SOYO SY-7VDA User Manual
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SOYO SY-7VDA User Manual

Via cyrix iii, intel pentium iii & celeron processor supported via pro266 agp/pci motherboard 66/100/133 mhz front side bus supported atx form factor
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SY-7VDA
Motherboard
****************************************************
®
VIA Cyrix III, Intel Pentium
III & Celeron™
Processor supported
VIA PRO266 AGP/PCI Motherboard
66/100/133 MHz Front Side Bus supported
ATX Form Factor
****************************************************
User's Manual

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  • Page 1 SY-7VDA Motherboard **************************************************** ® VIA Cyrix III, Intel Pentium III & Celeron™ Processor supported VIA PRO266 AGP/PCI Motherboard 66/100/133 MHz Front Side Bus supported ATX Form Factor **************************************************** User's Manual...
  • Page 2 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.

  • Page 3: Table Of Contents

    Table of Contents SY-7VDA Table of Contents CHAPTER 1 MOTHERBOARD DESCRIPTION ......1 INTRODUCTION ............1 KEY FEATURES ............1 HANDLING THE MOTHERBOARD ......4 ELECTROSTATIC DISCHARGE PRECAUTIONS ..5 SY-7VDA MOTHERBOARD LAYOUT ......6 SY-7VDA MOTHERBOARD COMPONENTS....7 MICROPROCESSOR............9 MEMORY..............10 CHIPSET ..............11 1-10 I/O INTERFACE CONTROLLER .........15 1-11 HARDWARE MONITOR..........18...
  • Page 4 INTEGRATED PERIPHERALS ........71 POWER MANAGEMENT SETUP ........79 PNP/PCI CONFIGURATIONS ........85 PC HEALTH STATUS............88 LOAD FAIL-SAFE DEFAULTS........90 3-10 LOAD OPTIMIZED DEFAULTS........91 3-11 SET SUPERVISOR PASSWORD........92 3-12 SET USER PASSWORD ..........93 3-13 IDE HDD AUTO DETECTION ........94 CHAPTER 4 THE SOYO CD ............96...

  • Page 5: Chapter 1 Motherboard Description

    SY-7VDA as well. Ø CPU SETTINGS The SY-7VDA 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.
  • Page 6 2.0x, 2.5x, 3.0x, 3.5x, 4.0x, 4.5x, 5.0x, 5.5x, 6.0x, 6.5x, 7.0x, 7.5x and 8.5x Ø EXPANDABILITY The SY-7VDA provides all the 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...

  • Page 7: Hardware Monitor

    The SY-7VDA supports booting from devices such as CD-ROM. Power on by modem or alarm If the SY-7VDA 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.

  • Page 8: Handling The Motherboard

    Motherboard Description SY-7VDA following underlines the reliability of the SY-7VDA, a motherboard to trust. PC99, ACPI compliant Ø USER FRIENDLY SOYO Combo Setup Jumperless design You can set up the following options through the BIOS setup  CPU FSB frequency ...

  • Page 9: Electrostatic Discharge Precautions

    Motherboard Description SY-7VDA 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.

  • Page 10: Sy-7Vda Motherboard Layout

    Motherboard Description SY-7VDA 1-5 SY-7VDA MOTHERBOARD LAYOUT PS/2 KB PS/2 Mouse Connector Connector USB 2 USB 1 COM 1 ATX Power SDRAM ® COM 2 VT8633 AGAME SDRAM AOUT IDE 1 IDE 2 AMIC AGP Slot VT1611A PCI Slot #1...

  • Page 11: Sy-7Vda Motherboard Components

    Motherboard Description SY-7VDA 1-6 SY-7VDA MOTHERBOARD COMPONENTS SDRAM ® SDRAM...
  • Page 12 Motherboard Description SY-7VDA CPU Cooling Fan Connector ATX Power Supply Connector Socket 370 Connector Via VT8633 North Bridge chip DDR DIMM Banks Bus Mastering e-IDE/ATAPI Ports 32-bit AGP Slot 32-bit PCI Mastering Slots Via VT8233 South Bridge Chip Floppy Disk Drive (FDD) Port...

