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VIA Technologies IB781 User Manual

Via cle266 full size cpu card
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IB781
VIA CLE266 Full Size CPU Card
USER'S MANUAL
Version 1.0B

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Summary of Contents for VIA Technologies IB781

  • Page 1 IB781 VIA CLE266 Full Size CPU Card USER’S MANUAL Version 1.0B...
  • Page 2 PS/2 is a trademark of International Business Machines Corporation. Microsoft Windows is a registered trademark of Microsoft Corporation. Winbond is a registered trademark of Winbond Electronics Corporation. All other product names or trademarks are properties of their respective owners. IB781 User’ s Manual...

  • Page 3: Table Of Contents

    Product Description............1 Specifications ..............2 Board Dimensions ............3 Installations ............5 Installing the Memory (DDR DIMM) ....... 6 Setting the Jumpers ............7 Connectors on IB781............11 BIOS Setup ............23 Drivers Installation ........45 Appendix ............51 A.
  • Page 4 This page is intentionally left blank. IB781 User’ s Manual...

  • Page 5: Introduction

    It is a two-chip set consisting of the VT8623 North Bridge Controller and VT8235 South Bridge Controller. IB781 supports the Socket 370 processors with speeds of up to 1.4GHz and with front side bus of up to 133MHz. Two 184-pin DDR DIMM sockets support can accommodate a total memory size of 2GB.

  • Page 6: Specifications

    ISA High Drive Disk On Chip UART/16550A COM1: RS232 COM2: RS232/422/485 RTC/CMOS VT8235 built-in Battery Lithium battery Keyboard/Mouse VT8235 built-in VT8235 built-in, IDE1, 2 (Ultra DMA 33/66/100/133) Supports 1.1/2.0 USB 4 ports Watchdog Timer 256 levels IB781 User’ s Manual...

  • Page 7: Board Dimensions

    INTRODUCTION Board Dimensions IB781 User’ s Manual...
  • Page 8 INTRODUCTION This page is intentionally left blank. IB781 User’ s Manual...

  • Page 9: Installations

    INSTALLATIONS Installations This section provides information on how to use the jumpers and connectors on the IB781 in order to set up a workable system. The topics covered are: Installing the Memory (DDR DIMM) ....... 6 Setting the Jumpers ............7 Connectors on IB781............

  • Page 10: Installing The Memory (Ddr Dimm)

    INSTALLATIONS Installing the Memory (DDR DIMM) The IB781 board supports one 184-pin DDR DIMM socket for a maximum total memory of 1GB in DDR DRAM type. The memory module capacities supported are 64MB, 128MB, 256MB, 512MB and 1GB. Installing and Removing DIMMs...

  • Page 11: Setting The Jumpers

    INSTALLATIONS Setting the Jumpers Jumpers are used on IB781 to select various settings and features according to your needs and applications. Contact your supplier if you have doubts about the best configuration for your needs. The following lists the connectors on IB781 and their respective functions.

  • Page 12: Jumper Locations On Ib781

    INSTALLATIONS Jumper Locations on IB781 Jumpers on IB781 ..............Page JP8: AT / ATX Power Select ............9 JBAT1: Clear CMOS Content ............9 JP1, JP2, JP3: RS232/RS422/RS485 (COM2) Selection....9 JP6: LCD Panel Power Selection ..........10 JP7: DiskOnChip 2000 Address...........10...

  • Page 13: Jp8: At / Atx Power Select

    JP1, JP2, JP3: RS232/RS422/RS485 (COM2) Selection JP1, JP2, JP3 Pin Short Function JP1: 1-2 JP2: 3-5, 4-6 RS232 JP3: 3-5, 4-6 JP1: 3-4 JP2: 1-3, 2-4 RS422 JP3: 1-3, 2-4 JP1: 5-6 JP2: 1-3, 2-4 RS485 JP3: 1-3, 2-4 IB781 User’ s Manual...

  • Page 14: Jp6: Lcd Panel Power Selection

    INSTALLATIONS JP6: LCD Panel Power Selection Setting Voltage Pin 1-2 3.3V Short/Closed Pin 2-3 Short/Closed JP7: DiskOnChip 2000 Address Setting Address Pin 1-2 OD000H-OD1FFH Short/Closed Pin 2-3 OD800H-OD9FFH Short/Closed IB781 User’ s Manual...

  • Page 15: Connectors On Ib781

    INSTALLATIONS Connectors on IB781 The connectors on IB781 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on IB781 and their respective functions. Connector Locations on IB781 ........... 12 FAN1, FAN2: CPU and System Fan Power Connectors ....

