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Summary of Contents for VIA Mainboard 845D-MVT
- Page 1 845D 845D- - - - MVT 845D 845D Mainboard Mainboard Mainboard Mainboard SOCKET 478 DDR Micro-ATX Mainboard Version 1.x UM-845D-MVT-E1 Rev 1.0V Creation Date: 27 November 2002 The 845D-MVT MAINBOARD Page 1...
- Page 2 - ! $ , & / # 0 &,%1 &2. &%0 +% , , 3 4 Page 2 The 845D-MVT MAINBOARD...
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Page 3: The 845D-Mvt Mainboard
' ! . !#& . &'"+ /' (,,!+ & + & . )0' (,,!& . 1231 - 42 4)56& . &4#57)"04#5& . 8+ )( & . 9" :7 " :7& .8 4('+ 0 ' " '9 '1;' 2 72%% < (, .& .9 ; & .9 = ;= :( & . 9 5()1 " ' 8 , - & . 8+ ' ' The 845D-MVT MAINBOARD Page 3... - Page 4 9 ' '& .$ 9" :('? $ 9*) 7 ##'& . $ 6+) (/' @';> ! 7 ( '1=425 @';& & 2 @' ;& ' %78"0. ( (()2 % %%( (() % 0. (& ' %! -)'& '8 %4./ )- ' %5 /+() % 9 : . */ % ,-(' %;& <:$ / 8 % )+= "*'9 %(() ' '' %%(2' '' $ % ($>.(2 :.7., 2($.9? Page 4 The 845D-MVT MAINBOARD...
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Page 5: Table Of Contents
Clear CMOS. page 21 (19) KB/MS PWR-ON page 21 USB3, USB4. page 17 (20) FAN1 page 15 (10) WOL Connector. page 16 (21) CPU Socket page 12 (11) FDD Connector. page 14 (22) DIMM1, DIMM2 page 13 The 845D-MVT MAINBOARD Page 5... - Page 6 1.2.1. The 845D-MVT Mainboard The 845D-MVT mainboard is a Pentium™ 4 DDR platform. It supports a maxi- mum memory of 2GB and comes with 4 USB (vesion 1.1) ports. Onboard it has three PCI slots, one 1x/2x/4x AGP slot (which only supports 1.5V AGP cards), and an Onboard Audio (AC’97 2 channels).
- Page 7 Plug and Play BIOS. DMI, along with the appropriately networked software, is designed for easy inventory, maintenance and the simplified troubleshooting of computer systems. WOL (Wake-On-LAN) Port One WOL connector supports Wake-On-LAN functionality. The 845D-MVT MAINBOARD Page 7...
- Page 8 USB Ports USB allows data exchange between your computer and a wide range of simultaneously accessible external Plug and Play peripherals. The 845D-MVT mainboard is equipped with four USB connectors. USB 1 and USB 2 are external connectors. They can be found on the PC 99 ATX connector. The other USB connectors are internal connectors and can be used to connect other USB devices.
- Page 9 720mA. ACPI Ready The mainboard is designed to meet the ACPI (Advanced Configuration and Power Interface) specification. ACPI has energy saving features that support OS Direct Power Management (OSPM) for round the clock PC operation. The 845D-MVT MAINBOARD Page 9...
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Page 10: Hardware Installation
$ ) $ ) $ ( $ ( Page 10 The 845D-MVT MAINBOARD... - Page 11 Serial Port 1 COM1 Serial Port 2 COM2 Parallel Port CN6/7 Universal Serial Port 1/2 USB1/2 CN18 GAME/MIDI Game/MIDI Port System Panel Buttons and Connectors Power On/Off and Suspend Switch Connector HDD LED Connector Reset Button Connector The 845D-MVT MAINBOARD Page 11...
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Page 12: Jumpers And Switches
CPU and damage your mainboard. IMPORTANT: CPU COOLING FAN Please ensure that you have an approved heat sink with cooling fan. Without a proper heat sink with cooling fan you will damage both the mainboard and the CPU. Page 12 The 845D-MVT MAINBOARD... - Page 13 IRQ’s will be assigned automatically. When you are inserting your PCI card make sure that the pins are correctly aligned. When the pins are properly aligned with the hole’s in the slot, push down gently. Top View of a 32-bit PCI Slot )' )' The 845D-MVT MAINBOARD Page 13...
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Page 14: Agp Slot
IDE devices each. If you install two hard drives, you need to configure the second drive to slave mode in the BIOS setup. Please refer to your hard drive manual for the appropriate jumper settings. PIN 1 Top View of an IDE Connector 20 PINS Page 14 The 845D-MVT MAINBOARD... -
Page 15: Fan2
Otherwise it is no necessary to use Pin 1 Pin 11 CN15-D (AUX12V). ATX12V Power Supply Connector Auxiliary Power Supply Connector +5VDC Pin 4 +12VDC Pin 3 +12VDC Pin 2 +12VDC Pin 1 Pin 1 Pin 3 The 845D-MVT MAINBOARD Page 15... -
Page 16: Wol Connector
Hear Phone OUT and MIC-IN connectors to the front of their PC. This makes things like plugging in speakers and earphones much less troublesome. Please make sure the Pin 1 location (diagram on next page). Page 16 The 845D-MVT MAINBOARD... - Page 17 The internal USB connectors allow you to add on an optional kit to ex- pand the total number of USB ports available. The 845D-MVT has two inter- nal USB connectors (CN30 and CN31). This enables you to use an extra two USB devices.
- Page 18 Any read and write activity by the HDD will turn this LED on. 2.6.3. 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 18 The 845D-MVT MAINBOARD...