  • Page 13: Microprocessor

    Motherboard Description SY-7VDA 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 addition, the front side bus speed (100 MHz and 133 MHz) is automatically selected. The motherboard supports all current Socket 370 processor speeds, voltages, and bus frequencies.

  • Page 14: Memory

    Motherboard Description SY-7VDA 1-8 MEMORY 1-8.1 Main Memory The motherboard has three DDR DIMM sockets. DDR RAM can be installed in one, two, or three sockets. Using the serial presence detect (SPD) data structure, programmed into an E²PROM on the DDR DIMM, the BIOS can determine the DDR RAM’s size and speed.

  • Page 15: Chipset

    Motherboard Description SY-7VDA − Supports DDR SDRAM CL 2/2.5/3 and 1T/per command − Decoupled and burst DRAM refresh with staggered RAS timing. − CAS before RAS or self refresh 1-9 CHIPSET Ø VT8633 The Pro266 chipset is a high performance, cost-effective and energy...
  • Page 16 Motherboard Description SY-7VDA correction and multi-bit detection) or EC (error checking) capability separately selectable on a bank-by-bank basis. The DRAM controller can run either synchronous or pseudo-synchronous mode with the host CPU bus frequency (66 / 100 / 133 MHz).
  • Page 17 Motherboard Description SY-7VDA The 352-pin Ball Grid Array VT8233 Client V-Link PCI / LPC controller supports four levels (doublewords) of line buffers, type F DMA transfers and delay transaction to allow efficient PCI bus utilization and (PCI-2.2 compliant). The VT8233 integrated PCI controller and PCI arbitration for up to five PCI slots.
  • Page 18 Motherboard Description SY-7VDA based processor to V-Link bus bridge functionality to make a complete Microsoft PC99-compliant PCI/ISA system. In addition to complete ISA extension bus functionality, the VT8233 includes standard intelligent peripheral controllers: a) IEEE 802.3 compliant 10 / 100 Mbps PCI bus master Ethernet MAC with standard MII interface to external PHYceiver.

  • Page 19: I/O Interface Controller

    Motherboard Description SY-7VDA CPU clock throttling and stop (Intel processor protocol), PCI bus clock stop control, modular power, clock and leakage control, hardware-based and software-based event handling, general purpose I/O, chip select and external SMI. g) Full System Management Bus (SMBus) interface.

  • Page 20: Serial Ports

    Motherboard Description SY-7VDA  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 Ø One dedicated IR port ...

  • Page 21: Diskette Drive Controller

    Motherboard Description SY-7VDA Bi-directional EPP. A driver from the peripheral manufacturer is 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.

  • Page 22: Hardware Monitor

    Motherboard Description SY-7VDA 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 are protected with a fuse that prevents motherboard components from being damaged when an over-current condition occurs.

  • Page 23: Wake On Lan Technology

    Motherboard Description SY-7VDA subsystem include: Ø An integrated ambient temperature sensor Ø Fan speed sensors, which monitor the fan 1 and fan 2 connector. Ø 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 is activated.

  • Page 24: Chapter 2 Hardware Installation

    SY-7VDA Chapter 2 HARDWARE INSTALLATION Congratulations on your purchase of SY-7VDA 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.

  • Page 25: Unpacking The Motherboard

    BIOS Setup Utility SY-7VDA UNPACKING THE MOTHERBOARD When unpacking the Motherboard, check for the following items: u The SY-7VDA PRO266 AGP/PCI Motherboard u The Quick Start Guide u The Installation CD-ROM u SOYO Bonus Pack CD-ROM u One IDE Device ATA 66 Flat Cable...

  • Page 26: Installation Guide

    BIOS Setup Utility SY-7VDA 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, system chassis, and peripheral devices before performing any work on the Motherboard or system.

