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Advantech AIMB-744 Series User Manual

Socket 478 intel pentium 4/celeron industrial atx motherboard with pci-x/ddr/ agp/dual gbe/800 mhz fsb
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AIMB-744
Socket 478 Intel® Pentium®
4/Celeron® Industrial ATX
Motherboard with PCI-X/DDR/
AGP/Dual GbE/800 MHz FSB
User's Manual

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Summary of Contents for Advantech AIMB-744 Series

  • Page 1 AIMB-744 Socket 478 Intel® Pentium® 4/Celeron® Industrial ATX Motherboard with PCI-X/DDR/ AGP/Dual GbE/800 MHz FSB User’s Manual...

  • Page 2: Copyright Notice

    Copyright Notice This document is copyrighted, 2005, by Advantech Co., Ltd. All rights are reserved. Advantech Co., Ltd. reserves the right to make improve- ments to the products described in this manual at any time without notice. No part of this manual may be reproduced, copied, translated or transmit- ted in any form or by any means without the prior written permission of Advantech Co., Ltd.
  • Page 3 1.0.1 A Message to the Customer Advantech customer services Each and every Advantech product is built to the most exacting specifica- tions to ensure reliable performance in the harsh and demanding condi- tions typical of industrial environments. Whether your new Advantech...
  • Page 4 AIMB-744 User’s Manual...

  • Page 5: Product Warranty

    Advantech assumes no liability under the terms of this warranty as a consequence of such events. If an Advantech product is defective, it will be repaired or replaced at no charge during the warranty period. For out-of-warranty repairs, you will be billed according to the cost of replacement materials, service time and freight.
  • Page 6 744 mechanically and electrically before shipment. It should be free of marks and scratches and in perfect working order upon receipt. As you unpack the AIMB-744, check it for signs of shipping damage. (For exam- ple, damaged box, scratches, dents, etc.) If it is damaged or it fails to meet the specifications, notify our service department or your local sales repre- sentative immediately.

  • Page 7: Table Of Contents

    Board Layout: Jumper and Connector Locations....8 Figure 1.1:Jumper and Connector locations ....8 Figure 1.2:I/O Connectors ..........8 AIMB-744 Block Diagram..........9 Figure 1.3: AIMB-744 Block Diagram......9 Safety Precautions ............10 Jumper Settings ............... 11 1.8.1 How to set jumpers ............11 1.8.2...
  • Page 8 Hard Disk Boot Priority..........34 3.4.2 Virus Warning............... 34 3.4.3 CPU L1 & L2 Cache............. 34 3.4.4 Hyper-Threading Technology........34 3.4.5 Quick Power On Self Test ..........35 3.4.6 First/Second/Third Boot Device ........35 3.4.7 Boot Other Device ............35 AIMB-744 User’s Manual viii...
  • Page 9 3.4.8 Swap Floppy Drive ............35 3.4.9 Boot UP Floppy Seek ........... 35 3.4.10 Boot Up NumLock Status..........35 3.4.11 Gate A20 Option............35 3.4.12 Typematic Rate Setting..........35 3.4.13 Typematic Rate (Chars/Sec) ......... 35 3.4.14 Typematic Delay (msec)..........35 3.4.15 Security Option .............
  • Page 10 Current CPUFAN Speed..........47 3.9.5 VCORE, +1.5V, VCC3, +5V, +12V, -12V, -5V, VBAT(V), 5VSB(V)47 3.10 Spread Spectrum Control ..........48 Figure 3.12:Spread Spectrum Control screen ....48 3.10.1 CPU Clock Ratio ............48 3.10.2 Spread Spectrum ............48 AIMB-744 User’s Manual...
  • Page 11 3.11 Password Setting ............. 48 3.12 Save & Exit Setup ............49 3.13 Exit Without Saving ............49 Chapter 4 Chipset Software Install Utility.....52 Before you begin ............. 52 Introduction ..............52 Windows XP Driver Setup..........53 Chapter 5 VGA Setup ............58 Introduction ..............
  • Page 12 System I/O Ports............102 Table B.26:System I/O ports ........102 B.27 DMA Channel Assignments.......... 103 Table B.27:DMA channel assignments ...... 103 B.28 Interrupt Assignments ........... 104 Table B.28:Interrupt assignments ....... 104 B.29 1st MB Memory Map............ 104 AIMB-744 User’s Manual...
  • Page 13 Table B.29:1st MB memory map ....... 104 B.30 PCI Bus Map ..............105 Table B.30:PCI bus map (for VE, E2 version) ... 105 Table B.31:PCI bus map (for VG, G2 version) ..105 xiii...
  • Page 14 AIMB-744 User’s Manual...
  • Page 15 General Information...

