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Soyo SY-7VCA2 Motherboard

1. 26 Hardware Installation Ssy 7VCA2 sovo Memory Configuration Table Number of Memory Modules RAM Type SDRAM Size 8 16 32 64 128 256 512 MB 27 Hardware Installation amp sy 7VCA2 2 3 3 Motherboard Connector 2 3 3 1 IDE Device Installation HDD CD ROM Pin 1 IDE 1 IDE2 Primary Secondary IDE IDE This Motherboard offers two primary and secondary IDE device connectors IDE1 It can support up to four high speed Ultra DMA 33 66 100HDD or CD ROM Connect one side of the ATA66 100 flat cable to the IDE device HDD or CD ROM and plug the other end to the primary or secondary IDE2 directionally keyed IDE connector on the Motherboard The 66 100 cable is backward compatible with ATA33 HDDs This Motherboard can support up to four HDDs ww 66 100 Flat Cable Hardware Installation Ssy 7VCA2 2 3 3 2 Floppy Drive Installation Pin 1 FDC Floppy Drive Connector The system supports 5 p
2. Back Panel SY 7VCA2 Platform Motherboard Description SY 7VCA2 1 6 SY 7VCA2 MOTHERBOARD COMPONENTS A B C D E gogo00000000000D000 d e r Motherboard Description e SY 7VCA2 gt Socket 370 Connector CPU Cooling Fan Connector Via 694X North Bridge chip ATX Power Supply Connector DIMM Banks Bus Mastering e IDE ATAPI Ports CMOS Clear Jumper Via 686B South Bridge Chip Flash BIOS USB Ports Chassis Cooling Fan Front panel connectors Serial Infrared IrDA Device Header Floppy Disk Drive FDD Port 16 bit ISA Slot 3V Lithium Battery Audio Modem Riser Slot Wake On LAN WOL Header 32 bit PCI Mastering Slots CD IN Connectors AC97 Codec Chip 32 bit AGP Slot Back panel Connectors Debug LEDs Motherboard Description e SY 7VCA2 1 7 MICROPROCESSOR The motherboard supports a single Socket 370 processor The processor s VID pins automatically program the voltage regulator on the motherboard to the required processor voltage In add
3. When On of LPT amp any NONE activity from one of the listed Default LPT system peripheral devices or IRQs COM wakes up the system 79 BIOS Setup Utility amp sy 7VCA2 Wake Up Setting HDD amp FDD OFF ON PCI Master OFF ON PowerOn by Disabled PCI Card Enabled Modem Ring Disabled Resume Enabled Alarm Enabled Primary INTR ON OFF IRQs Activity Primary Monitoring Resume by Disabled Press Enter Secondary Disabled Description Note When On of HDD amp FDD any Default activity from one of the listed system peripheral devices wakes up the system When On of PCI Master any activity from one of the listed Default system peripheral devices wakes up the system If enabled any PCI interrupt will wake up the system Default An input signal on the serial Ring Indicator RI line in other words Default an incoming call on the modem awakens the system from a soft off state Set alarm to power on the system by the date 1 31 or time hh mm ss If the date 1s set to 0 the system will self power on by alarm everyday at the set time When set to On any event occurring Default at will awaken a system which has been powered down IRQ3 COM2 IRQ4 COM1 IRQS LPT2 IRQ6 Floppy Disk IRQ7 LPT1 IRQI2 PS 2 mouse IRQI3 Coprocessor IRQI4 HardDsik IRQ9 IRQ2 Redir IRQIO Reserved I Reserved IRQ8 RTC Alarm IRQ15 Reserved Th
4. 1 13GHz 133 x 8 5 600MHz 66 x 9 0 800MHz 100 x 8 0 633MHz 66 x 9 5 850MHz 100 x 8 5 Select the working frequency of your Pentium amp Celeron processor amp VIA Cyrix processor among these preset values Note Mark the checkbox that corresponds to the working frequency of your Pentium III Celeron processor in case the CMOS configuration should be lost Step 4 Select SAVE amp EXIT SETUP Press Enter to save the new configuration to the CMOS memory and continue the boot sequence 45 Hardware Installation Ssy 7VCA2 2 3 7 Troubleshooting at First Start Video no display related issues I built a new computer system using a Soyo board and nothing happens when turning it on no video and no beeps from the PC speaker What is happening and how can it be fixed No screen and no beeps mean that your CPU and motherboard do not work at all It could be that the CPU is not seated correctly or that a component on the M B is grounded shorted with the case Also make sure to check the voltage setting switch 110V 220V on the back of the power supply To isolate the problem do the following 1 Press and hold down on Ins insert key while turning on computer until you get video If you do not get video then 2 Double check jumpers setting on you motherboard and remove all add on cards unplug all hard disk and floppy disk drive cables and see if you can hear some beeps If
5. Ces eg can vee L IRTX 3 Other Display Cards Insert other types of VGA cards into the PCI or ISA expansion slots according to card specifications 37 Hardware Installation Ssy 7VCA2 4 Cooling Fan Installation 1 CPU Cooling Fan After you have seated the CPU properly on the processor attach the 3 pin fan cable to the CPUFAN connector on the Motherboard The fan will stop when the system enters into Suspend Mode Suspend mode can be enabled from the BIOS Setup Utility POWER MANAGEMENT menu To avoid damage to the system install according to the following pin assignment CPU Cooling Fan CPUFAN Pin Assignment 12 SENSOR 38 Hardware Installation amp sy 7VCA2 2 Chassis Cooling Fan Some chassis also feature a cooling fan This Motherboard features a CHAFAN connector to provide 12V power to the chassis fan Connect the cable from the chassis fan to the CHAFAN 3 pin connector Install according to the following pin assignment Chassis Cooling Fan CHAFAN Pin Assignment GND 12V SENSOR Note CPUFAN must be installed for this Motherboard CHAFAN is 2 optional 39 Hardware Installation Ssy 7VCA2 5 CD Line in CDINI CDIN2 This Motherboard provides two CD Line in connectors Please connect the 4 pin audio cable from your CD ROM drive to either CDINI or CDIN2 It fits in only one depending on the cable that came with your CD ROM drive
6. 01 5 and more important the CPU micro code is written into the CPU Now the system is testing the RAM inserted on the board The screen will show the BIOS testing the RAM by a running counter After finishing the test the screen will show the amount of RAM in your system The super I O registers are set to the default values This includes the serial 2080302 01 parallel and IR etc settings L X L At this point the IDE busses primary and secondary are scanned for devices This includes HD drives and ATAPI CD ROM drives that are connected to the IDE bus After scanning the detected devices are displayed on screen The serial and parallel port registers are set to the values selected by the user D8 23 0201 Now BIOS will scan peripheral busses for add on cards This includes the PCI and AGP busses If any add on cards are detected the resources it 28 03 02 DI requires are assigned by the BIOS in accordance with user settings The ESCD and DMI Desktop Management Interface values are checked If there are changes the BIOS will flash the new values into the BIOS Flash ROM At this point the BIOS passes control to the Operating System OS All LEDs 8030201 will be on and will stay on to indicate a successful boot 50 Hardware Installation Ssy 7VCA2 You are now ready to configure your system with the BIOS setup program Go to Chapter 3 BIOS SETUP 51 BIOS Setup Utility
7. PS 2 Keyboard Pointing Device PS 2 mouse Speaker s optional Disk Drives HDD CD ROM Floppy drive pec Sec dw b 42 External Peripherals Printer Plotter and Modem optional m gt Internal Peripherals Modem and LAN cards optional 20 Hardware Installation Ssy 7VCA2 2 2 UNPACKING THE MOTHERBOARD When unpacking the Motherboard check for the following items The SY 7VCA2 VT82C694X AGP PCI Motherboard E The Quick Start Guide e The Installation CD ROM N SOYO Bonus Pack CD ROM 6 One IDE Device 66 Flat Cable im One Floppy Disk Drive Flat Cable 4 Warning Do not unpack the Motherboard from its anti static packaging until you are ready to install it Like most electronic equipment your Motherboard may be damaged by electrostatic discharge To avoid permanent damage to components ground yourself while working by using a grounding strap Otherwise ground yourself frequently by touching the unpainted portion of the computer chassis to drain the static charges Handle the Motherboard carefully holding it by the edges You are now ready to start the installation 21 Hardware Installation Ssy 7VCA2 2 3 INSTALLATION GUIDE We will now begin the installation of the Motherboard Please follow the step by step procedure designed to lead you to a complete and correct installation Warning Turn off the power to the Motherboard sys
8. Please go to sound properties and enable them Lock up freeze When I boot up my system everything works fine It sees my CPU and memory detects my hard drive floppy drive and CD ROM but locks up at Verify DMI pool data and it won t go any further What should I do Please clear the CMOS via JP5 then choose load setup default in the bios and save the bios and exit Next unplug all other add on cards except the video card and floppy drive controller and see if it can boot from floppy Then put back the peripherals one by one to identify which one causes the lockup If you are running a Cyrix CPU make sure the linear burst function is enabled in the bios I can not get my board to run properly Please make sure you have the latest bios and driver from the SOYO web site at http www soyo com 2 3 8 Power Off There are two possible ways to turn off the system 1 Use the Shutdown command in the Start Menu of Windows 95 98 to turn off your computer 2 Press the mechanical power button and hold down for over 4 seconds to shutdown the computer If you press the power button for less than 4 seconds then your system will enter into Suspend Mode 49 Hardware Installation Ssy 7VCA2 sovo 2 3 9 Debug LEDs The Debug LEDs give an indication of the status of the system during boot up If the system does not boot up properly use the table below to find out at what point in boot up sequence the problem a
9. Please install according to the following pin assignment CDIN1 CDIN2 CD Line in Pin Assigment CDIN2 6 e d 4 3 2 1 GND GND_ Left Right Left GND CDIN1 GND Right 4 3 2 1 FIT 2 3 3 6 AGP Insert the AGP card into the AGP slot Then connect the monitor information cable to the AGP card back plane external connector Follow the manufacturer s instructions to perform AGP VGA drivers installation 40 Hardware Installation amp sy 7VCA2 2 3 3 7 ATX Power Supply Plug the connector from the power directly into the 20 pin male ATX PW connector on the Motherboard as shown in the following figure ATX Power Warning Follow these precautions to preserve your Motherboard from any remnant currents when connecting to ATX power supply Turn off the power supply and unplug the power cord of the ATX power supply before connecting to ATX PW connector The Motherboard requires a power supply with at least 200 Watts and a power good signal Make sure the p
10. Yes 378 IRQ7 Normal 3 1 9 Enabled Disabled 220 IRQ 5 1 Disabled 330 333H Enabled Item Help Menu Level gt ESC Exit Fl General Help F7 Optimized Defaults 72 BIOS Setup Utility amp sy 7VCA2 The following tables describe each field in the INTEGRATED PERIPHERALS Menu and provide instructions on how to configure the IDE controls FDC controls and the onboard serial and parallel ports 3 5 1 IDE Device Controls IDE Controls Setting Description Note On Chip PCI IDE Disabled Turn off the on board Primary IDE Secondary Enabled Use the on board IDE Default IDE mode 0 4 0 is the slowest speed 4 4 is fastest speed Pri 4 e Auto For better performance Default gt Secondary Slave PIO and stability we suggest you use the Auto setting to set the HDD control timing IDE Disabled Primary Master Auto Select Auto to enable Default Primary Slave UDMA Ultra DMA Mode Secondary Master UDMA Secondary Slave UDMA support 3 5 2 Keyboard Controls Controls Setting Description Note Init Display First PCI Slot Choose which card AGP Display card or PCI VGA card to initialize first AGP 3 5 3 IDE HDD Block Mode Setting IDE HDD Block Mode Disabled Enabled Default Description Note Invokes multi sector Default transfer instead of one sector per transfer Not all HDDs support
