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Declaration of Conformity

According to 47 CFR, Parts 2 and 15 of the FCC Rules

The following designated product:

EQUIPMENT: MAINBOARD

MODEL NO.: 6VIA4

is a Class B digital device that complies with 47 CFR Parts 2 and 15 of the FCC Rules.

Operation is subject to the following two conditions:
1. This device may not cause harmful interference.

2. This device must accept any interference received, including interference

that may cause undesired operation.

This declaration is given to the manufacturer:

CHAINTECH COMPUTER U.S., INC.

509 Valley Way, Milpitas, CA 95035, U.S.A.

Tel: 1-408-935-6988

Fax: 1-408-935-6989

Chaintech President: Simon Ho

Signature:

Summary of Contents for 6VIA4

Page 1: ... the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation This declaration is given to the manufacturer CHAINTECH COMPUTER U S INC 509 Valley Way Milpitas CA 95035 U S A Tel 1 408 935 6988 Fax 1 408 935 6989 Chaintech President Sim...

Page 2: ... or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for audio noise emissions from digital apparatuses set out in the Radio Interference Regulations of the Canadian Department of Communications ...

Page 3: ...Main Board User s Manual ...

Page 4: ...tegrated Peripherals 29 3 5 Power Management Setup 31 3 6 PnP PCI Configuration 34 3 7 PC Health Status 35 3 8 Frequency Voltage Control 36 3 9 Load Fail Safe Defaults 37 3 10 Load Optimized Defaults 38 3 11 Supervisor Password User Password Setting 39 3 12 Save and Exit Setup 40 3 13 Exit Without Saving 40 Chapter 4 Brief Software Driver Guide 41 Feature Explanations Feature Explanations Feature ...

Page 5: ...iant Optional PCI Riser Connector One PCI riser connector for low profile PC designs 2Mb Boot Block Flash ROM Award System BIOS supports PnP APM DMI ACPI Multi device booting features i e floppy LS120 CD ROM HDD IDE SCSI ZIP ATAPI etc BIOS Wonder technology including ChipAway Virus Flash BIOS Write Protect EmbeddedFlashUtility Trend ChipAway Virus is a rule based anti virus technology and does not...

Page 6: ...dedPCIAudioSubsystem Optional Built in Sample Rate Converter to ensure all internal operation at 48KHz Full duplex operation for simultaneous recording and playback Built in FM emulation music synthesizer AC 97 CODEC provides 90dB SNR CD quality audio using wavetable data on the system memory EmbeddedSystemMonitorHardware 5external voltage inputs 2 temperature sensor with thermistor for CPU and Sy...

Page 7: ...nagementFeatures Power on events WOL Wake on LAN network card Modem ring RTC Alarm Software power off control for Win95 Over ride power button Power failure recovery Blinking Power LED in suspend Hardware Reset Protect Switching Power Supply Requirement 3 3V at 15Amps is necessary too guarantee full loading operation because some AGP cards and memory modules have high current consumption Table 1 1...

Page 8: ...ne 34 pin floppy disk drive ribbon cable Figure 1 2 Optional USB adaptor Figure 1 3 One User s Manual One CD ROM that includes Acrobat Reader Award Flash Utility Award DMI Utility for DOS VIA audio driver for DOS Win95 98 NT VIA Service Pack for Win9x WinNT including Bus Master IDE drivers AGP VxD and etc Optional Value Pack 2000 software group including Shepherd2000 Trend PC cillin Norton AntiVir...

Page 9: ...oard Layout 1 3 Mainboard Layout 1 3 Mainboard Layout 1 3 Mainboard Layout PS 2 Mouse Printer Port USB 0 1 PS 2 Keyboard COM1 COM2 Line out Line in Game Port MIC CN6 CN7 CN8 CN10 CN11 CN9 CN15 JP2 JP3 CN16 JP7 JP8 JP9 JP10 JP11 JP12 CN12 CN13 JP4 ...

Page 10: ... in out Connector 14 CN8 WOL Wake on LAN Connector 14 CN9 Optional CD ROM Audio in Connector 15 CN10 Infrared Connector 15 CN11 USB Universal Serial Bus ports 16 CN12 CASE Cooling Fan Connector 15 CN13 Over ride Power Button Connector 11 Keyboard Lock Power Indicator LED Connector 11 Green Switch Green LED Connector 12 System Reset Switch Connector 12 Speaker Connector 12 IDE Activity LED Connecto...

