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Table of Contents
Related Manuals for VIA Mainboard 845G Series
Summary of Contents for VIA Mainboard 845G Series
- Page 1 845GL 845GL 845GL 845GL- - - - MUT / 845G MUT / 845G MUT / 845G MUT / 845G- - - - MWT Mainboard Mainboard Mainboard Mainboard SOCKET 478 DDR Micro-ATX Mainboard Version 2.x UM-845G/GL-MUWT-E1 Rev 2.0V Creation Date: 04 July 2002 The 845G MAINBOARD Series Page 1...
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Page 2: User's Notice
User’s Notice ... - Page 3 Table Of Contents !" #$ % &'( % &%)*+ $ % !" # " $ !&%),- ,% +.% ,% &'% # /0) '% & % $ % &'# " ( '&$ )*'+),, * - ,'. ...
- Page 4 Table Of Contents 3&'. 2 % - 0 & , / ' ' 4 % '7> " & , '7 ( & , ' ' '& , # ;('? *) 7 $$'& , @*)& , 89A5 )6& , 5)' &-% 8A'<> " 7 ( '39546 8A'<#;73 0 5(- 8A'<9+./( , 8 A' <&'#';&,0 , 8A'<& & 4 8A'<& ' #6721, & &&'/...
- Page 5 Introduction PC99 ATX Connector CN45 CN21 CN39 CN15-B CN15-D CN15-A CN17 CN16 CPU Socket PCI Slots AGP Slot CN13 CN27 CN32 CN38 DIMM Slots CN30 CN31 CN9: IDE1 PWR-LED CN10: IDE2 PW S3L HL RS The 845G MAINBOARD Series Page 5...
- Page 6 Introduction PC99 ATX Connectors (for 845G-MWT) CN18: Game/Midi CN5: LPT CN2: PS2 Mouse CN35: LAN CN7: USB2 CN19: VGA SPK OUT CN1: PS2 Keyboard CN6: USB1 CN3: COM1 LINE IN PC99 ATX Connectors (for 845GL-MUT) CN18: Game/Midi CN5: LPT CN2: PS2 Mouse CN7: USB2 CN19: VGA SPK OUT...
- Page 7 Introduction 1.2.2. Mainboard Dimensions Width 244 mm Length 230 mm 1.2.3. Environmental Limitations Operating Temperature: 10°C to 40°C (50°F to 104°F) Required Airflow: 50 linear feet per minute across the CPU Storage Temperature: -40°C to 70°C (-40°F to 158°F) Humidity: 0 to 90% non-condensing Altitude: 0 to 10 000 feet...
- Page 8 Introduction On-Chip VGA The mainboard supports 2D/3D graphics card, maximum 3D resolution sup- ported is up to 1600 x 1200 x 32@85 Hz. Onboard LAN Features (only for 845G-MWT) It comes with onboard LAN (VIA VT6105 LOM) which supports 10M/100M based Ethernet.
- Page 9 Introduction Connectors Two IDE connectors One floppy drive interface supports up to two 2.88 MB floppy drives One 20-pin ATX power supply connector One 4-pin (2x2) 12V ATX power supply connector One 4-pin (1x4) ATX Auxiliary power supply connector CPU fan, power supply fan and chassis fan connectors One IR connector (optional) One S/PDIF connector (optional) One CD audio in connector...
- Page 10 Introduction )"!&*+ ! The mainboard is capable of monitoring the following health conditions of your system: Processor temperature. It has an overheat alarm. 2. VCORE/3.3V/5V/12V/-12V voltages and failure alarm. Processor and chassis fan speeds. It has a failure alarm for these fans. 4.
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Page 11: Hardware Installation
Hardware Installation '! +,! The following is a checklist of all the expansion slots, jumpers and connectors that should be configured on your mainboard before you can run your PC. Installation Checklist Expansion Slots and Sockets ®... -
Page 12: Jumpers And Switches
Hardware Installation System Panel Buttons, Speaker and LED Connectors Power On/Off and Suspend Switch Connector. STR LED Connector (optional) HDD LED Connector Reset Button Connector PWR-LED Power LED Speaker Connector Jumpers and Switches KB/MS Power On USB 1/2 Wake-Up STR(S3) function (optional) CPU FSB Clock Select Clear CMOS Clear Password... - Page 13 Hardware Installation -.& #! " ! 2.3.1. Installation of the CPU To install your processor, please complete the following set of instructions Locate a small dot marked on the top of the CPU. This mark indicates Pin 1 of the CPU. Locate Pin 1 for the Socket on the mainboard. There is a lever on the side of the socket.