11. 9 o 9 HE JOYSTICK LINE OUT LINE IN MIC _ ao 33 Hardware Installation Ssy 7VCA2 1 Onboard Serial Ports COM1 COM2 External peripherals that use serial transmission scheme include serial mouse and modem Plug the serial device cables directly into the 1 2 9 pin male connectors located at the rear panel of the Motherboard 2 Parallel Port PRT This parallel port is used to connect the printer or other parallel devices Plug the parallel device cable into the 25 pin female connector located at the rear panel of the Motherboard 3 PS 2 Keyboard Plug the keyboard jack directly into the 6 pin female PS 2 keyboard connector located at the rear panel of the Motherboard Pind SBD Clock Pin3 GND Pin1 KBD DATA 4 PS 2Mouse similarly plug the mouse jack directly into the 6 pin female PS 2 mouse connector 5 Pin3 GND Mouse 34 Hardware Installation Ssy 7VCA2 5 Universal Serial Bus USBI 2 Ports USB2 2 Ports This Motherboard provides four USB ports for your additional devices Plug the USB device jack into the available USB connector USBI USB2 Standard device drivers come with the Win98 for commonly used USB devices With Win95 use the flow UHCI specifications To use USB devices under Win95 usually you have to install the device that driver comes with the USB devi
12. Customers should be aware that the personal computer field is subject to many patents All of our customers should ensure that their use of our products does not infringe upon any patents It is the policy of Soyo Computer Inc to respect the valid patent rights of third parties and not to infringe upon or to cause others to infringe upon such rights Restricted Rights Legend Use duplication or disclosure by the Government is subject to restrictions set forth in subparagraph c 1 i1 of the Rights in Technical Data and Computer Software clause at 252 277 7013 About This Guide This Quick Start Guide can help system manufacturers and end users in setting up and installing the Motherboard Information in this guide has been carefully checked for reliability however to the correctness of the contents there is no guarantee given The information in this document is subject to amend without notice For further information please visit our Web Site on the Internet The address is http www soyo com tw Tested To Comply Edition January 2001 F With FCC Standards Version 1 1 FOR HOME OR OFFICE USE TVCA2 SERIAL 100 POST CONSUMER RECYCLED PAPER ii Table of Contents 2 1 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 2 2 1 2 2 2 3 2 3 1 2 3 2 2 3 3 3 3 4 2 3 5 2 3 6 2 3 7 2 3 8 3 3 1 3 2 Table of Contents MOT
13. Default NO Power Management device will be activated to enhance the Max Power Saving mode and stop the CPU internal clock If Advance Power Management APM is installed on your system selecting Yes gives better power savings Suspend gt When enabled this feature Default Off allows the VGA adapter to Always On operate in a power saving mode Modes gt Off Selects the method by which the Default Sync Blank monitor is blanked Blank screen DPMS 78 BIOS Setup Utility Ssy 7VCA2 Power Management Controls Continued Power Setting Description Note Management Controls MODEM Use 3 Assigns an IRQ to the modem Default IRQ 3 11 device Soft Off by Instant off Default PWR BTTN Delay 4 Turns off the system power 4 Sec seconds after pushing the power button State After On The system will switch on when Power Failure power comes back after a power failure The system will remain off when Default power comes back after a power failure Auto The system will return to the state it was in before the power failure when power returns i e If the system was on it will switch on again if it was off it will remain off Wake Up Press Enter Select items that will wake up your Events system when in one of sleep modes Press enter to go the select item page Setting Description Note OFF Default You can the VGA awakens system LPT amp COM
14. exactly what the VID 7 5 code specifies If an adjustment percentage 15 9 0 selected the Vcore will be that percentage higher 10 0 than the VID code specifies For instance the CPU VID code specifies 2 0V and the Vcore Voltage adjust 15 set to 10 0 the actual CPU Voltage will be 2 2V This function should only be used if the CPU is running on FSB Frequencies beyond the CPU specifications note that SOYO does not guarantee system stability if this item 15 not set to normal 3 1 6 Quick Power On Self Test Setting Description Note Quick Power Disabled ii On Self Test Enabled Provides a fast POTS at boot up Default 58 BIOS Setup Utility Ssy 7VCA2 3 1 7 System Boot Control Settings System Boot Setting Description Note Control Settings First Floppy select Your Boot Device Second Third LS ZIP Priority Boot Device HDD 0 SCSI CDROM HDD 1 HDD 2 HDD 3 LAN Disabled Boot Other Disabled select Your Boot Device Device Enabled Priority Default OnChip Disabled This item allows you to Sound Modem control the onboard AC 97 Default audio MC 97 Modem 59 BIOS Setup Utility 3 2 STANDARD CMOS SETUP Ssy 7VCA2 Select the STANDARD CMOS SETUP option from the Main Menu and press Enter key CMOS Setup Utility Copyright 1984 2000 Award Software Standard CMOS Features Fri Jan 1 1999 1 722 12 Date Time hh mm ss Press Enter None Press Enter None Press Enter Non
15. executed with one wait states Default This item enabled to detect the memory parity and Error Checking amp Correcting 71 BIOS Setup Utility Ssy 7VCA2 3 5 INTEGRATED PERIPHERALS Caution Change these settings only if you are already familiar with the Chipset The INTEGRATED PERIPHERALS option changes the values of the chipset registers These registers control the system options in the computer The following screen shows setup default settings CMOS Setup Utility Copyright 1984 2000 Award Software OnChip IDE Channel0 OnChip IDE Channell IDE Prefetch Mode Primary Master PIO Primary Slave PIO Secondary Master PIO Secondary Slave PIO Primary Master UDMA Primary Slave UDMA Secondary Master UDMA Secondary Slave UDMA Init Display First IDE HDD Block Mode Onboard FDD Controller Onboard Serial Port 1 Onboard Serial Port 2 UART 2 Mode x IR Function Duplex x TX RX inverting enable Onboard Parallel Port Onboard Parallel Mode x ECP Mode Use DMA Parallel Port EPP Type Onboard Legacy Audio Sound Blaster SB I O Base Address SB IRQ Select SB DMA Select MPU 401 MPU 401 I O Address Game Port 200 207H AV gt lt Enter S elect F5 Previous Values PU PD Value F10 Save F6 Fail Safe Defaults Integrated Peripherals Enabled Enabled Enabled PCI Slot Enabled Enabled 3F8 IRQ4 2F8 IRQ3 Standard Half No
16. gt SY 7VCA2 Motherboard K K K K KK K K K K K VIA Cyrix Intel Pentium III amp Celeron Processor supported Via 694X AGP PCI AMR Motherboard 66 100 133 MHz Front Side Bus supported ATX Form Factor CE K K User s Manual SOYO SY 7VCA2 Copyright 2001 by Soyo Computer Inc Trademarks Soyo is the registered trademark of Soyo Computer Inc All trademarks are the properties of their owners Product Rights All names of the product and corporate mentioned in this publication are used for identification purposes only The registered trademarks and copyrights belong to their respective companies Copyright Notice All rights reserved This manual has been copyrighted by Soyo Computer Inc No part of this manual may be reproduced transmitted transcribed translated into any other language or stored in a retrieval system in any form or by any means such as by electronic mechanical magnetic optical chemical manual or otherwise without permission in writing from Soyo Computer Inc Disclaimer Soyo Computer Inc makes no representations or warranties regarding the contents of this manual We reserve the right to amend the manual or revise the specifications of the product described in it from time to time without obligation to notify any person of such revision or amend The information contained in this manual is provided to our customers for general use
17. gt 64MB Report No FDD For WIN 95 Video BIOS Shadow C8000 CBFFF Shadow CCO000 CFFFF Shadow 00000 Shadow D4000 D7FFF Shadow D8000 DBFFF Shadow DCO000 DFFFF Shadow 250 Setup Non OS2 Yes Enabled Disabled Disabled Disabled Disabled Disabled Disabled Ssy 7VCA2 Item Help Menu Level gt N gt Move PU PD Value F10 Save F6 Fail Safe Defaults Ext F7 Optimized Defaults Enter S elect Fl General Help F5 Previous Values After you have completed the changes press Esc key and follow the instructions on your screen to save your settings or exit without saving 63 BIOS Setup Utility Ssy 7VCA2 3 3 1 Virus Warning Setting Description Note Anti Virus Disabled If set to enabled the Paragon Anti Default Protection Enabled X Virus Function will scan your boot drive for boot virusses If a boot virus 15 detected the BIOS will display a warning message 3 3 2 Cache Memory Options Setting Description Note CPU Internal Cache Disabled Enabled Enables the CPU s internal Default cache External Cache Disabled Enabled Enables the external Default memory 3 3 3 Floppy Driver Settings Setting Description Note Swap Floppy Disabled Default Drive Enabled Changes the sequence of A and drives 3 3 4 Boot Up Floppy Seek Setting Description Note Boot Up Floppy Disabled Seeks disk drives during boot up Seek Disabling speeds boot up Enabled D
18. most conservative F6 Safe Defaults values Load Optimized Loads all options with the optimize values Defaults Save Saves your changes and reboots the system Returns at anytime and from any location to Enter Select Will display a overlapping window with all options for the current item Using the Page Up and Page Down PU PD Value keys the user can toggle the value of the current item 53 BIOS Setup Utility 2 sovo SAVE AND EXIT SETUP Select the SAVE amp EXIT SETUP option from the Main Menu to save data to CMOS and exit the setup utility This option saves all your changes and causes the system to reboot Type Y to save the changes and exit or N to return to the Main Menu and keep current values SAVE to CMOS and EXIT EXIT WITHOUT SAVING Selecting the EXIT WITHOUT SAVING option allows you to abandon all data and exit setup therefore ignoring all your changes ROM PCI ISA BIOS CMOS SETUP UTILITY ees he Type Y to abandon changes and exit or N to return to the Main Menu and keep current values 54 BIOS Setup Utility 2 3 1 SOYO COMBO SETUP This Motherboard does not use any hardware jumpers to set the CPU frequency Instead CPU settings are software configurable with the BIOS SOYO COMBO SETUP After the hardware installation is complete turn the power switch on then p
19. port 1s a 25 pin D Sub connector located on the back panel of the motherboard In the Setup program there are four options for parallel port operation Compatible standard mode Bi directional PS 2 compatible Bi directional EPP A driver from the peripheral manufacturer 15 required for operation Bi directional high speed ECP 1 10 3 Diskette Drive Controller The I O controller is software compatible with the 82077 diskette drive controller and supports both PC AT and PS 2 modes In the Setup program the diskette drive interface can be configured for the following diskette drive capacities and sizes 360 KB 5 25 inch 1 2 MB 5 25 inch 720 KB 3 5 inch 1 2 MB 3 5 inch driver required 1 25 1 44 MB 3 5 inch 2 88 MB 3 5 inch 17 Motherboard Description e SY 7VCA2 1 10 4 PS 2 Keyboard and Mouse Interface PS 2 keyboard and mouse connectors are located on the back panel of the motherboard The 5 V lines to keyboard and mouse connectors protected with a fuse that prevents motherboard components from being damaged when an over current condition occurs 5 Note The mouse and keyboard can be plugged into either PS 2 connector Power to the computer should be turned off before a keyboard or mouse is connected or disconnected The keyboard controller contains code which provides the traditional keyboard and mouse control functions and also supports Power On Reset password protection Powe
