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AC’ 97 Audio 
Codec 

The AC’ 97 Audio codec is compliant with the AC’ 97 2.2 
specification, and supports 18-bit ADC (Analog Digital Con-
verter) and DAC (Digital Analog Converter) resolution as well 
as 18-bit stereo full-duplex codec with independent and vari-
able sampling rates. Further features include support for four 
analog line-level stereo inputs. 

Expansion 
Options 

L7VTA has five 32-bit PCI slots, an AGP slot (supports 1.5V 4x 
AGP card only) and CNR (Communications and Networking 
Riser) slot.  

The L7VTA supports Ultra DMA bus mastering with transfer 
rates of 33/66/100/133 MB/sec. 

The Realtek RTL8100B LAN chip is incorporated in the chipset 
providing the mainboard with 10/100Mbps fast Ethernet con-
troller and integrated Ethernet PCI LAN capabilities. 

Onboard LAN 
(optional) 
 

The VT6103 is a Physical Layer device for Ethernet 10BASE-T 
and 100BASE-TX using category 5 Unshielded, Type 1 
Shielded, and Fiber Optic cables. 

• 

Dual Speed – 100/10 Mbps 

• 

Half And Full Duplex 

• 

Meet All Applicable IEEE 802.3, 10Base-T and 100Base-
Tx Standards 

• 

Adaptive Equalizer 

1394a (optional) 

• 

VT6306 PCI 1394a integrated host controller 

• 

Compliant with 1394 open HCI specifications v1.0 and 
v1.1 

• 

Supports provisions of IEEE 1394-1995 standard for high 
performance serial bus and the P1394a supplement 4.0 

• 

32 bit CRC generator and checker for receive and trans-
mit data 

• 

Compliant with PCI specification v2.2 

• 

High-performance bus mastering support 

• 

Provides three 1394a fully compliant cable ports at 
100/200/400 Mbit per second 

Promise 20265 
(optional) 

• 

Supports Ultra ATA100 drives and backward compatible 
with Ultra ATA66/33 & EIDE drives (identical drives rec-
ommended) 

• 

Supports IDE RAID 1 (mirroring) or 0 (striping) 

• 

Supports UDMA 5/4/3/2/1/0, DMA 2/1/0, PIO 4/3/2/1/0 
modes 

• 

Two independent IDE channels support up to four 
UDMA/100/66/33 or EIDE drives 

Integrated I/O 

The mainboard has a full set of I/O ports and connectors: 

• 

Two PS/2 ports for mouse and keyboard 

• 

Two serial port 

• 

One parallel port 

• 

Four USB ports 

• 

One 1394a port (optional) 

• 

Audio jacks for microphone, line-in and line-out 

 

 

 

3 

Summary of Contents for L7VTA

Page 1: ...tested and found to comply with the limits for a Class B digi tal device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in stalled and used in accordance with the instructions may cause harmful interference to ra...

Page 2: ...ference causing Equipment Regulations Cet appareil numérique de la classe B respecte toutes les exigences du Réglement sur le matériel brouilieur du Canada About the Manual The manual consists of the following Chapter 1 Introducing the Mainboard Describes features of the mainboard and provides a shipping checklist Go to page 1 Chapter 2 Installing the Mainboard Describes installation of mainboard ...

Page 3: ...ting Jumpers 8 Checking Jumper Settings 9 Jumper Settings 9 Connecting Case Components 10 Front Panel Connector 12 Installing Hardware 13 Installing the Processor 13 Installing Memory Modules 16 Installing a Hard Disk Drive CD ROM 17 Installing a Floppy Diskette Drive 19 Installing Add on Cards 19 Connecting Optional Devices 21 Connecting I O Devices 25 External Connector Color Coding 26 CHAPTER 3...

Page 4: ...oltage Control 49 Load Fail Safe Defaults 50 Load Optimized Defaults 50 Set Supervisor User Password 50 Save Exit Setup 51 Exit Without Saving 51 CHAPTER 4 52 Using the Mainboard Software 52 About the Software CD ROM 52 Auto installing under Windows 98 ME 2000 XP 52 Running Setup 53 Manual Installation 55 Utility Software Reference 55 iv ...

