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Spectra MB720 User Manual

Via cn333/ cn400 mini itx motherboard
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MB720
VIA CN333/ CN400
Mini ITX Motherboard
USER'S MANUAL
Version 1.0

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Summary of Contents for Spectra MB720

  • Page 1 MB720 VIA CN333/ CN400 Mini ITX Motherboard USER’S MANUAL Version 1.0...
  • 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. MB720 User’s Manual...

  • Page 3: Table Of Contents

    Specifications ..............3 Board Dimensions ............... 4 Installations ............5 Installing the Memory ............6 Setting the Jumpers ............. 7 Connectors on MB720 ............11 Watchdog Timer Configuration ........21 Digital I/O Sample Code ........... 24 BIOS Setup ............27 Drivers Installation ........49...
  • Page 4 This page is intentionally left blank. MB720 User’s Manual...

  • Page 5: Introduction

    The MB720 Mini ITX board incorporates the VIA CN333/CN400 chipset. Currently, the board is available in two models, namely: 1. MB720 - VIA C3 800MHz, CN333 chipset, Mini-ITX w/ 10/100 LAN, VGA, Mini PCI, SATA 2. VIA Eden 1GHz, CN400 chipset, Mini-ITX w/ 10/100 LAN, Gigabit...

  • Page 6: Checklist

    INTRODUCTION Checklist Your MB720 package should include the items listed below. • The MB720 Mini ITX board • This User’s Manual • 1 CD containing chipset drivers and flash memory utility • Accompanying cables such as: • 1 COM Port Cable •...

  • Page 7: Specifications

    26 pins slim type header x 1 for Floppy 5 pins pin-header x 1 for IrDA 20 pins pin-header for power switch, reset, speaker, etc. Power Connector ATX power connector Watchdog Timer Yes (256 segments: 0, 1, 2,..., 255 sec/min) Dimensions 170mm x 170mm MB720 User’s Manual...

  • Page 8: Board Dimensions

    INTRODUCTION Board Dimensions MB720 User’s Manual...

  • Page 9: Installations

    INSTALLATIONS Installations This section provides information on how to use the jumpers and connectors on the MB720 in order to set up a workable system. The topics covered are: Installing the Memory..............6 Setting the Jumpers ..............7 Connectors on MB720 ............... 11 Watchdog Timer Configuration ..........

  • Page 10: Installing The Memory

    INSTALLATIONS Installing the Memory The MB720 embedded board supports one DDR memory sockets for a maximum total memory of 1GB in DDR memory type. The memory module capacities supported are 128MB, 256MB, 512MB and 1GB. The following table lists the supported DDR DIMM configurations.

  • Page 11: Setting The Jumpers

    INSTALLATIONS Setting the Jumpers Jumpers are used on MB720 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 MB720 and their respective functions.
  • Page 12 INSTALLATIONS Jumper Locations on MB720 Jumpers on MB720..............Page JBAT1: Clear CMOS Contents............9 JP1: COM3 RS232 +5V / +12V Power Setting......9 JP2: COM4 RS232 +5V / +12V Power Setting......9 MB720 User’s Manual...
  • Page 13 INSTALLATIONS Configuring the CPU Frequency (for A1 version only) The MB720 A1 version supports FSB manual adjustment, but this feature will be removed in the B1 version. 100MHz 133MHz 166MHz 200MHz JBAT1: Clear CMOS Contents Use JBAT1 to clear the CMOS contents. Note: Disconnect the ATX-power connector from the board before clearing CMOS.
  • Page 14 INSTALLATIONS COM4 Settings: Pin 1-2 short = +12V, Pin 6-5 short = +5V, Pin 3-4 Standard COM Port MB720 User’s Manual...

