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V1.0 VIG556M Motherboard Manual

52

OnChip AGP Control

Figure 19:

OnChip AGP Control

VGA Share Memory Size:

This shows the amount of memory shared from the main

memory for use with the VGA. In the case above the memory being used for the
VGA is 32MB; this also means that 32MB will be de-allocated from the main
memory.

Graphics Engine Clock:

This displays the speed at which the Graphics clock is

running.

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Summary of Contents for VIG556M

Page 1: ...C O M P U T E R S N E T W O R K S S O L U T I O N S VIG556M Motherboard Manual ...

Page 2: ...er system maintains compliance throughout its functional life it is essential you follow these guidelines Install the system according to Viglen s instructions If you open up your Viglen Keep internal cabling in place as supplied Ensure the lid is tightly secured afterwards Do not remove drive bay shields unless installing a CE marked peripheral in its place The clips or bumps around the lips of t...

Page 3: ...etained by the purchaser for backup Copyright 2006 Viglen Limited All Rights Reserved VIG556M Manual Version 1 0 Printed in the United Kingdom Liability No warranty or representation either expressed or implied is made with respect to this documentation its quality performance merchantability or fitness for a particular purpose As a result the documentation is licensed as is and you the licensee a...

Page 4: ...alling Removing Memory Modules 28 Expansion Slots PCI AGP 29 Replacing the Clock CMOS RAM Battery 31 Chapter 3 Solving Problems 32 Resetting the System 32 Troubleshooting Procedures 33 Problems Operating Add in Boards 34 Problems Suggestions 35 Chapter 4 System BIOS 37 What is the BIOS 37 The Power On Sequence 37 Phoenix BIOS Introduction 38 BIOS Upgrades 38 Using AWDFALSH to Update the BIOS 38 Co...

Page 5: ...Super I O Device 56 Power Management Setup 57 PM Wakeup Events 58 PnP PCI Configurations 59 IRQ Resources 60 PC Health Status 62 Frequency Voltage Control 63 Main Menu Additional Options 64 Chapter 5 Technical Information 65 Enhanced IDE 65 Operating Systems and Hard Drives 65 Power Supply Connector 67 Other Useful Connectors 67 Other Information 71 Reliability 71 Temperature 71 Chapter 6 Glossary...

Page 6: ...ch are designed to vastly improve both multimedia and communications on your PC The combination of the Intel processor MMX technology and Viglen expertise make this a formidable computer This manual contains technical information about the Viglen Vig556M motherboard and other hardware components inside your computer If you are new to computers we recommend that you read the user guide first If you...

Page 7: ...m factor Micro ATX Form Factor 243mm by 230mm Processor Single Celeron D Pentium 4 Pentium D CPU 400MHz Quad pumped bus Integrated up to 2MB second level cache CPU dependant Socket 775 connector Main memory Two 184 pin DDR DIMM sockets Support for up to 2GB of DDR DIMM memory Chipset SiS 661FX 800Hz Front Side Bus FSB AGP 8x Support for 266 333 400MHz DDR RAM Advanced System Power Management featu...

Page 8: ...or s VID pins automatically program the voltage regulator on the motherboard to the required processor voltage In addition the front side bus speed is automatically selected The motherboard currently supports processors that run internally up to 3 6GHz and have up to a 2MB second level cache running at full CPU Speed The processor implements MMX technology and maintains full backward compatibility...

Page 9: ...mory size is 2GB The BIOS automatically detects memory type size and speed The motherboard supports the following memory features 184 pin DIMMs 266 333 400Mhz Un Buffered Non ECC DIMM RDRAM Synchronous DRAM SDRAM improves memory performance through memory access that is synchronous with the memory clock This simplifies the timing design and increases memory speed because all timing is dependent on...

Page 10: ...he Realtek 8100C component provides an interface to the back panel RJ 45 connector with integrated LEDs This physical interface may alternately be provided via the CNR connector The Realtek 8100C provides the following functions Basic 10 100 Ethernet LAN Connectivity Supports RJ 45 connector with status indicator LEDs Full driver compatibility Advanced Power Management support Programmable transit...

