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Operational Environment

A-7

A.2.2 The SCSI Interface

The SCSI interface operates as two 16-bit, synchronous or
asynchronous, SE or LVD bus, and supports Ultra2 SCSI protocols and
16-bit arbitration. The interface is made through connectors J2 and J5 for
Channel A and J4 and J3 for Channel B.

Connectors J2 and J3 are 68-pin VHDCI right-angle receptacles that
protrude through the ISA/EISA bracket. Connectors J4 and J5 are a
68-pin high density latching right-angle receptacles for internal SCSI
connections.

Active differential SCSI termination is provided automatically. SCSI
TERMPWR is also supplied by the board.

shows the signal

assignments for J2, J3, J4, and J5.

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Summary of Contents for LSI22910

Page 1: ...S14018 A LSI22910 PCI to Dual Channel Ultra2 SCSI Host Adapter USER S GUIDE D e c e m b e r 2 0 0 0 Version 1 1...

Page 2: ...the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Shielded cables...

Page 3: ...this product until rescinded by an update To receive product literature visit us at http www lsilogic com LSI Logic Corporation reserves the right to make changes to any products herein at any time w...

Page 4: ...iv...

Page 5: ...and managers who are evaluating or designing the host adapter board for possible use in a system End users who are installing the host adapter board into their computer Organization This document has...

Page 6: ...various terminology that is referenced throughout this user s guide Related Publications PCI Storage Device Management System SDMS 4 0 User s Guide Order Number S14007 A Revision Record Revision Date...

Page 7: ...ing the LSI22910 2 1 Quick Installation Procedure 2 1 2 2 Detailed Installation Procedure 2 3 2 2 1 Before You Start 2 3 2 2 2 Inserting the Host Adapter 2 4 2 2 3 Connecting the SCSI Peripherals 2 7...

Page 8: ...Thermal Atmospheric Characteristics A 3 A 1 4 Electromagnetic Compliance A 3 A 1 5 Safety Characteristics A 3 A 2 Operational Environment A 4 A 2 1 The PCI Interface A 4 A 2 2 The SCSI Interface A 7 A...

Page 9: ...atus on Next Boot Menu 3 5 3 3 Boot Order Menu 3 5 3 4 Adapter Configuration Menu 3 6 3 5 Utilities Menu 3 7 3 6 Adapter Setup Menu 3 8 3 7 Device Selections Menu 3 11 3 8 Device Selections Menu Cont...

Page 10: ...x Contents...

Page 11: ...pter in your PCI system allows connection of SCSI devices over a SCSI bus The LSI22910 is a 16 bit Low Voltage Differential LVD and Single Ended SE SCSI solution for your computer This board can suppo...

Page 12: ...bit SE LVD Automatically enabled termination Two connectors 68 pin Very High Density Cable Interconnect VHDCI for each external channel 68 pin high density for each internal channel Fast Ultra and Ult...

Page 13: ...nects directly to the PCI bus and generates timing protocol in compliance with the PCI Local Bus Specification Revision 2 1 standard The PCI interface operates as a 32 bit or 64 bit DMA bus master The...

Page 14: ...The LSI22910 supplies SCSI bus TERMPWR through a blocking diode and self resetting 1 5 A short circuit protection device An on board LED lights up when TERMPWR is shorted and turns off A 40 MHz oscil...

Page 15: ...SCSI bus connections When you purchased the LSI22910 kit the cable provided in the kit is matched for a Fast Ultra Ultra2 SE or LVD operation This cable also has built in LVD termination since most Ul...

Page 16: ...1 6 Using the LSI22910...

Page 17: ...the instructions in 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 your...

Page 18: ...around the connectors J2 and J3 should fit where the blank panel was removed Secure it with the bracket screw before making the internal and external SCSI bus connections see Figure 2 2 Step 8 If you...

Page 19: ...e following task list to get an overall idea of the steps to perform Open your PC cabinet and select an open PCI slot Insert the host adapter Connect the internal and external SCSI peripherals Termina...

Page 20: ...Caution Ground yourself by touching a metal surface before removing the cabinet cover Static charges on your body can damage electronic components Handle plug in boards by the edge do not touch board...

Page 21: ...may notice that the components on a 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 Channels A B...