20. you still do not get any beeps then try putting the motherboard on the table to isolate it from the case with the CPU and speaker only and give it one more try I hear a series of beeps and I do not get anything from my monitor What could be wrong The following lists some basic beep codes and their possible meanings e long beep and 3 very short beeps The video card is not detected by the motherboard Please re seat your video card If you are using an AGP card please push your AGP card down real hard You may have to push VERY hard without the AGP card mounting screw Make sure not to insert the card the other way around e Continuous beeps One or more of the memory modules is not seated correctly in its socket 46 Hardware Installation amp sy 7VCA2 My PCI VGA card works fine with my system but when I put in a new AGP card it does not give me any video Is my AGP slot bad This 15 problem with AGP video cards The reason is that your AGP card did not get seated into the AGP slot fully and firmly Please push your AGP card down into the socket real hard it should snap twice You may have to unscrew the AGP card to allow the card to go further down Do take care not to damage the card by using too much force I get distorted video my AGP card right after I save my bios Why is that The cause is likely that your AGP card is not running at the correct bus speed To fix this please clear t
21. 115 38 MHz CPU Ratio 120 40 MHz 124 31 MHz 126 31 MHz 129 32 MHz 133 33 MHz 135 33 MHz 138 34 MHz 140 35 MHz 141 35 MHz 143 35 MHz 145 36 MHz Description Note Select the host clock of your Socket 370 processor among these values Note For the Via 694X chipset 66 and 100 and 133 MHz host clock frequencies are acceptable However the system stability is not guaranteed for other frequencies due to the limitations of this chipset 147 36 MHz _ 150 37 MHz 154 38 MHz 1160 40 MHz 166 41 MHz 118 39 MHz After you have selected the host clock choose the right multiplier for the CPU Options are 2 2 5 3 3 5 4 4 5 5 5 5 6 6 5 7 0 7 5 8 0 The CPU frequency 15 then defined as host clock freq x multiplier and should the working frequency of your Pentium amp Pentium processor Disabled Enabled Auto Detect DIMM PCI CIk When enabled this item will auto detect 1f the DIMM and Default PCI socket have devices and will send clock signal to DIMM and PCI devices When disabled it will send the clock Disabled Enabled Spread Spectrum This item allows you to enable disable the spread spectrum modulate signal to all DIMM and PCI socket Default 56 BIOS Setup Utility Ssy 7VCA2 3 1 2 C I H 4 WAY Protection Settings Setting Description Disabled When set to enabled the BIOS can Enabled only be programmed through Default AWDFLASH maki
22. 2 Chapter 3 BIOS SETUP UTILITY This Motherboard s BIOS setup program uses the ROM PCI ISA BIOS program from Award Software Inc To enter the Award BIOS program s Main Menu 1 Turn on or reboot the system 2 After the diagnostic checks press the Del key to enter the Award BIOS Setup Utility CMOS Setup Utility Copyright 1984 2000 Award Software Soyo Combo Feature PC Health Status Standard CMOS Features Load Fail Safe Defaults Advanced BIOS Features Load Optimized Defaults Advanced Chipset Features Set Supervisor Password Integrated Peripherals Set User Password gt Power Management Setup Save amp Exit Setup gt PnP PCI Configurations Exit Without Saving Esc Quit V2 Select Item 210 Save amp Exit Setup Change CPU s Clock amp Voltage Selecting items Use the arrow keys to move between items and select fields From the Main Menu press arrow keys to enter the selected submenu Modifying selected items Use the Up Down keys to modify values within the selected fields Some fields let you enter values directly 52 BIOS Setup Utility amp sy 7VCA2 Hot Keys Function keys give you access to a group of commands throughout the BIOS utility Gives the list of options available for each General Help Previous Restore the old values These are the values Values that the user started the current session with Load Fail Loads all items with the
23. 5 98 Your motherboard comes with a hardware monitoring IC By installing this utility Temperature Fan speed and Voltages can be monitored It is also possible to set alarms when current system values exceed or fall below pre set values Step 3 Select which driver you want to install and click OK Notice 1 Once you have selected a driver the system will automatically exit the SOYO CD to begin the driver installation program When the installation is complete most drivers require to restart your system before they can become active Notice 2 You may click Cancel to abort the driver installation and return to the main menu Step 4 Check the Latest Releases Click the Check the latest Releases button to go the SOYO Website to automatically find the latest BIOS manual and driver releases for your motherboard This button will only work if your computer is connected to the internet through a network or modem connection Make sure to get your modem connection up before clicking this button 94 SOYO
24. 78 5 Parallel Port Mode Normal The mode depends on your Default EPP external device that ECP connects to this port If Parallel Port Mode is to ECP mode ECP Mode use 3 Choose DMA3 Default DMA 1 Choose If Parallel Port Mode is set to EPP mode Parallel Port EPP EPP 1 9 Select EPP port type 1 9 TYPE EPP 1 7 Select EPP port type 1 7 Default 3 5 7 Onboard Legacy Audio This field controls the onboard legacy audio Setting Description Note Onboard Disabled Set this item to Enabled if using Legacy Audio Enabled software like DOS games that needs Default a audio device Sound Blaster Disabled Set this item to enabled if your on Default Enabled board audio chip is sound Blaster compatible SB I O Base 220H Select the base address for your Default Address sound Blaster SB compatible Audio IC SB IRQ Select IRQ5 Select the your SB Audio IC Default uses SB DMA Select Select the DMA channel your SB Default Audio IC uses 75 BIOS Setup Utility Ssy 7VCA2 Onboard Legacy Audio Continued This field controls the onboard legacy audio Setting Description Disabled Set this item to enabled to make use Default Enabled of MIPI MPU 401 I O 330 333H Select the I O address for your MIDI Default Address 330 303H functionality 310 313H 320 323H Game Port Disabled Set this item to enabled to make use 200 207H Enabled of the game p
25. A PnP On Chip Primary PCI IDE disabled Interrupt 12 will be released by the PnP IRQ 7 PnP Onboard parallel port disabled IRQ 4 PnP Onboard Serial port 1 disabled 4 Your OS may reassign another interrupt to a PCI slot after BIOS passes control to the OS especially if you use Windows 95 98 or NT VGA USB port Enabled BIOS won t assign IRQ for Default VGA USB port 5 Your OS may reassign another interrupt to a PCI slot after BIOS passes control to the OS especially if you use Windows 95 98 or NT INT Pin Auto Set to Auto the BIOS will Default 1 2 3 4 using IRQs Automatically Assignment 83 BIOS Setup Utility 2 3 7 2 MULTI I O ADDRESSES Default settings for multi I O addresses are as follows LPT1 378H ECP EPP Warning a default I O address conflicts with other I O cards such as sound card you must change one of the I O addresses to remedy to this address conflict I O addresses can be adjusted from the BIOS Setup Utility 3 8 PC HEALTH STATUS This option sets the Motherboard s PC Health Status CMOS Setup Utility Copyright 1984 2000 Award Software PC Health Status Current CPU Temp 29 C I F Current System Temp 40 104 F Current CPUFAN Speed 5192 RPM Current CHAFAN Speed 0 RPM 2 02 V 2 5V 2 50 331 y 4 97 V 11 70 V Help Menu Level gt Enter Select PU PD Val
26. A2 a motherboard to trust B PC99 ACPI compliant USER FRIENDLY B SOYO Combo Setup B Jumperless design B You can set up the following options trough the BIOS setting FSB frequency CPU multiplier CPU Vcore voltage PCI clock AGP Clock SDRAM Clock Motherboard Description e SY 7VCA2 1 5 HANDLING THE MOTHERBOARD To avoid damage to your Motherboard follow these simple rules while unpacking Before handling the Motherboard ground yourself by grasping an unpainted portion of the system s metal chassis Remove the Motherboard from its anti static packaging Hold the Motherboard by the edges and avoid touching its components gt Check the Motherboard for damage If any chip appears loose press carefully to seat it firmly in its socket Warning Do not apply power if the Motherboard appears damaged If there 1s damage to the board contact your dealer immediately 1 4 ELECTROSTATIC DISCHARGE PRECAUTIONS Make sure to ground yourself before handling the Motherboard or other system components Electrostatic discharge can easily damage the components Note that you must take special precautions when handling the Motherboard in dry or air conditioned environment To protect your equipment from electrostatic discharge take the following precautions gt Donotremove the anti static packaging until you are ready to install gt Ground yourself before removing any system component fro
27. D Anode LED Cathode 31 Hardware Installation amp sy 7VCA2 5 ATX Power On Off Switch Attach the 2 pin momentary type switch to the PWRBT header for turning On or Off your ATX power supply PWRBT Pin Assignment 1 Power On Off GND 6 STR LED The STR LED is connected to the Voltage that feeds the DIMM sockets Therefore the following table applies Suspend to RAM Normal Operation Power Off STR LED OFF STR LED Pin Assignment E LED Anode LED Cathode 32 Hardware Installation Ssy 7VCA2 2 3 3 4 Back Panel Connections All external devices such as the PS 2 keyboard PS 2 mouse printer modem USB can be plugged directly onto the Motherboard back panel Only after you have fixed and locked the Motherboard to the computer case can you start connecting the external peripheral devices When connecting an external device use the following figure to locate and identify which back panel connector to plug the device to PS 2 KB PS 2 Mouse Connector Connector 4 M Y t USB 1 11 USB2 4 6 o o 9 0 _____ 04 2
28. HERBOARD DESCRIPTION 1 INTRODUCTION TIRES 1 KEY FEATURES 59 Wit 1 HANDLING THE MOTHERBOARD 5 ELECTROSTATIC DISCHARGE PRECAUTIONS 5 SY 7VCA2 MOTHERBOARD LAYOUT 6 SY 7VCA2 MOTHERBOARD COMPONENTS 7 55 4 420420222221 9 SY 7VCA2 MOTHERBOARD COMPONENTS 10 MICROPROCESSOR esee 12 INTERFACE CONTROLLER e 16 HARDWARE MONITOR eere 18 WAKE ON LAN 19 HARDWARE 1 20 5 6 i tot v Mu mue RUE 20 UNPACKING THE MOTHERBOARD 2 INSTALLATION GUIDE 22 CPU Fan dnstallatiQicsscssc sn beer naris 23 SDRAM Memory Module Installation 26 Motherboard Connector eese 28 CMOS Clearing IPD 43 OP 43 Quick BIOS Setup csse 44 Troubleshooting at First 46 FRI rS 49 BIOS SETUP UTILITY aiino 32 55 60 ill Table of Contents 2 3 3 ADVANCED BIO
