 1 DB15 000183 01 LSIPRee e 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 e increase the separation between the equipment and the receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or a
19. Windows NT Windows 2000 Drivers page 1 2 e Section 1 3 Quick Host Adapter Installation page 1 3 e Section 1 4 Quick Windows NT Windows 2000 Driver Installation page 1 4 1 1 General Description LSI Logic provides high performance cost effective Ultra160 SCSI controllers and host adapters The LSI Logic controllers and their associated host adapters that support Ultra160 SCSI are Controllers Host Adapters LSI53C1000 LSI20160 LSI20160L LS53C1010 LSI21040 LSI21003 LSI22903 LSI22915A 6200U3LP Installing any of these adapters into your PCI system allows you to connect SCSI devices over a SCSI bus You can use the Ultra160 SCSI boards in PCI computer systems with either a standard or Low Profile PCI LPPCI bracket type Ultra160 SCSI to PCI Host Adapters 1 1 For specific information about the Ultra160 SCSI controllers refer to the related publications section in the Preface 1 2 Obtaining Windows NT Windows 2000 Drivers Before you begin the Ultra160 SCSI host adapter installation create a Windows NT or Windows 2000 driver diskette by copying the driver files from either the LSI Logic SDMS CD ROM or from the LSI Logic web site at http uww 1silogic com If you obtain the driver software from the LSI Logic web site the zipped package that you download contains the appropriate files To obtain the driver software from the SDMS Software Device Drivers and Utilities CD ROM Release 4 x copy all t
20. access the PCI slots Locate the PCI slots on your computer Use a 32 bit slot for 32 bit host adapters and a 64 bit slot for 64 bit host adapters You may insert a 64 bit host adapter into a 32 bit slot if not 64 bit slots are available Refer to the user s manual supplied with your computer to confirm the location of the PCI slots Inserting the Host Adapter Perform the following steps to install your Ultra160 SCSI Host Adapter in your PC mainboard Step 1 Step 2 Step 3 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 The bracket around connector J3 should fit where the blank bracket panel was removed Figure 2 1 illustrates the hardware connections All the connectors in this example pertain to the LSI21003 Other Ultra160 SCSI host adapters will have different connector labels depending on the board design Refer to Chapter 3 Ultra160 SCSI to PCI Host Adapter Characteristics for more information Detailed Host Adapter Installation Figure 2 1 Channel A 50 Pin External High Density SCSI Connector Hardware Connections for the Host Adapter J5 Channel B 68 Pin Internal High Density pd SCSI ome Channel A 68 Pin Internal High Density SCSI E
21. ces Chained Together External SCSI Connection to an External SCSI Device Multiple External SCSI Devices Chained Together Autotermination Shunt LSI20160 Mechanical Drawing LSI20160L Mechanical Drawing LSI22903 Mechanical Drawing LSI22915A Mechanical Drawing ITI6200U3LP Mechanical Drawing LSI21003 Mechanical Drawing LSI21040 Mechanical Drawing SCSI Cable 68 Pin High Density with Termination SCSI Cable 68 Pin High Density without Termination SCSI Cable 50 Pin Low Density SCSI Cable 68 Pin VHDCI SCSI Cable 50 Pin High Density SCSI Cable 50 Pin Low Density External Connectors Contents 2 3 2 4 2 8 2 6 2 7 2 8 2 9 3 3 3 4 3 5 3 6 3 7 3 8 3 9 3 11 3 11 3 11 3 12 3 12 3 12 3 13 Contents Tables 2 1 3 1 3 2 3 3 3 4 Contents SCSI ID Record Ultra160 SCSI to PCI Host Adapter Boards Host Adapter Characteristics Cable Specifications Maximum Power Requirements 2 10 3 1 3 2 3 10 3 14 xi xii Contents Chapter 1 Quick Installation Procedures This chapter contains general information about Ultra160 SCSI controllers and host adapters It provides quick host adapter installation instructions for experienced computer users and instructions for SCSI bus setup It also provides quick installation instructions for Windows NT or Windows 2000 device drivers This chapter describes these topics e Section 1 1 General Description page 1 1 e Section 1 2 Obtaining
