VIA Mainboard 845G Series Manual Download Page 1

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The 845G MAINBOARD Series

Page 1

845GL

845GL-

-MUT / 845G

MUT / 845G

MUT / 845G-

-MWT

MWT

Mainboard

SOCKET 478 DDR Micro-ATX

Mainboard

Version 2.x
UM-845G/GL-MUWT-E1
Rev 2.0V
Creation Date: 04 July 2002

Summary of Contents for 845G Series

Page 1: ...Page 1 845GL 845GL 845GL 845GL MUT 845G MUT 845G MUT 845G MUT 845G MWT MWT MWT MWT Mainboard Mainboard Mainboard Mainboard SOCKET 478 DDR Micro ATX Mainboard Version 2 x UM 845G GL MUWT E1 Rev 2 0V C...

Page 2: ...The 845G MAINBOARD Series Page 2 0 1 2 0 3 4 User s Notice...

Page 3: ...The 845G MAINBOARD Series Page 3 0 0 1 2 34 3 0 54 5 6 5 67 25 6 8 9 7 8 8 7 7 8 1 2 3 4 7 4 9 9 9 Table Of Contents...

Page 4: ...The 845G MAINBOARD Series Page 4 3 2 0 4 7 7 7 8 9A5 6 5 8 A 7 39546 8 A 7 3 0 5 8 A 9 8 A 0 8 A 4 8 A 6 72 1 1 8 3 4 8 9 9 2 9 6 8 Table Of Contents...

Page 5: ...ntroduction CPU Socket DIMM Slots PCI Slots AGP Slot CN9 IDE1 CN10 IDE2 PC99 ATX Connector CN15 A CN15 D CN15 B JP2 CN39 CN45 CN21 CN36 CN12 CN41 CN16 JP6 CN8 CN13 CN27 JP5 PWR LED SPK PW S3L HL RS CN...

Page 6: ...also has a WOL Wake On Lan connector that enables it to be woken up from a soft off power state when it receives a signal from the LAN The differences between the two models in this series are listed...

Page 7: ...M sockets These sockets support 2 5V power level single sided or double sided PC1600 DDR200 or PC2100 DDR266 DDR DIMM modules The maximum memory supported by the mainboard is 2 GB Expansion Slots The...

Page 8: ...n Desktop Management Interface DMI The mainboard comes with DMI 2 0 built into the BIOS The DMI utility in the BIOS will automatically record different information about your system configuration and...

Page 9: ...99 color coded connectors Two USB ports One RJ 45 LAN connector only for 845G MWT One external DB 9 serial port connector COM1 UART One VGA connector One SPP ECP EPP DB 25 parallel port One mini DIN 6...

Page 10: ...monitoring the following health conditions of your system 1 Processor temperature It has an overheat alarm 2 VCORE 3 3V 5V 12V 12V voltages and failure alarm 3 Processor and chassis fan speeds It has...

Page 11: ...N15 B CN15 D CN16 CN17 CN21 CN27 CN30 31 CN32 38 CN36 CN39 CN41 CN45 Floppy Disk Drive Primary IDE Secondary IDE IR optional CPU Fan ATX Power Supply ATX 12V Power Supply Auxiliary ATX 12V Power Suppl...

Page 12: ...Clear Password Before you start installing your mainboard we strongly recommend that you use a grounded anti static mat We further recommend that you attach an anti static wristband which is grounded...

Page 13: ...n 1 of the CPU 2 Locate Pin 1 for the Socket on the mainboard 3 There is a lever on the side of the socket First push this lever side ways and then lift it to a 90 degree angle 4 Insert the CPU into t...

Page 14: ...s in the slot push down gently Hardware Installation Top View of a 32 bit PCI Slot 9 3 5 1 3 8 1 3 8 3 5 5 4 3 5 3 9 5 3 9 2 3 4 AGP Slot only for 845G MWT AGP Accelerated Graphics Port is a dedicate...

Page 15: ...rimary and secondary Each IDE connector can support two IDE drives These mainboards can therefore sup port up to four IDE devices each If you install two hard drives you need to configure the second d...

Page 16: ...Otherwise it is no necessary to use CN15 D AUX12V 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 the...

Page 17: ...X IN Type 4 pin un housed This mainboard has one CD IN connector AUX IN connector The CD IN con nector is used to connect the CD ROM audio out and allows the system to re ceive audio input from the CD...

Page 18: ...ers and earphones much less troublesome Please make sure the Pin 1 location 2 4 11 USB3 4 and USB5 6 Connector CN30 USB 3 CN31 USB 4 CN32 USB5 CN38 USB6 Type 5 pin You already have two USB2 0 ports av...

Page 19: ...en release it The system will be turned into Suspend mode turned into the GREEN mode When the system is in the Suspend mode Press the Power on button less than 4 seconds the system will return to Full...

Page 20: ...connector you will be able to reset you computer by press ing the reset button at the front of the chassis Hardware Installation 3 0 3 2 3 1 SPEAKER 5V DC 5V DC Speaker Signal Ground Speaker Signal Gr...