  • Page 16: Connector Locations On Ib781

    INSTALLATIONS Connector Locations on IB781 Connectors on IB781....................Page FAN1, FAN2: CPU and System Fan Power Connectors ......13 FAN3: ATX Power Connector............... 13 IDE1, IDE2: EIDE Connectors .............. 13 FDD1: Floppy Drive Connector............. 14 J1: Parallel Port Connector ..............15 J2: System Function Connector .............

  • Page 17: Fan1, Fan2: Cpu And System Fan Power Connectors

    Host data 15 Ground Protect pin DRQ0 Ground Host IOW Ground Host IOR Ground IOCHRDY Host ALE DACK0 Ground IRQ14 No connect Address 1 No connect Address 0 Address 2 Chip select 0 Chip select 1 Activity Ground IB781 User’ s Manual...

  • Page 18: Fdd1: Floppy Drive Connector

    Drive select 1 Ground Drive select 0 Ground Motor enable 1 Ground Direction Ground Step Ground Write data Ground Write gate Ground Track 00 Ground Write protect Ground Read data Ground Side 1 select Ground Diskette change IB781 User’ s Manual...

  • Page 19: J1: Parallel Port Connector

    SMI / Hardware Switch Power LED Speaker Speaker: Pins 1 - 4 This connector provides an interface to a speaker for audio tone generation. An 8-ohm speaker is recommended. Pin # Signal Name Speaker out No connect Ground IB781 User’ s Manual...
  • Page 20 Reset Switch: Pins 9 and 19 The reset switch allows the user to reset the system without turning the main power switch off and then on again. Orientation is not required when making a connection to this header. IB781 User’ s Manual...

  • Page 21: J3, J4: Com1 And Com2 Serial Ports Connector

    Signal Name Pin # Fixed as RS-232 RS-422 RS-485 RS-232 DATA- DATA+ Configurable as RS-232/ RS-422/485 RTS- with jumpers RTS+ JP2/JP3/JP4 CTS+ CTS- J5: AT P8 Power Supply Connector Pin # Signal Name +12V -12V Ground Ground IB781 User’ s Manual...

  • Page 22: Cn3: Vga Crt Connector

    J7: CD-In Audio Connector Pin # Signal Name CD Audio R Ground Ground CD Audio L J8: IrDA Connector J8 is used for an optional IrDA connector. Pin # Signal Name No connect Ir RX Ground Ir TX IB781 User’ s Manual...

  • Page 23: J10: External Ps/2 Keyboard Connector

    J10 is a 3-pin header for the Wake On LAN function on the motherboard. Wake On LAN will function properly only with an ATX power supply with 5VSB that has 1A. Pin # Signal Name +5VSB Ground LAN Wakeup IB781 User’ s Manual...

  • Page 24: J14: Lvds Connector (18-Bit)

    J15 is the Gigabit LAN RJ45 connector. J16, J17: USB Connectors These two USB headers support a total of four USB ports (1.1/2.0). Signal Name Pin # Pin # Signal Name Ground USB- USB+ USB+ USB- Ground IB781 User’ s Manual...

  • Page 25: J18: Ttl Connector

    ENPVEE ENPVEE FPD0 FPD1 FPD2 FPD3 FPD4 FPD5 FPD6 FPD7 FPD8 FPD9 FPD10 FPD11 FPD12 FPD13 FPD14 FPD15 FPD16 FPD17 FPD18 FPD19 FPD20 FPD21 FPD22 FPD23 Ground Ground FP_CLK FP_VS FP_DE FP_HS Ground FP_BKLP Ground ENPVDD IB781 User’ s Manual...

  • Page 26: Fpd Rgb Mapping Table

    INSTALLATIONS FPD RGB Mapping Table 18Bit 24Bit FPD0 FPD1 FPD2 FPD3 FPD4 FPD5 FPD6 FPD7 FPD8 FPD9 FPD10 FPD11 FPD12 FPD13 FPD14 FPD15 FPD16 FPD17 FPD18 FPD19 FPD20 FPD21 FPD22 FPD23 IB781 User’ s Manual...

  • Page 27: Bios Setup

    Power Management Setup ............38 PNP/PCI Configurations............. 41 PC Health Status ................ 42 Frequency/Voltage Control............43 Load Fail-Safe Defaults.............. 44 Load Setup Defaults ..............44 Set Supervisor/User Password ............ 44 Save & Exit Setup ..............44 Exit Without Saving..............44 IB781 User’ s Manual...

  • Page 28: Bios Introduction

    <PgUp> and <PgDn> keys to change entries, <F1> for help and <Esc> to quit. When you enter the Setup utility, the Main Menu screen will appear on the screen. The Main Menu allows you to select from various setup functions and exit choices. IB781 User’ s Manual...
  • Page 29 These defaults have been carefully chosen by both Award and your system manufacturer to provide the absolute maximum performance and reliability. Changing the defaults could cause the system to become unstable and crash in some cases. IB781 User’ s Manual...