Page 22: ...st Adapter Step 7 The bracket around the connectors J2 and 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...

Page 23: ...sure proper pin 1 connection Use Ultra Ultra2 rated cables for these bus speeds See Table 1 1 All external SCSI bus connections to the LSI22910 are made with shielded 68 conductor cables see Figure 2...

Page 24: ...ep 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 a wide internal SCSI ribbon cable into the connecto...

Page 25: ...or on the other end of the internal SCSI ribbon cable into the SCSI connector on the internal SCSI device Pin 1 must match on all connections An example of this connection appears in Figure 2 5 Figure...

Page 26: ...SCSI ribbon cable with the required number of connectors attached along its length See the example in Figure 2 6 An example of multiple internal SCSI devices chained together is shown in Figure 2 7 Ma...

Page 27: ...Detailed Installation Procedure 2 11 Figure 2 7 Multiple Internal SCSI Devices Chained Together...

Page 28: ...ED is also on the LSI22910 which indicates activity on the SCSI bus The Busy LED connector J6 as shown in Figure 2 1 is not keyed The J6 connector is a 4 pin one row right angle header for both Channe...

Page 29: ...1 If you need to connect external SCSI devices to the LSI22910 plug the 68 pin VHDCI connector on one end of a shielded external high density cable see Figure 2 3 into the host adapter connector J2 o...

Page 30: ...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 Ex...

Page 31: ...15 Step 3 If you need to connect more than one external SCSI device to your host adapter chain them together with shielded external SCSI cables See the example in Figure 2 11 Figure 2 11 Multiple Exte...

Page 32: ...ch on the peripheral Refer to the peripheral manufacturer s instructions and to the user s manual for your computer for information on how to identify the terminator setting of each device and how to...

Page 33: ...on the use of connectors see Figure 2 1 The three bus configurations are Only for internal SCSI connections Only for external SCSI connections and Connections to both internal and external SCSI connec...

Page 34: ...ter you must terminate the last internal 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 Figure 2 12...

Page 35: ...t disable the termination on all other devices Termination on your host adapter is automatically enabled in this case Figure 2 13 shows an example of how termination is determined for this SCSI bus co...

Page 36: ...ination on all other devices Termination on your host adapter is automatically disabled in this case Figure 2 14 shows an example of how termination is determined for this SCSI bus configuration on yo...

Page 37: ...owest SCSI ID on the bus Chapter 3 Configuring the LSI22910 explains how to set your host adapter ID using the LSI Logic SCSI BIOS Configuration Utility The peripheral device SCSI IDs are usually set...

Page 38: ...2 22 Installing the LSI22910 Table 2 1 SCSI ID Record SCSI ID SCSI Device Channel A SCSI Device Channel B 15 14 13 12 11 10 9 8 7 LSI22910 default LSI22910 default 6 5 4 3 2 1 0...

Page 39: ...interrupts However if your system does not support two separate interrupts INTA INTB see Figure A 1 is provided to change the interrupt routing Table 2 2 explains the jumper settings Table 2 2 Settin...

Page 40: ...ot up Step 4 To change the configuration of your host adapter see Chapter 3 Configuring the LSI22910 Finally refer to the PCI Storage Device Management System SDMS 4 0 User s Guide or the guide for th...

Page 41: ...the default configuration of your host adapter You may decide to alter these default values if there is a conflict between device settings or if you need to optimize system performance Table 3 1 and...

Page 42: ...or 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 chang...

Page 43: ...ce 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 u...

Page 44: ...lows you 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...

Page 45: ...dapter s boot order select it and press Enter The system prompts the user to enter the new boot sequence number To remove an adapter s boot order press Enter again rather than entering a new sequence...

Page 46: ...splay 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 bo...

Page 47: ...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 Utilities Menu Choose Adapter Setup to view and change the selected adapter...

Page 48: ...in versions 4 11 00 and later for the LSI53C896 The user 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 ref...

Page 49: ...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 fo...

Page 50: ...er the disk has been partitioned with the FDISK command To remove partitioning two options are available Reformat the disk using the Format Device option See Section 3 2 3 Device Selections Menu below...

Page 51: ...vice by using the arrow keys and press Enter A new menu as shown in Figure 3 8 appears providing the options and utilities available For example you could cursor to Sync Rate to change the Sync Rate v...

