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Socket MB850 User Manual

Socket 478 pentium 4 intel 845gv mini itx
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MB850
Socket 478 Pentium 4
Intel 845GV Mini ITX
USER'S MANUAL
Version 1.0

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Summary of Contents for Socket MB850

  • Page 1 MB850 Socket 478 Pentium 4 Intel 845GV Mini ITX USER’S MANUAL Version 1.0...
  • Page 2 Intel and Pentium 4 are registered trademarks of Intel 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. MB850 User’ s Manual...

  • Page 3: Table Of Contents

    Intel Chipset Software Installation Utility ......53 Intel 845GV Chipset Graphics Driver Installation....56 AC97 Codec Audio Driver Installation......59 Realtek RTL8139 LAN Drivers Installation .....61 Appendix ............64 A. I/O Port Address Map..........64 B. Interrupt Request Lines (IRQ) ........65 MB850 User’ s Manual...
  • Page 4 This page is intentionally left blank. MB850 User’ s Manual...

  • Page 5: Introduction

    256-KB L2 cache, Pentium 4 processor with 512-KB L2 cache on 0.13 micron process and Pentium 4 Mobile processor*. The I/O functions are on MB850 integrated onto the ICH4. It supports the integrated graphics device (IGD) on the GMCH. The IGD has 3D, 2D, and video capabilities.

  • Page 6: Checklist

    INTRODUCTION Checklist Your MB850 package should include the items listed below. The MB850 P4 embedded board This User’s Manual 1 CD containing chipset drivers and flash memory utility Optional cables such as: 1 slim FDD Ribbon Cable (For MB850F only) 2 IDE Ribbon Cables (40-pin &...

  • Page 7: Specifications

    Specifications Product Name MB850 Form Factor Mini ITX (170mm x 170mm) CPU Type Socket 478 Intel Pentium 4 or Intel Pentium 4 Mobile CPU Voltage 1.1V~1.75V System Speed Pentium 4 1.7G~3.06G; P4-M 1.7G~2.2GHz Front Side Bus Pentium 4 400/533MHz; P4-M 400 MHz 100MHz x 4 Green /APM APM1.2...

  • Page 8: Board Dimensions

    INTRODUCTION Board Dimensions MB850 User’ s Manual...

  • Page 9: Installations

    INSTALLATIONS Installations This section provides information on how to use the jumpers and connectors on the MB850 in order to set up a workable system. The topics covered are: Installing the CPU................6 Installing the Memory.................7 Setting the Jumpers ................8 Connectors on MB850 ..............13 Watchdog Timer Configuration............22...

  • Page 10: Installing The Cpu

    Place the processor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket. Once the processor has slide into the socket, return the lever to the lock position. Refer to the figures below.

  • Page 11: Installing The Memory

    INSTALLATIONS Installing the Memory The MB850 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. Intel 845GV supports configurations defined in the JEDEC DDR DIMM specification only.

  • Page 12: Setting The Jumpers

    INSTALLATIONS Setting the Jumpers Jumpers are used on MB850 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 MB850 and their respective functions.
  • Page 13 INSTALLATIONS Jumper Locations on MB850 Jumper on MB850............. Page Configuring the CPU Frequency ..........10 JP4: Keyboard/Mouse Power Setting........10 J8: RTL8100BL LAN Enable/Disable .........10 JP16: LVDS Panel Power Select..........10 JP17: Clear CMOS Contents ..........11 JP11: COM1 RS232 +5V / +12V Power Setting ....11 JP5: COM2 RS232 +5V / +12V Power Setting....11...

  • Page 14: Configuring The Cpu Frequency

    INSTALLATIONS Configuring the CPU Frequency The MB850 embedded board does not provide DIP switches to configure the processor speed (CPU frequency). JP4: Keyboard/Mouse Power Setting Pin # Signal Name KB/MS power +5VSB Default: 1-2 short J8: RTL8100BL LAN Enable/Disable 10/100Mb LAN...

  • Page 15: Jp17: Clear Cmos Contents

    JP14: COM3 RS232 +5V / +12V Power Setting Pin # Pin # Signal Name JP14 Signal Name +12V RI (Default) RI (Default) COM3 Settings: Pin 1-2 short = +12V, Pin 5-6 short = +5V, Pin 3-4 Standard COM Port MB850 User’ s Manual...

  • Page 16: Jp13: Com4 Rs232 +5V / +12V Power Setting

    COM4 Settings: Pin 1-2 short = +12V, Pin 6-5 short = +5V, Pin 3-4 Standard COM Port JP18: AT or ATX Power Setting JP18 Setting Function Pin 1-2 ATX Power (Default) Short/Closed Pin 2-3 AT Power Short/Closed MB850 User’ s Manual...