  • Page 27: 2-3.1 Cpu Installation

    BIOS Setup Utility SY-7VDA 2-3.1 CPU Installation Your SY-7VDA motherboard comes with a CPU retention set kit. The retention set is used to hold the processor attached to the Socket 370 CPU connector on the motherboard. Record the working frequency of Mark your CPU Frequency: your CPU that should be clearly marked on the CPU cover.
  • Page 28 BIOS Setup Utility SY-7VDA Align the blunt edge of the CPU with the matching pinhole distinctive edge on the socket. Seat the processor in the socket completely and without forcing. Then close the socket handle to secure the CPU in place.
  • Page 29 BIOS Setup Utility SY-7VDA Remember to connect the CPU Cooling Fan 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.

  • Page 30: 2-3.2 Ddr Ram Memory Module Installation

    BIOS Setup Utility SY-7VDA 2-3.2 DDR RAM Memory Module Installation SDRAM ® SDRAM Your board comes with three DIMM sockets, providing support for up to 3GB of main memory using unbuffered and registered DIMM modules from 64MB to 1GB. On this motherboard, DRAM speed can be set independent from the CPU front side bus speed.
  • Page 31 BIOS Setup Utility SY-7VDA Memory Configuration Table Number of Memory DIMM 1 DIMM 2 DIMM 3 Modules RAM Type DDR RAM Memory Module Size 64 / 128 / 256 / 512 / 1024 MB (MB)

  • Page 32: 2-3.3 Motherboard Connector

    BIOS Setup Utility SY-7VDA 2-3.3 Motherboard Connector 2-3.3.1 IDE Device Installation (HDD, CD-ROM) SDRAM ® SDRAM Pin -1 IDE 1 IDE 2 Secondary Primary This Motherboard offers two primary and secondary IDE device connectors (IDE1, IDE2). It can support up to four high-speed Ultra DMA 33/66/100HDD or CD-ROM.

  • Page 33: Floppy Drive Installation

    BIOS Setup Utility SY-7VDA 2-3.3.2 Floppy Drive Installation SDRAM ® SDRAM Pin -1 Floppy Drive Connector The system supports 5 possible 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.
  • Page 34 BIOS Setup Utility SY-7VDA 2-3.3.3 Front Panel Connections Power Reset SDRAM ® SDRAM PWRBT Key Lock Speaker 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.
  • Page 35 BIOS Setup Utility SY-7VDA 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 Power Good 3.
  • Page 36 BIOS Setup Utility SY-7VDA 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 Power On/Off 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.
  • Page 37 BIOS Setup Utility SY-7VDA 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 COM1/COM2 9-pin male connectors located at the rear panel of the Motherboard.

  • Page 38: Usb3 Usb

    BIOS Setup Utility SY-7VDA 5. Universal Serial Bus USB1/USB2 (USB3/USB4 ¡ F U SB5/USB6) This Motherboard provides four USB ports for your additional devices. Plug the USB device jack into the available USB connector USB1 or USB2. Standard device drivers come with the Win98 for commonly used USB devices.
  • Page 39 BIOS Setup Utility SY-7VDA 6. Onboard Game port/audio This Motherboard provides Joystick port and audio. Attach the joystick cable to the 15-pin GAME 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...
  • Page 40 BIOS Setup Utility SY-7VDA 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.
  • Page 41 BIOS Setup Utility SY-7VDA 2. Standard Infrared (SIRCON) Plug the 5-pin infrared device cable to the SIRCON header. This will enable the infrared transfer function. This Motherboard meets both the ASKIR and HPSIR specifications. Please install according to the following pin assignment:...
  • Page 42 BIOS Setup Utility SY-7VDA 3. 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.)
  • Page 43 BIOS Setup Utility SY-7VDA (2) Chassis Cooling Fan (CHAFAN1,CHAFAN2) 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...
  • Page 44 BIOS Setup Utility SY-7VDA 4. CD Line-in (CDIN1,CDIN2) This Motherboard provides two CD-Line in connectors. Please connect the 4-pin audio cable from your CD-ROM drive to either CDIN1 or CDIN2. (It fits in only one, depending on the cable that came with your CD-ROM...

  • Page 45: Atx Power

    BIOS Setup Utility SY-7VDA 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 SDRAM ® SDRAM Warning: Follow these precautions to preserve your...

