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Table 21: 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

Table 22: 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

Table 23: Internal Speaker

Pin Pin

Assignment

1 Signal
2 NC
3 Ground
4 +5V

V1.0 VIG590M Motherboard Manual

Summary of Contents for VIG590M

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 VIG590M Motherboard Manual ...

Page 2: ...oughout 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 the case increase conductivity do n...

Page 3: ...p Copyright 2004 Viglen Limited All Rights Reserved VIG590M 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 are assuming the entire risk as to ...

Page 4: ...CI AGP 31 Replacing the Clock CMOS RAM Battery 33 Chapter 3 Solving Problems 34 Resetting the System 34 Troubleshooting Procedures 35 Problems Operating Add in Boards 36 Problems Suggestions 37 Chapter 4 System BIOS 39 What is the BIOS 39 The Power On Sequence 39 BIOS Upgrades 40 Using AWDFLASH to Update the BIOS 40 Configuring the Motherboard using BIOS Setup 42 Main BIOS Menu Screen 43 Standard ...

Page 5: ...Technical Information 62 Enhanced IDE 62 Operating Systems and Hard Drives 63 Power Supply Connector 64 Other Useful Connectors 65 Other Information 70 Reliability 70 Temperature 70 Chapter 6 Glossary 71 Notes 73 Chapter 7 Suggestions 74 V1 0 VIG590M Motherboard Manual 4 ...

Page 6: ... 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 Vig590M 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 are an experienced computer user this manual should provide all the in...

Page 7: ... 4GB of DDR2 DIMM memory Chipset 945GC Up to 1333MHz Front Side Bus FSB Support for 400 533 667MHz DDR RAM Advanced System Power Management features Integrated Super I O Controller 3 flexible audio jacks HD Audio capable Audio HD High Definition Audio compatible audio subsystem LAN Realtek 10 100 1000Mb s Mbit sec Platform LAN Connect PLC device Peripheral Interfaces Support for two internal Unive...

Page 8: ...evel cache running at full CPU Speed The processor implements MMX technology and maintains full backward compatibility with the 8086 80286 Intel386 Intel486 Pentium Pentium Pro Pentium II Pentium III processors The processor s numeric coprocessor significantly increases the speed of floating point operations and complies with ANSI IEEE standard 754 1985 Microprocessor Packaging The Pentium 4 proce...

Page 9: ...e is 4GB The BIOS automatically detects memory type size and speed The motherboard supports the following memory features 240 pin DIMMs 400 533 667Mhz Un Buffered Non ECC DIMM Chipset The Intel 945GCchipset is the latest generation of desktop PCI set it includes new features such as 1x PCI Express x16 Slot 1x PCI Express x1 Slot 1333MHz Front Size Bus support ACPI 2 0 compliant V1 0 VIG590M Mother...

Page 10: ...headers one USB peripheral can be connected to each port For more than nine USB devices an external hub can be connected to either port The motherboard fully supports the universal host controller interface UHCI and uses UHCI compatible software drivers USB features include Self identifying peripherals that can be plugged in while the computer is running Automatic mapping of function to driver and...

Page 11: ...e before a floppy drive if selected in the BIOS setup utility Note If you connect an LS 120 drive to an IDE connector and configure it as the A drive and configure a standard 3 5 floppy as B drive the standard floppy must be connected to the floppy drive cable s A connector the connector at the end of the cable The BIOS setup utility can be configured to boot firstly from either the LS120 or stand...

Page 12: ...DDS PC AT and PS 2 drive mode support Keyboard and mouse controller Industry standard 8042A compatible General purpose microcontroller 8 bit internal data bus ISA Plug and Play compatible register set PCI PME interface Intelligent auto power management Shadowed write only registers for ACPI compliance Programmable wake up event interface By default the I O controller interfaces are automatically c...

Page 13: ...d and mouse connectors are located on the back panel The 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 th...

Page 14: ...I 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 IDE Auto Configuration If you install an IDE drive in the system the IDE...

Page 15: ...o Header D ATX 20 pin Q CD Input E System Fan1 R PCI Slot F IDE Connector S PCI Slot G USB header T PCI Express Slot H 4 x SATA II Connectors U PCI Express Slot I Clear CMOS jumper V System Fan Header J Front Panel headers W USB Header K USB header X 4 Pin Power Connector L USB header Y JSPD 1 Connector M CMOS Battery Z I O Shield AA Chassis Intrusion V1 0 VIG590M Motherboard Manual 14 ...