22. d Chain Termination Disabled External Board Connector Plugging in automatically enables termination 2 3 Terminating the SCSI Bus 2 8 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 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 To utilize Ultra160 SCSI performance you must only have LVD devices on the bus Do not mix any SE devices with LVD devices or the entire bus will drop to SE speed limiting bus performance to Ultra SCSI LVD peripheral devices are normally terminated with external terminators but are sometimes set with jumpers or with a switch on the peripheral Detailed Host Adapter Installation 2 3 1 Internal The Ultra160 SCSI host adapters automatically control SCSI bus termination for various bus configurations In one case you may disable termination by using BIOS software control to change the BIOS termination from Automatic to Off In another case where jumpers are provided on the board you would locate the shunts on the board for autotermination override Termination can be disabled by placing a manual sh
23. device drivers 1 2 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 Ultra160 SCSI to PCI Host Adapters Reader s Comments Fax your comments to LSI Logic Corporation Technical Publications M S E 198 Fax 408 433 4333 Please tell us how you rate this document Ultra160 SCSI to PCI Host Adapters Users 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
24. eatures Ultra160 SCSI for channel A to 160 Mbytes s per data transfer Ultra SCSI SE for channel B to 40 Mbytes s per data transfer Four connectors One external 68 pin high density connection Two internal 68 pin high density connections One internal 50 pin low density legacy connections for channel B LVD SE termination on channel A automatically SE termination on channel B automatically Figure 3 7 LSI21040 Mechanical Drawing O 00000000000000000 00000000000000000 10000000000000000 00000000000000000 O Note e Ji PCI 64 bit universal type board edge connector J2 and J4 68 pin high density shielded latching right angle internal connectors J3 68 pin high density shielded right angle external connector J5 50 pin low density shrouded vertical internal connector J6 4 pin low density unshrouded right angle LED connector Subsystem Vendor ID is 1000 Subsystem ID is 1040 Channel A Ultra160 SCSI LVD SE J5 00000000000000000 OO 000000000000000000O 0000 0000000000000 0000 0000000000000 0000 0000000000000 o9000000000 0000000 0000 0000000000000 0000 0000000000000 ooo0o00c00000 00000000 ooo0oo0oo0o000000000000 Ultra160 SCSI LVD SE LSI53C1010 J1T PCI A A A Host Adapter Characteristics 3 9 3 3 Cabling SCSI Devices The cable provided in your host adapter kit is matched to the host adapter board and its operation The Ultra160 SCSI cable also has built
25. er Characteristics illustrates the various LSI Logic Ultra160 SCSI to PCI Host Adapters and provides PCI and SCSI interface information e Appendix A Glossary of Terms and Abbreviations provides definitions of terms used in this book Preface V Related Publications PCI Storage Device Management System SDMS 4 0 Users Guide Version 1 2 LSI Logic Corporation only available in PDF format from LSI Logic Web Site http www 1silogic com LSI53C1000 PCI to Ultra160 SCSI Controller Technical Manual Version 2 1 LSI Logic Corporation Order No S14050 A LSI53C1010 33 PCI to Dual Channel Ultra160 SCSI Multifunction Controller Technical Manual Version 3 2 LSI Logic Corporation Order No S14025 B LSI53C1010 66 PCI to Dual Channel Ultra160 SCSI Multifunction Controller Technical Manual Version 2 1 LSI Logic Corporation Order No S14049 A Revision Record Revision Remarks Contains all Ultra160 SCSI PCI Host Adapters produced by LSI Logic Added LED information in Chapter 3 to ITIG200U3LP board Changed title to Ultra160 SCSI to PCI Host Adapters and other references to same throughout the book vi Preface Chapter 1 Chapter 2 Chapter 3 Contents Quick Installation Procedures Pe Ve 1 3 1 4 General Description Obtaining Windows NT Windows 2000 Drivers Quick Host Adapter Installation Quick Windows NT Windows 2000 Driver Installation Detailed Host Adapter Installation 2 1 2 2 2 3