  • Page 46: 2-3.4 Cmos Clear (Jp5)

    BIOS Setup Utility SY-7VDA Please install the ATX power according to the following pin assignment: ATX Power 5VSB PW-OK Ø Pay special care to the directionality. PS-ON 3.3V -12V 3.3V 3.3V 2-3.4 CMOS Clear (JP5) In some cases the CMOS memory may contain wrong data, follow the steps below to clear the CMOS memory.

  • Page 47: 2-3.5 Power On

    BIOS Setup Utility SY-7VDA 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.

  • Page 48: 2-3.6 Quick Bios 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 FEATURE]. The [SOYO COMBO FEATURE] combines the main parameters that you need to configure, all in one menu, for a quick setup in BIOS.
  • Page 49 Select the “LOAD OPTIMIZED DEFAULTS” menu and type “Y” at the prompt to load the BIOS optimal setup. Step 3. Select [SOYO COMBO FEATURE] Set the [CPU Frequency Select] field to “Manual”, to be able to change the CPU frequency 1 MHz stepping.

  • Page 50: 2-3.7 Troubleshooting At First Start

    USB keyboard resume function. 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.

  • Page 51: Bios Issues

    5EH_2CA1 (meaning revision 2CA1 for the SY-5EH board) or 6BA+ IV_2AA2 which means SY-6BA+ IV motherboard with 2AA2 bios. Where can I find the latest BIOS of my motherboard? Please go to the technical support page of one of the SOYO websites www.soyo.com.tw (Taiwan: ), and look up your motherboard to find the latest BIOS revision.

  • Page 52: Modem Issues

    Why? If you are sure that the modem driver has been installed correctly, then you need to install the south bridge driver from the SOYO CD, this is because Windows does not properly recognize relatively new chipsets.

  • Page 53: 2-3.8 Power Off

    Then put back the peripherals one by one to identify which one causes the lockup. 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...

  • Page 54: Chapter 3 Bios Setup Utility

    BIOS Setup Utility SY-7VDA 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.
  • Page 55 BIOS Setup Utility SY-7VDA Hot Keys: Function keys give you access to a group of commands throughout the BIOS utility. Function Command Description Gives the list of options available for each General Help item. Previous Restore the old values. These are the values Values that the user started the current session with.

  • Page 56: Save And Exit Setup

    BIOS Setup Utility SY-7VDA SAVE AND EXIT SETUP Select the [SAVE & 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.

  • Page 57: Soyo Combo Setup

    <DEL> 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 <Enter> key.

  • Page 58: Quick Power On Self Test

    BIOS Setup Utility SY-7VDA Quick CPU Frequency Setup Quick CPU Setting Description Note Frequency Setup Auto Detect Disabled When enabled, this item will auto DIMM/PCI Clk Enabled detect if the DIMM and PCI Default socket have devices and will send clock signal to DIMM and PCI devices.
  • Page 59 BIOS Setup Utility SY-7VDA System Boot Control Settings System Boot Setting Description Note Control Settings Floppy Select Your Boot Device First Priority /Second/Third LS/ZIP Boot Device HDD-0 SCSI CDROM HDD-1 HDD-2 HDD-3 Disabled Disabled Select Your Boot Device Boot Other...

  • Page 60: Standard Cmos Setup

    BIOS Setup Utility SY-7VDA 3-2 STANDARD CMOS SETUP Select the [STANDARD CMOS SETUP] option from the Main Menu and press [Enter] key. CMOS Setup Utility – Copyright ( C ) 1984-2001 Award Software Standard CMOS Features Date (mm:dd:yy) Fri, Mar 9 2001...

  • Page 61: Floppy Drives

    BIOS Setup Utility SY-7VDA Hard Disks Type & Mode Choose the type and mode for the hard disks that you have already installed. Primary Setting Description Note (Secondary) Master & Slave Press To auto-detect the HDD’s size, IDE HDD Auto- Enter head …...
  • Page 62 BIOS Setup Utility SY-7VDA Others Optional Setting Description Note EGA/VGA Select the video mode. Default Video CGA 40 CGA 80 MONO (Monochrome) Halt On ALL Errors When the BIOS detects system Default errors, this function will stop the No Errors system.