Page 52: ...ers 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 This disconnect option frees the SCSI Bu...

Page 53: ...th 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...

Page 54: ...r restoring default setup Exit this menu This option allows you to leave the current menu and return to the previous screen 3 3 Exiting the SCSI BIOS Configuration Utility Since some changes only take...

Page 55: ...by the FCC A 1 1 Physical Characteristics The dimensions of the LSI22910 are approximately 9 5 x 4 0 inches PCI connection is made through edge connector J1 The component height on the top and bottom...

Page 56: ...5 C a current of 4 A is sustained no longer than 30 seconds before the self resetting TERMPWR short circuit protection device opens J6 J5 J4 Channel B Channel A A Terminators B Terminators LSI53C896 C...

Page 57: ...ty range 5 to 90 noncondensing A 1 4 Electromagnetic Compliance The board is designed and implemented so as to minimize electromagnetic emissions susceptibility and the effects of electrostatic discha...

Page 58: ...t 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...

Page 59: ...AD57 72 GND PRSNT22 11 3 3 V 43 GND 73 KEYWAY 12 C_BE12 44 AD55 74 KEYWAY 13 AD14 45 AD53 75 RESERVED 14 GND 46 GND 76 GND 15 AD12 47 AD51 77 CLK 16 AD10 48 AD49 78 GND 17 GND 49 3 V 5 V 79 REQ2 18 K...

Page 60: ...5 V 10 GND 42 GND 72 RESERVED 11 PAR 43 AD56 73 KEYWAY 12 AD15 44 AD54 74 KEYWAY 13 3 3 V 45 3 V 5 V 75 RESERVED 14 AD13 46 AD52 76 RST2 15 AD11 47 AD50 77 3 V 5 V 16 GND 48 GND 78 GNT2 17 AD09 49 AD4...

Page 61: ...s J2 and J5 for Channel A and J4 and J3 for Channel B Connectors J2 and J3 are 68 pin VHDCI right angle receptacles that protrude through the ISA EISA bracket Connectors J4 and J5 are a 68 pin high de...

Page 62: ...g SCSI standard GND on this pin 50 SDP1 5 SC_D 28 TERMPWR 51 SD0 6 SREQ 29 TERMPWR 52 SD1 7 SI_O 30 N C 53 SD2 8 SD8 31 GND 54 SD3 9 SD9 32 SATN 55 SD4 10 SD10 33 GND 56 SD5 11 SD11 34 SBSY 57 SD6 12...

Page 63: ...wire arrangement that allows you to connect an LED harness to the board The connector on the LSI22910 is J6 for both channels Table A 5 lists the signal and pin numbers for the LED interface for this...

Page 64: ...A 10 Technical Specifications...

Page 65: ...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 Bus A collection of unbroken signal lines across which information...

Page 66: ...are 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 Dword A double word...

Page 67: ...in most PCs It allows devices to send and receive data up to 16 bits at a time Kbyte Kilobyte A measure of computer storage equal to 1024 bytes Local Bus A way to connect peripherals directly to comp...

Page 68: ...vides the user interface Parity Checking A way to verify the accuracy of data transmitted over the SCSI bus One bit in the transfer is used to make the sum of all the 1 bits either odd or even for odd...

Page 69: ...SCSI Configured AutoMatically A method to automatically allocate SCSI IDs using software when SCAM compliant SCSI devices are attached SCSI Small Computer System Interface A specification for a high p...

Page 70: ...ed 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 System BIOS Controls the low...

Page 71: ...over the standard 8 bit SCSI bus Wide Ultra SCSI The STA SCSI Trade Association term for SCSI bus width 16 bits SCSI bus speed maximum data rate 40 Mbytes s Wide Ultra2 SCSI The STA SCSI Trade Associ...

Page 72: ...B 8 Glossary of Terms and Abbreviations...

Page 73: ...ation procedure 2 3 device default settings 3 2 device selection menu 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...

Page 74: ...none 3 9 with media installed 3 9 restore default setup 3 14 S SCAM support 3 8 scan for device at boot time 3 13 scan for SCSI logical units 3 13 scan order 3 9 SCSI activity LED interface 1 4 A 9 SC...

Page 75: ...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 compa...

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