26. he files starting from the 1386 subdirectory through the MINIPORT subdirectory 1386 WINNT MINIPORT to the root directory of a clean diskette You will use the driver diskette during installation process CDROM Drive DRIVERS 8XX 1010 WINNT ULTRA3NT I386 or CDROM Drive DRIVERS 8XX 1010 WIN2K ULTRA32K 1386 Additionally Channel Marketing provides the driver software on their SDMS Software Device Drivers and Utilities CD ROM Release 1 x Copy all the files from the Ultra160 subdirectory to the root directory of a clean diskette You will use this SDMS driver diskette during installation CDROM Drive DRIVERS 8XX 1010 WINNT ULTRA1 60 or CDROM Drive DRIVERS 8XX 1010 WIN2K ULTRA1 60 Contact the LSI Logic technical support team for LSI Logic Storage I O Components if you have any questions In the U S customers may contact us at 719 533 7230 Quick Installation Procedures 1 3 Quick Host Adapter Installation If you are an experienced computer user with prior host adapter installation and SCSI bus setup experience this section may sufficiently describe the installation procedure for you If you prefer more detailed instructions and guidance refer to Section 2 1 Installing your Ultra160 SCSI Host Adapter page 2 1 To install an LSI Logic Ultra160 SCSI to PCI Host Adapter follow these steps Step 1
27. hen turn on your computer Wait for your computer to boot up Refer to the LSI Logic PCI Storage Device Management System SDMS 4 0 Users Guide or the guide for the software you will use to load the driver software for your particular operating system and to change the configuration of your host adapter if needed 2 12 Detailed Host Adapter Installation Chapter 3 Ultra160 SCSI to PCI Host Adapter Characteristics This chapter describes the LSI Logic Ultra160 SCSI to PCI Host Adapter boards for use in your computer systems This chapter includes these topics e Section 3 1 Ultra160 SCSI to PCI Boards page 3 1 e Section 3 2 Host Adapter Characteristics page 3 2 e Section 3 3 Cabling SCSI Devices page 3 10 e Section 3 4 Technical Specifications page 3 13 3 1 Ultra160 SCSI to PCI Boards The Ultra160 SCSI boards are used in PCI computer systems with either a Standard or Low Profile PCI LPPCI bracket type Table 3 1 lists the LSI Logic Ultra160 SCSI to PCI Host Adapter Boards Table 3 1 Ultra160 SCSI to PCI Host Adapter Boards Adapter Description Bracket Board Dimensions LSI20160 Single Channel Ultra160 SCSI 32 bit 33 MHz Standard 4 721 x 2 536 inches 119 913 x 64 414 mm LSI20160L Single Channel Ultra160 SCSI 32 bit 33 MHz Low Profile 4 721 x 2 536 inches 119 913 x 64 414 mm LSI22903 Dual Channel Ultra160 SCSI 64 bit 33 MHz Low Profile 6 60 x 2 53 inches 167 64 x 64 262
28. ice driver follow these steps Step 1 Step 2 Step 3 Have the Windows NT driver diskette or Windows 2000 driver diskette available for inserting into the A drive when prompted Boot the computer from the Microsoft Windows NT 4 0 or Windows 2000 CD ROM Press the F6 key when the words Setup is inspecting your computer s hardware configuration appear or when prompted by Windows 2000 for nonsupported drivers Important You must press the F6 key for the new driver to be Step 4 Step 5 Step 6 Step 7 Step 8 recognized Otherwise the system does not recognize the devices controlled by the driver during the Windows setup Follow the instructions until a screen displaying the words Setup could not determine the type of one or more mass storage device appears Choose S to Specify Additional Devices Follow the prompts and insert the Windows NT Driver Diskette or Windows 2000 Driver Diskette when prompted Follow the Microsoft Windows NT 4 0 or Windows 2000 installation procedure to complete the installation Microsoft provides documentation with their installation CD ROM Install the Windows NT 4 0 Service Packs 5 or higher after Windows NT 4 0 has been installed Note Refer to the PC Storage Device Management System SDMS 4 0 Users Guide for device driver installation instructions that fully support Windows UNIX and Netware operating systems 1 4 Quick Installation Procedures Chapter 2 De