29. LAN Some advanced network cards can wake the system up over the network the WOL connector is provided by the SY 7VCA to support this function B Multiple boot The SY 7VCA2 supports booting from devices such as CD ROM B Power on by modem or alarm If the SY 7VCA2 system is in suspend mode it can be switched back on through the modem or RTC alarm through this function This opens a lot of possibilities such as remote access that switches the system on only after the modem receives a call gt FAIL SAFE The SY 7VCA2 comes with added functionality to make managing the system easy and safe Hardware Monitor The integrated Hardware Monitor 1 and Hardware doctor software enables the user to monitor system voltages temperatures and FAN speeds This makes sure that the user 18 full control of the system Power Failure Resume Function This function can be set in the BIOS and determines whether the system will automatically turn on again after a power failure This function is indispensable for server systems that need to always be on line 5VSB Indicator This green LED gives an indication of the presence of the 5V Standby voltage This voltage is always fed into the motherboard and is used for functions such as WOL gt SOYO Bonus Pack CD ROM gt COMPLIANCE The SY 7VCA2 complies with all important industry standards The 3 Motherboard Description e SY 7VCA2 following underlines the reliability of the SY 7VC
30. N TECHNOLOGY Wake on LAN technology enables remote wakeup of the computer through a network Wake on LAN technology requires a PCI add in network interface card NIC with remote wakeup capabilities The remote wakeup connector on the NIC must be connected to the onboard Wake on LAN connector The NIC monitors network traffic at the Ethernet interface upon detecting a Magic Packet the NIC asserts a wakeup signal that powers up the computer This feature uses the Wake on LAN connector me CAUTION For Wake on LAN the 5 V standby line for the power supply must be capable of delivering 5V 5 at 720 mA Failure to provide adequate standby current when implementing Wake on LAN can damage the power supply 19 Hardware Installation Ssy 7VCA2 Chapter 2 HARDWARE INSTALLATION Congratulations on your purchase of SY 7VCA2 Motherboard You are about to install and connect your new Motherboard Note Do not unpack the Motherboard from its protective anti static packaging until you have made the following preparations 2 1 PREPARATIONS Gather and prepare all the following hardware equipment to complete the installation successfully 1 Socket 370 processor with built in CPU cooling fan boxed type Note This Motherboard supports non boxed type CPUs The heavier CPU cooling fan requires the installation of a CPU support stand DIMM memory module s Computer case and chassis with adequate power supply unit Monitor
31. PnP configuration Default Configuration data in BIOS Data Enabled Reset PnP configuration data in BIOS Resources Manual BIOS does not manage PCI ISA PnP Controlled By card IRQ assignment Requires to assign IRQ and DMA to PCI or ISA PnP manually IRQ 3 4 5 7 9 10 11 12 14 15 assigned to _ 0 1 3 5 6 7 assigned to _ Auto The Plug and Play BIOS Recommended ESCD auto manages PCI ISA PnP card IRQ assignment automatically If Resources Controlled By 1s set to Manual IRQ and PnP Choose IRQ and IRQ 3 4 5 7 9 10 DMA DMA assigned to 11 12 14 15 assigned to 5 PnP card DMA 0 1 3 5 6 7 Legacy ISA Choose and IRQ 3 4 5 7 9 10 DMA assigned to 11 12 14 15 Legacy ISA card DMA 0 1 3 5 6 7 Under this item the user can assign an IRQ to a PCI slot However there under some conditions the IRQ will not be assigned as selected under this item 1 IRQs 0 1 2 6 8 13 can NOT be assigned because they are fixed 2 IRQs 5 9 10 11 are available 3 IRQs 3 4 7 12 14 and 15 will only be assigned if they are free See the table below on how to free them 82 BIOS Setup Utility Ssy 7VCA2 PNP PCI Configuration Setup Continued PNP PCI Setting Description Interrupt How to set the BIOS to release the IRQ to the PnP Interrupt pool PnP PCI configuration _ Integrated Peripherals IRQ 15 IRQ 15 PCI ISA PnP On Chip Secondary PCI IDE disabled IRQ 14 14 PCI IS
32. S 63 3 4 ADVANCED CHIPSET 5 67 3 5 INTEGRATED PERIPHERALS 72 3 6 POWER MANAGEMENT SETUP 71 3 7 PNP PCI CONFIGURATION 81 3 8 FC HESL STATES ou aD 94 3 9 LOAD FAIL SAFE DEFAULTS 96 3 10 LOAD OPTIMIZED 8 87 3 11 SUPERVISOR PASSWORD estt eei orb qe NH SEHE Rees RE 88 3 12 527700610 99 3 13 IDE HDD AUTO DETECTION 90 CHAPTER 4 DRIVERS INSTALLATION 91 Motherboard Description e SY 7VCA2 Chapter 1 MOTHERBOARD DESCRIPTION 1 1 INTRODUCTION The SY 7VCA2 AGP PCI AMR Motherboard is a high performance Socket 370 supported ATX form factor system board The SY 7VCA2 uses VIA Chipset technology and supports Socket 370 class processors This Motherboard 15 fully compatible with industry standards and adds many technical enhancements 1 2 KEY FEATURES gt CPU SUPPORT The SY 7VCA2 supports a wide range of INTEL CPUs FSB 66MHz Celeron 400 700MHz B FSB 100MHz Pentium III 500 850M Hz B FSB 133MHz Pentium 9 III 533MHz 1 13GHz Supports Via Cyrix processors B FSB 100MHz Cyrix III SOOMHz 600MHz B FSB 133MHz Cyrix III 533MHz 600MHz New released Intel Socket 370 CPUs will very likely be support
33. This it 1 1 TS Default DRAM Clock HCLK 33M you to control the HCLK 33M SDRAM Cycle 2 When synchronous DRAM is Default Length 3 installed the number of clock cycles of CAS latency depends on the DRAM timing Do not reset this field from the default value specified by the system designer Bank 4 Bank Increase DRAM performance Default Interleave Disabled 2 Bank Memory Hole Disabled Default Enabled Some interface cards will map their ROM address to this area If this occurs select Enabled in this field P2C C2P Disabled This item allows you to Concurrency enable disable the PCI to CPU CPU Enabled to PCI concurrency Default 68 BIOS Setup Utility Ssy 7VCA2 CHIPSET FEATURES SETUP Continued CHIPSET Setting Description Note Fast R W Disabled This item controls the DRAM Turn Around timing It allows you to enable Default disable the fast read write turn around CPU In Order 4 Level This item is related to cache Default Queue Size 1 Level performance A queue size of 4 gives highest performance System BIOS Disabled Cacheable Enabled The ROM area F0000H FFFFFH is Default cacheable Video RAM Disabled When synchronous DRAM is Default Cacheable Enabled installed the number of clock cycles of CAS latency depends on the DRAM timing Do not reset this field from the default value specified by the system designer AGP Aperture 64M Select the size of Accelerated Defa
34. allowed to change any setting in the CMOS SETUP UTILITY except for changing the user s password The password setting procedure is similar to that for the SUPERVISOR PASSWORD Refer to section 3 9 89 BIOS Setup Utility 2 3 13 HDD AUTO DETECTION This Main Menu function automatically detects the hard disk type and configures the Standard CMOS Features accordingly CMOS Setup Utility Copyright 1984 2000 Award Software IDE Primary Master IDE HDD Auto Detection Press Enter Item Help IDE Primary Master Auto Menu Level gt Capacity Access Mode Cylinder Head Precomp Landing Zone Sector Enter Select PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F6 Fail Safe Defaults F7 Optimized Defaults Note This function is only valid for IDE type of hard disk drives 90 Drivers installation Ssy 7VCA2 Chapter 4 DRIVERS INSTALLATION Your SY 7VCA2 Motherboard comes with a CD ROM labeled SOYO CD The SOYO CD contains the user s manual file for your new Motherboard the drivers software available for installation and a database in HTML format with information on SOYO Motherboards and other products Step 1 Insert the SOYO CD into the CD ROM drive The SOYO CD will auto run and the SOYO CD Start Up Menu will be as shown If you use Windows NT the SOYO CD will not detect your motherboard type In that case the following dialog will pop up p
35. ation forty eight levels double words of post write buffers and sixteen levels double words of prefetch buffers are included for concurrent PCI bus and DRAM cache accesses The chip also supports enhanced PCI bus commands such as Memory Read Line Memory Read Multiple and Memory Write Invalid commands to minimize snoop overhead In addition advanced features are supported such as snoop ahead snoop filtering L1 write back forward to PCI master and L1 write back merged with PCI post write buffers to minimize PCI master read latency and DRAM utilization Delay transaction and read caching mechanisms are also implemented for further improvement of over all system performance The 352 pin Ball Grid Array VT82C686B PCI to ISA bridge supports four levels double words of line buffers type F DMA transfers and delay transaction to allow efficient PCI bus utilization The VT82C686B also includes an integrated keyboard controller with PS 2 mouse support integrated DS12885 style real time clock with extended 256 byte CMOS RAM integrated master mode enhanced IDE controller with full scatter gather capability and extension to UltraDMA 33 66 for 33 66 MB sec transfer rate integrated USB interface with root Hub and two function ports with built in physical layer transceivers Distributed DMA supports and On Now ACPI compliant advanced configuration and power management interface For sophisticated power management the Via 694X provides independent
36. ce you have purchased USB2 15 available To make use of these USB ports purchase a USB cable from your dealer The lay out of USB2 15 as follows USB2 USB2 GND 10 0 5 None GND 9 A GND Data g 3 Data Data 7 1077 2 Data Power 6 00707 1 Power 6 Onboard Joystick port audio This Motherboard provides Joystick port and audio Attach the joystick cable to the 15 pin JOYSTICK port at the rear panel of you motherboard This Motherboard features three built in audio stereo ports labeled line in line out and mic jack convenient to directly plug in all your external audio devices 35 Hardware Installation Ssy 7VCA2 2 3 3 5 Other Connections 1 Wake On LAN WOL Attach the 3 pin connector from the LAN card which supports the Wake On LAN WOL function to the JP10 header on the Motherboard This WOL function lets users wake up the connected computer through the LAN card Please install according to the following pin assignment Wake On LAN JP44 Pin Assignment 5VSB GND MP Wake up 36 Hardware Installation amp sy 7VCA2 2 Infrared IR1 Plug the 5 pin infrared device cable to the header This will enable the p Cae v ee oll infrared transfer function This Motherboard meets both the ASKIR and HPSIR specifications Please install according to the following pin assignment Serial Infrared IR1 Connector IR1 Pin Assignment
37. clock stop control for the CPU SDRAM PCI and AGP buses and 13 Motherboard Description e SY 7VCA2 Dynamic CKE control for powering down of the SDRAM A separate suspend well plane is implemented for the SDRAM control signals for Suspend to DRAM operation Coupled with the VT82C686B south bridge chip a complete power conscious PC motherboard can be implemented with no external TTLs The Via 694X chipset 15 ideal for high performance high quality high energy efficient and high integration desktop and notebook AGP PCI ISA computer systems VTS2C686B The VT82C686B PSIPC PCI Super I O integrated Peripheral Controller is a high integration high performance power efficient and high compatibility device that supports Intel and non Intel based processor to PCI bus bridge functionality to make a complete Microsoft PC99 compliant PCI ISA system In addition to complete ISA extension bus functionality the VT82C686B includes standard intelligent peripheral controllers 1 Master mode enhanced IDE controller with dual channel DMA engine and interlaced dual channel commands Dedicated FIFO coupled with scatter and gather master mode operation allows high performance transfers between PCI and IDE Mevices In addition to standard PIO and DMA mode operation the VT82C686B also supports the UltraDMA 33 standard to allow reliable data transfer rates up to 33MB sec throughput The VT82C686B also supports the UltraDMA 66 100 standard T