Page 11: ...A 100 Ultra DMA 133 synchronous DMA mode transfers The BIOS supports logical block addressing LBA and extended cylinder head sector ECHS translation modes The BIOS automatically detects the IDE device transfer rate and translation mode Programmed I O operations usually require a substantial amount of processor bandwidth However in multitasking operating systems the bandwidth freed by bus mastering...

Page 12: ...oard uses the SMC FDC37C777 I O controller which features Serial ports Internal send receive 16 byte FIFO buffer Four internal 8 bit DMA options for the UART with SIR support USI Multimode bidirectional parallel port Standard mode IBM and Centronics compatible Enhanced parallel port EPP mode with BIOS and driver support High speed extended capabilities port ECP mode Floppy disk controller N82077 c...

Page 13: ...5 V lines to these connectors are protected with a PolySwitch circuit that like a self healing fuse re establishes the connection after an over current condition is removed The keyboard controller supports the hot key sequence Ctrl Alt Del for a software reset This key sequence resets the computer s software by jumping to the beginning of the BIOS code and running the Power On Self Test POST Audio...

Page 14: ...ds in the system When you turn on the system power after installing a PCI board the BIOS automatically configures interrupts DMA channels I O space and so on Since PCI add in boards use the same interrupt resources as ISA add in boards you must specify the interrupts used by ISA boards in the set up program The PCI auto configuration program complies with version 2 1 of the PCI BIOS specification ...

Page 15: ... BIOS S CMOS Battery E Audio CD in T SATA 1 and 2 F Rear Audio U Power LED and speaker header G LAN and USB V Front Panel header H USB W Clear CMOS jumper I VGA Serial and Parallel X Chassis intrusion header J PS 2 Keyboard and mouse Y South Bridge K ATX 20 pin Z USB header 1 L ATX 4 pin AA USB header 2 M North Bridge BB Floppy connector N 775 pin CPU socket CC PCI slots O DIMM socket 1 and 2 DD I...

Page 16: ...lows a front facing audio panel to be fitted G LAN and USB Allows up to four USB devices to be connected and a network H VGA Serial and Parallel Allows a VGA monitor a serial device and a parallel device to be attached I PS 2 Keyboard and mouse Allows a PS 2 Keyboard and mouse to be attached K 20 pin ATX power connector This is the main power connector for the motherboard L 4 pin ATX power connect...

Page 17: ...rect installation R Primary IDE This allows up to 2 devices such as CD DVD drives and hard drives to be added to the IDE channel The port is slotted to ensure correct installation S CMOS Battery Supplies backup power to the CMOS This keeps all the settings and information in the BIOS T SATA 0 and 1 This allows two SATA devices to be connected U Power LED and speaker header This allows a three pin ...

Page 18: ... USB 2 0 ports LPC Super I O interface AC 97 interface and PCI 2 2 interface Z USB Header 1 This allows up to two USB devices to be connected though the use of a cable AA USB Header 2 This allows an addition two USB devices to be connected though the use if a cable BB Floppy Connector Allows a floppy drive to be connected CC PCI slots Allows two PCI devices to be connected to the board DD I O chip...

Page 19: ...provides external access to PS 2 keyboard and mouse connectors as well as one serial port one parallel port four USB ports one LAN Port and the audio connectors Figure 2 Rear I O Shield NOTE Power to the computer should be turned off before a keyboard or mouse is connected or disconnected A B PS 2 Keyboard Mouse Ports The purple connector is for a PS 2 keyboard and the green connector is for a PS ...

Page 20: ...ck This Line Out lime jack connects a headphone or a speaker In 6 channel mode the function of this jack becomes Front Speaker Out J Microphone Jack This Mic pink jack connects a microphone In 6 channel mode the function of this jack becomes Rear Speaker Out NOTE The functions of the Line Out Line In and Microphone jacks change when you select the 6 channel audio configuration Table 3 Audio 2 4 or...