- Page 14 Hardware Installation $%"( ;%9) ( ! ,%3 5 ( 13 :8 , 13 :83 :"( " =5 - , " - "- % - ! ( ( 54 "( ( !3 ,-( "- - 5 ! 3 ! - ( - < 9 (, ( % "@, , ( ; " ! =5 / & , ! " % # " & % !( # " (, ( % " 3 ( ; 9 (, " "(,-( ; - , ,,( % ) , * - ,'+)*'. - ( ...
- Page 15 Hardware Installation Top View of an AGP Slot 21 pins 41 pins )' ! 2.4.1. Floppy Disk Connector Connector: CN8 (FDC) Type: 34 pin block The FDC connector can support two floppy drives. It is located at the front of the mainboard. To connect, use the ribbon-cable that has been provided. Make sure that the red strip is connected to PIN 1 of the connector.
- Page 16 Hardware Installation 2.4.4. CPU Fan, Power Supply Fan and Chassis Fan Connectors Connector: CN13 (FAN1)/CN17 (FAN2)/CN27 (FAN3) Type: 3 pin The cooling fans must be connected to their respective power connectors. If you have installed the hardware-monitoring feature you will be able to monitor the rotating speed of the CPU cooling fan in your Windows operating system.
- Page 17 Hardware Installation 2.4.6. WOL (Wake-On-LAN) Connector Connector: CN16 Type: 3 pin The mainboard has a WOL (Wake-On-LAN) connector. This connector must be connected to a LAN card that has Wake-On-LAN (WOL) output. It powers up the system when a wakeup packet or signal is received through the LAN card. In order to use the WOL LAN card to trigger the power on the PC system, the switching power supply must have the ability to provide a driving current of at least 720 mA and be connected to a “5V standby”...
- Page 18 Hardware Installation 2.4.9. S/PDIF Connector (optional) Connector: CN36 Type: 4 pin un-housed The motherboard comes with one internal S/PDIF connector which is a digital interface that can be used to improve the quality of the output from your system. Please make sure the Pin 1 location. 2.4.10.
- Page 19 Hardware Installation '$6 The following System Panel Buttons and LED Connectors can be found at the B@&'(#- *( front of the mainboard on the left hand side. B@&'(#- *( B@&'(#- *( PW= Power On/Off and Suspend Switch Connector *( 9 & S3L= STR LED Connector (optional)
- Page 20 Hardware Installation 2.5.2. S3L: STR LED Connector (optional) This LED indicates the status of Suspend to RAM (S3) state. 2.5.3. HL: HDD LED Connector Any read and write activity by the HDD will turn this LED on. 2.5.4. RS: Reset Button Connector If you connect this connector, you will be able to reset you computer by press- ing the reset button at the front of the chassis.
- Page 21 Hardware Installation 2.7.1. PS/2 Keyboard connector Connector: CN1 (KB) Type: 6 pin female This connector only supports a PS/2 keyboard plug. If you have a standard AT size (large DIN) keyboard plug, you need to use a mini DIN adapter. 2.7.2.
- Page 22 Hardware Installation 2.7.7. VGA Connector Connector: CN19 Type: 15 pin female Connect your VGA monitor adapter to this connector. 2.7.8. RJ-45 LAN Connector (only for 845G-MWT) Connector: CN35 The 845G-MWT comes with onboard 10/100 Mb Fast Ethernet Network. The RJ-45 connector allows you to easily connect to a Local Area Network through a network hub.
- Page 23 Hardware Installation 2.8.2. JP2: USB1/2 Wake-up (optional) Type: 3 pin Default: Pin 1 and Pin 2 short This jumper allows you to wake up your system from STR (S3) by using your USB keyboard. If you short Pin 1 and Pin 2 then the “USB1/2 Wake-up” function will be disabled.
- Page 24 Hardware Installation 2.8.5. JP5: Clear CMOS Type: 2 pin Default: Open If you have made an improper setting in the BIOS setup and your computer is not functioning, or if you have forgotten your Supervisor and/or User pass- word, you can use this jumper, JP5, to clear the CMOS and to reconfigure your system page: To clear the CMOS, please follow these instructions: Turn the system power “OFF”...