38. d around write capability for non stalled CPU read Speculative DRAM read before snoop result Burst read and write operation x 2 2 2 2 2 2 2 bank to back accesses for EDO DRAM from CPU or from DRAM controller x 1 1 1 1 1 1 back to back accesses for SDRAM BIOS shadow at 16KB increment Decoupled and burst DRAM refresh with staggered RAS timing CAS before RAS or self refresh 11 Motherboard Description e SY 7VCA2 1 9 CHIPSET gt WVT82C694X The VIA 694X 15 a high performance cost effective and energy efficient chip set for the implementation of AGP PCT ISA desktop personal computer systems from 66MHz 100MHz and 133MHz based on 64 bit Socket 370 super scalar processors The Via 694X chip set consists of the VT82C694A system controller 510 BGA and VT82C686B PCI to ISA bridge 352 pin BGA The system controller provides superior performance between the CPU DRAM AGP bus and PCI bus with pipelined burst and concurrent operation The VT82C694X supports eight banks of DRAMs up to 1 5GB The DRAM controller supports standard Fast Page Mode FPM DRAM EDO DRAM Synchronous DRAM SDRAM and Virtual Channel SDRAM VC SDRAM in a flexible mix match manner The Synchronous DRAM interface allows zero wait state bursting between the DRAM and the data buffers at 66 100 133 MHz The eight banks of DRAM can be composed of an arbitrary mixture of IM 2M A4M 8M 16M 32MxN DRAMs The DRAM controller also
39. e Press Enter None IDE Primary Master IDE Primary Slave IDE Secondary Master IDE Secondary Slave Drive A Drive B Floppy 3 Mode Support 1 44M 3 5 in None Disabled Video EGA VGA All Errors 640K 30720K 31744K Base Memory Extended Memory Total Memory N gt Move Enter S elect F5 Previous Values F6 Fail Safe Defaults PU PD Value F10 Save Item Help Menu Level gt ESC Exit F7 Optimized Defaults Fl General Help This screen allows you to modify the basic CMOS settings After you have completed the changes press Esc key to return to the Main Menu 3 2 1 Date amp Time Display Setting EN mm dd yyyy the current date hh mm ss Type the current time Please Note You can also the PUp PDn keys to toggle 24 hour clock format 3 15 PM is displayed as 15 15 00 60 BIOS Setup Utility Ssy 7VCA2 3 2 2 Hard Disks Type amp Mode Choose the type and mode for the hard disks that you have already installed Primary Setting Description Note Secondary Master amp Slave IDE HDD Auto Press To auto detect the HDD s size Detection Enter head on this channel IDE Primary Auto BIOS detects hard disk type Default Slave automatically User Type User User defines the type of hard disk None Access Mode Auto BIOS detects hard disk mode Default automatically Normal Normal IDE hard disk 528MB LBA Enhanced IDE hard disk g
40. e system ignores the alarm Default 80 BIOS Setup Utility 3 7 amp sy 7VCA2 PNP PCI CONFIGURATION SETUP This option sets the Motherboard s PCI Slots CMOS Setup Utility Copyright 1984 2000 Award Software PnP PCI Configurations PNP OS Installed Reset Configuration Data Resources Controlled By X IRQ Resources Resources Palette Snoop Assign IRQ For VGA Assign IRQ For USB INT Pin 1 Assignment INT Pin 2 Assignment INT Pin 3 Assignment INT Pin 4 Assignment N gt Move Enter S elect F5 Previous Values NO Disabled Lr Auto ESCD Press Enter Press Enter Disabled Enabled Enabled Auto Auto Auto Auto ESC Exit F7 Optimized Defaults PU PD Value F10 Save F6 Fail Safe Defaults Fl General Help Note Starred items will disappear when the Resources Controlled By option is set to Auto After you have completed the PCI Slot Configuration press Esc and follow the instructions on your screen to save your settings or exit without saving 81 BIOS Setup Utility Ssy 7VCA2 3 7 1 PNP PCI Configuration Controls PNP PCI Setting Description Note Controls PnP OS Yes Set this field to Yes if you Installed are running Windows 95 which is PnP compatible If the OS you running Default does not support PnP If there is any configuration doubt set this field to No Reset Disabled Retain
41. ed by the SY 7VCA2 as well CPUSETTINGS The SY 7VCA2 provides the user with a very complete and convenient CPU setting environment The CPU settings are all adjusted through the special SOYO COMBO page in the BIOS therefore rendering the use of jumpers obsolete B CPU FSB Frequency The SY 7VCA2 supports an incredible wide range of CPU FSB frequency settings 66 775 81 83 90 95 100 105 110 112 113 115 117 118 120 122 124 126 133 135 137 138 140 142 144 150 and 155 MHz This ensures that the SY 7VCA2 has an overwhelming overclocking potential 1 Motherboard Description e SY 7VCA2 CPU Multiplier The SY 7VCA2 supports a wide range of multipliers 2 0x 2 5x 3 0x 3 5x 4 0 4 5 5 0x 5 5x 6 0x 6 5 7 0x 7 5 and 8 gt EXPANDABILITY The SY 7VCA2 provides all standard expansion slots and many more additional expansion features Expansion slots 1 x 32 bit bus master AGP slot 5 x 32 bit bus master PCI slots 1 x 16 bit ISA slots Enhanced IO Floppy disk controller 2x EIDE controllers with support for up to 4 Ultra DMA 33 66 100 devices Standard EPP ECP parallel port 2x 16550 compatible serial ports IrDA compatible infrared port 4x USB Universal Serial Bus connectors PS 2 mouse connector PS 2 keyboard connector Motherboard Description e SY 7VCA2 gt ADVANCED FUNCTIONS The SY 7VCA2 supports advanced functions such as B Wake On LAN Supports Wake On
42. efault 3 3 5 Boot Up NumLock Status Setting Description Note Boot Up On Puts numeric keypad in Default NumLock NumLock mode at boot up Status Off Puts numeric keypad in arrow key mode at boot up 64 BIOS Setup Utility Ssy 7VCA2 3 3 6 Gate A20 Options Setting Description Note Normal Lets chipset control GateA20 Fast A pin in the keyboard controller Default controls GateA20 3 3 7 Typematic Settings Typematic Settings Setting Description Note Typematic Disabled Keystrokes repeat at a rate Default Rate Setting determined by the keyboard Enabled When enables the typematic rate and typematic delay can be selected The following Typematic Rate and Typematc Delay fields are active only if Typematic Rate Setting is set to Enabled Typematic Rate 6 Char sec Choose the rate at which a Default 8 Char sec character is repeated when 10 Char sec holding down a key 12 Char sec 15 Char sec 20 Char sec 24 Char sec 30 Char sec Typematic Delay 250 msec Choose how long after Default 500 msec you press a key down the character begins repeating 750 msec 1000 msec 65 BIOS Setup Utility Ssy 7VCA2 3 3 8 Security Option Use this feature to prevent unauthorized system boot up or use of BIOS Setup The following table describes the security settings Description Security Option System Each time the system is booted the password prompt appea
43. g mixed audio streams into USB and 1394 speakers for high quality digital audio 9 Two game ports and One MIDI port 10 ECP EPP capable parallel port 11 Standard floppy disk drive interface 12 Distributed DMA capability for support ISA legacy DMA over the PCI bus Serial IRQ is also supported for docking and non docking application 13 Plug and Play controller that allows complete steerability of all PCI interrupts and internal interrupts DMA channels to any interrupt channel One additional steerable interrupt channel 1s provided to allow plug and play and reconfigurability of onboard peripherals for Windows family compliance The VT82C686B also enhances the functionality of the standard ISA peripherals The integrated interrupt controller supports both edge and 15 Motherboard Description e SY 7VCA2 level triggered interrupts channel by channel The integrated DMA controller supports type F DMA in addition to standard ISA DMA modes Compliant with the PCI2 2 specification the VT83C686B supports delayed transactions and remote power management so that slower ISA peripherals do not block the traffic of the PCI bus Special circuitry 15 built in to allow concurrent operation without causing dead lock even in a PCI to PCI bridge environment The chip also includes eight levels doublewords of line buffers from the PCI bus to the ISA bus to further enhance overall system performance 1 10 O INTERFACE CONTROLLER The motherboa
44. he IDE controller is SFF 8038I v1 0 and Microsoft Windows family compliant 2 Universal Serial Bus controller that is USB v1 1 and Universal HCI v1 1 compliant The VT82C686B includes the root hub with four function ports with integrated physical layer transceivers The USB controller allows hot plug and play and isochronous peripherals to be inserted into the system with universal driver support The controller also implements legacy keyboard and mouse support so that legacy 14 Motherboard Description e SY 7VCA2 software can run transparently in non USB aware operating system environment 3 Keyboard controller with PS2 mouse support 4 Real Time Clock with 256 byte extended CMOS In addition to the standard ISA RTC functionality the integrated RTC also includes the date alarm century field and other enhancements for compatibility with the ACPI standard 5 Hardware monitoring subsystem for managing system motherboard voltage levels temperatures and fan speeds 6 Full System Management Bus SMBus interface 7 Two 16550 compatible serial I O ports with infrared communications port option A third serial port is available to be dedicated to the IR interface 8 Integrated PCI mastering dual full duplex direct sound AC97 link compatible sound system Hardware soundblaster pro and hardware assisted FM blocks are included for Windows DOS box and real mode DOS compatibility Loopback capability is also implemented for directin
45. he CMOS via JP5 and if it still does not work please upgrade your motherboard bios to the latest version BIOS Issues Where can I find the BIOS revision of my mainboard It will be displayed on the up left corner on the screen during boot up It will show as your board type followed by the revision number such as SEH_2CA1 meaning revision 2CA1 for the SY 5EH board or 6BA IV 2AA2 which means SY 6BA IV motherboard with 2 2 bios Where can I find the latest BIOS of my motherboard Please go to the technical support page of one of the SOYO websites Taiwan WWW SOVO COm twW and look up your motherboard to find the latest BIOS revision Hard disk floppy drive CD ROM etc When I boot up my new computer I got floppy boot failure and the LED on the floppy stays on Make sure the red wire of floppy ribbon cable goes to Pinl on the floppy drive side don t trust the key lock or notch and use the end connector of the cable don t use middle one Modem issues I get an T O Conflict message when I turn on my system and I can not get my modem to work 47 Hardware Installation Ssy 7VCA2 What you need to do is to disable or UART2 or serial port 2 in the bios under integrated peripheral setup I have installed my modem drivers several times and I still cannot get my modem to work Why If you are sure that the modem driver has been installed correctly then you need to install the south bridge driver from
46. ition the front side bus speed 100 and 133 MHz is automatically selected The motherboard supports all current Socket 370 processor speeds voltages and bus frequencies 1 7 1 Microprocessor Packaging The CPU is packaged in a 370 pin PGA package A fan must be used to ensure adequate cooling 1 7 2 Second Level Cache The second level cache 18 located on the substrate of the CPU package The cache includes OKB 128KB or 512 KB of synchronous pipelined burst static RAM AII supported onboard memory can be cached 1 7 3 Microprocessor Upgrades The motherboard can be upgraded with Socket 370 processors that run at higher speeds When upgrading the processor use the BIOS configuration mode to change the processor speed Motherboard Description e SY 7VCA2 1 8 MEMORY 1 8 1 Main Memory The motherboard has three DIMM sockets SDRAM can be installed in one two or three sockets Using the serial presence detect SPD data structure programmed into on the DIMM the BIOS determine the SDRAM s size and speed Minimum DIMM memory size 15 8 MB maximum DIMM memory size is 256 512 MB Memory size and speed can vary between sockets The motherboard supports the following memory features DRAM interface synchronous with host CPU 66 100 133 2 AGP 66MHz for most flexible configuration DRAM interface may be faster than CPU by 33 MHz to allow use of 100 memory modules with 66MHz Celeron or u