Page 5: ... commands and pipelined grants The VT8235 Southbridge supports standard intelligent peripheral controllers such as USB v2 0 1 1 and Universal HCI v2 0 1 1 compliant real time clock with 256 byte extended CMOS integrated bus mastering dual full duplex di rect sound AC97 link compatible sound system and full System Management Bus SMBus interface The L7VTA is equipped with advanced full set of I O po...

Page 6: ...r most flexible configuration Integrated Fast Ethernet Controller with 1 10 100 Mbit capability Dual channel UltraDMA 33 66 100 133 master mode EIDE controller Transfer rate up to 133MB sec to cover PIO mode 4 multi word DMA mode 2 drivers and UltraDMA 33 inter face USB v2 0 and Enhanced Host Controller Interface EHCI v1 0 compatible Supports both ACPI Advanced Configuration and Power Interface an...

Page 7: ...eed 100 10 Mbps Half And Full Duplex Meet All Applicable IEEE 802 3 10Base T and 100Base Tx Standards Adaptive Equalizer 1394a optional VT6306 PCI 1394a integrated host controller Compliant with 1394 open HCI specifications v1 0 and v1 1 Supports provisions of IEEE 1394 1995 standard for high performance serial bus and the P1394a supplement 4 0 32 bit CRC generator and checker for receive and tran...

Page 8: ...em case Some features on the mainboard are implemented by cabling connectors on the mainboard to indi cators and switches on the system case Ensure that your case supports all the features required The mainboard can support one or two floppy diskette drives and four enhanced IDE drives Ensure that your case has sufficient power and space for all the drives that you intend to install Most cases hav...

Page 9: ...M Ma ai in nb bo oa ar rd d C Co om mp po on ne en nt ts s 5 ...

Page 10: ...nnel IDE 2 Secondary IDE channel IDE 3 Third IDE channel for ATA 66 100 IDE 4 Fourth IDE channel for ATA 66 100 IR1 Infrared port JP1 Clear CMOS jumper JP3 CPU Frequency jumper JP5 CPU Frequency jumper LED11 Memory module LED LSJ1 Single color LED header for OEM customers only PANEL1 Connector for case front panel switches and LED indicators PCI1 PCI5 Five 32 bit add on card slots RAIDLED1 IDE3 ID...

Page 11: ...e edges Do not bend circuit boards Q Qu ui ic ck k G Gu ui id de e This Quick Guide suggests the steps you can take to assemble your system with the mainboards The following table provides a reference for installing specific components Locating Mainboard Components Go to page 5 Installing the Mainboard in a Case Go to page 8 Setting Jumpers Go to page 8 Installing Case Components Go to page 10 Ins...

Page 12: ... appropriate 1 Place the mainboard over the mounting brackets Ensure that your case has an I O template that supports the I O ports and expansion slots on your mainboard C Ch he ec ck ki in ng g J Ju um mp pe er r S Se et tt ti in ng gs s This section explains how to set jumpers for correct configuration of the main board Setting Jumpers Use the mainboard jumpers to set system configuration option...

Page 13: ...5 3 pin CPU Frequency select jumper See table on following page for settings JP3 1 JP5 1 JP1 Use this jumper to clear the contents of the CMOS memory You may need to clear the CMOS memory if the settings in the Setup Utility are incorrect and prevent your mainboard from operating To clear the CMOS memory disconnect all the power cables from the main board and then move the jumper cap into the CLEA...

Page 14: ...CPU cooling fan cable to CPUFAN1 2 Connect the case cooling fan connector to CASFAN1 3 Connect the case speaker cable to SPEAKER1 4 Connect the case LED cable to SJ1 LSJ1 5 Connect the case switches and indicator to PANEL1 6 Connect the standard power supply connec tor to ATX1 7 If your case has a case open alarm cable connect it to CHS1 ATX1 ATX 20 pin Power Connector Pin Signal Name Pin Signal N...

Page 15: ...tor allows the user to detect unauthorized intrusion to the case It will alert the user with a warning message when the case is turned on SJI Single color LED header Pin Signal Name 1 ACPI LED 2 ACPI LED 3 5VSB ACPI LED function S0 S1 S3 S4 S5 SJ1 1 Light Blinking Blinking Dark LSJI Single color LED header for OEM customers only Pin Signal Name 1 5VSB 2 SUSLED Y ACPI LED function S0 S1 S3 S4 S5 LS...