  • Page 17: Connectors On Mb850

    INSTALLATIONS Connectors on MB850 The connectors on MB850 allows you to connect external devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following table lists the connectors on MB850 and their respective functions. Connector Locations on MB850............14 JV1, JP15: TV out Connector (RCA Jack and 3-pin Header)..15...

  • Page 18: Connector Locations On Mb850

    INSTALLATIONS Connector Locations on MB850 Connector on MB850 .....................Page JV1, JP15: TV out Connector (RCA Jack and 3-pin Header)..........15 J1: ATX 12V/+12V Power Connector .................15 J2: ATX Power Supply Connector..................15 J3: External PS/2 Keyboard Connector ................15 J4: IrDA Connector......................16 CN5: Serial Ports .......................16 IDE1, IDE2: EIDE Connectors ...................17...

  • Page 19: Jv1, Jp15: Tv Out Connector (Rca Jack And 3-Pin Header)

    Pin # Signal Name Ground Ground +12V +12V J2: ATX Power Supply Connector Signal Name Pin # Pin # Signal Name 3.3V 3.3V -12V 3.3V Ground Ground PS-ON Ground Ground Ground Ground Ground Power good 5VSB +12V MB850 User’ s Manual...

  • Page 20: J3: External Ps/2 Keyboard Connector

    Pin # Signal Name (RS-232) DCD, Data carrier detect RXD, Receive data TXD, Transmit data DTR, Data terminal ready Ground DSR, Data set ready RTS, Request to send CTS, Clear to send RI, Ring indicator No Connect. MB850 User’ s Manual...

  • Page 21: Fdd1: Floppy Drive Connector

    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 MB850 User’ s Manual...

  • Page 22: Fan1, Fan3: System Fan Power Connector

    Pin # Signal Name Ground +12V Rotation detection FAN2: CPU Fan Power Connector FAN3 is a 3-pin header for the CPU fan. The fan must be a 12V fan. Pin # Signal Name Ground +12V Rotation detection MB850 User’ s Manual...

  • Page 23: J9, J7: Lvds Connectors (1St Channel, 2Nd Channel)

    Ground J11: System Function Connector Signal Name Signal Name Ground PS_ON Power LED Ground HDD Active Ground Reset ATX power on switch: Pins 1-2 Power LED: Pins 3-4 HDD LED: Pins 5-6 Reset switch: Pins 7-8 MB850 User’ s Manual...

  • Page 24: J12: Panel Inverter Power Connector

    Wake On LAN will function properly only with an ATX power supply with 5VSB that has 200mA. Pin # Signal Name +5VSB Ground -PME CN2: Digital 4-in 4-out I/O Connector Signal Name Signal Name Ground Out3 Out1 Out2 Out0 Int3 Int1 Int2 Int0 MB850 User’ s Manual...

  • Page 25: Cn6: Rj45 Connector

    CN7 is a 6-pin header that is used to connect to the optional audio cable card that integrates jacks for Line Out and Mic. Signal Name Pin # Pin # Signal Name LINEOUT_R LINEOUT_L Ground Ground MIC 1 MIC 2 CN8: Line Out, Line In, Mic Connector MB850 User’ s Manual...

  • Page 26: Watchdog Timer Configuration

    ; OUT : None ;[]================================================ Enable_And_Set_Watchdog Proc Near push ;save time interval call Unlock_Chip cl, 2Bh call Read_Reg and al, NOT 10h call Write_Reg ;set GP24 as WDTO cl, 07h al, 08h call Write_Reg ;switch to LD8 MB850 User’ s Manual...
  • Page 27 Near call Unlock_Chip cl, 07h al, 08h call Write_Reg ;switch to LD8 xor al, al cl, 0F6h call Write_Reg ;clear watchdog timer xor al, al cl, 30h call Write_Reg ;watchdog disabled call Lock_Chip Disable_Watchdog Endp ;[]=============================================== MB850 User’ s Manual...
  • Page 28 ; Name : Write_Reg ; IN : CL - register index AL - Value to write ; OUT : None ;[]================================================ Write_Reg Proc Near push dx, 4Eh al,cl out dx,al pop ax inc dx out dx,al Write_Reg Endp ;[]================================================ MB850 User’ s Manual...
  • Page 29 ; Name : Read_Reg ; IN : CL - register index ; OUT : AL - Value to read ;[]================================================ Read_Reg Proc Near Mov al, cl dx, 4Eh out dx, al inc dx in al, dx Read_Reg Endp ;[]================================================ MB850 User’ s Manual...