47. lease choose your motherboard and press OK Now the SOYO CD Start Up Menu will be shown Please Select Your Board LI 7000 7IWB 7IWB V1 0 7IWM 7IWM L VI SOYO CD Start Up Program Menu 91 Drivers installation Ssy 7VCA2 If you use Windows 95 or 98 the SOYO CD Start Up Program automatically detects which SOYO Motherboard you own and displays the corresponding model name the manual Install drivers Check the latest releases Microsoft Direct SovYo Bost information p The user s manual files included on the SOYO CD are in PDF Postscript Document format In order to read a PDF file the appropriate Acrobat Reader software must be installed in your system Note The Start Up program automatically detects if the Acrobat Reader utility 15 already present in your system and otherwise prompts you on whether or not you want to install it You must install the Acrobat Reader utility to be able to read the user s manual file Follow the instructions on your screen during installation then once the installation is completed restart your system and re run the SOYO CD 92 Drivers installation Ssy 7VCA2 Step 2 Install Drivers and Utilities Click the Install Drivers button to display the list of drivers software that can be installed with your Motherboard The Start Up program displays the drivers available for the particular model of Motherboard
48. m its protective anti static packaging To ground yourself grasp the expansion slot covers or other unpainted portions of the computer chassis gt Frequently ground yourself while working or use a grounding strap gt Handle the Motherboard by its edges and avoid touching its components Motherboard Description e SY 7VCA2 1 5 pm KB PS 2 Mous Connector C nn ct o Socket 370 _ 69 ge ATX Power Oo eo M CPUFAN D 159 47 mi 95 o9 29 See COM2 EEEE AUDIO OUT 7 LINE IN IDE 1 IDE 2 DIMM 1 AGP Slot RR LULA ELE EE EET T ELT 97 PCI Slot 1 5 nn 1 1 4 1 4 sunu 7225 _ _ Slot 3 VT82C686B Flash BIOS PCI Slot 4 mum a 5 SIRCON 1 5 6 10 PCI Slot 5 09800 USB2 E Power 5 D Speaker 1 8 AAA LE ISA Slot 7 3 Be eae ae ee CHAFAN t E Reset PWRBT STR HDD LED LED
49. n to the appropriate power connector on the Motherboard The fan is a key component that will ensure system stability The fan prevents overheating therefore prolonging the life of your CPU 2 3 1 1 CPU Fan Installation Your Socket 370 processor kit comes with a cooling fan Mount the fan on the processor according to the instructions provided by the manufacturer The fan is a key component that will ensure system stability The fan prevents overheating therefore prolonging the life of your CPU Note Remember to connect fan to the appropriate power source 9 25 Hardware Installation Ssy 7VCA2 2 3 2 SDRAM Memory Module Installation 81 Ei E DIMM 1 _ f DIMM 2 f 14 Your board comes with three DIMM sockets providing support for up to 1 5GB of main memory using unbuffered and registered DIMM modules from 8MB to 512MB On this motherboard DRAM speed can be set independent from the CPU front side bus speed Depending on the DRAM clock speed setting in the BIOS setup Chapter 3 appropriate memory modules must be used For 66MHz DRAM speed use PC66 memory for 100MHz DRAM speed use PC100 memory for 133MHz DRAM speed use PC133 memory
50. ng sure that any virus is unable to program the system BIOS Set to disable the BIOS can be programmed the traditional way 3 1 3 L2 Cache Memory Setting Description Note CPU L2 Default If set to Default the CPU Default Latency Manual default value for L2 cache Control latency is used set to manual the Latency Value item will allow you to specify a latency value CPU L2 1 15 If the item above is set to Latency Value manual a latency value ranging from 1 to 15 can be set The smaller the number the faster the performance However the system may become unstable at higher speeds CPU L2 Cache Disabled ECC Checking Enabled This option activates the CPU Default L2 cache ECC checking function 57 BIOS Setup Utility Ssy 7VCA2 3 1 4 Processor Number Feature Setting Description Note Processor Disabled Setting this item to enabled will allow Default Enabled application programs to read the ID code your Pentium CPU disabling this item will not allow any program to read the CPU ID code 3 1 5 Vcore voltage Setup Vcore voltage Setting Description Note Setup eS Vcore voltage Normal Default Adjust 41 596 CPU notifies the board of what core voltage 43 095 1t requires by its VID outputs The on board 445 voltage regulator uses the VID code to set the 460 Core voltage If the Vcore Voltage Adjust is set to normal the Vcore will be
51. nter Select the Security Options item and set the field to a System The password is required every time the system 15 booted This means only a person who knows the password can use this computer b Setup The password is required only when you attempt to enter the BIOS Setup program 2 Choose SUPERVISOR PASSWORD from the Main Menu and press Enter The following prompt appear Enter Password Warning you forget or lose the password the only way to access the system 15 to set jumper JP5 to clear the CMOS RAM setup information is lost and you must run the BIOS setup program again Note If you do not wish to use the password function press Enter directly and the following message appears Password Disabled i E Password Disabled 88 BIOS Setup Utility Ssy 7VCA2 3 Enter your new password and press Enter The following message appears prompting to confirm the new password Confirm Password 4 Re enter your password and then press Enter to exit to the Main Menu This diagram outlines the password selection procedure Press lt Enter gt without entering the password Password and Press lt Enter gt Enter Password s Confirm Password x After you confirm the password press lt Esc gt to exit lt 3 12 USER PASSWORD When the user password option is on you are not
52. ort Default 76 BIOS Setup Utility Ssy 7VCA2 3 6 POWER MANAGEMENT SETUP The POWER MANAGEMENT SETUP sets the system s power saving functions CMOS Setup Utility Copyright 1984 2000 Award Software Power Management Setup Power Management Item Help ACPI Suspend Type PM Control by APM Video Option Video Off Method MODE Use IRQ Soft Off by PWRBTN State After Power Failure Wake Up Events Menu Level gt AVD gt lt Move Enter Select PU PD Value 10 5 ESC Exit F1 General Help F5 Previous Values F6 Fail Safe Defaults F7 Optimized Defaults CMOS Setup Utility Copyright 1984 1999 Award Software Wake Up Events VGA Item Help LPT amp COM PCI Master PowerOn by PCI Card Modem Ring Resume RTC Alarm Resume Primary INTR gt IRQs Activity Monitoring AVD gt lt Move EnterSelect PU PD Value F10 Save ESC Exit F1 General Help F5 Previous Values F6 Fail Safe Defaults F7 Optimized Defaults BIOS Setup Utility Ssy 7VCA2 After you have completed the Power Management Setup press Esc to return to the Main Menu 3 6 1 Power Management Controls Power Setting Description Management Controls Power Lets you define the HDD and Default Management system power down times Doze Standby Suspend HDD timer timer timer power down Min Saving 1 Hour 1 Hour 1 Hour 15 Min Max Saving 1 Min 1Min 1 1 Min Yes When enabled an Advanced
53. ossible floppy drive types 720 KB 1 2 MB 1 44 MB 2 88 MB and LS 120 Connect one side of the 34 pin flat cable to the floppy drive and plug the other end to the floppy drive connector on the Motherboard This Motherboard can support up to 2 floppy drives 2 Hardware Installation Ssy 7VCA2 2 3 3 3 Front Panel Connections LED Speaker _ 41 Reset PWRBTSTRHDD LED LED Plug the computer case s front panel devices to the corresponding headers on the Motherboard 1 Power LED Please install according to the following pin assignment pin 1 3 are for Power LED Power LED Pin Assignment 2 La 30 Hardware Installation Ssy 7VCA2 2 Reset Plug the Reset push button cable into the 2 pin Reset header on the Motherboard Pushing the Reset button on the front panel will cause the system to restart the boot up sequence Reset Pin Assignment 1 Power Good GND 3 Speaker Attach the 4 pin PC speaker cable from the case to the Speaker header on the Motherboard Speaker Pin Assignment owl out 4 IDE LED Attach the 2 pin IDE device LED cable to the corresponding IDE LED header on the Motherboard This will cause the LED to light up when an IDE HDD CD ROM device 15 active HDD LED Pin Assignment LE
54. ower supply can take at least 720 mA load on 5V Standby lead S VSB to meet the standard ATX specification Note If you use Wake On LAN WOL function make sure power supply can support at least 720 mA on 5V Standby lead 5VSB 41 Hardware Installation Ssy 7VCA2 Please install ATX power according to the following assignment ATX Power 12V 5V 5VSB 5V PW OK 5V GND GND om aw Pay special care to the directionality GND GND 5V PS ON GND GND 3 3V 12V 3 3V 3 3V 2 3 3 8 AMR Audio Modem Riser Connector This motherboard supports AMR Audio Modem Riser slot that facilitates audio or modem riser card expansion Since AC97 audio codec is built in down on the motherboard only Secondary mode modem riser MR card can be used on the AMR slot 42 Hardware Installation Ssy 7VCA2 2 3 4 CMOS Clearing JP5 After you have turned off your computer clear the CMOS memory by momentarily shorting pins 2 3 on jumper JP5 for a few seconds Then restore JP5 to the initial 1 2 jumper setting in order to recover and retain the default settings Jumper JP5 can be easily identified by its whi
55. r On Reset password can be specified in the BIOS Setup program The keyboard controller also supports the hot key sequence lt Ctrl gt lt Alt gt lt Del gt software reset This key sequence resets the computer s software by jumping to the beginning of the BIOS code running the Power On Self Test POST 1 10 5 Infrared Support On the front panel I O connector there are six pins that support Hewlett Packard HSDL 1000 compatible infrared IR transmitters and receivers In the Setup program Serial Port B can be direct4d to a connected IR device In this case the Serial Port B connector on the back panel cannot be used The IR connection can be used to transfer files to or from portable devices like laptops PDAs and printers The Infrared Data Association IrDA specification supports data transfers of 115 Kbits sec at a distance of 1 meter 1 11 HARDWARE MONITOR The optional hardware monitor subsystem provides low cost instrumentation capabilities The features of the hardware monitor 18 Motherboard Description e SY 7VCA2 subsystem include gt Anintegrated ambient temperature sensor gt Fan speed sensors which monitor the fan 1 and fan 2 connector Power supply voltage monitoring to detect levels above or below acceptable values When suggested ratings for temperature fan speed or voltage are exceeded an interrupt 15 activated The hardware monitor component connects to the SMBus 1 12 WAKE ON LA