29. ions One internal 50 pin low density legacy connection for channel A e Channel A is SE only with autosense termination e Channel B is SE or LVD with termination permanently enabled Figure 3 6 LSI21003 Mechanical Drawing 00000000000000000 oo000000000000000 oo000000000000000 oo0000000000000000 Ooo00000000000000 Ooo00000000000 0000 oo000000000000000 oo000000000000000 J2 Channel A Ultra SCSI Wide SE J6 LED J5 Channel B Ultra160 SCSI LVD SE Ea da a Cad Oe be 7 a dt J4 Channel A Ultra SCSI Wide SE A Terminators C B Terminators J3 Channel A Ultra SCSI Wide SE oo0000000000000000 Qooo00000000000000 oo0o00000000000000 o o o o o o o o o o o o o o o o o LSI53C1010 Note J1 PCI 32 bit universal type board edge connector J2 and J5 68 pin high density shielded latching right angle internal connectors J3 50 pin high density shielded right angle external connector J4 50 pin low density shrouded vertical internal connector J6 4 pin low density unshrouded right angle LED connector Subsystem Vendor ID is 1000 Subsystem ID is 1050 3 8 Ultra160 SCSI to PCI Host Adapter Characteristics 3 2 7 LSI21040 Host Adapter The LSI21040 PCI to Dual Channel Ultra160 SCSI host adapter Figure 3 7 provides 16 bit LVD and SE solutions for your computer Channel A supports LVD SE modes of operation while channel B supports only the SE mode The LSI21040 board has these f
30. it universal type board edge connector J2 68 pin VHDCI connector for external SCSI connection J4 68 pin high density internal SCSI connection J3 4 pin low density unshrouded right angle LED connector Subsystem Vendor ID is 1000 Subsystem ID is 1060 Host Adapter Characteristics 3 3 3 2 2 LSI20160L Host Adapter 3 4 The LSI20160L PCI to Single Channel Ultra160 SCSI Low Profile PCI Host Adapter Figure 3 2 provides one Ultra160 SCSI channel The LSI20160L board supports Low Voltage Differential LVD and Single Ended SE SCSI The LSI20160L board is the LPPCI board with a low profile bracket The SCSI interface is made through connectors J2 and J4 The LSI20160L has these features e One Ultra160 SCSI channel e Two connectors One external 68 pin VHDCI connection One internal 68 pin high density connection e LVD SE termination Figure 3 2 LSI20160L Mechanical Drawing 00000000000000000 00000000000000000 00000000000000000 D0000000000000000O 0000 Channel A Ultra160 SCSI LVD only 8891 Jo LSI53C1000 20 Channel A 892 Ultra160 SCSI LVD SE J1T PCI IAT Note J1 PCI 32 bit universal type board edge connector J2 68 pin VHDCI connector for external SCSI connection J4 68 pin high density internal SCSI connection J
31. ls Both channel A and channel B of the LSI22915A support LVD and SE as a SCSI solution for your computer The SCSI interface is made through connector J1 or J3 for channel A and J4 or J7 for channel B The LSI22915A has these features e Two separate Ultra160 SCSI channels e Four connectors Two external 68 pin VHDCI connections Two internal 68 pin high density connections e LVD SE termination for both channels Figure 3 4 LSI22915A Mechanical Drawing ne Ultra160 SCSI LVD SE Activity e J7 LED 83 Channel B HDR5 Ultra160 SCSI LVD SE o o HDR3 Ultra160 SCSI LVD SE J6 PCI 64 bit universal type board edge connector J3 and J4 68 pin high density shielded right angle internal connectors J1 and J7 68 pin VHDCI shielded right angle external connector HDR1 and HDR2 Remote Activity Indicator Connection for channel A and channel B HDR3 and HDR5 Disable Termination for channel A and channel B Subsystem Vendor ID is 1000 Subsystem ID is 1010 Refer to Figure 3 5 ITI6200U3LP for LVD Status Indicator information 3 6 Ultra160 SCSI to PCI Host Adapter Characteristics 3 2 5 ITI6200U3LP Host Adapter The ITI6200U3LP Figure 3 5 is an Ultra160 SCSI Low Profile PCI Host Adapter that provides high performance 160 Mbytes s per channel The ITI6200U3LP has these features e Three connectors Two external 68 pin VHDCI connections One internal 68 pin high density connection e LVD SE ter
32. mination for both channels Figure 3 5 ITI6200U3LP Mechanical Drawing Channel A LED Bop 6H HD Bag 00080 OO0000000000000000 J4 Channel B as Ultra160 SCSI LVD SE only 8 J1 geg3 Channel A and Channel B Side by Side 592 Ultra160 SCSI LVD SE LSI53C1010 Channel B LED Note J6 PCI 64 bit universal type board edge connector J1 68 pin VHDCI shielded right angle external channel A and channel B J4 68 pin high density internal connector for channel B HDR3 Disable termination when installed for channel A HDRS5 Disable termination when installed for channel B Subsystem Vendor ID is 13E9 Subsystem ID is 1300 The LVD status indicators for the LSI22915A and ITIG200U3LP are LVD Status Indicator o Act Activity On Bus Busy Term Termination On Terminating oO LVD Mode On LVD Off SE Blink error Host Adapter Characteristics 3 7 3 2 6 LSI21003 Host Adapter The LSI21003 PCI to Dual Channel Ultra160 SCSI host adapter Figure 3 6 provides 16 bit LVD and SE SCSI solutions for your computer Channel A supports only the SE mode while channel B supports LVD and SE modes of operation The LSI21003 host adapter has these features e Ultra SCSI Wide SE for channel A to 40 Mbytes s per data transfer Ultra160 SCSI for channel B to 160 Mbytes s per data transfer e Four connectors One external 50 pin high density connection Two internal 68 pin high density connect
