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Operational Environment

A-7

A.2.2

The SCSI Interface

The SCSI interface operates as a 8-bit or 16-bit, synchronous or
asynchronous, differential bus, and supports SCSI-2 protocols and 16-bit
arbitration. The interface is made through connectors J2 and J3 for
Channel A. Channel B connectors are J5 and J6. Connectors J2 and J5
are 68-pin high density right-angle receptacles for internal connections.
Connectors J3 and J6 are 68-pin VHDCI right-angle receptacles that
protrude through the back panel bracket.

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

and

show

the signal assignments for J2/J5, and J3/J6.

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Summary of Contents for LSIU40HVD Value Line

Page 1: ...DB15 000101 02 LSIU40HVD PCI to Dual Channel SCSI Host Adapter USER S GUIDE Au g u s t 2 0 0 2 Version 2 2...

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: ...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 a...

Page 4: ...iv...

Page 5: ...hnical Support Hot Line at 719 533 7230 The hours of operation are from 7 30 a m to 4 30 p m MST Monday through Friday Before calling or sending an e mail please have the following information Which L...

Page 6: ...s and Abbreviations provides definitions of various terminology that is referenced throughout this user s guide Related Publications PCI Storage Device Management System SDMS 4 0 User s Guide Order Nu...

Page 7: ...ation 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 6 2 2 4 SCSI Bus Termination 2 16 2...

Page 8: ...ical Characteristics A 2 A 1 3 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...

Page 9: ...Connectors 2 13 2 9 External Cable to Host Adapter 2 14 2 10 External Cable to External SSI Device 2 15 2 11 Multiple External SCSI Devices Chained Together 2 16 2 12 Internal SCSI Device Termination...

Page 10: ...x Contents...

Page 11: ...Record 2 22 2 3 Setting Jumpers 2 23 3 1 Global Default Settings 3 1 3 2 Device Default Settings 3 2 A 1 Maximum Power Requirements A 2 A 2 PCI Connector J1 Front A 5 A 3 PCI Connector J1 Back A 6 A...

Page 12: ...xii Contents...

Page 13: ...allows connection of SCSI devices over a SCSI bus The dual channel LSIU40HVD provides a 16 bit differential SCSI solution for your computer using only one PCI slot This board can support both legacy F...

Page 14: ...I interface includes these features Two identical isolated SCSI channels 16 bit differential Automatically enabled active termination Two connectors per channel 68 pin VHDCI external 68 pin right angl...

Page 15: ...PCI specification The PCI interface operates as a 32 bit DMA bus master The connection is made through the edge connector J1 see Figure 2 1 The signal definitions and pin numbers conform to the PCI Lo...

Page 16: ...jumpers for each channel allow user override of termination A 40 MHz oscillator is installed on the LSIU40HVD to provide the clock frequency to the LSI53C876 chip that is necessary to support Wide Ult...

Page 17: ...or the experienced computer user with prior host adapter installation and SCSI bus setup experience If you prefer more detailed guidance for installing the LSIU40HVD please follow the instructions in...

Page 18: ...n Figure 2 2 Note You may notice that the components on a PCI host adapter face the opposite way from those on other non PCI adapter boards you have in your system This is correct and the board is key...

Page 19: ...as described here LSI Logic suggests getting assistance 2 2 1 Before You Start Before you start look through the task list below to get an overall idea of the steps to perform Open your PC cabinet and...

Page 20: ...on your computer to access the PCI slots Caution Ground yourself by touching a metal surface before removing the cabinet cover Static charges on your body can damage electronic components Handle plug...

Page 21: ...the components on a PCI host adapter face the opposite way from those on other non PCI adapter boards you have in your system This is correct and the board is keyed to go in only one way Channel B 68...

Page 22: ...with the bracket screw see Figure 2 2 before making the internal and external SCSI bus connections 2 2 3 Connecting the SCSI Peripherals SCSI bus connections to the LSIU40HVD inside your computer are...

Page 23: ...hs and speeds as established by the SCSI Trade Association STA Important Use only cables designed and specified for operation with Ultra SCSI devices to make connections to the LSIU40HVD Table 2 1 SCS...

Page 24: ...instructions about making internal SCSI bus connections Step 1 If you are connecting an internal SCSI device plug the 68 pin connector on one end of a wide internal SCSI ribbon cable into the connecto...