Page 21: ...regulatory compliance required for using and modifying electronic equipment Do not operate the system with the cover removed Always replace the cover before turning on the system As the colours of the wires in the mains lead of this computer may not correspond with the coloured markings identifying the terminals in your plug precede as follows The wire which is coloured green and yellow must be co...

Page 22: ...cal electrical shop While you are wearing the strap and it is earthed static charge will be harmlessly bled to ground 2 Do not remove the component from its anti static protective packaging until you are about to install it 3 Hold boards by the edges try not to touch components interface strips etc NOTE We recommend that you return your computer to the service department for upgrading Any work car...

Page 23: ... the CPU The only jumpers present on the motherboard are for clearing all the CMOS settings In the unlikely event of the CMOS becoming corrupted then jumper JP1 can be set to clear the contents of the CMOS and for write protecting the BIOS CAUTION Never remove jumpers using large pliers as this can damage the pins The best way to remove a jumper is to use a small pair of tweezers or fine needle no...

Page 24: ...CMOS Jumper Settings Functi on Jumper JP1 Configuration Save CMOS Default 1 2 The BIOS uses current configuration information and passwords for booting Clear 2 3 Turn off the system and unplug the power cord Move the jumper from pins 1 2 default to pins 2 3 for about 5 10 seconds Then move the jumper back to pins 1 2 ...

Page 25: ...ck to the line connector Table 5a Front panel Audio Connector Pin Signal name Pin Signal name 1 Audio Mic 2 Ground 3 Audio Mic Bias 4 VCC 5 Speaker Out Right Channel 6 Speaker Out Right Channel Return 7 X 8 Key 9 Speaker Out Left Channel 10 Speaker Out Left Channel Return CAUTION Do not move the jumper with the power on Always turn off the power and unplug the power cord from the computer before c...

Page 26: ... connections are shown below Super I O BIOS SiS 661FX SiS 964L PSU ATX 12V Power Connector 11 20 10 Floppy Drive Connector 31 33 1 2 5 PCI IDE Connector x 39 1 40 20 2 1 FAN Front Chassis Chassis Intrusion Configuration Jumper 1 9 Serial ATA Header 0 1 1 FAN Rear chassis 1 ATAPI CDROM Audio In 1 9 2 10 Front Panel Audio 1 2 10 7 Front USB Header 1 9 Front Panel COM 2 1 Figure 4 Motherboard Connect...

Page 27: ...or This goes to the Hard Disk L E D on the front panel which lights up when the IDE Hard Disk is in use Reset switch connector When these pins are shorted it will cause the computer to perform a cold reboot Power L E D This attaches to the power L E D on the front panel to display if the computer is active or not You can attach either a three pin LED or a 2 pin depending on what the case is suppli...

Page 28: ...s cover it to protect the socket pin Remove the cap from lever hinge side The pins of socket reveal Lift the load lever up and open the load plate 2 The CPU has a cover on the bottom to prevent contact damage Rotate it to make the pin 1 indicator yellow triangle in the left bottom corner The availability of it depends on the CPU packing 3 Use 2 hands to remove the cover on the bottom of the CPU if...

Page 29: ...Make sure the clips at either end of the socket are pushed away from the socket 5 Position the DIMM above the socket Align the two small notches in the bottom edge of the DIMM with the keys in the socket Insert the bottom edge of the DIMM into the socket 6 When the DIMM is seated push down on the top edge of the DIMM until the retaining clips at the ends of the socket snap into place Make sure the...

Page 30: ... the drivers and or software applications for the expansion card according to the card documentation Table 6 Standard IRQ Assignment IRQ Priority Standard Function 0 1 System Timer 1 2 Keyboard Controller 2 N A Programmable Interrupt 4 12 Communication Port COM1 5 13 IRQ Holder for PCI steering 6 14 Floppy Disk Controller 7 15 Printer Port LPT1 8 3 System CMOS Real Time Clock 9 4 IRQ Holder for PC...