33. n 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 Ultra160 SCSI PCI Host Adapters LSI20160 LSI20160L LSI22903 LSI22915A ITIG200U3LP LSI21003 and LSI21040 are 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 CORBI AMRES ERRERA VCCI ORE ICD lt an BARAMRECT COMB RERACHATATE BANMELTRETA CORBMNIVACTL EVs S PERIE LIT END RIRRMBENSAAOCTCEMHSBOVET Aa HAS Co TIE LIV REL TR I 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
34. nal SCSI Device Local Bus Mainboard Main Memory NVRAM PCI A 2 Domain Validation is a software procedure in which a host queries a device to determine its ability to communicate at the negotiated Ultra160 data rate In Double Transition DT Clocking data is sampled on both the asserting and deasserting edge of the REQ ACK signal DT clocking may only be implemented on an LVD SCSI bus Electronically Erasable Programmable Read Only Memory A memory chip typically used to store configuration information See NVRAM A SCSI device installed outside the computer cabinet These devices are connected in a continuous chain using specific types of shielded cables 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 A way to connect peripherals directly to computer memory It bypasses the slower ISA and EISA buses PCI is a local bus standard 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 The part of a computer s memor
35. ort circuit protection device opens 3 14 Ultra160 SCSI to PCI Host Adapter Characteristics 3 4 2 Thermal Atmospheric Characteristics For all Ultra160 SCSI host adapter boards the thermal atmospheric characteristics are 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 The following parameters define the storage and transit environment for the LSI20160L e Temperature range 45 C to 105 C dry bulb e Relative humidity range 5 to 90 noncondensing 3 4 3 Safety Characteristics All LSI Logic Ultra160 SCSI to PCI host adapter boards meet or exceed the requirements of UL flammability rating 94 VO Each bare board is also marked with the suppliers name or trademark type and UL flammability rating Because these boards are installed in a PCI bus slot all voltages are below the SELV 42 4 V limit Technical Specifications 3 15 3 16 Ultra160 SCSI to PCI Host Adapter Characteristics Active Termination AIP BIOS Configuration CRC DMA Bus Master Device Driver Differential SCSI Appendix A 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 Ultra2 and Ultra160 SCSI require active termination Asynchronous Information Protection AIP provides error checking for asynchronous
36. ster than asynchronous data transfer Synchronous data transfers are negotiated between the SCSI host adapter and each SCSI device 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 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 A standard for SCSI data transfers It allows a transfer rate of up to 160 Mbytes s over a 16 bit SCSI bus Very High Density Cable Interconnect Glossary of Terms and Abbreviations Index B BIOS software control disabling termination 2 9 brackets 1 1 2 2 bus configurations 2 9 C cables specifications 3 10 characteristics electrical 3 14 safety 3 15 thermal atmospheric 3 15 check list for installation of host adapter 2 11 completing the installation 2 11 connecting the SCSI peripherals 2 4 connections making external SCSI bus 2 6 making internal SCSI bus 2 4 D daisy chaining devices 2 5 detailed installation procedure 2 1 2 11 devices SE and LVD 2 8 E electrical characteristics 3 14 external SCSI bus connections external chaining 2 8 making 2 6 F F6 key pressing during installation process 1 4 H host adapter inserting 2 2 2 4 installation check list 2 11 ITI6200U3LP 3 7 LSI20160 3 3 LSI20160L 3 4 LSI21003 3 8 LSI21040 3 9 LSI22903 3 5 LSI22915