56. rd uses the VT82C686B Super I O controller which features Supports 2 serial ports IR port parallel port and floppy disk controller functions gt Two UARTS for Complete Serial Ports Even odd stick or no parity bit generation and detection Programmable baud rate generator High speed baud rate 230Kbps 460Kbps support Independent transmit receiver FIFOs Modem Control Plug and play with 96 base IO address and 12 IRQ options gt dedicated IR port Third serial port dedicated to IR function function either through the two complete serial ports or third dedicated port nfrared IrDA HPSIR and ASK Amplitude Shift Keyed IR gt Multi mode parallel port Standard mode ECP and EPP support Plug and play with 192 base IO address 12 IRQ and 4 DMA options gt Floppy Disk Controller 16bytes of FIFO 16 Motherboard Description e SY 7VCA2 Data rates up to 1Mbps Perpendicular recording driver support Two FDDs with drive swap support Plug and play with 48 base IO address 12 IRQ and 4 DMA options The Setup program provides configuration option for the I O controller 1 10 1 Serial Ports The motherboard has two 9 pin D Sub serial port connectors located on the back panel The NS16C5450 compatible UARTs support data transfers at speeds up to 115 2 Kbits sec with BIOS support 1 10 2 Parallel Port The connector for the multimode bi directional parallel
57. ress the lt DEL gt key during the system diagnostic checks to enter the Award BIOS Setup program The CMOS SETUP UTILITY will display on screen Then select the SOYO COMBO SETUP option from the main menu and press the lt Enter gt key CMOS Setup Utility Copyright 1984 2000 Award Software Soyo Combo Feature CPU PCI Frequency CPU Ratio Auto detect DIMM PCI Clk HW Default X3 Enabled Item Help N 9 Move Spread Spectrum C I H 4 WAY Protection CPU L2 Latency Control x CPU L2 Latency Value CPU L2 Cache ECC Checking Processor Number Feature Vcore Voltage Adjust Quick Power On Self Test First Boot Device Second Boot Device Third Boot Device Boot Other Device OnChip Sound OnChip Modem Enter Select F5 Previous Values Disabled Enabled Default 0 Enabled Disabled Normal Enabled Floppy HDD 0 LS ZIP Enabled PU PD Value F6 Fail Safe Defaults Menu Level gt F10 Save ESC Exit F1 General Help F7 Optimized Defaults The SOYO COMBO SETUP menu combines the main parameters that you need to configure all in one menu for a quick setup in BIOS 55 BIOS Setup Utility 3 1 1 Quick CPU Frequency Setup Ssy 7VCA2 Quick CPU Frequency Setup Setting HW Default 66 33 MHz 68 34 MHz 75 37 MHz 80 40 MHz 83 41 MHz 85 28 MHz 90 30 MHz 95 31 MHz 100 33 MHz CPU Host PCI Clock 103 34 MHz 105 35 MHz 109 36 MHz 112 37 MHz 114 38 MHz
58. rises A x means the LED is off a L means the LED is lit Code Explanation Initialization of the chipset The North Bridge and South Bridge registers will be set to the most conservative values by the BIOS to make sure the system boots up properly The BIOS is now decompressing the BIOS code into shadow RAM Most of the BIOS code is stored in the BIOS Flash ROM IC in compressed form to ps ps pz pr save space At boot up this code is decompressed and stored to RAM for faster execution L The checksum for the decompressed code is calculated and checked The checksum is calculated by adding all data bytes together and storing the result in the BIOS ROM If the calculated checksum is different from the checksum stored the ROM the code stored the FLASH ROM 15 corrupted The chipset North Bridge and South Bridge registers are set to the values D amp D3 p2 selected by the user Now the BIOS will set the CPU Vcore voltage and the FSB bus frequency to the user selected value If the system stops at this point the settings selected by the user are inappropriate Please select more conservative settin 03 02 01 selected in BIOS for Hardware Monitor are written into the Hardware Monitor registers If the VGA card does not work or is not inserted at all the system will display 1 this code for a short period of time At this point the BIOS is initializing the CPU The L2 cache latency values are ID8 D3 D2
59. rning If you run into any problem after changing the BIOS configuration please load the SETUP DEFAULTS for stable performance 86 BIOS Setup Utility amp sy 7VCA2 3 10 LOAD OPTIMIZED DEFAULTS Select the Load Optimized Defaults option from the Main Menu to load the system values you have previously saved This option 15 recommended if you need to reset the system setup and to retrieve the old values CMOS Setup Utility Copyright 1984 2000 Award Software Soyo Combo Feature PC Health Status gt Standard CMOS Features Load Fail Safe Defaults gt Advanced BIOS Features Load Optimized Defaults Advanced Chipset Features Set Supervisor Password Esc Quit AV gt D gt lt Select Item 210 Save amp Exit Setup Change CPU s Clock amp Voltage Type Y to use the Setup Defaults followed by Enter or otherwise N to return to the Main Menu and keep current values Warning If you run into any problem after changing the BIOS configuration please load the SETUP DEFAULTS for stable performance 87 BIOS Setup Utility Ssy 7VCA2 3 11 SUPERVISOR PASSWORD Based on the setting you have made the Security Option of the BIOS FEATURES SETUP section the password prevents access to the system or the setup program by unauthorized users Follow this procedure to set a new password or disable the password 1 Choose BIOS FEATURES SETUP in the Main Menu and press E
60. rs Setup password is set the password prompt only appears when you attempt to enter the BIOS Setup program 3 3 9 Other Control Options Other Control Setting Description Note Options OS Select for 052 When using an OS2 operating DRAM gt 64MB system Non OS2 When using another Default non OS2 operating system Report No FDD Yes Windows will release line 6 Default For WIN 95 normally used by the Floppy Disk Drive after you disable your on board FDD and set this EMEN field to Yes MEN Windows will reserve INT 6 for your FDD whether it is disabled or not Video BIOS Disabled a Shadow Enabled Default The BIOS is shadowed in a 16K segment if it is enabled and if it has BIOS present These 16 segments can be shadowed from ROM to RAM BIOS shadow copies BIOS code from slower ROM to faster RAM BIOS can then execute from RAM 66 Ssy 7VCA2 sovo BIOS Setup Utility 3 4 ADVANCED CHIPSET FEATURES Caution Change these settings only if you are already familiar with the Chipset The Advanced Chipset Features option changes the values of the chipset registers These registers control the system options in the computer CMOS Setup Utility Copyright 1984 2000 Award Software Advanced Chipset Features Bank 0 1 DRAM Timing Bank 2 3 DRAM Timing Bank 4 5 DRAM Timing DRAM Clock SDRAM 8 10ns SDRAM 8 10ns SDRAM 8 10ns Host CLK Item Help Menu Le
61. se of PC133 with 100MHz Pentium or Pentium DRAM interface may be slower than CPU by 33 MHz to allow use of older memory modules with newer CPUs e g PC66 memory modules with 100MHz Pentium or Pentium Concurrent CPU AGP and PCI access Supports FBEDO SDRAM ESDRAM and VCM SDRAM memory types Different DRAM types may be used in mixed combinations Different DRAM timing for each bank Dynamic Clock Enable control for SDRAM power reduction in high speed system Mixed 1M 2M 4M 8M 16M 32MxN DRAMs 7VCA2 supports 3 DIMMs or 6 banks at 133MHz for 1 5GB max memory Flexible row and column addresses 64 bit data width only 3 3V DRAM interface with 5V tolerant inputs Programmable I O drive capability for MA command and MD signals 10 Motherboard Description e SY 7VCA2 Dual copies of MA signals for improved drive Optional bank by bank ECC single bit error correction and multi bit error detection or EC error checking only for DRAM integrity Two bank interleaving for 16Mbit SDRAM support Two bank and four bank interleaving for 64Mbit SDRAM support Independent SDRAM control for each bank Seamless DRAM command scheduling for maximum DRAM bus utilization e g precharge other banks while accessing the current bank Four cache lines 16quadwords of CPU to DRAM write buffers Four cache lines of CPU to DRAM read prefetch buffers Rea
62. supports optional ECC single bit error correction and multi bit detection or EC error checking capability separately selectable on a bank by bank basis The DRAM controller can run at either the host CPU bus frequency 66 100 133 MHz or at the AGP bus frequency 66 MHz with built in PLL timing control The VT82C694X system controller also supports full AGP v2 0 capability for maximum bus utilization including 4x mode transfers SBA Side Band Addressing Flush Fence commands and pipelined grants An eight level request queue plus a four level post write request queue with thirty two and sixteen quad words of read and write data FIFO s respectively are included for deep pipelined and split AGP transactions A single level GART TLB with 16 full associative entries and flexible CPU AGP PCI remapping control is also provided for operation under protected mode 12 Motherboard Description e SY 7VCA2 operating environments Both Window 95 VxD and Windows 98 NT5 0 mini port drivers are supported for interoperability with major AGP based 3D and DVD capable multimedia accelerators The VT82C694X supports two 32 bit 3 3 5V system buses one AGP and one PCI that are synchronous pseudo synchronous to the CPU bus The chip also contains a built in bus to bus bridge to allow simultaneous concurrent operations on each bus Five levels double words of post write buffers are included to allow for concurrent CPU and PCI operation For PCI master oper
63. t 528 Large Large IDE hard disk for certain hard disk Note If you have any questions on your hard disk type mode ask your hard disk provider or previous user for details 3 2 3 Floppy Drives Floppy Drives Setting Description Note Drives A amp B 360KB 5 25 in 2MB 5 25 20KB 3 5 in 44MB 3 5 Default 88MB 3 5 in Not installed Disabled Default Supports 3 mode Special disk drive floppy diskette commonly used in 740KB 1 2MB Japan 1 44MB on selected disk drive BIOS Setup Utility Ssy 7VCA2 3 2 4 Others Optional Setting Description Note EGA VGA Select the video mode Default CGA 40 CGA 80 MONO Monochrome ALL Errors When the BIOS detects system Default errors this function will stop the All But Keyboard system Select which type of All But Diskette error will cause the system halt All But Disk Key 62 BIOS Setup Utility 3 3 ADVANCED BIOS FEATURES Select the Advanced BIOS Features option from the Main Menu and press Enter key CMOS Setup Utility Copyright 1984 2000 Award Software Anti Virus Protection CPU Internal Cache External Cache Swap Floppy Drive Boot Up Floppy Seek Boot Up NumLock Status Gate A20 Option Typematic Rate Setting Advanced BIOS Features Disabled Enabled Enabled Disabled Enabled On Fast Disabled x Typematic Rate Chars Sec 6 x Typematic Delay Msec Security Option OS Select For DRAM
64. te colored cap Clear CMOS Data Retain CMOS Data Clearing Short pin 2 3 for JP5 Setting least 5 seconds to clear the CMOS Note You must unplug the ATX power cable from the ATX power connector when performing the CMOS Clear operation 2 3 5 Power On You have now completed the hardware installation of your Motherboard successfully 1 Turn the power on 2 To enter the BIOS Setup Utility press the DEL key while the system is performing the diagnostic checks Note If you have failed to enter the BIOS wait until the boot up sequence is completed Then push the RESET button and press DEL key again at the beginning of boot up during diagnostic checks 43 Hardware Installation SSy 7VCA2 Repeat this operation until you get the following screen 3 The BIOS Setup screen appears CMOS Setup Utility Copyright 1984 2000 Award Software Soyo Combo Feature PC Health Status Standard CMOS Features Load Optimized Defaults Advanced BIOS Features Load Fail Safe Defaults gt Advanced Chipset Features Set Supervisor Password Integrated Peripherals Set User Password Power Management Setup Save amp Exit Setup PnP PCI Configurations Exit Without Saving Esc Quit AV gt D gt lt Select Item 210 Save amp Exit Setup Change CPU s Clock amp Voltage 2 3 6 Quick BIOS Setup This Motherboard does not use any hardware jumpers to set the CPU frequency Ins