Page 16: ...unction properly an IDE drive should be connected to the onboard IDE inter face The LED will also show activity for devices connected to the SCSI hard drive activity LED connector Power Sleep Message Waiting LED Connecting pins 2 and 4 to a single or dual color front panel mounted LED provides power on off sleep and message waiting indication Reset Switch Supporting the reset function requires con...

Page 17: ...ling the Processor This mainboard automatically determines the CPU clock frequency and sys tem bus frequency for the processor You may be able to change these settings by making changes to jumpers on the mainboard or changing the settings in the system Setup Utility We strongly recommend that you do not overclock processors or other components to run faster than their rated speed Warning Overclock...

Page 18: ...atch the corner on the CPU marked with an arrow with pin A 1 on the CPU socket the corner with the pinhole noticeably missing Insert the processor into the socket Do not use force 3 Swing the locking lever down and hook it under the latch on the edge of the socket 4 Apply thermal grease to the top of the CPU 5 Lower the CPU cooling fan heatsink assembly onto the CPU 6 Secure the two retention clip...

Page 19: ... CPU Cooling Fan power cable connector to the CPUFAN connector Note CPU fan and heatsink installation procedures may vary with the type of CPU fan heatsink supplied The form and size of fan heatsink may also vary 15 ...

Page 20: ...three slots Each module can be installed with 32 MB to 1 GB of memory total memory capacity is 3GB Do not remove any memory module from its antistatic packaging until you are ready to install it on the mainboard Handle the modules only by their edges Do not touch the components or metal parts Always wear a grounding strap when you handle the modules Installation Procedure Refer to the following to...

Page 21: ...and you can add two more devices to the secondary IDE channel IDE devices have jumpers or switches that are used to set the IDE device as MASTER or SLAVE Refer to the IDE device user s manual When installing two IDE devices on one cable ensure that one device is set to MASTER and the other device is set to SLAVE The documentation of your IDE device explains how to do this About IDE3 and IDE4 Devic...

Page 22: ...re information Installing a CD ROM DVD Drive 1 Install the CD ROM DVD drive into the drive cage in your system case 2 Plug the IDE cable into IDE1 A If you have already installed an HDD use the other connec tor on the IDE cable Note Ribbon cable connectors are usually keyed so that they can only be installed correctly on the device connector If the connector is not keyed make sure that you match t...

Page 23: ...s not keyed make sure that you match the pin 1 side of the cable connector with the pin 1 side of the device connec tor Each connector has the pin 1 side clearly marked The pin 1 side of each ribbon cable is always marked with a colored stripe on the cable 3 Plug the correct connector on the FDD cable for the 5 25 inch or 3 5 inch drive into the FDD connector B 4 Plug a power cable from the case p...

Page 24: ...e Before installing an add on card check the documentation for the card carefully If the card is not Plug and Play you may have to manually con figure the card before installation Follow these instructions to install an add on card 1 Remove a blanking plate from the system case corresponding to the slot you are going to use 2 Install the edge connector of the add on card into the expansion slot En...

Page 25: ...MIC Front Panel Microphone input signal 2 AUD_GND Ground used by Analog Audio Circuits 3 AUD_MIC_BIAS Microphone Power 4 AUD_VCC Filtered 5 V used by Analog Audio Circuits 5 AUD_FPOUT_R Right Channel Audio signal to Front Panel 6 AUD_RET_R Right Channel Audio signal to Return from Front Panel 7 HP_ON Reserved for future use to control Head phone Amplifier 8 KEY No Pin 9 AUD_FPOUT_L Left Channel Au...

Page 26: ... as indi cated above A different pin assignment may cause damage or system hang up IR1 Serial infrared port The mainboard supports an Infrared IR1 data port Infrared ports allow the wireless exchange of information between your computer and similarly equipped devices such as printers laptops Personal Digital Assistants PDAs and other computers Pin Signal Name Function 1 Not assigned Not assigned 2...