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Page 25: Getting Started
Managing The PC BIOS 1' " ""#- Once you have installed the mainboard you still need to setup the BIOS before you can run your PC. The EEPROM on the mainboard stores the AWARD BIOS CMOS Setup Utility, which allows you to configure your system. When you want to configure or make any changes to the configuration of your system BIOS you must run the BIOS CMOS Setup Utility. -
Page 26: Navigation Keys
Managing The PC BIOS Navigation Keys You will notice a legend bar at the bottom of the main menu. The keys in this legend bar show you how to navigate through the setup menus. The table be- low lists the control keys with their corresponding functions: - ... - Page 27 Managing The PC BIOS + C 1, & &&'/ & &$ % +<<"". ( 14, 1 $ - +<<. <:< ( ! !$' " FE#)6# /$9;) '>)G & ! "1 1 !$' " F' @594 ))'$G !$ , " F6 G " , (" F6 G !$ , " ) F 1 G ; F6 G /--" (-- F G @ F*)7@*)G 4 F)G ; " > = " > " > Drive A /B The mainboard can support up to two floppy disk drives.
- Page 28 Managing The PC BIOS < 2% , * - ,) - 7@ * - ,) "/*)1@*)1*)1 *)7@*) @*)'*) - &*) &* - ,) - - (- ,( &*)8 &* - ,) - - (- 8 ,( 464 , - ,( ! ( , - Halt On This field allows you to decide which errors, detected during the Power On Self Test (POST), will halt the system. Base Memory / Extended Memory / Total Memory This field displays the amount of memory detected by the system during boot up.
- Page 29 Managing The PC BIOS + C 1, & &&'/ 1, &$ % @ (3 ! F G $ - &'# ? & , F G ( ! E( ,0' 4 % F G / ; , F/--"G ) "(, , ; , F 5 G @$9# ! ; , F&94 G % ( %$ ;4 , F G 0 , -/--" F G - , $% ;#-/--" 0 F %( , ;#-6( ,0 ( F4 G - * ) 4- F/ G "- ,9 !...
- Page 30 Managing The PC BIOS Gate A20 Option Gate A20 is a signal that gives the system access to addresses higher than A19. If you select Fast the chipset will control this signal. If you select normal a pin in the keyboard controller will control the signal. Typematic Rate Setting The keyboard controller determines the rate at which the keystrokes from the keyboard are repeated.
- Page 31 Managing The PC BIOS % +#! ! + C 1, & &&'/ +'%$ % 9) ! , F;"'G $ - &) ," FG ( ! ), ' , ! " FG 9) 9)J&)J " FG 9) 9)J' , ! FG "/ C( ,"/ F)(G " ;$4& , F G @ ;$4& , F G " ) 5 F G " , F G "' F G )*')- ( D + ;. F G KK4 5& -@*) !KK 4 5& -@*) F G 4 5& -/ ;(%% D F8 ;G ( F G ; - " F)(G...
- Page 32 Managing The PC BIOS DRAM RAS# Precharge If the DRAM is not continually refreshed it’s data will be lost. DRAM is normally refreshed as a result of a single request. This field lets you select the number of CLKs allocate for the RAS to accumulate its charge before the DRAM is re- freshed.
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Page 33: Primary/Secondary, Master/Slave Pio
Managing The PC BIOS 2'( #+ ! + C 1, & &&'/ ,- '+ % 4 5& -' "'&$$ F G $ - $' " '$4 F)(G ( ! $' " '$4 F)(G $' " # ) F)(G $' " # ) F)(G 4 5& - , "'&$$ F G $ , " '$4 F)(G $ , " '$4 F)(G $ , " # ) F)(G $ , " # ) F)(G #;& F G #;> " (-- F G )&:)( F)(G $ - "/ F4 7)*'G $ ;,0 F G 4 ;94 F G '43946/( , F;#4646 IG... - Page 34 Managing The PC BIOS Primary/Secondary, Master/Slave UDMA Ultra DMA/66 implementation is possible only if your IDE hard drive supports it and the operating environment includes a DMA driver (Windows 98 OSR2 or a third-party IDE bus master driver). If your hard drive and your system software both support Ultra DMA/66, select Auto to enable BIOS support.
- Page 35 Managing The PC BIOS KB Power ON Password When you select KB Power ON Password to power ON the PC system in the previous field, you may enter your personal password into this field. When you are finished , you may use the password to power on your PC system. If you forget your password refer to section 2.8.6.