65. tead CPU settings are software configurable with the BIOS SOYO COMBO SETUP The SOYO COMBO SETUP menu combines the main parameters that you need to configure all in one menu for a quick setup in BIOS After the hardware installation is complete turn the power switch on then press the lt DEL gt key during the system diagnostic checks to enter the Award BIOS Setup program The CMOS SETUP UTILITY will display on screen Follow these steps to configure the CPU settings 44 Hardware Installation Ssy 7VCA2 Step 1 Select STANDARD CMOS SETUP Set Date Time and Floppy drive type then set Hard Disk Type to Auto Step 2 Select LOAD SETUP DEFAULT Select the LOAD SETUP DEFAULT menu and type Y at the prompt to load the BIOS optimal setup Step 3 Select SOYO COMBO SETUP Move the cursor to the CPU Frequency field to set the CPU frequency Available CPU Frequency settings on your SY 7VCA2 Motherboard are detailed in the following table If you set this field to Manual you are then required to fill in the next two consecutive fields 1 the CPU Host PCI Clock and 2 the CPU Ratio CPU Frequency MHz 667MHz 66 x 10 0 600MHz 133 x 4 5 E NEN _ L 700 2 66 x 10 5 666MHz 133 x 5 0 500MHz 100 5 0 0 733MHz 133 x 5 5 L 500MHz 66 x 7 5 650MHz 100 x 6 5 533MHz 66 x 8 0 700MHz 100 x 7 0 11000 2 133 x 7 5 566MHz 66 x 8 5 750MHz 100 x 7 5
66. tem chassis and peripheral devices before performing any work on the Motherboard or system 22 Hardware Installation Ssy 7VCA2 2 3 1 CPU Installation Your SY 7VCA2 motherboard comes with a CPU retention set kit The retention set 18 used to hold the processor attached to the Socket 370 CPU connector on the motherboard Mark your CPU Frequency Record the working frequency of your CPU that should be clearly marked on the CPU cover FSB 66MHz 66 x 6 0 _ 466MHz 66 x7 0 _ 533MHz 66 x 8 0 600 66 x 9 0 _J667MHz 66 x 10 0 66 x 6 5 _JSOOMHz 66 x7 5 L__S66MHz 66 x 8 5 633 2 66 x 9 5 _ J700MHz 66 x 10 5 FSB 100MHz FSB 133MHz 533MHz 133x4 0 _ 667MHz 133x5 0 _ J800MHz 133x 6 0 L 933MHz 133x 7 0 _ 13GHz 133x 8 5 1600MHz 133x4 5 _ 733MHz 133x5 5 _ 866MHz 133x 6 5 000MHz 133x 7 5 _ CPU Mount Procedure To mountthe Pentium 8 amp Celeron processor amp VIA Cyrix processor that you have purchased separately follow these instructions 1 Lift the socket handle up to a vertical position 23 Hardware Installation amp sy 7VCA2 2 Align the blunt edge of the CPU with the matching pinhole distinctive edge on the socket 3 Seat the processor in the socket completely and without forcing 4 Then close the socket handle to secure the CPU in place 24 Hardware Installation Ssy 7VCA2 Remember to connect the CPU Cooling Fa
67. the SOYO CD this is because Windows does not properly recognize relatively new chipsets Audio Issues I do not get any sound from my sound card What could be wrong Please make sure the speaker is connected to the speaker out port on your sound card In Device Manager I keep getting yellow exclamation signs on my sound port even though I have installed my sound driver several times and I could not get my sound card to work What is wrong It is likely that you did not have the correct driver installed If you are sure that the correct sound driver has been installed then please install the south bridge driver for the motherboard The sound is working in my system but when I play CD music from the CD ROM I do not get any sound What is wrong This is because the 3 wire audio cable from the CD ROM to the sound card is not connected or it is loose The sound from my sound card is distorted when Windows starts What is wrong First if you are using an ISA sound card please make sure the IRQ needed for the sound card 15 set to Legacy ISA in the bios In other words if your ISA sound card takes then set IRQ5 to Legacy ISA Next install the south bridge driver for the motherboard The sound and everything else works fine except that the recorder and microphone do not work What is wrong 48 Hardware Installation Ssy 7VCA2 This is because the recorder and microphone in the Windows are not enabled
68. this function 73 BIOS Setup Utility 3 5 4 FDC Controls FDC Controls Setting amp sy 7VCA2 Description Onboard FDD Disabled Turn off the on board controller Enabled 3 5 5 Onboard Serial Ports Onboard Serial Setting Onboard Disabled Serial Port 1 3FS IRQ4 Serial Port 2 2F8 IRQ3 4 2E8 IRQ3 Auto UART 2 Mode Standard HPSIR ASKIR floppy controller Use the on board floppy controller Description Default Note Choose serial port 1 amp 2 s I O Default address Do not set port 1 amp 2 to the same address except for Disabled or Auto The second serial port offers these InfraRed interface modes If UART Mode Select is set to IIDA ASKIR IR Function Half Duplex Full TX RX inverting No Yes enable No No Yes No Yes Yes Choose Half or Duplex to set UR2 in half duplex mode or full duplex mode respectively Refer to your IR device specifications to select the suitable mode This item allow you to enable the TX RX inverting which depends on different H W requirement This field is not recommended to change its default setting for avoiding any error in your system 74 port 1 Default port 2 Default Default Default BIOS Setup Utility Ssy 7VCA2 3 5 6 Onboard Parallel Ports Onboard Parallel Setting Description Ports Onboard Parallel Disabled Choose the printer I O Port 378 IRQ7 address Default 3BC IRQ7 2
69. u have a USB keyboard When this field 1s Enabled writes from the CPU to the PCI bus are Default buffered to compensate for the speed differences between the CPU and the PCI bus When Disabled the writes are not buffered and the CPU must wait until the write 15 complete before starting another write cycle When Enabled every write transaction goes to the write buffer Default Burstable transactions then burst on the PCI bus and nonburstable transactions don t 70 BIOS Setup Utility CHIPSET FEATURES SETUP Continued Ssy 7VCA2 CHIPSET Setting WS Write Enabled PCI Delay Disabled Transaction Enabled 2 Access Disabled 1 Retry Enabled AGP Master 1 Disabled WS Write Enabled AGP Master 1 Disabled WS Read Enabled Memory Disabled Parity ECC Enabled Description Note When Enabled writes to the PCI Default bus are executed with zero wait States The chipset has an embedded 32 bit posted write buffer to support delay Default transactions cycles Select Enabled to support compliance with PCI specification version 2 1 When disabled PCI 2 will not be disconnected until access finishes Default difault When enabled PCI 2 will be disconnected if max retries are attempted without success Default When Enabled writes to the AGP Accelerated Graphics Port are executed with one wait states Default When Enabled read to the AGP Accelerated Graphics Port are
70. ue F10 Save ESC Exit F1 General Help F5 Previous Values F6 Fail Safe Defaults F7 Optimized Defaults Note Starred items will disappear when the Resources 3 Controlled By option is set to Auto 84 BIOS Setup Utility Ssy 7VCA2 3 8 1 CPU Device Monitoring CPU Device Setting Description Note Monitoring Current CPU Show the current status of CPU temperature Current System Show current status of C F Temp system temperature Current oC op Show the current status of CPU CPUFAN Speed Fan Show the current status of the chassis Fan Vcore 2 5V V Show the current voltage status 3 3V 5V 12V 85 BIOS Setup Utility amp sy 7VCA2 3 9 LOAD FAIL SAFE DEFAULTS Select the Load Fail Safe Defaults option from the Main Menu to load the system values you have previously saved This option 15 recommended if you need to reset the system setup and to retrieve the old values CMOS Setup Utility Copyright 1984 2000 Award Software Soyo Combo Feature PC Health Status gt Standard CMOS Features Load Fail Safe Defaults Advanced BIOS Features Load Optimized Defaults Advanced Chipset Features Set Supervisor Password Esc Quit V2 Select Item 210 Save amp Exit Setup Change CPU s Clock amp Voltage Type Y to use the Setup Defaults followed by Enter or otherwise N to return to the Main Menu and keep current values Wa
71. ult Size 8M Graphics Port AGP aperture The 16M 32M aperture is a portion of the PCI 128M memory address range dedicated for 256M graphics memory address space Host cycles that hit the aperture range are forwarded to the AGP without any translation AGP 4X Mode Disabled This item allows you to enable Enabled disable the AGP 4X Mode Default AGP Driving Auto This item allows you to adjust the Default Control Manual AGP driving force Choose Manual to key in a AGP Driving Value in the next selection This field 18 recommended to set in Auto for avoiding any error in your system 69 BIOS Setup Utility CHIPSET FEATURES SETUP Continued Ssy 7VCA2 CHIPSET Setting Description Note AGP Driving 0000 This item allows you to adjust the Value 00 AGP Fast Disabled Write Enabled OnChip USB Disabled Enabled USB Disabled Keyboard Enabled CPU to PCI Disabled Write Buffer Enabled PCI Dynmic Disabled Bursting Enabled AGP driving force The VIA chipset will use fast write Default to AGP if this item is enabled Not all AGP cards support fast write This should be enabled if your system has a USB installed on the Default system board and you want to use it Even when so equipped if you add a higher performance controller you will need to disable this feature Default Select Enabled if your system contains a Universal Serial Bus USB controller and yo
72. vel SDRAM Cycle Length Bank Interleave Memory Hole P2C C2P Concurrency Fast R W Turn Around 517 System BIOS Cacheable Video RAM Cacheable AGP Aperture Size 4 Driving Control AGP Fast Write OnChip USB USB Keyboard Support CPU to PCI Write Buffer PCI Dynmic Bursting PCI Master 0 WS Write PCI Delay Transaction PCI 2 Access 1 Retry AGP Master WS Write AGP Master 1 WS Read Memory Parity ECC Check 3 4 Disabled Enabled Enabled 4 Level Disabled Disabled 64M Enabled Disabled Enabled Disabled Enabled Enabled Enabled Enabled Enabled Disabled Disabled Disabled N gt Move PU PD Value F10 Save F6 Fail Safe Defaults ESC Exit F7 Optimized Defaults Enter S elect Fl General Help F5 Previous Values 67 BIOS Setup Utility Ssy 7VCA2 After you have completed the changes press Esc and follow the instructions on your screen to save your settings or exit without saving The following table describes each field in the Advanced Chipset Features Menu and how to configure each parameter 3 4 1 CHIPSET FEATURES SETUP CHIPSET Setting Description Note FEATURES Bank 0 1 2 3 SDRAM item allows you to select the Default 4 5 DRAM 8 10ns value in this field depending on Timing SDRAM whether the board has paged 815 DRAMSs EDO extended data Normal output DRAMs Medium Fast Turbo Host Clock
73. you own We recommend that you only install those drivers driver revision VIA 4 in 1 driver package for Win 9x NT VIA Ac97 Codec Driver for Win 9x NT 2000 VIA hardware monitor for Win 95 98 Cancel Driver Installation Menu A short description of all available drivers follows gt VIA 4in1 driver package The 4 in 1 driver package includes all drivers your motherboard needs After selecting this driver package one driver will be installed automatically the IRQ remapping utility the other three are installed if selected By default all three drivers are selected A description of the 4 drivers follows Master PCI IDE Driver This driver will speed up the data transfer rate to and from the harddisk VxD Driver This driver must be installed in order to be able to make use of the on board AGP Video functionality 93 Drivers installation Ssy 7VCA2 VIA Chipset Functions Registry This driver will make the necessary changes to the Windows registry in order to make sure that Windows has no problems recognizing your VIA chipset IRQ remapping utility This driver is installed automatically This utility will remap the IRQ lines to make sure that everything functions properly under Windows gt Ac97 Codec Driver for Win 9x NT 2000 You have to install the drivers before installing any application for the Ac97 codec gt VIA hardware monitor for Win 9

Soyo SY-7VCA2 Motherboard

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