Page 27: ...me 1 Cable power 5 TPA 2 GND 6 TPA 3 TPB 7 Chassis GND 4 TPB 8 NC RAIDLED IDE3 IDE4 array controller active LED This connector is used to show the activity of the IDE3 IDE4 HDD The IDE LED is located on pins 1 2 of RAIDLED You can attach the hard drive LED cable to pins 1 2 Pin Signal Name 1 5V 2 IDE active 23 ...

Page 28: ...g Configures multiple drives so that sectors of data are interleaved within an array When a disk member fails it affects the entire array Performance is better than a single drive since the workload is bal anced between array members This array mode is designed for high performance systems Identical drives are recommended for per formance as well as data storage efficiency The disk array data capa...

Page 29: ...orts to connect serial devices such as mice or fax modems COM1 is identified by the system as COM1 3 COM2 is identified by the system as COM2 4 1394a Port optional Use the 1394a port to connect any Firewire de vice Audio Ports Use the three audio ports to connect audio de vices The first jack is for stereo line in signal The second jack is for stereo line out signal The third jack is for microphon...

Page 30: ... Digital monitor flat panel White IEEE 1394 Grey Microphone Pink MIDI game Gold Parallel Burgundy PS 2 compatible keyboard Purple PS 2 compatible mouse Green Serial Teal or Turquoise Speaker out subwoofer Orange Right to left speaker Brown USB Black Video out Yellow SCSI network telephone modem None This concludes Chapter 2 The next chapter covers the BIOS 26 ...

Page 31: ...drives diskette drives and peripherals Video display type and display options Password protection from unauthorized use Power management features The settings made in the Setup Utility affect how the computer performs Be fore using the Setup Utility ensure that you understand the Setup Utility options This chapter provides explanations for Setup Utility options The Standard Configuration A standar...

Page 32: ...hout Saving Esc Quit Select Item F10 Save Exit Setup Time Date Hard Disk Type BIOS Navigation Keys The BIOS navigation keys are listed below Key Function Esc Exits the current menu Scrolls through the items on a menu PU PD Modifies the selected field s values F10 Saves the current configuration and exits setup F1 Displays a screen that describes all key functions F5 Loads previously saved values t...

Page 33: ...ge 7 Type the filename of the new BIOS in the File Name to Program text box Follow the onscreen directions to update the mainboard BIOS 8 When the installation is complete remove the floppy diskette from the diskette drive and restart your computer If your mainboard has a Flash BIOS jumper reset the jumper to protect the newly installed BIOS from being overwritten U Us si in ng g B BI IO OS S When...

Page 34: ... current date and time on the computer If you are running a Windows OS these items are automatically updated when ever you make changes to the Windows Date and Time Properties utility IDE Devices None Your computer has two IDE channels Primary and Secondary and each channel can be installed with one or two devices Master and Slave Use these items to configure each device on the IDE channel Press E...

Page 35: ...ult in your system not recognizing the installed hard disk Access Mode This item defines ways that can be used to access IDE hard disks such as LBA Large Block Addressing Leave this value at Auto and the system will automatically decide the fastest way to access the hard disk drive Press Esc to return to the Standard CMOS Features page Drive A Drive B 1 44M 3 5 in None These items define the chara...

Page 36: ...ues F6 Fail Safe Defaults F7 Optimized Defaults CPU Internal Cache Enabled All processors that can be installed in this mainboard use internal level 1 L1 cache memory to improve performance Leave this item at the default value for better performance External Cache Enabled Most processors that can be installed in this system use external level 2 L2 cache memory to improve performance Leave this ite...

Page 37: ...nes how the system handles legacy software that was written for an earlier generation of processors Leave this item at the default value ATA 66 100 IDE Cable Msg Disabled Enables or disables the ATA 66 100 IDE Cable Msg This message will appear during reboot when you use 40 pin cable on your 66 100 hard disks Typematic Rate Setting Disabled If this item is enabled you can use the following two ite...

Page 38: ...ct the data Video BIOS Shadow Enabled This function when enabled allows VGA BIOS to be copied to the system DRAM for enhanced performance Small Logo EPA Show Disabled Determines whether or not the EPA logo appears during boot up Advanced Chipset Features These items define critical timing parameters of the mainboard You should leave the items on this page at their default values unless you are ver...