- Page 19 CN 3 (COM 1) Type: 9 pin male One serial port is available for a mouse and COM 1 COM 2 other serial devices. (I/O addresses used are 3F8H/2F8H/3E8H/2E8H and IRQ3/IRQ4, selected by CMOS setup.) The 845D-MVT MAINBOARD Page 19...
- Page 20 It can either be used to connect a joystick to the computer for game participation, or it can be used to attach an external MIDI device. All these motherboards have 3D audio interfaces onboard. SPK-OUT LINE-IN MIC-IN Page 20 The 845D-MVT MAINBOARD...
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Page 21: Clear Password
2. Insert the jumper cap on Pin 2 and Pin 3 for 3 ~ 5 seconds. Pull out the jumper cap and replace it on Pin 1 and Pin 2. Turn your PC on and run the BIOS setup program. The 845D-MVT MAINBOARD Page 21... - Page 22 !# ' , " ' !' (, ?< (, !'5'7'&#& % ( < 1 ( !'& ( .;D( +; ( :#2 "#$%; .# +$; < (, / / -!, ! Page 22 The 845D-MVT MAINBOARD...
- Page 23 This mainboard supports four IDE Hard Drives. These fields allow you to set your Hard Drive parameters. Move the selection bar to the IDE Hard Drive you want to configure. Press the "ENTER" key. If you select “AUTO” the system BIOS will detect the HDD type automatically. The 845D-MVT MAINBOARD Page 23...
- Page 24 Video This field selects the type of primary video subsystem that is on your com- puter. The BIOS CMOS Setup Utility will automatically detect the correct video type (See next page for detailed options). Page 24 The 845D-MVT MAINBOARD...
- Page 25 First / Second / Third Boot Device These fields allow you to decide the boot sequence of your bootable devices such as Floppy Drive, Hard Drive, CD ROM...etc The 845D-MVT MAINBOARD Page 25...
- Page 26 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. Page 26 The 845D-MVT MAINBOARD...
- Page 27 DRAM RAS# to CAS# Delay When the DRAM is refreshed, both rows and columns are addressed sepa- rately. This setup allows you to determine the timing of the transition from Row Address Strobe (RAS) to Column Address Strobe (CAS). The 845D-MVT MAINBOARD Page 27...
- Page 28 Host cycles that hit the aperture range are forwarded to the AGP without any translation. The default is 64MB. You may increase this memory when you need to have faster access for 3D graphics applications. Page 28 The 845D-MVT MAINBOARD...
- Page 29 &' " ) EF '1=25)% '1=+ E2%%F * ') E$F ') E$F '#=D E$F On-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. The 845D-MVT MAINBOARD Page 29...
- Page 30 If this field is enabled then the optimal number of block read/writes per sector the drive can support will be deter- mined automatically. POWER ON Function The POWER ON Function allows you to select different ways to power on your PC System. Page 30 The 845D-MVT MAINBOARD...
- Page 31 This Field allows you to select the IR half or full duplex function. Use IR Pins To determine the correct settings for the TxD and RxD signals of your IR pe- ripheral component, you need to consult the components manual. The 845D-MVT MAINBOARD Page 31...
- Page 32 This field allows you to select the I/O address for the onboard MIDI port. De- fault is 330. Midi Port IRQ This field allows you to select the IRQ for the onboard MIDI port. Default is 10. Page 32 The 845D-MVT MAINBOARD...
- Page 33 Power Management (, (, M < (, (, M < ) !( . ( !1 / . " % % % <. ,% ' . % Video Off Method This field determines how a monitor is made blank. See the table on next page. The 845D-MVT MAINBOARD Page 33...
- Page 34 When Enabled, an event occurring on each device listed below will restart the global time for the standby mode. Primary IDE 0 Primary IDE 1 Secondary IDE 0 Secondary IDE 1 FDD, COM, LPT Port PCI PIRQ[A-D] Page 34 The 845D-MVT MAINBOARD...
- Page 35 MPEG Card) which may not display color properly on your screen. “Enable” the setting in this field may correct this problem. Leave it “Disabled” as the default setting shown above if you are using the normal display card. The 845D-MVT MAINBOARD Page 35...
- Page 36 This field shows you the speeds of the three cooling fans on the mainboard. Vcc Core This field and the fields below it show you the current system voltage Shutdown Temperature When the system reaches a certain maximum temperature the system will automatically shutdown. Page 36 The 845D-MVT MAINBOARD...
- Page 37 PCI slots. When there is no device present on some of the PCI connectors, the clock on the related PCI slot will be disabled to reduce the Electro-Magnetic Interference (EMI). Spread Spectrum When Spread Spectrum is enabled, the EMI radiation on this mainboard will be reduced. The 845D-MVT MAINBOARD Page 37...
- Page 38 If the CMOS data is corrupted, or if you selected some CMOS settings and find that the PC system becomes very unstable, you should try to load the opti- mized default values first and then re-configure the BIOS. Page 38 The 845D-MVT MAINBOARD...
- Page 39 Whenever you turn on the PC, it will request the user to enter the Password in order to boot up your system. Without the correct password, the PC system will stop and the operating system will not be loaded. The 845D-MVT MAINBOARD Page 39...
- Page 40 2. When "System" is selected in Security Option: When you turn on your PC, you will be requested to enter the Password. With- out the correct password, the PC system will stop and the operation system will not be loaded. Page 40 The 845D-MVT MAINBOARD...
- Page 41 CMOS RAM. If you do not want to save any of the changes, or settings you selected in the BIOS SETUP utility, move the selection bar to the “EXIT WITHOUT SAVING” option. Press the “Enter” key. Then press “Y” The 845D-MVT MAINBOARD Page 41...
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