Page 25: ...Detailed Installation Procedure 2 9 Figure 2 4 Internal SCSI Ribbon Cable to Host Adapter Connection J5 J2...

Page 26: ...the other end of the internal SCSI ribbon cable into the SCSI connector on your internal SCSI device An example of this connection is shown in Figure 2 5 You must match pin 1 on all connections Figure...

Page 27: ...y using an internal SCSI ribbon cable with the required number of connectors attached along its length as shown in Figure 2 6 An example of this type of chained connection is shown in Figure 2 7 Make...

Page 28: ...2 12 Installing the LSIU40HVD Figure 2 7 Multiple Internal SCSI Devices Chained Together...

Page 29: ...ty on the SCSI bus The LED connectors J4 and J7 see Figure 2 1 are not keyed The orientation of the LED cable does not matter as long as all four pins are connected Figure 2 8 SCSI LED Connectors Some...

Page 30: ...Step 1 To connect external SCSI devices to the LSIU40HVD plug the 68 pin VHDCI connector on one end of a shielded external high density cable see Figure 2 3 into the host adapter connector J3 or J6 se...

Page 31: ...ep 2 Plug the 68 pin connector on the other end of the shielded external SCSI cable into the SCSI connector on the external SCSI device An example of this connection is shown in Figure 2 10 Figure 2 1...

Page 32: ...shown in Figure 2 11 Figure 2 11 Multiple External SCSI Devices Chained Together 2 2 4 SCSI Bus Termination The devices making up the SCSI bus are connected serially chained together with SCSI cables...

Page 33: ...conductor 50 of a 68 conductor SCSI cable If you use an adapter to connect 8 bit devices externally with a 50 conductor SCSI cable the ground signal is detected on conductor 34 The LSIU40HVD automatic...

Page 34: ...ns to the host adapter have been made you must terminate the last external device on the SCSI bus You must disable the termination on all other devices Termination on the host adapter is automatically...

Page 35: ...inate the last internal and external devices on the SCSI bus You must disable the termination on all other devices Termination on the host adapter is automatically disabled in this case Figure 2 14 sh...

Page 36: ...Figure 2 14 Internal and External SCSI Device Termination Last Device on Chain Termination Enabled Does Not End Chain Termination Disabled Last Device on Chain Termination Enabled Host Adapter Termin...

Page 37: ...ate 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...

Page 38: ...t change the default interrupt routing for the LSIU40HVD since performance is usually increased by having two separate interrupts However if your system does not support two Table 2 2 SCSI ID Record S...

Page 39: ...hange the configuration of the LSIU40HVD see Chapter 3 Configuring the LSIU40HVD Step 5 Finally refer to the PCI Storage Device Management System SDMS 4 0 User s Guide or the guide for the software yo...

Page 40: ...2 24 Installing the LSIU40HVD...

Page 41: ...adapter is not necessary If a conflict does exist between device settings or if a need exists to optimize system performance this Configuration Utility provides the means to change system configuratio...

Page 42: ...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 Control C the mess...

Page 43: ...The device manufacturer provides the device drivers 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...

Page 44: ...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 f...

Page 45: ...er 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 maximu...

Page 46: ...ribed below 3 2 1 4 Display Mode The Display Mode option determines how much information about your host adapters and SCSI devices appear on your computer monitor during boot For more complete informa...

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

Page 48: ...t by default is off in versions 4 09 and later for the LSI53C876 device The user may choose to turn this on only if the system drivers do not require SCAM off Note that if this BIOS is flashed onto a...

Page 49: ...SI bus from low to high 0 to max SCSI ID or from high to low max to 0 SCSI ID If there is more than one device on the SCSI bus changing the scan order changes the order in which drive letters are assi...

Page 50: ...Section 3 2 2 2 Device Selections Menu Use the FDISK MBR command at the C prompt where MBR represents master boot record Important Reformatting the disk or using FDISK MBR erases all partitioning and...

Page 51: ...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 8 appears providing the options and utilities available Device Selections 0...

Page 52: ...must agree to a width they can both handle Only chips 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...

Page 53: ...not For example if a SCSI device with multiple LUNs is present on the system 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...

Page 54: ...ons will be lost upon saving after restoring default setup Exit this menu This option allows the user to leave the Device Selections Menu and return to the previous screen 3 3 Exiting the SCSI BIOS Co...