  • Page 15: Connectors On Mb720

    INSTALLATIONS Connectors on MB720 The connectors on MB720 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on MB720 and their respective functions. Connector Locations on MB720 ..........12 FDD1: Floppy Drive Connector...........
  • Page 16 INSTALLATIONS Connector Locations on MB720 Connectors on MB720......................Page FDD1: Floppy Drive Connector....................13 IDE1, IDE2: Secondary and Primary IDE Connectors ..............13 FAN1: System Fan Power Connector ..................14 FAN2: CPU Fan Power Connector ....................14 CN1: ATX Power Supply Connector...................15 CN2, CN3: Serial ATA (SATA) Connectors................15 CN4: Mini PCI Connector......................15...
  • Page 17 Ground DRQ0 Ground Host IOW Ground Host IOR Ground IOCHRDY Host ALE DACK0 Ground IRQ14 No connect IDE1: 2 Address 1 No connect Address 0 Address 2 Chip select 0 Chip select 1 Activity Ground Ground N.C. MB720 User’s Manual...
  • Page 18 Pin # Signal Name Ground +12V Rotation detection FAN2: CPU Fan Power Connector FAN2 is a 3-pin header for the CPU fan. The fan must be a 12V fan. Pin # Signal Name Ground +12V Rotation detection MB720 User’s Manual...
  • Page 19 PD2, parallel data 2 Select PD3, parallel data 3 Ground PD4, parallel data 4 Ground PD5, parallel data 5 Ground PD6, parallel data 6 Ground PD7, parallel data 7 Ground ACK, acknowledge Ground Busy Ground Paper empty Ground Select MB720 User’s Manual...
  • Page 20 TXD, Transmit data CTS, Clear to send DTR, Data terminal ready RI, Ring indicator GND, ground Not Used CN9: RJ45 Connector for LAN1 (10/100) CN10, J12: TV out Connector (RCA Jack/CN10 and 3-pin Header/J12) Pin # Signal Name Ground MB720 User’s Manual...
  • Page 21 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 MB720 User’s Manual...
  • Page 22 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. MB720 User’s Manual...
  • Page 23 Pin # Signal Name HDD Active J2: LVDS Panel Interface (used with ID380 Card, not in A1 version) J3, J4: USB Connector (USB3/USB4, USB5/USB6) The MB720 supports USB 2.0 ports. Signal Name Signal Name Ground USB0- USB1+ USB0+ USB1-...
  • Page 24 CTS, Clear to send RI, Ring indicator No Connect. PS2-KBMS1: PS/2 Keyboard and Mouse Connectors PS/2 Mouse PS/2 Keyboard Signal Name Keyboard Mouse Signal Name Keyboard data Mouse data N.C. N.C. Keyboard clock Mouse clock N.C. N.C. MB720 User’s Manual...

  • Page 25: 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) MB720 User’s Manual...
  • Page 26 ( ucDid == 0x60) goto 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); //=========================================================================== MB720 User’s Manual...
  • Page 27 (W697HF_BASE) #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 MB720 User’s Manual...

  • Page 28: Digital I/O Sample Code

    //switch to logic device 7 Set_W697HF_Reg(0xF1, ((data & 0x0F) << 4)); //--------------------------------------------------------------------------- unsigned char GetDioOutpt(void) unsigned char result; Set_W697HF_LD( 0x07); //switch to logic device 7 result = Get_W697HF_Reg(0xF1, (data & 0x0F)); return (result); //--------------------------------------------------------------------------- void ClrKbBuf(void) while(kbhit()) getch(); //--------------------------------------------------------------------------- MB720 User’s Manual...
  • Page 29 Lock_W697HF (void) outportb(W697HF_INDEX_PORT, W697HF_LOCK); //=========================================================================== void Set_W697HF_LD( unsigned char LD) Unlock_W697HF(); outportb(W697HF_INDEX_PORT, W697HF_REG_LD); outportb(W697HF_DATA_PORT, LD); Lock_W697HF(); //=========================================================================== void Set_W697HF_Reg( unsigned char REG, unsigned char DATA) Unlock_W697HF(); outportb(W697HF_INDEX_PORT, REG); outportb(W697HF_DATA_PORT, DATA); Lock_W697HF(); //=========================================================================== unsigned char Get_W697HF_Reg(unsigned char REG) MB720 User’s Manual...
  • Page 30 (W697HF_BASE) #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 MB720 User’s Manual...