Page 16: ...USB header H 4 x SATA II Connectors Can connect up to 4 SATA devices Hard Disk Drive CD ROM I Clear CMOS jumper Allows you to clear the CMOS of the Motherboard when moving the jumper from pins 1 2 to 2 3 J Front Panel headers Controls the Hard Disk Drive LED Power Switch Reset Switch and Power LED K and L USB header Allows up to 2 USB devices to be connected to each USB header M CMOS Battery Store...

Page 17: ...upports up to 4 0 GB s transfer rate V System Fan header Is used to keep the Motherboard components and other components cool W USB header Allows up to 2 USB devices to be connected to each USB header X 12V Power Connector This 12V power connector is used to provide power to the CPU Z I O Shield Consists of multiple components to connect i e VGA PS 2 Keyboard and Mouse AA Chassis Intrusion Notifie...

Page 18: ...ll as one serial port one parallel port four USB ports one LAN Port and the audio connectors NOTE Power to the computer should be turned off before a keyboard or mouse is connected or disconnected The I O shield provides external access to the following 1 1x PS 2 Keyboard This port is for a PS 2 Keyboard 2 1x PS 2 Mouse This port is for a PS 2 Mouse 3 1x Serial port The serial port is a 16550A hig...

Page 19: ...5 4x USB ports The USB Universal Serial Bus port is for attaching USB devices such as keyboard mouse or other USB compatible devices V1 0 VIG590M Motherboard Manual 18 ...

Page 20: ... Out Green Line Out is a connector for speakers or headphones Mic Pink Mic is a connector for microphones 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 6 channel configuration Headphone 2 Speake...

Page 21: ... 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 connected to the terminal in the plug which is...

Page 22: ...earing 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 carried out is fully guaranteed Upgrad...

Page 23: ...therboard 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 nosed pliers Never remove a jumper when the c...

Page 24: ... 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 NOTE Except when clearing the rtc ram never remove the jumper on JP1 default position Removing the jumper will cause system boot failures Table 5 Front Panel Audio Jumper Settings Function Jumper Configuration Normal 5 6 and 9 10 The audio line signals are route...

Page 25: ...ight 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 changing the jumper NOTE There is no jumper setting for configuring the processor speed or bus frequency V1 0 VIG590M Motherboard Manual 24 ...

Page 26: ...re connectors on the motherboard for FAN IDE Power supply CD audio Floppy IDE Front Panel Connectors The location and or details of these connections are shown below Figure 4 Motherboard Connectors V1 0 VIG590M Motherboard Manual 25 ...

Page 27: ...case JFP1 JFP2 Hard Disk L E D Connector 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 V1 0 VIG590M Motherboard Manual 26 ...

Page 28: ...Power On Off When these pins are shorted it turns the computer on and off V1 0 VIG590M Motherboard Manual 27 ...

Page 29: ... 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 any Please note not to touch the un...

Page 30: ...he 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 clips are firmly in place 7 Replace t...

Page 31: ...Figure 6 Removing Memory Modules Figure 6 Removing Memory Modules V1 0 VIG590M Motherboard Manual 30 30 V1 0 VIG590M Motherboard Manual ...

Page 32: ...nction 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 PCI steering 10 5 Advanced AC 97 CODEC 11 6 Standard PCI Graphics Adapter VGA 12 7 PS 2 Compatible Mouse Port 13 8 Numeric Data Processor 14 9 Primary IDE Chan...

Page 33: ...PCI Express X16 Slots There is 1 PCI Express X16 slot on the Motherboard which can be used for Graphics Cards and Sound Cards Figure 8 PCIe x16 Slot V1 0 VIG590M Motherboard Manual 32 ...

Page 34: ...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 precautions in Before You Begin 2 Turn of...

Page 35: ...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 booting your PC Table 7 Resetting th...

Page 36: ...m 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 NOTE If the POST does not detect an...

Page 37: ...hat 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 how to do this If the PCI ISA legacy...

Page 38: ...rectly 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 brightness and contrast controls are ...

Page 39: ...ly 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 A serious fault may have occurred ...

Page 40: ...witched 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 are then accessed and tested and th...