Page 11: ...to Jumpers Jumpers are used to select between various operating modes A jumper consists of a row of gold colored pins that protrude from the surface of the mainboard It is important not to confuse jumpers with connectors or headers Puttingjumpercapsonanythingthatisnotajumpermayresultindamaging your mainboard Please refer to Section 1 3 Mainboard Layout for the location of jumpers on your mainboard...

Page 12: ...70 that contains the end of the lever Allow the the weight of the CPU to push itself into place Do not apply extra pressure as doing so may result in damaging your CPU Snap the lever back into place Installing a heat sink with cooling fan is necessary for proper heat dissipation from your CPU Failing to install these items may result in overheating and possible burn out of your CPU 2 3 CPU Jumper ...

Page 13: ... system failure etc Many processors are frequency locked processors and are not able to perform overclocking Regardless of whether the processor is a frequency locked overclocking may cause some processors to hang when turning on the system When the processor hangs the screen remains blank and the system does not boot To solve this problem do the following 1 Turn off the computer and then press th...

Page 14: ...12V optional 3 3V and Soft power signals The Soft power signal a 5V trickle supply is continuously supplied when AC power is available When the system is in the Soft Off mode this trickle supply maintains the system in it s minimum power state Software Power Off Control This mainboard can be powered down using theWindows 95 Software Power Off function To power down your computer click the START bu...

Page 15: ...an 4 seconds will switch the systemcompletelyoff SeeOver ridePowerButton Operationdiagram B Keyboard Lock Power Indicator LED Connector Plugging this connector into the lock on the front panel of the system case allows the lock to enable or disable the keyboard This function provides limited security against casual intruders The power indicator LED shows the system s power status It is important t...

Page 16: ...urning the power off E SpeakerConnector F IDE Activity LED Connector The IDE activity LED lights up whenever the system reads writes to the IDE devices G Turbo LED Connector This mainboard does not have a Turbo De turbo speed modes Even though this function does not exist the turbo LED will light when the LED is connected and turbo button pressed Poly fuse Over Current Protection The poly fuse pro...

Page 17: ...n 3 Connect the system s power and then start the system 4 Enter BIOS s CMOS Setup Utility and choose Load Setup Defaults Type Y and press enter 5 Set the system configuration in the Standard CMOS Setup menu CPU Bus Frequency JP7 JP8 This jumper allows the system bus frequency to be determinedeitherby CPUortheuser IfsetbothJP7 JP8 pins to 1 2 the CPU determines the system bus frequency speed Set b...

Page 18: ...n reducing administrative and ownership costs Magic Packet technology is designed to give WOL Wake on LAN capability to the LAN controller When a PC capable of receiving wake up command goes to sleep theMagicPacketmodeintheLANcontroller is enabled When the LAN controller receives a Magic Packet frame the LAN controller will wake up the PC This header is used to connect an add inNIC NetworkInterfac...

Page 19: ...e section 3 4 CASE CPU Cooling Fan Connectors CN12 CN16 These added connectors allow the fan to draw their power from the mainboard instead of the disk drive connector The board s management extension hardware is able to detect the CPU and system fan speed in rpm revolutions per minute These connectors supports3 pincooling fanswithminimumof3500 RPM The wiring and plug may vary depending on the man...

Page 20: ...ller and includes a root hub with two USB ports meets USB Rev 1 0 spec and a connector for optional USB Adaptor USB2 3 Four USB peripherals or hub devices are able to be connected PS 2 Mouse and Keyboard Ports If a PS 2 mouse is used BIOS will automatically detect and assign IRQ12 to the PS 2 mouse CPU Clock Ratio Jumper JP9 JP10 JP11 JP12 Set the clock ratio according to your processor s specific...

Page 21: ...Synchronous DRAM Parity Either parity or non parity The compatibility of 512MB DIMM is still under testing and cannot be guaranteed This mainboard supports 3 3v unbuffered 4 clock SDRAM DIMM only Buffered 5V or 2 clock SDRAM DIMMs should not be used Due to loading anomalies using DIMM with an n x 4 DRAM base on this mainboard is not recommended For example a DIMM that uses sixteen 16Mb x 4 devices...

Page 22: ...Chapter 2 18 Memo ...

Page 23: ...ystem press the Delete key to enter the Award BIOS setup program The primary screen as shown in Figure 3 1 is a list of the menus and functions available in the setup program Select the desired item and press enter to make changes Operating commands are located at the bottom of this and all other BIOS screens When a field is highlighted on line help information is displayed on the left bottom edge...

Page 24: ...anagement saving files etc are based on this timer Hard Disk Setup Primary Secondary Master Slave This category identifies up to four IDE hard disk drives that have been installed in the computer This section does not show information on other IDE devices such as CD ROM drives or other hard drive types such as SCSI drives CMOS Setup Utility Copyright C 1984 2000 Award Software Standard CMOS Featur...

