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MB890 Intel Pentium ® M Mini-ITX Motherboard USER’S MANUAL Version 1.1A.
ii MB890 User’s Manual Acknowledgments Award is a registered trademark of Award Software International, Inc. PS/2 is a trademark of International Business Machines Corporation. Intel and Pentium M are registered trademarks of Intel Corporation. Microsoft Windows is a regist ered trademark of Microsoft Corporation.
MB890 User’s Manual iii Table of Contents Introduction ....................................................... 1 Product Description ............................................................. 1 Checklist ..........................................
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INTRODUCTION MB890 User’s Manual 1 Introduction Product Description The MB890 Mini ITX board incorporates the Intel ® advanced 855GME Chipset that contains two core components: the Memory Controller Hub (GMCH) and ICH4.
INTRODUCTION 2 MB890 User’s Manual Checklist Your MB890 package should include the i tems l isted below. • The MB890 Pentium ® M Mini-ITX m otherboard • This User’s Manual • 1 CD containing.
INTRODUCTION MB890 User’s Manual 3 MB890 Specifications [ CPU Type Micro-FCPGA Intel ® Pentium ® M processor System Speed Up to 1.8GHz CPU Frequenc y 400 MHz CPU Socket Socket 479 Chipset Intel ®.
INTRODUCTION Board Dimensions 4 MB890 User’s Manual.
INSTALLATIONS MB890 User’s Manual 5 Installations This section provides inform ation on how to use the jum pers and connectors on the M B890 in order to set up a workable syst em. The topics covered are: Installing the CPU ..........................
INSTALLATIONS Installing the CPU The MB890 board supports a Socket 479 processor socket for Intel ® Pentium ® M or Celeron ® M processors. The processor socket come s with a screw to secure the processor. As shown in the l eft picture below, loosen the screw first before inserti ng the processor.
INSTALLATIONS Installing the Memory The MB890 board supports one DDR me mory sockets for a m axim um total m emory of 1GB in DDR mem ory type. The mem o ry m odule capacities supported are 128MB, 256MB, 512MB and 1GB. The following tabl e lists t he supported DDR DIMM configurations.
INSTALLATIONS 8 MB890 User’s Manual Setting the Jumpers Jumpers are used on MB890 to select various settings and features according to your needs and applica tions. Contact your supplier if you have doubts about the best configurati on for your needs.
INSTALLATIONS Jumper Locations on MB890 Jumpers on MB890 ........................................................................... Page JP1: CPU Host Clock .......................................................................... 10 JP2: Power Mode Setting .
INSTALLATIONS JP1: CPU Host Clock SEL-0 SEL_1 (JP1) SEL_2 Host Clock 1 0 100MHz (default ) 1 0 133MHz JP2: Pow er Mode Setting JP2 Power Mode Simulate ATX Power Mode (default) AT Power Mode JP3: LVDS Pow er Setting JP3 LVDS Power +3.
INSTALLATIONS JP6, JP7, JP8: RS232/ 422/485 (COM2) Selection COM1 is fixed for RS -232 use only. COM2 is selectabl e for RS232, RS-422 and RS-485. The following table describes t he jumper settings for C OM2 selection.
INSTALLATIONS JP11: Clear CMOS Contents JP11 Setting Function Pin 1-2 Short/Closed Normal Pin 2-3 Short/Closed Clear CMOS JP13: Compact Flash Mode Setting JP13 CF Mode Slave Master J13: Intel ® 82541GI Gigabit LAN Enable/Disable J13 Gigabit LAN Enable Disable [ JP14: CPU VCCA Voltage Setting JP14 Setting Function Pin 1-2 Short/Closed 1.
INSTALLATIONS MB890 User’s Manual 13 Connectors on MB890 The connectors on MB890 allows you t o connect external devices such as keyboard, floppy disk drives, hard disk drives, printe rs, etc. The following table lists the connectors on MB 890 and their respective functions.
INSTALLATIONS Connector Locations on MB890 Connectors on MB890 ........................................................................................................... ............................ Page CN1: DC Jack for DC Adaptor ..................