Page 31: ...ard SCSI card USB card and other cards that comply with PCI specifications Figure 7 Installing a PCI card AGP Slot This motherboard has an Accelerated Graphics Port AGP slot that supports AGP 8X 3 3V 1 5V cards NOTE The notches on the card golden fingers to ensure that they fit the AGP slot on your motherboard Figure 8 Install an AGP card ...

Page 32: ...e heat or any naked flame Keep all batteries away from children CAUTION Danger of explosion if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by Viglen Discard used batteries according to manufacturer s instructions The battery is listed as board component S on the diagram on Figure 1 To replace the battery carry out the following 1 Observe the precau...

Page 33: ...so look for support information on our web site http www viglen co uk Device drivers and various useful utilities can be downloaded from our ftp site ftp ftp viglen co uk Resetting the System Before checking your system for hardware problems it is always a good idea to try resetting your computer and see if a re boot can solve the problem Most software related problems can be solved simply by re b...

Page 34: ...operating system normally loads from a diskette insert the operating system diskette into the drive 5 Turn on the system If the power indicator does not light but the system seems to be operating normally the indicator is probably defective Monitor the power on self test POST execution Each time you turn on the system the POST checks the system board memory keyboard and certain peripheral devices ...

Page 35: ...tructions Check the documentation that came with the board Are all cables installed properly The following items are suggestions for troubleshooting problems related to PCI ISA legacy non Plug and Play add in boards If the PCI ISA board uses an interrupt run Set up and set the interrupt that is being used by the PCI ISA board to Used by PCI ISA Card Please refer to the BIOS manual for details of h...

Page 36: ...re using If other software runs correctly on the system contact the vendor of the software that fails If you check all of the above with no success try clearing CMOS RAM and reconfiguring the system Make sure you have your list of system settings available to re enter because clearing CMOS RAM sets the options to their default values Characters on screen are distorted or incorrect Make sure the br...

Page 37: ...ders Check that the drive is properly configured and enabled in Setup Check the drive manufacturer s manual for proper configuration for remote hard disk drive activity Power on light does not go on If the system is operating normally check the connector between the system board and the front panel If OK the light may be defective Prompt doesn t appear after system boots It s probably switched off...

Page 38: ...quence When the computer is first switched on certain instructions in the BIOS are executed to test various parts of the machine This is known as the POST Power On Self Test routine When you switch the computer on or when you press the Reset button or press Ctrl Alt Delete keys which has the same effect you can see on the monitor that it counts through the memory testing it The floppy disk drives ...

Page 39: ...tes the flash BIOS from a file on a disk Updates the language section of the BIOS Makes sure that the upgrade BIOS matches the target system to prevent accidentally installing a BIOS for a different type of system BIOS upgrades and the AWFL855A EXE utility may be available online at www viglen co uk or by request NOTE Please review the instructions distributed with the upgrade utility before attem...

Page 40: ...n the setup load the optimized settings by selecting Load Optimized Defaults 6 Exit the setup by selecting Save Exit setup 7 Now boot in to windows When you reboot the system it will hold on the Pre BIOS screen At this stage there will be an error message shown and details of the current BIOS Check the BIOS version The BIOS version is made up of the BIOS file name version build and time of flash E...

Page 41: ... and modifying electronic equipment Disconnect the computer from its power source and from any telecommunications links networks or modems before performing any of the procedures described in this chapter Failure to disconnect power telecommunications links networks or modems before you open the computer or perform any procedures can result in personal injury or equipment damage Some circuitry on ...

Page 42: ... the CMOS RAM of the firmware hub The firmware hub on the motherboard stores the Setup utility When you start up the computer the system provides you with the opportunity to run this program Press Delete during the Power On Self Test POST to enter the Setup utility Otherwise POST continues with its test routines If you wish to enter Setup after POST restart the system by pressing Ctrl Alt Delete o...

Page 43: ...em You cannot select an item that is not user configurable A configurable field is enclosed in brackets and is highlighted when selected To change the value of a field select it then press Enter to display a list of options Pop Up Window Select a menu item then press Enter to display a pop up window with the configuration options for that item Scroll Bar A scroll bar appears on the right side of a...