Page 39: ... By SPD This item enables you to manually set the DRAM Clock We recommend that you leave this item at the default value DRAM Timing Auto by SPD Set this By SPD to enable the system to automatically set the SDRAM timing by SPD Serial Presence Detect SPD is an EEPROM chip on the DIMM module that stores information about the memory chips it contains including size speed voltage row and column address...

Page 40: ...ge can occur Active to CMD 3T This item specifies the minimum required delay between activation of different rows DRAM Burst Len 4 This item describes which burst lengths are supported by the devices on the mainboard 1 level can provide faster performance but may result in instability whereas 8 level gives the most stable but slowest performance DRAM Queue Depth 4 level This item sets the depth of...

Page 41: ...an greatly improve the display speed Disable this item if your graphics display card does not support this feature AGP Driving Control Auto This item is used to signal driving current on AGP cards to auto or manual Some AGP cards need stronger than normal driving current in order to oper ate We recommend that you set this item to the default AGP Driving Value When AGP Driving Control is set to Man...

Page 42: ... from the CPU to PCU bus are buffered to compensate for the speed differences between the CPU and PCI bus When disabled the writes are not buffered and the CPU must wait until the write is complete be fore starting another write cycle PCI Delay Transaction Disabled The mainboard s chipset has an embedded 32 bit post write buffer to support delay transactions cycles Select Enabled to support compli...

Page 43: ... OnChip IDE Device Scroll to this item and press Enter to view the following screen Phoenix AwardBIOS CMOS Setup Utility VIA OnChip IDE Device Item Help OnChip IDE Channel0 Enabled OnChip IDE Channel1 Enabled IDE Prefetch Mode Enabled Primary Master PIO Auto Primary Slave PIO Auto Secondary Master PIO Auto Secondary Slave PIO Auto Primary Master UDMA Auto Primary Slave UDMA Auto Secondary Master U...

Page 44: ...order to use an UltraDMA device Press Esc to return to the Integrated Peripherals screen VIA OnChip PCI Device Scroll to this item and press Enter to view the following screen Phoenix AwardBIOS CMOS Setup Utility VIA OnChip PCI Device Item Help VIA 3058 AC97 Audio Auto VIA 3068 MC97 Modem Auto VIA 3043 OnChip LAN Enabled Onboard LAN Boot ROM Disabled Menu Level Move Enter Select PU PD Value F10 Sa...

Page 45: ...terrupt request IRQ for the onboard serial port 1 COM1 Onboard Serial Port 2 2F8 IRQ3 This option is used to assign the I O address and interrupt request IRQ for the onboard serial port 2 COM2 UART Mode Select Normal This field is available if the Onboard Serial Port 2 field is set to any option but Disabled UART Mode Select enables you to select the infrared communica tion protocol Normal default...

Page 46: ...tem sets the I O address for the Midi function Midi Port IRQ 10 This item sets the interrupt request for the Midi function Press Esc to return to the Integrated Peripherals screen Init Display First PCI Slot Use this item to specify whether your graphics adapter is installed in one of the PCI slots or is integrated on the mainboard OnChip USB Controller All Enabled Enable this item if you plan to ...

Page 47: ...em enters a power saving mode If any item in the list of Reload Global Timer Events is Enabled then any activity on that item will reset the timeout counters to zero Wake Up Calls If the system is suspended or has been powered down by software it can be resumed by a wake up call that is generated by incoming traffic to a modem a LAN card a PCI card or a fixed alarm on the system realtime clock Pho...

Page 48: ...e Disable The CPU clock will be stopped and the video signal will be suspended if no Power Management events occur for a specified length of time Full power function will return when a Power Management event is detected Options are from 1 Min to 1 Hour and Disable Video Off Option Suspend Off This option defines if the video is powered down when the system is put into suspend mode Video Off Method...

Page 49: ...isabled Enables you to allow keyboard activity to awaken the system from power sav ing mode PS2KB Wakeup Select Hot key Enables you to choose either to press a keyboard hot key or be prompted for a password to wakeup the system from power saving mode PS2MS WakeUp from S3 S4 S5 Disabled Enables you to allow mouse activity to awaken the system from power saving mode USB Resume from S3 Disabled When ...