  • Page 63: Advanced Bios Features

    BIOS Setup Utility SY-7VDA 3-3 ADVANCED BIOS FEATURES Select the [Advanced BIOS Features] option from the Main Menu and press [Enter] key. CMOS Setup Utility – Copyright ( C ) 1984-2001 Award Software Advanced BIOS Features Virus Warning Disabled Item Help...
  • Page 64 BIOS Setup Utility SY-7VDA Cache Memory Options Setting Description Note Disabled CPU Internal Cache Enabled Enables the CPU's internal Default cache. Disabled External Cache Enabled Enables the external Default memory. L2 Cache Memory Setting Description Note Disabled CPU L2 Cache ECC...

  • Page 65: Typematic Settings

    BIOS Setup Utility SY-7VDA Gate A20 Options Setting Description Note Normal Lets chipset control GateA20. Gate A20 Options Fast A pin in the keyboard controller Default controls GateA20. Typematic Settings Typematic Settings Setting Description Note Disabled Keystrokes repeat at a rate...

  • Page 66: Security Option

    BIOS Setup Utility SY-7VDA Security Option Use this feature to prevent unauthorized system boot-up or use of BIOS Setup. The following table describes the security settings. Setting Description Note System Each time the system is booted, Security Option the password prompt appears.

  • Page 67: Advanced Chipset Features

    BIOS Setup Utility SY-7VDA 3-4 ADVANCED CHIPSET FEATURES Select the [Advanced Chipset Features] option from the Main Menu and press [Enter] key. 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.

  • Page 68: Chipset Features Setup

    BIOS Setup Utility SY-7VDA CHIPSET FEATURES SETUP CHIPSET Setting Description Note FEATURES Disabled Default Memory Hole Enabled Some interface cards will map their ROM address to this area. If this occurs, select [Enabled] in this field. System BIOS Disabled Cacheable...
  • Page 69 BIOS Setup Utility SY-7VDA 3-4.1 DRAM Clock/Drive Control Caution: Change these settings only if you are already familiar with the Chipset. The [DRAM Clock/Drive Control] option changes the values of the chipset registers. These registers control the system options in the computer.
  • Page 70 BIOS Setup Utility SY-7VDA DRAM Clock/Drive Control Setting Description Note By SPD Default DRAM Clock This item allows you to /Driver Control HCLK-33M control the DRAM speed. HCLK+33M By SPD Default DRAM Timing If enable the DRAM will auto detect the DRAM timing.

  • Page 71: Agp & P2P Bridge Control

    BIOS Setup Utility SY-7VDA 3-4.2 AGP & P2P Bridge Control Caution: Change these settings only if you are already familiar with the Chipset. The [AGP & P2P Bridge Control] option changes the values of the chipset registers. These registers control the system options in the computer.
  • Page 72 BIOS Setup Utility SY-7VDA 3-4.3 AGP & P2P Bridge Control Setting Description Note AGP Aperture Select the size of Accelerated Default Size Graphics Port (AGP) aperture. The 4M, 8M, aperture is a portion of the PCI 16M, 32M, memory address range dedicated for 128M, graphics memory address space.
  • Page 73 BIOS Setup Utility SY-7VDA 3-4.4 CPU & PCI Bus Control Caution: Change these settings only if you are already familiar with the Chipset. The [CPU & PCI Bus Control] option changes the values of the chipset registers. These registers control the system options in the computer.
  • Page 74 BIOS Setup Utility SY-7VDA CPU & PCI Bus Control Setting Description Note Disabled When this field is Enabled, writes CPU to PCI from the CPU to the PCI bus are Write Buffer Enabled Default buffered, to compensate for the speed differences between the CPU and the PCI bus.