Page 41: ... 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 attempting a BIOS upgrade Using AWDFLASH...

Page 42: ...ings 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 g W7103SMS V1 0 121404 14 27 50 Th...

Page 43: ... 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 the motherboard may continue to ope...

Page 44: ...he 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 or by pressing the reset button on t...

Page 45: ...s 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 menu screen when there are items t...

Page 46: ...B 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 BIOS setting password option that al...

Page 47: ...t 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 V1 0 VIG590M Motherboard Manual 46 ...

Page 48: ... 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 drive installed Configuration options Disabled 360K 5 25 in 1 2M 5 25 in 720K 3 5 in 1 44M 3 5 in 2 88M 3 5 in V1 0 VIG590M Motherboard Manual 47...

Page 49: ...n 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 V1 0 VIG590M Motherboard Manual 48 ...

Page 50: ...he BIOS data cannot be changed when attempting to update the BIOS with a Flash utility To successfully update the BIOS you ll need to disable this Flash BIOS Protection function You should enable this function at all times The only time when you need to disable it is when you want to update the BIOS After updating the BIOS you should immediately re enable it to protect it against viruses Full Scre...

Page 51: ... operating system CPU Feature Press Enter to enter the sub menu Hyper Threading Technology This field appears only when the CPU supports Hyper Threading The processor uses Hyper Threading technology to increase transaction rates and reduces end user response times The technology treats the two cores inside the proces sor as two logic al pr oc ess ors that can exec ute ins tructions simultaneously ...

Page 52: ...ows you to enable disable the TCG TPM Excute TPM Command This item allows you to enable or disable the TPM security chip Clearing the TPM This item allows you to clear the user information saved in the TPM security chip When you press Enter a warning message will appear to ask if you want to clear the user information in the security chip Use the left right arrow key to select between OK and Cance...

Page 53: ... enable disable the onboard LAN controller LAN Option ROM This item is used to decide whether to invoke the Boot ROM of the LAN controller Onboard IEEE1394 Controller This item allows you to enable disable the onboard IEEE1394 controller Audio Controller This setting is used to enable disable the onboard audio controller On Chip ATA Devices Press Enter to enter the sub menu On Chip IDE Controller ...

Page 54: ...ices AHCI Port0 3 Press Enter to enter the sub menu These submenu allow users to select the type of devices connected to the system I O Device Configuration Press Enter to enter the sub menu COM Port 1 2 Select an address and corresponding interrupt for the first serial port Parallel Port There is a built in parallel port on the on board Super I O chipset that provides Standard ECP and EPP feature...

Page 55: ...choose to enter the Standby mode in S1 POS or S3 STR fashion through the setting of this field Settings are S1 The S1 sleep mode is a low power state In this state no system context is lost CPU or chipset and hardware maintains all system context S3 The S3 sleep mode is a lower power state where the in formation of system configuration and open applications files is saved to main memory that remai...

Page 56: ...t Setup Press Enter and the following sub menu appears Resume From S3 By USB Device The item allows the activity of the USB device to wake up the system from S3 Suspend to RAM sleep state Resume From S3 By PS 2 Keyboard This setting determines whether the system will be awakened from what power saving modes when input signal of the PS 2 keyboard is detected Resume From S3 By PS 2 Mouse This settin...

Page 57: ...onfigurations menu Primary Graphic s Adapter This setting specifies which graphics card is your primary graphics adapter PCI Latency Timer This item controls how long each PCI device can hold the bus before another takes over When set to higher values every PCI device can conduct transactions for a longer time and thus improve the effective PCI bandwidth For better PCI performance you should set t...

Page 58: ...he available IRQ pool is determined by reading the ESCD NVRAM If more IRQs must be removed from the IRQ pool the end user can use these settings to reserve the IRQ by assigning an Reserved setting to it Onboard I O is configured by AMIBIOS All IRQs used by onboard I O are configured as Available If all IRQs are set to Reserved and IRQ 14 15 are allocated to the onboard PCI IDE IRQ 9 will still be ...

Page 59: ...on the current temperature to keep it with in a specific range You can select a fan target value here If the current CPU fan temperature reaches to the target value the smart fan function will be activated It provides several sections to speed up for cooling down automatically CPU Min FAN speed This item allows users to select how percentage of minimum speed limit for the CPU fan PC Health Status ...