  • Page 30: Digital I/O Sample Code

    #define W627HF_INDEX_PORT (W627_IOBASE+0) #define W627HF_DATA_PORT (W627_IOBASE+1) //===================================================================== #define W627HF_REG_LD 0x07 //===================================================================== #define W627HF_UNLOCK 0x87 #define W627HF_LOCK 0xAA //===================================================================== void Set_W627HF_LD( unsigned char); void Set_W627HF_Reg( unsigned char, unsigned char); unsigned char Get_W627HF_Reg( unsigned char); //===================================================================== #endif //__W627HF_H MB850 User’ s Manual...
  • Page 31 Lock_W627HF(); //===================================================================== void Set_W627HF_Reg( unsigned char REG, unsigned char DATA) Unlock_W627HF(); outportb(W627HF_INDEX_PORT, REG); outportb(W627HF_DATA_PORT, DATA); Lock_W627HF(); //===================================================================== unsigned char Get_W627HF_Reg( unsigned char REG) unsigned char Result; Unlock_W627HF(); outportb(W627HF_INDEX_PORT, REG); Result = inportb(W627HF_DATA_PORT); Lock_W627HF(); return Result; //===================================================================== MB850 User’ s Manual...
  • Page 32 Set_W627HF_Reg(0xF1, ((ucDO & 0x0F) << 4)); ucBuf = Get_W627HF_Reg(0xF1) & 0x0F; if (ucBuf != ucDI) ucDI = ucBuf; printf("Digital I/O Input Changed. Current Data is 0x%X\n",ucDI); if (kbhit()) getch(); break; delay(500); return 0; //===================================================================== void ClrKbBuf(void) while(kbhit()) getch(); MB850 User’ s Manual...
  • Page 33 INSTALLATIONS //--------------------------------------------------------------------------- MB850 User’ s Manual...

  • Page 34: Bios Setup

    Standard CMOS Setup...............33 Advanced BIOS Features..............36 Advanced Chipset Features..............39 Integrated Peripherals.................42 Power Management Setup..............45 PNP/PCI Configurations..............48 PC Health Status................49 Frequency/Voltage Control...............50 Load Fail-Safe Defaults..............51 Load Setup Defaults................51 Set Supervisor/User Password ............51 Save & Exit Setup................51 Exit Without Saving................51 MB850 User’ s Manual...

  • Page 35: 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. MB850 User’ s Manual...
  • Page 36 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. MB850 User’ s Manual...

  • Page 37: 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. MB850 User’ s Manual...
  • Page 38 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. MB850 User’ s Manual...
  • Page 39 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. MB850 User’ s Manual...

  • Page 40: Advanced Bios Features

    Enabled. Quick Power On Self Test When enabled, this field speeds up the Power On Self Test (POST) after the system is turned on. If it is set to Enabled, BIOS will skip some items. MB850 User’ s Manual...
  • Page 41 Settings are from 6 to 30 characters per second. Typematic Delay (Msec) When the typematic rate is enabled, this item allows you to set the time interval for displaying the first and second characters. By default, this item is set to 250msec. MB850 User’ s Manual...
  • Page 42 Disabled, the BIOS will not report the missing floppy drive to Win95/98. Small Logo (EPA) Show The EPA logo appears at the right side of the monitor screen when the system is boot up. The default setting is Enabled. MB850 User’ s Manual...

  • Page 43: Advanced Chipset Features

    This option allows you to insert a delay between the RAS (Row Address Strobe) and CAS (Column Address Strobe) signals. This delay occurs when the SDRAM is written to, read from or refreshed. Reducing the delay improves the performance of the SDRAM. MB850 User’ s Manual...
  • Page 44 On-Chip VGA By default, the On-Chip VGA or chipset-integrated VGA is Enabled. On-Chip Frame Buffer Size The On-Chip Frame Buffer Size can be set us 1MB or 8MB. This memory is shared with the system memory. MB850 User’ s Manual...
  • Page 45 Off. Video Connector The video connector field selects the video connector as automatic, Composite, Component, or Both. TV Format This field sets the TV format that can be applied. The default setting is Auto. MB850 User’ s Manual...