  • Page 75: Integrated Peripherals

    BIOS Setup Utility SY-7VDA 3-5 INTEGRATED PERIPHERALS Select the [Integrated Peripherals] option from the Main Menu and press [Enter] key. Caution: Change these settings only if you are already familiar with the Chipset. The [INTEGRATED PERIPHERALS] option changes the values of the chipset registers.
  • Page 76 BIOS Setup Utility SY-7VDA INTEGRATED PERIPHERALS Setting Description Note All Disabled This should be enabled if OnChip USB All Enabled your system has a USB Default Controller 1&2 USB Port installed on the system 2&3 USB Port board and you want to use it.

  • Page 77: Via Onchip Ide Device

    BIOS Setup Utility SY-7VDA 3-5.1 VIA OnChip IDE Device Caution: Change these settings only if you are already familiar with the Chipset. The [VIA OnChip IDE Device] option changes the values of the chipset registers. These registers control the system options in the computer.
  • Page 78 BIOS Setup Utility SY-7VDA VIA OnChip IDE Device Setting Description Note Disabled Turn off the on-board On-Chip PCI IDE Ø Primary Ø Secondary Enabled Use the on-board IDE Default mode 0-4 0 is the slowest speed Ø Primary Master PIO 4 is the fastest speed Ø...

  • Page 79: Via Onchip Pci Device

    BIOS Setup Utility SY-7VDA 3-5.2 VIA OnChip PCI Device Caution: Change these settings only if you are already familiar with the Chipset. The [VIA OnChip PCI Device] option changes the values of the chipset registers. These registers control the system options in the computer.

  • Page 80: Floppy Controller

    BIOS Setup Utility SY-7VDA 3-5.3 VIA SuperIO Device Caution: Change these settings only if you are already familiar with the Chipset. The [VIA SuperIO Device] option changes the values of the chipset registers. These registers control the system options in the computer.
  • Page 81 BIOS Setup Utility SY-7VDA VIA SuperIO Device Setting Description Note Disabled Onboard Serial Port 1 / 3F8/IRQ4 Choose serial port 1 & 2's I/O Default Serial Port 2 address. (port 1) Do not set port 1 & 2 to the...
  • Page 82 BIOS Setup Utility SY-7VDA VIA SuperIO Device Setting Description Note Disabled Choose the printer I/O Onboard Parallel address. Port 378/IRQ7 Default 278/IRQ5 3BC/IRQ7 Parallel Port Mode The mode depends on your Default external device that connects to this port. ECP+EPP...

  • Page 83: Power Management Setup

    BIOS Setup Utility SY-7VDA 3-6 POWER MANAGEMENT SETUP The [POWER MANAGEMENT SETUP] sets the system's power saving functions. CMOS Setup Utility – Copyright ( C ) 1984-2001 Award Software Power Management Setup ACPI Suspend Type S1 (POS) Item Help Power Management Option...
  • Page 84 BIOS Setup Utility SY-7VDA Power Management Controls Setting Description Note S1(POS) The system will enter the S1 Default ACPI Suspend state during suspend. (Low Type S3(STR) latency wake up) User Define Lets you define the system Default Power power down times.
  • Page 85 BIOS Setup Utility SY-7VDA Power Management Controls (Continued) Setting Description Note Assigns an IRQ# to the modem Default MODEM Use device. 3-11, NA Instant-off Default Soft-Off by PWR-BTTN Delay 4 Sec. Turns off the system power 4 seconds after pushing the power button.
  • Page 86 BIOS Setup Utility SY-7VDA IRQ/Event Activity Detect Setting Description Note Disabled If enabled any PCI interrupt will Default PowerOn by wake up the system. PCI Card Enabled Modem Ring Disabled An input signal on the serial Default Resume Ring Indicator (RI) line (in other...

  • Page 87: Irqs Activity Monitoring

    BIOS Setup Utility SY-7VDA 3-6.1 IRQs Activity Monitoring This option sets the IRQs Activity Monitoring. CMOS Setup Utility – Copyright ( C ) 1984-2001 Award Software IRQs Activity Monitoring Primary INTR Item Help IRQ3 (COM 2) Enabled IRQ4 (COM 1)
  • Page 88 BIOS Setup Utility SY-7VDA IRQs Activity Monitoring Wake Up Setting Description Note Events When set to On, any event occurring Default Primary INTR at will awaken a system which has been powered down. IRQs Activity Primary IRQ3(COM2), IRQ4(COM1), Monitoring IRQ5(LPT2), IRQ6(Floppy Disk),...