Page 25: ...s have the same number of sectors per track at the innermost tracks as at the outermost tracks Thus the data density at the innermost tracks is higher and the bits are lying closer together Even though the physical size of a sector gets progressively smaller as the track diameter diminishes each sector must still hold 512 bytes Write precompensation circuitry compensates for the difference in sect...

Page 26: ...se None for Type if there are no IDE HDD devices in your system You can use the IDE HDD Auto Detection function to auto detect your hard drive parameters Using this function will automatically insert the parameters discussed under Hard Disk Setup and will indicate User for the Field value Floppy Disk Drives Choose the memory capacity and disk size that corresponds with that of your floppy disk dri...

Page 27: ...ew viruses have been found B Cache Control CPU Internal Cache External Cache Cache memory is much faster than conventional DRAM system memory These fields allow you to enable or disable the CPUs Level 1 built in cache and Level Anti Virus Protection Disabled CPU Internal Cache Enabled External Cache Enabled CPU L2 Cache ECC Checking Enabled Quick Power On Self Test Enabled First Boot Device Floppy...

Page 28: ...on as drive B and drive B will function as drive A Note that the boot sequence assignment mentioned directly above does not include booting from floppy drive B This function is useful if floppy drives B and A are of a different format and you want to boot from floppy drive B Boot up Floppy Seek During POST BIOS will determine if the installed floppy disk drive has 40 or 80 tracks A 360K drive has ...

Page 29: ...CSI BIOS etc that resides in ROM Read Only Memory chips is called firmware Shadowing of firmware occurs when BIOS is copied to RAM address C0000h through DFFFFh Video BIOS loads into the C0000 C7FFF memory area when video shadowing is enabled If an expansion peripheral in your system contains ROM based firmware you need to know the address range the ROM occupies to shadow it into the correct area ...

Page 30: ...the board has paged DRAM or EDO Extended Data Output DRAMs B SDRAM Cycle Length When synchronous DRAM is installed the number of the clock cycles of CAS latency depends on the DRAM timing Do not reset this setting from the default value specified by the system designer Figure 3 4 Chipset Features Setup Screen Item Help Menu Level Bank 0 1 DRAM Timing SDRAM 10ns Bank 2 3 DRAM Timing SDRAM 10ns SDRA...

Page 31: ...deo RAM resulting in better system performance However if any programs write to this memory area a system error may occur F AGP Aperture Size This function determines the amount of system memory that is given to the AGP card Options range from 4MB to 128MB This is a dynamic memory allotment in that the AGP card will only use the amount of memory that it needs The remaining memory not in use will b...

Page 32: ...y When disabled your PC s hardware reset button will function normally J OnChip Sound This function must be enabled in order to use the onboard audio function To terminate this function set it to disabled K Spectrum Spread When Enabled this function will cause lower EMI by spreading the system frequency spectrum For normal operation disable this function L Memory Parity ECC Check If the DRAM chips...

Page 33: ...heral devices By choosing the Integrated Peripherals option from the Standard CMOS Features menu Figure 3 1 the screen below is displayed This sample screen contains the manufacturer s default values for the mainboard CMOS Setup Utility Copyright C 1984 2000 Award Software Integrated Peripherals Item Help Menu Level On Chip IDE Channel0 Enabled On Chip IDE Channel1 Enabled IDE Prefetch Mode Enable...

Page 34: ...ltiple sector read write If your IDE hard drive supports block mode most new drives do select Enabled for automatic detection of the optimal number of block read writes per sector the drive can support F Onboard FDC Controller Select Enabled if your system has a floppy disk controller FDC installed on the system board and you wish to use it If you install an add in FDC or the system has no floppy ...

Page 35: ...OM players when they are not in use B Power Management Power management allows the computer to save electricity when it is not in use by entering increasingly deep power saving modes as shown by the diagram below Figure 3 7 Power Saving Mode Flow Chart Item Help Menu Level CMOS Setup Utility Copyright C 1984 2000 Award Software Power Management Setup Figure 3 6 Power Management Setup Screen Move E...

Page 36: ...f your video card supports the Display Power Management Signaling DPMS standard i e you have a monitor that supports Green features Use software supplied by your video subsystem to set video power management options E Modem Use IRQ If your computer has an modem use this function to tell BIOS which IRQ is being occupied by the modem card When the system is in Green mode the modem requires an IRQ as...