  • Page 31: Bios Setup

    Power Management Setup............42 PNP/PCI Configurations .............. 45 PC Health Status................46 Frequency/Voltage Control ............47 Load Fail-Safe Defaults..............48 Load Optimized Defaults ............. 48 Set Supervisor/User Password............48 Save & Exit Setup ................ 48 Exit Without Saving ..............48 MB720 User’s Manual...

  • Page 32: 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. MB720 User’s Manual...
  • Page 33 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. MB720 User’s Manual...

  • Page 34: Standard Cmos Setup

    Sun to Sat 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. MB720 User’s Manual...
  • Page 35 Drive A These fields identify the types of floppy disk drive 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. MB720 User’s Manual...
  • Page 36 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. MB720 User’s Manual...

  • Page 37: 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. MB720 User’s Manual...
  • Page 38 If it cannot detect one (either due to improper configuration or its absence), it will flash an error message. Boot Up NumLock Status This allows you to activate the NumLock function after you power up the system. MB720 User’s Manual...
  • Page 39 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. MB720 User’s Manual...

  • Page 40: Advanced Chipset Features

    Disabled Phoenix - AwardBIOS CMOS Setup Utility CPU & PCI Bus Control PCI Master 0 WS Write Enabled ITEM HELP PCI Delay Transaction Enabled Menu Level Vlink mode selection Mode 1 Menu Level Vlink 8x Support Enabled MB720 User’s Manual...
  • Page 41 PCI memory address range dedicated for graphics memory address space. Host cycles that hit the aperture range are forwarded to the AGP without any translation. The default setting is 64M. AGP3.0 Mode The default setting is 8X. MB720 User’s Manual...
  • Page 42 BIOS SETUP AGP Driving Value This decides how multiple memory modules communicate. It will only make a difference if you have more than one memory module. MB720 User’s Manual...
  • Page 43 PCI Delay Transaction This is used to meet the latency of PCI cycles to and from the ISA bus. Vlink mode selection The default is set to Mode 1. Vlink 8X Support By default, this field is enabled. MB720 User’s Manual...

  • Page 44: Integrated Peripherals

    VIA-3058 AC97 Audio – Auto VIA-3043 OnChip LAN – Enabled Onboard Lan Boot ROM – Disabled OnChip USB Controller – All Enabled OnChip EHCI Controller – Enabled USB Device Function – Disabled USB Emulation – OFF USB Keyboard Support – Disabled MB720 User’s Manual...

  • Page 45: Superio Device

    Upon pressing Enter on this field, another window appears. Below are the fields shown with their respective default settings: Onboard Serial Port 3 – 3E8h Serial Port 3 Use IRQ – IRQ11 Onboard Serial Port 4 – Disabled Serial Port 4 Use IRQ – IRQ11 MB720 User’s Manual...

  • Page 46: Power Management Setup

    Min. Power Saving Minimum power management Max. Power Saving Maximum power management. User Define Each of the ranges is from 1 min. to 1hr. Except for HDD Power Down which ranges from 1 min. to 15 min. MB720 User’s Manual...
  • Page 47 4 seconds. AC Loss Auto Restart This field sets the auto restarting function of the system when there is AC power loss. MB720 User’s Manual...
  • Page 48 IRQ5 (LPT 2) 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 MB720 User’s Manual...

  • Page 49: Reset Configuration Data

    This field enables the assigning of an IRQ for VGA. Assign IRQ for USB This field enables the assigning of an IRQ for USB. PCI Latency Timer This field sets the PCI latency clock. By default, the setting is 64. MB720 User’s Manual...

  • Page 50: Pc Health Status

    This function can help prevent damage to the system that is caused by overheating. Fan Failure Warning The fan failure warning feature applies to the CPU and chassis. When enabled, it can give a warning to protect the CPU and system from damage due to overheating. MB720 User’s Manual...