Page 44: ...pherals For changing PCI AGP and USB settings Power Management Setup For accessing advanced power management APM configuration PnP PCI Configurations For changing IRQ settings PC Health Status Displays information regarding CPU temp and fan speed Frequency Voltage Control For changing the CPU frequency and displaying current frequency information Load Optimized Defaults loads BOIS default values B...

Page 45: ...nges made that have been made whilst using the BIOS CMOS setup utility and exit out of the BIOS CMOS setup utility Exit Without Saving this option will not save any changes made that have been made whilst using the BIOS CMOS setup utility and exit out of the BIOS CMOS setup utility ...

Page 46: ...alue F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defualts Item Help Figure 12 Standard CMOS features System Date This item allows you to set the system date mm dd yyyy System Time This item allows you to set the system time hh mm ss IDE Primary Secondary Master Slave This shows what devices are running of which IDE channel Floppy Drive A 1 44M 3 5 in Sets the type of floppy d...

Page 47: ... the mode of the hard drive Leave on auto if mode is not known DMA Mode Allows the hard drive direct access to the memory Hard Drive S M A R T If the hard drive used supports S M A R T Self Monitoring Analysis and Reporting Technology then this allows all the functions to be used Size This indicates the capacity of the hard drive ...

Page 48: ... Advanced BIOS features Sub Menu Quick Booting This speeds up the boot time of the system by not running a full memory test If disabled the boot time varies according to the amount of memory installed Boot to OS 2 This tells the BIOS whether OS 2 is being used and adjusts settings accordingly Hyper Threading Function This allows full functionality of hyper threading CPU s to be used MPS Table vers...

Page 49: ...Sub menu 1st Boot Device The 1st device the system tries to boot from 2nd Boot Device The 2nd device the system tries to boot from 3rd Boot Device The 3rd device the system tries to boot from Boot from other Device Allows another device to be booted from such as a USB device ...

Page 50: ...ual 49 Advanced Chipset Features Figure 16 Advanced Chipset Features DRAM Clock Timing Control Allow control over the timing of the DRAM AGP P2P Bridge Control Allows control over the AGP Bridge OnChip AGP Control Controls the AGP ...

Page 51: ...ime tRP 3T x RAS to CAS Delay tRCD 3T MA 1T 2T Select Auto Menu Level Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defualts Item Help Figure 17 DRAM Timing Control Memory Timing Allows the used to select the CAS latency time in HCLKs of 2 2 5 or 3 The value is set the factory depending on the DRAM installed DO NOT change the values in this field u...

Page 52: ...nu Level Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defualts Item Help Figure 18 AGP P2P Bridge Control AGP Aperture Size This controls how much system RAM is allocated to the AGP for video purposes AGP Fast Write Support Enables and disables AGP fast write support AGP Data Rate This allows the user to control the AGP card data transfer rate ...

Page 53: ...y Size This shows the amount of memory shared from the main memory for use with the VGA In the case above the memory being used for the VGA is 32MB this also means that 32MB will be de allocated from the main memory Graphics Engine Clock This displays the speed at which the Graphics clock is running ...

Page 54: ...V1 0 VIG556M Motherboard Manual 53 Integrated Peripherals Figure 20 Integrated Peripherals Integrated Peripherals Integrated peripherals sub menus ...

Page 55: ...oller This enables the USB controller Leave as the default Enable if you wish to add a USB device to your computer USB 2 0 Supports Enables USB 2 0 support on your computer USB Keyboard Support This allows a USB keyboard to be used in a DOS environment by selecting BIOS or in the OS by selecting OS USB Mouse Support This allows a USB mouse to be used in a DOS environment by selecting BIOS or in th...

Page 56: ...PCI IDE Both IDE DMA transfer Access Enabled Menu Level Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defualts Item Help Figure 22 OnChip IDE Device Internal PCI IDE Used to enable or disable the internal PCI IDE channel IDE DMA transfer Access Enables DMA access for the IDE device ...