Page 50: ...to this item and press Enter to view the following screen Phoenix AwardBIOS CMOS Setup Utility IRQs Activity Monitoring Item Help Primary INTR ON IRQ 3 COM2 Enabled IRQ 4 COM1 Enabled IRQ 5 LPT2 Enabled IRQ 6 Floppy Disk Enabled IRQ 7 LPT1 Enabled IRQ 8 RTC Alarm Disabled IRQ 9 IRQ2 Redir Disabled IRQ 10 Reserved Disabled IRQ 11 Reserved Disabled IRQ 12 PS 2 Mouse Enabled IRQ 13 Coprocessor Enable...

Page 51: ...Previous Values F6 Fail Safe Defaults F7 Optimized Defaults PNP OS Installed No Setting this option to Yes allows the PnP OS instead of BIOS to assign the system resources such as IRQ and I O address to the ISA PnP device The default setting is No Reset Configuration Data Disabled If you enable this item and restart the system any Plug and Play configuration data stored in the BIOS setup is cleare...

Page 52: ...ealth Status On mainboards that support hardware monitoring this item lets you monitor the parameters for critical voltages critical temperatures and fan speeds Phoenix AwardBIOS CMOS Setup Utility PC Health Status Item Help Shutdown Temperature Disabled CPU V CORE 2 5V 3 3V 5V 12V Voltage Battery Current System Temp Current CPU Temp CPUFAN1 CASFAN1 Menu Level Move Enter Select PU PD Value F10 Sav...

Page 53: ...lk Enabled When this item is enabled BIOS will disable the clock signal of free DIMM and PCI slots Spread Spectrum Enabled If you enable spread spectrum it can significantly reduce the EMI Electro Magnetic Interference generated by the system CPU Clock 100 This item allows you to adjust the CPU clock to 100Mhz or 200MHz You can key in the numbers within the range to make a precise and ideal adjust...

Page 54: ...option select and display that option and then press F7 Set Supervisor User Password When this function is selected the following message appears at the center of the screen to assist you in creating a password ENTER PASSWORD Type the password up to eight characters and press Enter The password typed now will clear any previously entered password from CMOS memory You will be asked to confirm the p...

Page 55: ... and press Enter to discard any changes that you have made in the Setup Utility and exit the Setup Utility When the Exit Without Sav ing dialog box appears press Y to discard changes and exit or press N to return to the main menu Note If you have made settings that you do not want to save use the Exit Without Saving item and press Y to discard any changes you have made This concludes Chapter 3 Ref...

Page 56: ...r something similar These files may contain important information that is not included in this manual A Au ut to o i in ns st ta al ll li in ng g u un nd de er r W Wi in nd do ow ws s 9 98 8 M ME E 2 20 00 00 0 X XP P The Auto install CD ROM makes it easy for you to install the drivers and soft ware for your mainboard Note If the Auto install CD ROM does not work on your system you can still in st...

Page 57: ... Some software is installed in separate folders for different oper ating systems such as DOS WIN NT or WIN98 95 Always go to the correct folder for the kind of OS you are using To install the software execute a file named SETUP EXE or INSTALL EXE by double clicking the file and then following the instructions on the screen Exit The Exit button closes the Auto Setup window Application Tab Lists the...

Page 58: ...g screen appears 3 Check the box next to the items you want to install The default options are recommended 4 Click Next run the Installation Wizard An item installation screen ap pears 5 Follow the instructions on the screen to install the items Drivers and software are automatically installed in sequence Follow the on screen instructions confirm commands and allow the computer to restart a few ti...

Page 59: ...pied in accordance with the terms of the license Note These software s are subject to change at anytime without prior notice Please refer to the support CD for available software AWARD Flash Memory Utility This utility lets you erase the system BIOS stored on a Flash Memory chip on the mainboard and lets you copy an updated version of the BIOS to the chip Proceed with caution when using this progr...

Page 60: ...n quickly creating images of both CDs and DVDs onto your system To install the software run SETUP EXE from the following directory UTILITY CDGHOST ENG CDGHOST Recovery Genius The Recovery Genius software program is an innovative windows application system that protects your Hard Disk Drive from virus intrusion accidental de letions and from system corruption To install the Recovery Genius software...

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