INSTALLATIONS CN1: DC Jack for DC Adaptor The DC jack accepts input of 12V or 19V. CN2: PS/2 Keyboard and PS/2 Mouse Connectors PS/2 Mouse PS/2 Keyboard Signal Name Keyboard Mouse Signal Name Keyboard data 1 1 Mouse data N.C. 2 2 N.C. GND 3 3 GND 5V 4 4 5V Keyboard clock 5 5 Mouse clock N.
INSTALLATIONS CN4: Parallel Port Connector Signal Name Pin # Pin # Signal Name Line printer strobe 1 14 AutoFeed PD0, parallel data 0 2 15 Error PD1, parallel data 1 3 16 Initialize PD2, parallel data.
INSTALLATIONS COM2 is jum per selectable for RS-232, RS -422 and RS-485. Pin # Signal Name RS-232 R2-422 RS-485 1 DCD TX- DATA- 2 RX TX+ DATA+ 3 TX RX+ NC 4 DTR RX- NC 5 Ground Ground Ground 6 DSR RTS.
INSTALLATIONS J6, J8: LVDS Connectors (1st channel, 2nd channel) The LVDS connectors on board consist of the first channel (J6) and second channel (J8) and supports 24-bit or 48-bit . Signal Name Pin # Pin # Signal Name TX0- 2 1 TX0+ Ground 4 3 Ground TX1- 6 5 TX1+ 5V/3.
INSTALLATIONS J16: HDD Pow er Pin Header Signal Name Pin Pin Signal Name Vcc 2 1 Vcc NC 4 3 Ground J17: Mini PCI Socket J18, J19: Primary and Secondary IDE Connectors J18: Primary IDE Connector Signal.
INSTALLATIONS J19: Secondary IDE Connector Signal Name Pin # Pin # Signal Name Reset IDE 1 2 Ground Host data 7 3 4 Host data 8 Host data 6 5 6 Host data 9 Host data 5 7 8 Host data 10 Host data 4 9 1.
INSTALLATIONS J21: External Audio Connector J21 is a 12-pin header that is used t o connect t o t he opti onal audi o cabl e card that integrates jacks for Line In, Line Out and Mi c.
INSTALLATIONS J25: VGA CRT Connector Signal Name Pin Pin Signal Name R 1 9 +5V G 2 10 GND B 3 11 NC NC 4 12 DDCDAT GND 5 13 HSYNC GND 6 14 VSYNC GND 7 15 DDCCLK GND 8 16 TV out J26: Pow er Connector (for MB890D / MB890FD) Pin # Signal Name 1 PS_ON 2 5VSB 3 +3.
BIOS SETUP MB890 User’s Manual 23 BIOS Setup This chapter describes the different setting s available in the Award BIOS that comes with the board. The topics covered in this chapter are as follows: BIOS Introduction .................................
BIOS SETUP 24 MB890 User’s Manual BIOS Introduction The Award BIOS (Basic Input/Output Sy stem) inst alled in your computer sy stem’s ROM supports Intel processors. The BIOS provides critical l ow-level support for a standard device such as disk dri ves, serial ports and parallel ports .
BIOS SETUP MB890 User’s Manual 25 Phoenix - AwardBIOS CMOS Setup Utility Standard CMOS Features Frequency/Voltage Control Advanced BIOS Features Load Fail-Safe Defaults Advanced Chipset Features Loa.
BIOS SETUP 26 MB890 User’s Manual Standard CMOS Setup “Standard CMOS Setup” choice al lows you to record some basi c hardware configurations in your com puter system and set the system clock and error handling. If the m otherboard is already install ed in a working system, you will not need to select this option.
BIOS SETUP MB890 User’s Manual 27 Time The time format is: Hour : 00 to 23 Minute : 00 to 59 Second : 00 to 59 To set the time, hi ghlight the “Time” field and use the <PgUp>/ <PgDn> or +/- keys to set the current time.