Page 57: ...ables the Floppy Disk Controller Onboard Serial Port Enables the serial ports on the motherboard UART Mode Select Sets the mode for the serial port Onboard Parallel Port Sets the IRQ for the Parallel port Parallel Port Mode Sets the mode for the Parallel port ECP Mode Use DMA Sets the DMA used by the Parallel port ...

Page 58: ...de of the system Suspend Time Out Minute Time before the system goings into suspend Hot Key Function As This allows a hot key to be set to send the system into suspend Power button function This dictates how the power button operates Restore on AC power lost This dictates how the system reacts to total power loss Wake up Event Setup Configures the events that may wake the system ...

Page 59: ...ues F7 Optimized Defualts Item Help Figure 25 Onboard PCI Device Resume From S3 By USB Device Allows a USB device to wake the system Resume By PS 2 Keyboard Allows a PS 2 keyboard to wake the system by either a hot key combination or any key that is pressed The default is Any Key Resume By PS 2 Mouse Allows a PS 2 mouse to wake the system by either just movement or movement and a click The default...

Page 60: ... 64 IRQ Resource Arrange Press Enter Menu Level Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defualts Item Help Figure 26 Power Management Setup Primary Graphic s Adaptor Sets which type of graphics adaptor is being used PCI Latency Timer Sets the Latency timer for the PCI bus IRQ Resource Arrange Sets the IRQ s ...

Page 61: ... Menu Level Legacy ISA for devices compliant with the original PC AT bus specification PCI ISA PnP for devices compliant with the Plug and Play standard whether designed for PCI or ISA bus architecture Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F7 Optimized Defualts Item Help Figure 27 IRQ Resources IRQ Resources Allows system IRQ to be reserved be made avai...

Page 62: ...28 PC health Status CPU Shutdown Temperature This item allows a temperature to be set at which the system will shut down automatically to prevent over heating Chassis Intrusion Sets whether chassis intrusion switch is attached Smart CPU Fan Sets the thermal controlled fan CPU Tolerance This sets the thermal tolerance on the CPU PC Health Status Monitors all the various speeds temperatures and volt...

Page 63: ...1 0 VIG556M Motherboard Manual 62 PC Health Status Figure 29 PC Health Status PC Health Status displays information monitored of the CPU temperature system temperature system fan speeds and PSU voltages ...

Page 64: ...eneral Help F5 Previous Values F7 Optimized Defualts Item Help Figure 30 Frequency Voltage Control Current CPU Clock This shows the current clock speed of the CPU Adjust DDR Memory Frequency Allows the speed of the DDR memory to be changed Adjust CPU FSB Frequency Allows the speed of the CPU front side bus to be changed Adjust CPU Ratio Allows the CPU clock ratio to be changed if it isn t locked M...

Page 65: ...hout Saving Esc Quit Select Item F10 Save Exit Setup Time Date Hard Disk Type Figure 31 Main Menu Load Optimized Defaults Loads the BIOS defaults that are set by the factory for optimal performance BIOS Settings Password Allows a password to be set to restrict access to the BIOS configuration Save Exit Setup Allows the settings that have been changed to be saved and exits the BIOS setup menu This ...

Page 66: ...dia applications requiring vast amounts of information even faster transfers rates were needed Now drives with Enhanced IDE controllers can deliver up to 13MB sec which is in the region of SCSI 2 performance Dual IDE channels have now been added which allows up to four IDE drives to be supported by the system Each channel supporting two IDE devices Non disk IDE peripherals have been developed IDE ...

Page 67: ...upport LBA ECHS or standard CHS methods Note that LBA support may require a switch setting on an OS 2 driver in order to operate in that mode OS 2 2 0 Novel NetWare can support either ECHS or standard CHS methods In order to use LBA with NetWare a driver that supports current parameters must be used OS 2 2 0 does not support LBA DOS Windows can use LBA ECHS or standard CHS methods The 32 bit Disk ...