  • Page 46: Integrated Peripherals

    These fields allow your system hard disk controller to work faster. Rather than have the BIOS issue a series of commands that transfer to or from the disk drive, PIO (Programmed Input/Output) allows the BIOS to communicate with the controller and CPU directly. MB850 User’ s Manual...
  • Page 47 This field allows your hard disk controller to use the fast block mode to transfer data to and from your hard disk drive. Power On Function This field sets how the system can be powered on from a system off state. The default setting is Button Only. MB850 User’ s Manual...
  • Page 48 This field allows you to determine parallel port mode function. Standard Printer Port Enhanced Parallel Port Extended Capabilities Port PWRON After PWR-Fail This field sets the system power status whether on or off when power returns from a power failure situation. MB850 User’ s Manual...

  • Page 49: 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. MB850 User’ s Manual...
  • Page 50 You may select the percent of time that the clock runs. Power On by Ring This field enables or disables the power on of the system through the modem connected to the serial port or LAN. MB850 User’ s Manual...
  • Page 51 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. MB850 User’ s Manual...

  • Page 52: Reset Configuration Data

    This field allows you to set whether or not MPEG ISA/VESA VGA cards can work with 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. MB850 User’ s Manual...

  • Page 53: Pc Health Status

    This field allows the user to set the Fan warning so that when the CPU(Fan3)/Sys.(Fan1)/Aux.(Fan2) is stop runing, the system sounds a warning, this function can help user to prevent damage the system that is caused by Fan stop running. MB850 User’ s Manual...

  • Page 54: Auto Detect Pci Clk

    This field enables or disables the auto detection of the PCI 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 MB850 User’ s Manual...

  • Page 55: 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. MB850 User’ s Manual...

  • Page 56: Drivers Installation

    Realtek AC97 Codec Audio Driver Installation....59 Realtek RTL8100 LAN Drivers Installation..... 61 IMPORTANT NOTE: After installing your Windows operating system (Windows 98/98SE/ME/2000/XP), you must install first the Intel Chipset Software Installation Utility before proceeding with the drivers installation. MB850 User’ s Manual...

  • Page 57: Intel Chipset Software Installation Utility

    Follow the instructions below to complete the installation under Windows 98/98SE/ME/2000/XP. 1. Insert the CD that comes with the motherboard and the screen below would appear. Click Intel Chipsets and then Intel 845GV Chipset Drivers. 2. Click Intel Chipset Software Installation Utility. MB850 User’ s Manual...

  • Page 58: Driver Installation

    DRIVER INSTALLATION 3. When the Welcome screen appears, click Next to continue. 4. Click Yes to accept the software license agreement and proceed with the installation process. MB850 User’ s Manual...
  • Page 59 6. The Setup process is now complete. Click Finish to restart the computer and for changes to take effect. When the computer has restarted, the system will be able to find some devices. Restart your computer when prompted. MB850 User’ s Manual...

  • Page 60: Intel 845Gv Chipset Graphics Driver Installation

    1. Insert the CD that comes with the motherboard. Click Intel Chipsets on the left side of the screen. Then select, Intel 845GV Chipset Drivers, then Intel 845G Family Graphics Driver. 2.Click Next to continue. 3. When the Welcome screen appears, click Next to continue. MB850 User’ s Manual...
  • Page 61 DRIVERS INSTALLATION 3. Click Yes to accept the software license agreement and proceed with the installation process. MB850 User’ s Manual...
  • Page 62 DRIVER INSTALLATION 4. The Setup process is now complete. Click Finish to restart the computer and for changes to take effect. Restart your computer when prompted. MB850 User’ s Manual...

  • Page 63: Ac97 Codec Audio Driver Installation

    1. Insert the CD that comes with the CPU card and the screen below would appear. Click Intel Chipsets. Click AC97 Codec Audio Drivers to start the drivers installation. 2. Click Yes to continue the installation. MB850 User’ s Manual...
  • Page 64 DRIVER INSTALLATION 3. Click Finish to restart the computer and for changes to take effect. . MB850 User’ s Manual...

  • Page 65: Realtek Rtl8139 Lan Drivers Installation

    1. Insert the CD that comes with the CPU. In the initial screen, click on LAN Card on the left side. Then, select Realtek RTL8139x LAN Drivers. 2. When the Welcome screen appears, click Next to start the drivers instalation. MB850 User’ s Manual...
  • Page 66 DRIVER INSTALLATION 3. Click Finish to complete the setup and for changes to take effect. MB850 User’ s Manual...
  • Page 67 DRIVERS INSTALLATION This page is intentionally left blank. MB850 User’ s Manual...

  • Page 68: 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) MB850 User’ s Manual...

  • Page 69: 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 MB850 User’ s Manual...

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