  • Page 89: Pnp/Pci Configurations

    BIOS Setup Utility SY-7VDA 3-7 PNP/PCI CONFIGURATIONS This option sets the Motherboard’s PCI Slots. CMOS Setup Utility – Copyright ( C ) 1984-2001 Award Software PnP/PCI Configurations PnP OS Installed Item Help Reset Configuration Data Disabled Menu Level 4 Resources Controlled By...

  • Page 90: Pnp/Pci Configuration Controls

    BIOS Setup Utility SY-7VDA PNP/PCI Configuration Controls PNP/PCI Setting Description Note Controls PnP OS Set this field to [Yes] if you Installed are running Windows 95, which is PnP compatible. If the OS you are running Default (If there is any...
  • Page 91 BIOS Setup Utility SY-7VDA PNP/PCI Configuration Setup (Continued) PNP/PCI Setting Description Note Setup Interrupt How to set the BIOS to release the IRQ to the PnP Interrupt pool: Line PnP / PCI configuration Integrated Peripherals IRQ 15 IRQ 15: PCI / ISA PnP On-Chip Secondary PCI IDE: disabled...

  • Page 92: Pc Health Status

    BIOS Setup Utility SY-7VDA 3-8 PC HEALTH STATUS This option sets the Motherboard's PC Health Status. CMOS Setup Utility – Copyright ( C ) 1984-2001 Award Software PC Health Status CPU Warning Temp. Disabled Item Help Current SYS Temp. 33 º C / 191 º F Current CPU Temp.
  • Page 93 BIOS Setup Utility SY-7VDA CPU Device Monitoring CPU Device Setting Description Note Monitoring CPU Warning Disabled Default Temperature 50°C/122°F Set CPU temperature from 50°C 53°C/127°F to 70°C. The CPU will slow down when CPU temperature 56°C/132°F goes beyond the preset value.

  • Page 94: Load Fail-Safe Defaults

    BIOS Setup Utility SY-7VDA 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 is recommended if you need to reset the system setup and to retrieve the old values.

  • Page 95: Load Optimized Defaults

    BIOS Setup Utility SY-7VDA 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 is recommended if you need to reset the system setup and to retrieve the old values.

  • Page 96: Set Supervisor Password

    BIOS Setup Utility SY-7VDA 3-11 SET SUPERVISOR PASSWORD Based on the setting you have made in 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...

  • Page 97: Set User Password

    BIOS Setup Utility SY-7VDA Enter your new password and press [Enter]. The following message appears, prompting to confirm the new password: Confirm Password: Re-enter your password and then press [Enter] to exit to the Main Menu. This diagram outlines the password selection procedure: ↔...

  • Page 98: Ide Hdd Auto Detection

    BIOS Setup Utility SY-7VDA 3-13 IDE HDD AUTO DETECTION This Main Menu function automatically detects the hard disk type and configures the [Standard CMOS Features] accordingly. CMOS Setup Utility – Copyright ( C ) 1984-2001 Award Software IDE Primary Master...

  • Page 99: Boot Menu

    BIOS Setup Utility SY-7VDA Boot Menu Boot Menu enables user to boot-up on different boot device without going into the BIOS setup. To enable boot Menu, press “ESC” after memory initialization, user will see a device menu, in which user can choose the device they wish to boot from.

  • Page 100: Chapter 4 The Soyo Cd

    System other than Windows 9x or NT. Your SY-7VDA Motherboard comes with a CD-ROM labeled "SOYO CD." The SOYO CD contains (1) the user's manual file for your new Motherboard, (2) the drivers software available for installation, and (3) a database in HTML format with information on SOYO Motherboards and other products.
  • Page 101 Drivers installation SY-7VDA 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 is already present in your system, and otherwise prompts you on whether or not you want to install it.
  • Page 102 Drivers installation SY-7VDA 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 you own. We recommend that you only install those drivers.
  • Page 103 Step 3. 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.

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