Page 68: ... outage or a disconnected power cord when power resumes the computer returns to the power state it was in before power was interrupted on or off Table 10 Power Supply Connector Pin Signal Name 1 3 3 V 2 3 3 V 3 Ground 4 5 V 5 Ground 6 5 V 7 Ground 8 PWRGD Power Good 9 5 VSB Standby 10 12 V 11 3 3 V 12 12 V 13 Ground 14 PS ON power supply remote on off control 15 Ground 16 Ground 17 Ground 18 5 V 1...

Page 69: ...USBP1 4 Ground Table 14 Serial Port Connectors Pin Signal Name 1 DCD 2 Serial In 3 Serial Out 4 DTR 5 Ground 6 DSR 7 RTS 8 CTS 9 RI Table 15 Audio Line Out Connector Pin Signal Name Sleeve Ground Tip Audio Left Out Ring Audio Right Out Table 16 Audio Line In Connector Pin Signal Name Sleeve Ground Tip Audio Left In Ring Audio Right In Table 17 Audio Mic In Connector Pin Signal Name Sleeve Ground T...

Page 70: ... B36 3 3 V A6 INTA B6 5 V A37 Ground B37 DEVSEL A7 INTC B7 INTB A38 STOP B38 Ground A8 5 V B8 INTD A39 3 3 V B39 LOCK A9 Reserved B9 no connect PRSNT1 A40 5 V SDONE B40 PERR A10 5 V I O B10 Reserved A41 5 V SBO B41 3 3 V A11 Reserved B11 no connect PRSNT2 A42 Ground B42 SERR A12 Ground B12 Ground A43 PAR B43 3 3 V A13 Ground B13 Ground A44 AD15 B44 C BE1 A14 3 3 V aux B14 Reserved A45 3 3 V B45 AD...

Page 71: ... V These signals in parentheses are optional in the PCI specification and are not currently implemented Table 20 Front Panel USB Pin Pin Assignment Pin Pin Assignment 1 VCC 2 VCC 3 Data0 4 Data1 5 Data0 6 Data1 7 Ground 8 Ground 9 NC 10 NC Table 21 COM2 Pin Pin Assignment Pin Pin Assignment 1 DCD 2 RXD 3 TXD 4 DTR 5 Ground 6 DSR 7 RTS 8 CTS 9 RI 10 NC Table 22 Internal Speaker Pin Pin Assignment 1...

Page 72: ... Procedure TR NWT 000332 Issue 4 September 1991 The MTBF prediction is for Redesigning the motherboard for alternate components if failure rates exceed reliability expectations Estimating repair rates and spare parts requirements MTBF data is calculated from predicted data 55 C The MTBF prediction for the motherboard is 286 877 hours Temperature Table 23 Temperature Temperature Specification Non o...

Page 73: ... used by application software to control some special features Each graphics board and printer requires its own driver D Type A common type of connector used for connecting printers serial ports game port and many other types of interface DRAM Dynamic Ram used for main system memory providing a moderately fast but cheap storage solution FDC Floppy Disk Controller the interface for connecting flopp...

Page 74: ...vented It is a high speed data bus that carries information to and from components known as Local Bus RAM Random Access Memory the memory used by the computer for running programs and storing data ROM Read Only Memory a memory chip which doesn t lose its data when the system is switched off It is used to store the System BIOS and VGA BIOS instructions It is slower than RAM Shadow Memory The BIOS i...

Page 75: ...V1 0 VIG556M Motherboard Manual 74 Notes ...

Page 76: ...n has listed some questions that you may like to answer and return to Viglen This will help Viglen help to keep and improve the standard of their manuals 1 Is the information provided in this and other manuals clear enough 2 What could be added to the manual to improve it 3 Does the manual go into enough detail 4 Would you like an on line version of this manual ...

Page 77: ...rvice Departments 6 Are there any technological improvements that could be made to the system 7 Other points you would like to mention Please return this slip to Product Development Dept Vigen Head Quarters 7 Handley Page Way Old Parkbury Lane Colney Street St Albans Hertfordshire AL2 2DQ ...

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