Page 37: ...n back on at a designated time of the month User must designate date of month and time of day This function is only available when using an ATX power supply and the Software Power Off function to turn off the computer See the Software Power Off feature in Section 2 4 of this manual for instructions ...

Page 38: ...on Data provides a detailed format of the configuration data structures stored in flash memory Each data structure defines the resources used by a device or a card in the system This includes legacy and PCI ISA PnP devices C FDD IRQ Can Be Free This function allows user to choose if the FDD IRQ is able to be freed up The default setting is Yes and this does not allow the IRQ to be free PNP OS Inst...

Page 39: ...PUtemperatureextendsbeyondthelimit any warning mechanism programmed into your system will be activated CMOS Setup Utility Copyright C 1984 2000 Award Software PC Health Status Item Help Menu Level Figure 3 8 PC Health Status Screen Current CPU Temp 31 o C 87 o F Current System Temp 31 o C 87 o F Current CPU FAN Speed 3500 RPM VCore 2 14V 2 5V 2 48V 3 3V 3 32V 5 V 5 05V 12 V 12 16V Move Enter Selec...

Page 40: ... the mainboard Item Help Menu Level CMOS Setup Utility Copyright C 1984 2000 Award Software Frequency Voltage Control CPU BUS Frequency Default A CPU BUS Frequency The CPU BUS frequency allows you to easily select your CPU s external clock frequency in BIOS Refer to Section 2 3 for details Figure 3 9 SeePU Setup Screen Move Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Val...

Page 41: ...hen you turn on the computer Frequency Voltage Control Load Fail Safe Defaults Load Optimized Defaults Set Supervisor Password Set User Password Setup Saving Standard CMOS Features Advanced BIOS Features Advanced Chipset Features Integrated Peripherals Power Management Setup PnP PCI Configur PC Health Status CMOS Setup Utility Copyright C 1984 2000 Award Software Load Fail Safe Defaults Y N N Esc ...

Page 42: ...you turn on the computer Figure 3 11 Load Optimized Defaults Screen CMOS Setup Utility Copyright C 1984 2000 Award Software Standard CMOS Features Advanced BIOS Features Advanced Chipset Features Integrated Peripherals Power Management Setup PnP PCI Configur PC Health Status Frequency Voltage Control Load Fail Safe Defaults Load Optimized Defaults Set Supervisor Password Set User Password Setup Sa...

Page 43: ...em for example Windows 95 found on the boot drive This is shown in Figures 3 12 and 3 13 The third and fourth variables are user password and supervisor password selected in BIOS Figure 3 1 The main purpose of separating user and supervisor is to allow only the supervisor to have control over the settings in BIOS The user on the other hand is only allowed to access the computer s operating system ...

Page 44: ...etup If you select this and type Y for yes followed by the Enter key the values entered in the setup utilities will be recorded in the CMOS memory of the BIOS chip 3 13 Exit Without Saving Selecting this option and pressing Y followed by the Enter key lets you exit the Setup program without recording any new values or changing old ones ...

Page 45: ...nboard software guide discusses the following items The following items are discussed in the TXT or PDF files Bus Master PIO IDE Driver Installation USBDriverInstallation Removing the Exclamation and or Question Marks From the Windows 95 Device Manager Menu UpdatingYourSystemBIOS Installing and Using a Desktop Management Interface DMI Utility for DOS Sound Driver and Utility Installation Optional ...

Page 46: ...42 Chapter 4 Memo ...

Page 47: ... 0020 0021 00A0 00A1 4 COM2 B IRQ3 2F8 2FF 5 COM1 A IRQ4 3F8 3FF 6 Floppy IRQ6 3F0 3F7 7 LPT1 IRQ7 378 37F 8 Real Time Clock IRQ8 070 071 9 PS 2 Mouse IRQ12 060 064 10 Mathcoprocessor IRQ13 0F0 0FF 11 IDE1 IRQ14 1F0 1F7 12 IDE2 IRQ15 170 177 IRQ 5 9 10 and 11 are available for interface cards Appendix I Appendix I Appendix I Appendix I Appendix I ...

Page 48: ...44 User s Manual Memo ...

Page 49: ...e CMOS Setup Utility menu See Chapter 3 Don t turn off or restart your system during programming process Make sure that your floppy diskette have only one BIN file to aviod confussion FLASH MEMORY WRITER V 7 41C C Award Software 1999 All Right Reserved Warning Don t Turn Off Power Or Reset System Write OK No Update Write Fail For XXX XXXXXXX 6A69MC3DC 0 DATE 06 20 2000 Flash Type XXXXX E82802AB 3 ...

Page 50: ...46 User s Manual Memo ...

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