  • Page 30: Standard Cmos Setup

    Month : 1 to 12 Date : 1 to 31 Year : 1994 to 2079 To set the date, highlight the “Date” field and use the PageUp/ PageDown or +/- keys to set the current time. IB781 User’ s Manual...
  • Page 31 These fields identify the types of floppy disk drive A or drive B that has been installed in the computer. The available specifications are: 360KB 1.2MB 720KB 1.44MB 2.88MB 5.25 in. 5.25 in. 3.5 in. 3.5 in. 3.5 in. IB781 User’ s Manual...
  • Page 32 The system boot will not be halted for a disk error; it will stop for all other errors. All, But Disk/Key The system boot will not be halted for a key- board or disk error; it will stop for all others. IB781 User’ s Manual...

  • Page 33: Advanced Bios Features

    DRAM into cache memory, for even faster access by the CPU. These items allow you to enable (speed up memory access) or disable the cache function. By default, these items are Enabled. IB781 User’ s Manual...
  • Page 34 This allows you to activate the NumLock function after you power up the system. Gate A20 Option This field allows you to select how Gate A20 is worked. Gate A20 is a device used to address memory above 1 MB. IB781 User’ s Manual...
  • Page 35 This item allows you to change the Video BIOS location from ROM to RAM. Video Shadow will increase the video speed. Small Logo (EPA) Show This field enables the showing of the EPA logo located at the upper right of the screen during boot up. IB781 User’ s Manual...

  • Page 36: Advanced Chipset Features

    CMD (3T) and DRAM Command Rate. Current FSB Frequency The default setting of the FSB Frequency is 100MHz. Current DRAM Frequency The default setting of the DRAM Frequency is 133MHz. DRAM Clock The default setting of the DRAM clock is SPD. IB781 User’ s Manual...
  • Page 37 AGP Fast Write This accelerates memory write transactions from the chipset to the AGP device. AGP Master 1 WS Write When enabled, this changes the default from a 2ws to a 1ws which will increase AGP Writing. IB781 User’ s Manual...
  • Page 38 Panel Type This field sets the panel type that is supported by the system. Below are the selections for the different panel types: Panel Type 640x480, 1Ch, 18Bit 800x600, 1Ch, 18Bit 1024x768, 1Ch, 18Bit 1024x768, 1Ch, 24Bit IB781 User’ s Manual...

  • Page 39: Integrated Peripherals

    UART Mode Select Normal RxD, TxD Active Hi, Lo IR Transmission Delay Enabled UR2 Duplex Mode Half Use IR Pins IR-Rx2Tx2 Onboard Parallel Port 378/IRQ7 Onboard Parallel Mode EPP Mode Select EPP1.7 ECP Mode Use DMA IB781 User’ s Manual...
  • Page 40 By default, the audio controller is enabled. OnChip USB Controller By default, the USB controller is enabled for all devices. However, the USB devices, keyboard and USB mouse support options must be enabled separately for them to function. IB781 User’ s Manual...
  • Page 41 Enhanced Parallel Port Extended Capabilities Port Init Display First This field allows the system to initialize first the VGA card on chip or the display on the PCI Slot. By default, the PCI Slot VGA is initialized first. IB781 User’ s Manual...

  • Page 42: Power Management Setup

    Enabled IRQ6 (Floppy Disk) Enabled IRQ7 (LPT 1) Disabled IRQ8 (RTC Alarm) Disabled IRQ9 (IRQ2 Redir) Disabled IRQ10 (Rserved) Disabled IRQ11 (Reserved) Enabled IRQ12 (PS/2 Mouse) Enabled IRQ13 (Coprocessor) Enabled IRQ14 (Hard Disk) IRQ15 (Reserved) Disabled IB781 User’ s Manual...
  • Page 43 Default setting, blank the screen and turn off vertical and horizontal scanning. DPMS Allows the BIOS to control the video display card if it supports the DPMS feature. Blank Screen This option only writes blanks to the video buffer. IB781 User’ s Manual...
  • Page 44 When an I/O device wants to gain the attention of the operating system, it signals this by causing an IRQ to occur. When the operating system is ready to respond to the request, it interrupts itself and performs the service. IB781 User’ s Manual...

  • Page 45: Pnp/Pci Configurations

    PCI/VGA. When this field is enabled, a PCI/VGA can work with an MPEG ISA/VESA VGA card. When this field is disabled, a PCI/VGA cannot work with an MPEG ISA/VESA card. Assign IRQ for VGA/USB By default, this fields are Enabled. IB781 User’ s Manual...

  • Page 46: Pc Health Status

    This field sets the temperature threshold that, when it is reached, the system shuts down automatically. CPU and System Fan Failure Warning These fields enable or disable the warning function that will sound when the relevant fan fails. IB781 User’ s Manual...