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Page 36: Acpi Function
Managing The PC BIOS Game Port Address This field allows you to select the I/O address for the onboard game port. De- fault is 201. Midi Port Address This field allows you to select the I/O address for the onboard MIDI port. De- fault is 330. -
Page 37: Power Management
Managing The PC BIOS ACPI function This item allows you to enable/disable the Advanced Configuration and Power Management (ACPI). ACPI Suspend Type This mainboard supports one suspended state: S1(POS): Power On Suspend. Power Management This category allows you to select the degree of power saving. The choices are shown in the menu on the following page. -
Page 38: Soft-Off By Pwrbtn
Managing The PC BIOS Suspend Mode When enabled, after the set time of system inactivity, all devices except the CPU will be shut off. HDD Power Down If this field is enabled, after a set time of system inactivity, the hard disk will be powered down while all the other devices remain active. -
Page 39: Reset Configuration Data
Managing The PC BIOS / 4 5 ' $( + C 1, & &&'/ 8 9 , (- % 9 & % !( F G $ - ( !" 9 (, & ;" F)(+&.G & & & & $9E9 (, F' G % ( , 9 = '&$7@*)' - F G " & % !( +&. "( = (- % "( 5 " , ( (, (, % , 4, Reset Configuration Data... - Page 40 Managing The PC BIOS *+"! + C 1, & &&'/ *+&% ( - ( F G $ - @, F @G ( !" @ F@G @ F @G B@ F ::@G B@ F8@G 5@ F5 @G @ " F : @G @ ! ; " F @G &'# - ( F M&G /)6- F :9' G /)6- /)6- The PC Health Status menu allows you to monitor the health status of your PC system.
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Page 41: Spread Spectrum
Managing The PC BIOS 6 758 ( + C 1, & &&'/ $ ;9< - &'#&,09 F8=G $ - )( ,'&$&0 F G ( !" - - ,( F G &'#&,0 F DG CPU Clock Ratio This field allows you to select the CPU clock ratio. Most CPU clock ratios are fixed inside the CPU by the manufacturers that prohibit you to make any changes. - Page 42 Managing The PC BIOS #&9 :$! + C 1, & &&'/ !! & 4/ ( " !!/ C( ,"7@ ! & !) , ;$4/ ( 4- D % ( !) , & - / ( (- ' !$ ! ' - # ' !' ! (- ?= (- !'6'7'&$& % !( = 3 ( ! !'& ( &<E( "#$%< ,$ / < ?= (- 4- ! =, - & 4#' There is CMOS memory on the mainboard that can be used to store the sys- tem settings.
- Page 43 Managing The PC BIOS ""# ! !! + C 1, & &&'/ !! & 4/ ( " !/ C( ,"7@ ! & !) , ;$4/ ( 4- D % ( !) , & - / ( (- ' !$ ! ' - # ' !' ! (- ?= (- !'6'7'&$& % !( = 3 ( ! !'& ( &<E( "#$%< ,$ / < ?= (- & ! 7 7 ' The “SUPERVISOR PASSWORD” is for you to control unauthorized access to your BIOS CMOS Setup or Booting into the your PC system.
- Page 44 Managing The PC BIOS "-! !! + C 1, & &&'/ ! & 4/ ( !/ C( ,"7@ ! & !) , ;$4/ ( 4- D % ( !) , & - / ( (- ' !$ ! ' - # ' !' ! (- ?= (- !'6'7'&$& % !( = 3 ( ! !'& ( &<E( "#$%< ,$ / < ?= (- & ! 7 7 ' The User Password can be used to check the user's authority. However, this password entry is different from the "SUPERVISOR PASSWORD".
- Page 45 Managing The PC BIOS )" ;"#5<+ " ( + C 1, & &&'/ !! & 4/ ( " !!/ C( ,"7@ ! & !) , ;$4/ ( 4- D % ( !) , & - / ( (- ' !$ ! ' - # ' !' ! (- ?= (- !'6'7'&$& % !( = 3 ( ! !'& ( &<E( "#$%< ,$ / < ?= (- & 4?= #'7) ?= #' Save & Exit Setup This option will save all the setup values to CMOS RAM and exit the SETUP utility.
- Page 46 Appendix A ! " ! " ! " Introduction (Only for 845G-MWT) ® 845G chipset and therefore only a 1.5 volt This mainboard uses the Intel AGP card can be used. There are two methods of determining whether the AGP card you are using is a 1.5 volt or a 3.3 volt card.
- Page 47 Appendix A Method 2: Measurement The second method of checking whether an AGP card is 1.5 volt or 3.3 volt is by taking a simple measurement with a Ohmmeter. Connect one pin of the Ohmmeter to Pin 2 on the Solder Side (or Side A) of the card and the other end of the Ohmmeter to any ground point on the AGP card.