BIOS SETUP 28 MB890 User’s Manual Video This field selects the type of video di splay card instal led i n your syst em . You can choose the following video displ ay cards: EGA/VGA For EGA, VGA, SEGA, SVGA or PGA monitor adapters. (default) CGA 40 Power up in 40 column m ode.
BIOS SETUP MB890 User’s Manual 29 Advanced BIOS Features This section allows you to configure and im prove your system and allows you to set up some system f eatures according to your preference.
BIOS SETUP 30 MB890 User’s Manual First/Second/Third Boot Device These fields determine the drive that the system searches first for an operating system . The options availabl e include Floppy , LS120 , HDD-0 , SCSI, CDROM, HDD-1 , HDD-2 , HDD-3 , ZIP100 , USB-FDD, USB-CDROM , USB-HDD and Disable .
BIOS SETUP MB890 User’s Manual 31 Security Option This field allows you to limit access to the System and Setup. The default value is Setup . When you select System, the system prompts for the User Password every ti me you boot up.
BIOS SETUP 32 MB890 User’s Manual Advanced Chipset Features This Setup me nu controls the configuration of t he chipset. Phoenix - AwardBIOS CMOS Setup Utility Advanced Chipset Features DRAM Timing .
BIOS SETUP MB890 User’s Manual 33 DRAM RAS# Precharge This option sets the num ber of cycles required for the R AS to accumulate its charge before the SDRAM refreshes. The default setting for the Active to Precharge Delay is 3 . DRAM Data Integrity Mode Select ECC if your m em ory m odul e supports i t.
BIOS SETUP 34 MB890 User’s Manual AGP Aperture Size The field sets aperture size of the gr aphics. The aperture is a portion of the PCI mem ory address range dedicated for graphics m emory address space. Host cycles that hit the aperture range ar e forwarded to the AGP without any translation.
BIOS SETUP MB890 User’s Manual 35 Integrated Peripherals This section sets configurations for your hard disk and ot her integrated peripherals. The first screen shows th ree main items for user to select. Once an item selected, a submenu appears. Details follow.
BIOS SETUP 36 MB890 User’s Manual Phoenix - AwardBIOS CMOS Setup Utility SuperIO Device Onboard FDC Controll er Enabled ITEM HELP Onboard Serial Port 1 3F8/IRQ4 Menu Level > Onboard Serial Port 2.
BIOS SETUP MB890 User’s Manual 37 USB 2.0 Controller The options for this field are Enabled and Disabled . By default, this field is set to Enabled . In order to use USB 2.0, necessary OS drivers must be installed first. Please update your system to Windows 2000 SP4 or Windows XP SP1.
BIOS SETUP 38 MB890 User’s Manual UART Mode Select This field determ ines the UART 2 m ode in your computer. The default value is Normal . Other options include IrDA and ASKIR . Parallel Port Mode This field allows y ou to determi ne parallel port m ode function.
BIOS SETUP MB890 User’s Manual 39 Power Management Setup The Power Managem ent Setup allows you to save energy of your system effectively. Phoenix - AwardBIOS CMOS Setup Utility Power Management Set.
BIOS SETUP 40 MB890 User’s Manual Video Off Method This field defines the Video Off features. There are three options. V/H SYNC + Blank Default setting, blank the screen and turn off vertical and horizontal scanning. DPMS Allows BIOS to control t he video display.
BIOS SETUP MB890 User’s Manual 41 Pow er On by Ring This field enables or disabl es the power on of the system through the modem connected to the serial port or LAN. Resume by Alarm This field enables or disabl es the resumption of the system operation.
BIOS SETUP 42 MB890 User’s Manual PNP/PCI Configurations This option configures the PCI bus sy stem. All PCI bus system s on the system use INT#, thus all installed PCI cards must be set to this value.
BIOS SETUP MB890 User’s Manual 43 PC Health Status This section shows the parameters in determining the PC Health Status. These parameters include tem perat ures, fan speeds and voltages. Phoenix - AwardBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature 85°C ITEM HELP Shutdown Temperature Disabled Menu Level > System Temp.