37. tailed Host Adapter Installation This chapter provides detailed instructions on how to install the LSI Logic Ultra160 SCSI to PCI host adapters and includes these topics e Section 2 1 Installing your Ultra160 SCSI Host Adapter page 2 1 e Section 2 2 Connecting SCSI Peripherals page 2 4 e Section 2 3 Terminating the SCSI Bus page 2 8 e Section 2 4 Completing the Installation page 2 11 2 1 Installing your Ultra160 SCSI Host Adapter This section provides detailed instructions for installing your host adapter board and connecting it to your SCSI peripherals The following illustrations depict the LSI21003 PCI to Dual Channel Ultra160 SCSI Host Adapter However these illustrations are applicable to all boards 2 1 1 Selecting a PCI Slot Step 1 Ground yourself before removing the host adapter board from its package to discharge static electricity Caution Ground yourself by touching a grounded 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 2 Remove your Ultra160 SCSI host adapter from its packing and verify it is not damaged Step 3 Turn off and unplug your computer and peripherals Ultra160 SCSI to PCI Host Adapters 2 1 2 1 2 2 2 Step 4 Step 5 Remove the cabinet cover on your computer to
38. unt over the post When the shunt is off the terminator is active When the shunt is on the post the terminator is disabled Figure 2 7 illustrates how the shunt controls autotermination Figure 2 7 Autotermination Shunt Autotermination enabled no jumper installed oo Termination disabled jumper installed and External SCSI Terminations If you are making internal SCSI device connections to your host adapter you must terminate the last internal device on the SCSI bus If you are making external SCSI device connections to your host adapter you must terminate the last external device on the SCSI bus You must disable the termination on all other devices Termination on your host adapter is automatically enabled in this case 2 3 2 Setting SCSI IDs You must set each SCSI device and the host adapter to a separate SCSI ID The IDs are 0 through 7 for an 8 bit bus and 0 through 15 for a 16 bit bus 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 hard disk drive on the SCSI bus that drive should have SCSI ID 0 or the lowest SCSI ID on the bus Normally you do not change the host adapter SCSI ID setting If you wish to do so refer to the PCI Storage Device Management System SDMS 4 0 User s Guide which explains how to set your host adapter ID using the SCSI BIOS Configuration Utility Terminating the SCSI Bus 2 9 2 10
39. y these connections Footnotes below the drawing specify the function of each connector The Subsystem ID and Subsystem Vendor ID for the Ultra160 SCSI host adapters are provided in the notes below each mechanical drawing During system initialization the system loads the ID numbers into the Subsystem Vendor ID and Subsystem ID registers of the embedded LSI Logic Ultra160 SCSI controllers 3 2 Ultra160 SCSI to PCI Host Adapter Characteristics 3 2 1 LSI20160 Host Adapter The LSI20160 PCI to Single Channel Ultra160 SCSI Host Adapter Figure 3 1 provides one Ultra160 SCSI channel The LSI20160 board supports Low Voltage Differential LVD and Single Ended SE SCSI The SCSI interface is made through connectors J2 and J4 The LSI20160 has these features e One Ultra160 SCSI channel e Two connectors One external 68 pin VHDCI connection One internal 68 pin high density connection e LVD SE SCSI termination for the external connection LVD SCSI only for internal connection Figure 3 1 LSI20160 Mechanical Drawing 00000000000000000 00000000000000000 00000000000000000 J4 DN0000000000000000 oo J3 LED Channel A Ultra160 SCSI LVD only LSI53C1000 sea J2 Channel Al Ultra160 SCSI LVD SE JI T PCI UUU Note J1 PCI 32 b
40. y which is directly accessible by the CPU usually synonymous with RAM NonVolatile Random Access Memory Actually an EEPROM Electronically Erasable Read Only Memory chip used to store configuration information See EEPROM Peripheral Component Interconnect A local bus specification that allows connection of peripherals directly to computer memory It bypasses the slower ISA and EISA buses Glossary of Terms and Abbreviations Peripheral Devices Pin 1 Orientation RAM ROM SCAM SCSI SCSI Bus SCSI Device SCSI ID SDMS 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 sometimes are not keyed 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 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
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