Page 55: ...aracteristics The dimensions of the LSIU40HVD are 190 x 96 52 mm 7 50 x 3 80 inches PCI connection is made through the edge connector J1 Internal 16 bit SCSI connection is made through the 68 pin high...

Page 56: ...no longer than 30 seconds before the self resetting TERMPWR short circuit protection device opens The PCI PRSNT1 and PRSNT2 pins are set to indicate a 15 W maximum configuration J2 J4 J5 J7 TP5 TP1 J...

Page 57: ...agnetic emissions susceptibility and the effects of electromagnetic discharge The board meets the requirements of FCC and CISPR Class B limits and is marked with the FCC Self Certification logo It als...

Page 58: ...32 bit DMA bus master The connection is made through the edge connector J1 which provides connections on both the front and back of the board The signal definitions and pin numbers conform to the PCI...

Page 59: ...3 27 AD10 48 INTB 7 GND 28 GND 49 INTD 8 AD21 29 KEYWAY 50 GND PRSNT1 9 AD19 30 KEYWAY 51 RESERVED 10 3 3 V 31 AD08 52 GND PRSNT2 11 AD17 32 AD07 53 KEYWAY 12 C_BE2 33 3 3 V 54 KEYWAY 13 GND 34 AD05 5...

Page 60: ...3 V 27 GND 48 INTC 7 AD22 28 AD09 49 5 V 8 AD20 29 KEYWAY 50 RESERVED 9 GND 30 KEYWAY 51 3 V 5 V 10 AD18 31 C_BE0 52 RESERVED 11 AD16 32 3 3 V 53 KEYWAY 12 3 3 V 33 AD06 54 KEYWAY 13 FRAME 34 AD04 55...

Page 61: ...s J2 and J3 for Channel A Channel B connectors are J5 and J6 Connectors J2 and J5 are 68 pin high density right angle receptacles for internal connections Connectors J3 and J6 are 68 pin VHDCI right a...

Page 62: ...ard SCSI device by sensing SCSI standard GND on this pin 50 SDP1 5 SREQ 28 TERMPWR 51 GND 6 SI_O 29 TERMPWR 52 SD0 7 GND 30 N C 53 SD1 8 SD8 31 SATN 54 SD2 9 SD9 32 GND 55 SD3 10 SD10 33 SBSY 56 SD4 1...

Page 63: ...ct an LED harness to the board The GPIO0_FETCH line maximum output low voltage 0 4 V and minimum output low current 16 mA is pulled low to complete the circuit when a harness with an LED is attached T...

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

Page 65: ...oot and control the system The SCSI BIOS on your host adapter acts as an extension of the system BIOS Bit A binary digit The smallest unit of information a computer uses The value of a bit 0 or 1 repr...

Page 66: ...CSI signal to a common ground Dword A double word is a group of four consecutive bytes or characters that are stored addressed transmitted and operated on as a unit The lower two address bits of the l...

Page 67: ...an IRQ path for each SCSI host adapter ISA 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 Kbyte Kilobyte A me...

Page 68: ...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 Passive Termination The electrical connection req...

Page 69: ...ontents of ROM are not erased when the computer is turned off SCAM SCSI Configured AutoMatically A method to automatically allocate SCSI IDs using software when SCAM compliant SCSI devices are attache...

Page 70: ...ays 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 ho...

Page 71: ...creases the transfer rate over the standard 8 bit SCSI bus Wide Ultra SCSI The STA term for a SCSI bus width of 16 bits with the SCSI bus speed maximum data rate of 40 Mbytes s Wide Ultra2 SCSI The ST...

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

Page 73: ...ce selections menu disconnect 3 12 example 3 11 exiting 3 14 format device 3 13 help 3 14 initial boot 3 13 queue tags 3 13 read write I O time out 3 13 restore default setup 3 14 scan for device at b...

Page 74: ...istics A 1 power management device 3 10 Q queue tags option 3 13 R read write I O time out option 3 13 removable media support 3 9 restore default setup 3 14 ribbon cable 2 6 S safety characteristics...

Page 75: ...ur 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...

Page 76: ...e 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 Excellent Good A...

Page 77: ...You can find a current list of our U S distributors international distributors and sales offices and design resource centers on our web site at http www lsilogic com contacts na_salesoffices html...

Page 78: ......

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