Page 21: ...is used by printers which support the SPP EPP and ECP modes IRQ7 or IRQ5 can be selected The ECP mode will use either DMA 3 or DMA 1 which can be selected by the BIOS setup program 2 7 5 Universal Se...

Page 22: ...our 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 e...

Page 23: ...d very little power is used by the system It is almost as if the system has been turned off completely When a user reactivates the system it will rapidly wake up to the previous state and the long boo...

Page 24: ...mputer 2 Insert the jumper cap on Pin 1 and Pin 2 for 3 5 seconds 3 Pull out the jumper cap and remain Pin 1 and Pin 2 open 4 Turn your PC on and run the BIOS setup program 2 8 6 JP6 Clear Password Ty...

Page 25: ...the BIOS CMOS Setup Utility As soon as you turn on your system press the Delete button to activate the BIOS CMOS Setup Utility If your computer finishes the POST Power On Self Test the BIOS CMOS Setu...

Page 26: ...0 Press the right or left arrow key to move to the desired field Press the PgUp or PgDn key to increment the setting or type the desired value into the field IDE Primary Secondary Master Slave This ma...

Page 27: ...f you have installed a 3 5 inch high capacity floppy disk drive you need to en able this option If you have not installed one of these drives use the default setting Video This field selects the type...

Page 28: ...ry Total Memory This field displays the amount of memory detected by the system during boot up This is a display only field You cannot make any changes to this field Base Memory Indicates the memory i...

Page 29: ...s seeks floppy drives to determine whether they have 40 or 80 tracks Only 360 KB floppy drives have 40 tracks drives with 720 KB 1 2 MB and 1 44 MB capacity all have 80 tracks Very few modern PCs have...

Page 30: ...en you hold down a key Typematic Delay This is the delay time Msec before the repetition of characters starts Security Option This field allows you to select the Setup or System security option It wor...

Page 31: ...ctory setting unless you install new memory that has a different performance rating than the original DRAMs CAS Latency Time The time delay in clock cycles CLKS that passes before the SDRAM starts to...

Page 32: ...Video BIOS is cached at C0000h C7FFFh Both System and Video BIOS are cached via the L2 cache If these options are enabled access to the system BIOS may speed up BUT if any other program tries to writ...

Page 33: ...Chip Primary PCI IDE On Chip Secondary PCI IDE These two options option 1 and option 6 allows you to enable or disable the onboard IDE Interface Primary Secondary Master Slave PIO The four IDE PIO Pro...

Page 34: ...m you need use the default setting Auto If you install an add on sound card you must disable this field Init Display First When both AGP and PCI VGA card are installed on a mainboard this field can be...

Page 35: ...this field Onboard Serial Port 1 Port 2 These two selection fields allow you to select the I O address and correspond ing interrupts for the first and second serial ports UART Mode Select Your system...

Page 36: ...s 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: ...ices are shown in the menu on the following page Video Off Method This field determines how a monitor is made blank See the following table Power Management L L 3 1 7 I6 B 0 5 D D 0 0 0 5 5 Video Off...

Page 38: ...forces the system to enter the Soft Off state when the system has hung Wake On LAN An input signal from the LAN will wake up the system from a soft off state Resume By Alarm This field allows you to w...

Page 39: ...ity to automatically configure all of the boot and Plug and Play compatible devices However this capability means absolutely nothing unless you are using a Plug and Play operating system such as Windo...

Page 40: ...M G F 9 G Shutdown Temperature When the system reaches a certain maximum temperature the system will automatically shutdown Vcore This field and the fields below it show you the current system voltag...

Page 41: ...e setting in this field will make no change to the CPU clock ratio since it locks and is automatically determined Auto Detect PCI Clk When Enabled is selected the mainboard will detect the presence of...

Page 42: ...ur engineer recommends the Opti mized Defaults If this option is selected it will give a series of parameters that will ensure the reliability and performance of your PC If you lose your CMOS data or...

Page 43: ...on in section 3 4 When Setup is selected in the Security Option If you want to change any BIOS setting you will have to key in the Supervisor Password so that you can start the BIOS CMOS Setup Utility...

Page 44: ...an also select SAVE EXIT SETUP and EXIT WITHOUT SAVING from the main menu If you use the Supervisor Password to log into the PC system you will have the complete rights to all the BIOS settings 2 When...

Page 45: ...nter key again The values you have en tered will be saved and all the information stored in the CMOS memory Exit Without Saving This option will exits the setup utility without saving any of the value...

Page 46: ...x A Introduction Only for 845G MWT This mainboard uses the Intel 845G chipset and therefore only a 1 5 volt AGP card can be used There are two methods of determining whether the AGP card you are using...

Page 47: ...or Side A of the card and the other end of the Ohmmeter to any ground point on the AGP card If no measure ment is seen then it implies there is no connection and the it is a 3 3 volt card If there is...

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