  • Page 51: Spread Spectrum

    Auto Detect PCI/DIMM Clk This field enables or disables the auto detection of the PCI/DIMM clock. Spread Spectrum This field sets the value of the spread spectrum. The default setting is Disabled. This field is for CE testing use only MB720 User’s Manual...

  • Page 52: 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. MB720 User’s Manual...

  • Page 53: Drivers Installation

    IMPORTANT NOTE: Please also install Serial ATA and RAID drivers with the included floppy disks. After installing your Windows operating system (Windows 98/98SE/ME/2000/XP), you must install first the Chipset Software Installation Utility before proceeding with the drivers installation. MB720 User’s Manual...

  • Page 54: Via Cn400 Chipset Driver Installation

    Follow the steps below to install the chipset drivers of the VIA CN400/CN333 chipset under Windows 98/98SE/ME/2000/XP. 1. Insert the CD that comes with the motherboard and the screen below would appear. Click VIA CN400 Chipset Drivers. 2. Click on VIA 4 IN 1 Drivers. MB720 User’s Manual...

  • Page 55: Via Vt8237 Lan Driver Installation

    4. Click Next when the VIA Service Pack README screen appears. 5. Select Normal Installation and click Next. 6. In the Setup Component window, check all the items and click Next. 7. Click Next to install the VIA PCI IDE Bus Driver. MB720 User’s Manual...
  • Page 56 APPENDIX 8. Click Next to install the VIA GART AGP Driver. 9. On the next window, click OK to restart the computer and for changes to take effect. MB720 User’s Manual...

  • Page 57: Realtek Ac'97 Codec Audio Driver Installation

    Click VIA CN400 Chipset Drivers. 2. Click on Realtek AC’97 Codec Audio Driver to start the installation. 2. To complete the installation process, click Next to restart the computer and for changes to take effect. MB720 User’s Manual...

  • Page 58: Realtek Lan Driver Installation

    Windows 98/98SE/ME/2000/XP. 1. Insert the CD that comes with the motherboard and the screen below would appear. Click on LAN Card. On the next screen, click on Realtek Network Interface Controller Drivers to start the installation process. MB720 User’s Manual...

  • Page 59: Via Raid Driver Installation

    Follow the steps below to install the VIA RAID Driver under Windows 98/98SE/ME/2000/XP. 1. Insert the CD that comes with the motherboard and the screen below would appear. Click VIA CN400 Chipset Drivers. 2. Click on VIA VT8237 RAID Driver. MB720 User’s Manual...
  • Page 60 5. Select all components and click Next. 6. The following screen shows you the status of the installation. Click Next to continue. When prompted, restart the computer for changes to take effect and complete the installation process. MB720 User’s Manual...

  • Page 61: Via Usb 2.0 Driver Installation

    1. Insert the CD that comes with the motherboard and the screen below would appear. Click VIA CN400 Chipset Drivers. 2. Click on VIA USB 2.0 Driver. 3. When the welcome screen appears, click Next. 4. Click Next to proceed with the installation. MB720 User’s Manual...

  • Page 62: Via Cn400 Vga Driver Installation

    1. Insert the CD that comes with the motherboard and the screen below would appear. Click VIA CN400 Chipset Drivers. 2. Click on VIA CN400 Display Controller Driver to start the installation. 2. Click Finish to complete the installation. MB720 User’s Manual...

  • Page 63: 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) MB720 User’s Manual...

  • Page 64: Interrupt Request Lines (Irq)

    Serial Port #2 IRQ4 Serial Port #1 IRQ5 Reserved IRQ6 Floppy Disk Controller IRQ7 Parallel Port #1 IRQ8 Real Time Clock IRQ9 Reserved IRQ10 Reserved IRQ11 Reserved IRQ12 PS/2 Mouse IRQ13 80287 IRQ14 Primary IDE IRQ15 Secondary IDE MB720 User’s Manual...

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