Page 60: ...item allows you to set the CPU ratio Adjusted CPU Frequency It shows the adjusted CPU frequency FSB x Ratio Read only Advance DRAM Configuration Press Enter to enter the sub menu Configuration DRAM Timing by SPD Setting to Enabled enables DRAM CAS Latency automatically to be determined by BIOS based on the configurations on the SPD Serial Presence Detect EEPROM on the DRAM module DRAM CAS Latency ...

Page 61: ...s the time RAS takes to read from and write to a memory cell This item applies only when synchronous DRAM is installed in the system FSB Memory Ratio This item will allow you to adjust the FSB Ratio of the memory Adjusted DRAM Frequency It shows the adjusted DDR Memory frequency Read only Adjust PCI Express Frequency This field allows you to select the PCIE frequency in MHz Auto Disable DIMM PCI F...

Page 62: ...word 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 also reboots the machine Exit Without Saving Exits the BIOS setup menu without saving any setting that have been changed This also reboots the machine V1 0 VIG590M Motherboard Manual 61 ...

Page 63: ...d drives of capacity greater than 528MB This is achieved through BIOS changes Improved data transfer rates Transfer rates of 1 3MB sec were the best to be expected from older IDE drives With local bus technology this increased to about 6MB sec Now with multimedia applications requiring vast amounts of information even faster transfers rates were needed Now drives with Enhanced IDE controllers can ...

Page 64: ...abilities regarding IDE translation mode UNIX operating systems as currently implemented do not support either LBA or ECHS and must utilise the standard CHS method UNIX can support drives larger than 528MB but does so in its own way OS 2 2 1 and OS 2 Warp can support 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 mo...

Page 65: ...ting system the BIOS turns off power to the computer With soft off enabled if power to the computer is interrupted by a power 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 ...

Page 66: ...gnal Name Connector Pin Signal Name Sleep Power LED Green 2 5 V HDD LED 1 5V HDD Sleep Power LED Yellow 4 0 v HDD LED 3 OV HDD Power Switch 6 SWITCH ON RESET 5 RESET Power Switch 8 Ground RESET 7 Ground No connection 10 None No connection 9 5V V1 0 VIG590M Motherboard Manual 65 ...

Page 67: ... 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 16 Audio Line Out Connector Pin Signal Name Sleeve Ground Tip Audio Left Out Ring Audio Right Out Table 17 Audio Line In Connector Pin Signal Name Sleeve Ground Tip Audio Left In Ring Audio Right In Table 18 Audio Mic In Connector Pin Signal Name Sleeve Ground Tip Mono In Ring Electret Bias Volta...

Page 68: ... B4 no connect TDO A35 Ground B35 IRDY A5 5 V B5 5 V A36 TRDY 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 A...

Page 69: ...SEL B26 C BE3 A57 AD02 B57 Ground A27 3 3 V B27 AD23 A58 AD00 B58 AD01 A28 AD22 B28 Ground A59 5 V I O B59 5 V I O A29 AD20 B29 AD21 A60 REQ64C B60 ACK64C A30 Ground B30 AD19 A61 5 V B61 5 V A31 AD18 B31 3 3 V A62 5 V B62 5 V These signals in parentheses are optional in the PCI specification and are not currently implemented V1 0 VIG590M Motherboard Manual 68 ...

Page 70: ...ata0 4 Data1 5 Data0 6 Data1 7 Ground 8 Ground 9 NC 10 NC Table 22 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 23 Internal Speaker Pin Pin Assignment 1 Signal 2 NC 3 Ground 4 5V V1 0 VIG590M Motherboard Manual 69 ...

Page 71: ...ptember 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 213 209 hours Temperature Table 24 Temperature Temperature Specification Non operating 40 C to 70 C Operating 0 C...

Page 72: ...ntrol 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 floppy disk drives to the computer Hercu...

Page 73: ...t 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 is normally stored in ROM On certain sy...

Page 74: ...V1 0 VIG590M Motherboard Manual 73 ...

Page 75: ...u 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 V1 0 VIG590M Motherboard Manual 74 ...

Page 76: ...re 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 Viglen Ltd 7 Handley Page Way Colney Street St Albans Hertfordshire AL2 2DQ V1 0 VIG590M Motherboard Manual 75 ...

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