BIOS SETUP 44 MB890 User’s Manual Frequency/Voltage Control This section shows the user how to configure t he processor frequency. Phoenix - AwardBIOS CMOS Setup Utility Frequency/Voltag e Control A.
BIOS SETUP MB890 User’s Manual 45 Load Fail-Safe Defaults This option allows y ou to load the t roubleshooting default values permanently stored in the BIOS ROM.
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DRIVERS INSTALLATION MB890 User’s Manual 47 Drivers Installation This section describes the in stalla tion procedures for software and drivers under the Windows 98SE, Windows ME, Windows 2000 and Windows XP. The software and drivers are included with the motherboard.
DRIVER INSTALLATION Intel Chipset Software Intallation Utility The Intel Chipset Drivers should be i nstalled first before t he software drivers to enable Plug & Pl ay INF support for Int el chi pset com ponent s. Follow the instructions bel ow to complete t he installation under Windows 98SE/ME/2000/XP.
DRIVERS INSTALLATION 4. Click Ye s to accept the software license agreement and proceed with the installation pro cess. 5. On Readme Inform ation screen, click Next to continue the installation. 6. The Setup process is now complet e. Click Finish to restart the computer and for changes to ta ke effect.
DRIVER INSTALLATION VGA Drivers Installation To install the VGA drivers, follow the steps belo w to proceed with the installation. 1. Insert the CD that comes with the motherboard. Click Intel Chipsets and then Intel(R) 855GME C hipset Drivers . 2. Click Intel (R) 855GME Chipset F amily Graphics Driver.
DRIVERS INSTALLATION AC97 Codec Audio Driver Installation Follow the step s below to install th e Realtek AC97 Codec Aud io Drivers. 1. Insert the CD that comes with the motherboard. Click Intel Chipsets and then Intel(R) 855GME C hipset Drivers . 2. Click Real tek AC'97 Codec A udio Driver.
DRIVER INSTALLATION Intel PRO LAN Drivers Installation Follow the steps below to complete the installation of the Intel PRO LAN drivers. 1. Insert the CD that comes with the motherboard. Click LAN Card and then Intel(R) PRO LAN Drivers . 2. Click Install Base Software to cont inue.
APPENDIX MB890 User’s Manual 53 Appendix A. I/O Port Address Map Each peripheral device in the system is assigned a set of I/O port addresses which also b ecomes the identity of the d evice.
APPENDIX 54 MB890 User’s Manual B. Interrupt Request Lines (IRQ) Peripheral devices use interrupt request l ines to notify CPU for the service required.
APPENDIX MB890 User’s Manual 55 C. Watchdog Timer Configuration The WDT is used to generate a variety of output signals after a user programm able count. The WDT is suitable for use i n the prevention of system lock-up, such as when soft ware becom es trapped in a deadlock.
APPENDIX 56 MB890 User’s Manual mov cl, 0F5h call Read_Reg and al, NOT 08h call Write_Reg ;set count mode as second pop ax mov cl, 0F6h call Write_R eg ;set watchdog timer mov al, 01h mov cl, 30h ca.
APPENDIX MB890 User’s Manual 57 ; Name : Unlock_Chip ; IN : None ; OUT : None ;[]=============================================== Unlock_Chip Proc Near Mov dx, 4Eh mov al, 87h out dx, al out dx, al r.
APPENDIX 58 MB890 User’s Manual ; Name : Read_Reg ; IN : CL - register index ; OUT : AL - Value to read ;[]================================================= == Read_Reg Proc Near Mov al, cl mov dx, .
APPENDIX MB890 User’s Manual 59 D. Digital I/O Sample Code Filename: W 627hf. h //===================================================================== // // THIS CODE AND INFORMATION IS PROVIDED &q.
APPENDIX 60 MB890 User’s Manual Filename: W 627hf.cpp //===================================================================== // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WA.
APPENDIX MB890 User’s Manual 61 //===================================================================== // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, IN CLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND/ OR FITNESS FOR A PARTICULAR // PURPOSE.
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