  • Page 47: Frequency/Voltage Control

    This field enables or disables the auto detection of the DIMM/PCI clock. The default setting is Disabled. Spread Spectrum This field sets the value of the spread spectrum. The default setting is Disabled. This field is for CE testing use only IB781 User’ s Manual...

  • Page 48: Load Fail-Safe Defaults

    Select this option to exit the Setup utility without saving the changes you have made in this session. Typing “Y” will quit the Setup utility without saving the modifications. Typing “N” will return you to Setup utility. IB781 User’ s Manual...

  • Page 49: Drivers Installation

    This section describes the installation procedures for software and drivers under the Windows 98SE, Windows ME, Windows XP and Windows 2000. The CD disc that comes with the IB781 embedded board allows you to install drivers for the following items: §...
  • Page 50 6. Click on “Install VIA PCI IDE Bus Driver” to install it and click Next to continue. 7. Click on “Install AGP driver” to install the driver and click Next to continue. 8. Click OK to restart the computer when prompted. IB781 User’ s Manual...
  • Page 51 3. Click Next to continue. This step will run the VIA/S3G CLE266 Display Driver Installer. 4. When the screen “Digital Signature Not Found” appears, click Yes to continue the installation. 5. Click Finish to restart the computer. IB781 User’ s Manual...

  • Page 52: Realtek Ac97 Codec Audio Driver Installation

    1. Insert the CD that comes with the motherboard and on the initial screen, click VIA ChipsetsèVIA CLE266 Chipset DriverèCLE266+VT8237 Chipset DriversèRealtek AC’97 Codec Audio Driver. 2. Click Yes to continue. 3. Click Finish to restart the computer. IB781 User’ s Manual...
  • Page 53 VIA ChipsetsèVIA CLE266 Chipset DriverèCLE266+VT8237 Chipset DriversèVIA USB 2.0 Driver. 2. In the welcome screen, click Next to continue. 3. Check on the ‘Install USB 2.0 Driver’ checkbox and click Next to continue. 4. Restart the computer when prompted. IB781 User’ s Manual...

  • Page 54: Realtek Network Interface Controller Drivers Installation

    1. Insert the CD that comes with the motherboard and on the initial screen click LAN CardèRealtek Network Interface Controller Drivers 2. When the welcome screen appears, click Next to continue. 3. On the next screen, click Finish to restart the computer. IB781 User’ s Manual...

  • Page 55: Appendix

    Parallel Port #1(LPT1) 360 - 36F Network Ports 3B0 - 3BF Monochrome & Printer adapter 3C0 - 3CF EGA adapter 3D0 - 3DF CGA adapter 3F0h - 3F7h Floppy Disk Controller 3F8h - 3FFh Serial Port #1(COM1) IB781 User’ s Manual...

  • Page 56: Interrupt Request Lines (Irq)

    Serial Port #1 IRQ5 Reserved IRQ6 Floppy Disk Controller IRQ7 Parallel Port #1 IRQ8 Real Time Clock IRQ9 Reserved IRQ10 Serial Port 3 IRQ11 Serial Port 4 IRQ12 PS/2 Mouse IRQ13 80287 IRQ14 Primary IDE IRQ15 Secondary IDE IB781 User’ s Manual...

  • Page 57: Watchdog Timer Configuration

    Winbond 697HF Watch Timer Tester (AUTO DETECT) ========\n"\ " Usage : W697WD reset_time\n"\ " Ex : W697WD 3 => reset system after 3 second\n"\ " W697WD 0 => disable watch dog timer\n"); //=========================================================================== void EnableWDT(int interval) IB781 User’ s Manual...
  • Page 58 Init_Finish; W697HF_BASE = 0x4E; result = W697HF_BASE; ucDid = Get_W697HF_Reg(0x20); if ( ucDid == 0x60) goto Init_Finish; W697HF_BASE = 0x00; result = W697HF_BASE; Init_Finish: return (result); //=========================================================================== void Unlock_W697HF (void) outportb(W697HF_INDEX_PORT, W697HF_UNLOCK); outportb(W697HF_INDEX_PORT, W697HF_UNLOCK); //=========================================================================== IB781 User’ s Manual...
  • Page 59 #define W697HF_DATA_PORT (W697HF_BASE+1) //=========================================================================== #define W697HF_REG_LD 0x07 //=========================================================================== #define W697HF_UNLOCK 0x87 #define W697HF_LOCK 0xAA //=========================================================================== unsigned int Init_W697HF(void); void Set_W697HF_LD( unsigned char); void Set_W697HF_Reg( unsigned char, unsigned char); unsigned char Get_W697HF_Reg( unsigned char); //=========================================================================== #endif //__W697HF_H IB781 User’ s Manual...
  • Page 60 APPENDIX This page is intentionally left blank. IB781 User’ s Manual...

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