  • Page 16: Chapter 1 Hardware Configuration

    It meets the requirements of a variety of applications where a commercial motherboard cannot fit. The AIMB-744 uses Intel's 875P with 6300ESB chipset to support Intel's Socket 478 Pentium 4 and Celeron processor with 800/533/400 MHz front side bus. The dual channel DDR 400 SDRAM interface provides bottleneck free memory bandwidth up to 6.4GB/s.

  • Page 17: Features

    CMOS backup functions, etc. PCI-X and PCI bus support: AIMB-744 equips with two 64-bit PCI-X (66MHz) slots and 4 32-bit PCI slots , providing the high performance computing systems.

  • Page 18: Memory

    IDE devices. Supports PIO mode 4 (16.67MB/s data transfer rate) and ATA 33/66/100 (33/66/100MB/s data transfer rate.) BIOS enabled/disabled. AIMB-744 also supports software SATA RAID (RAID1/0) • Floppy disk drive interface: Supports up to two floppy disk drives, 5¼"...

  • Page 19: Industrial Features

    • Board weight: 0.7 kg (1.68 lb) 1.4 Jumpers and Connectors Connectors on the AIMB-744 motherboard link it to external devices such as hard disk drives and a keyboard. In addition, the board has a num- ber of jumpers used to configure your system for your application.
  • Page 20 CN32 USB port 2, 3 & LAN2 CN37 System FAN connector 2 CN38 Serial port: COM2 CN55 Line Out, Mic IN connector CN56 CD IN (Audio input from CD-ROM) CN57 AUX IN connector CN59 FP AUDIO connector AIMB-744 User’s Manual...
  • Page 21 Table 1.2: Connectors CN62 8-pin Alarm Board Connector CN64 Case Open Serial ATA 0 Serial ATA 1 USB switch 1 USB switch 2 ATX1 ATX 12V Auxiliary power connector ATX2 ATX power connector...

  • Page 22: Board Layout: Jumper And Connector Locations

    C N 6 2 C N 2 S A 0 S A 1 C N 1 2 C N 3 7 C N 1 Figure 1.1: Jumper and Connector locations CN55 CN31 CN32 CN11 Figure 1.2: I/O Connectors AIMB-744 User’s Manual...

  • Page 23: Aimb-744 Block Diagram

    U S B 2 . 0 / 1 . 1 H ance R apids A udio C odec A C - 9 7 L P C B u s S upe r I O B I O S Winbond W83627 Figure 1.3: AIMB-744 Block Diagram...

  • Page 24: Safety Precautions

    Do not attempt to recharge, force open, or heat the battery. Replace the battery only with the same or equivalent type recommended by the manufac- turer. Discard used batteries according to the manufacturer’s instructions. AIMB-744 User’s Manual...
  • Page 25 This device complies with the requirements in part 15 of the FCC rules: Operation is subject to the fol- lowing two conditions: 1.This device may not cause harmful interference, 2.This device must accept any interference received, including interference that may cause undesired operation This equipment has been tested and found to com- ply with the limits for a Class A digital device, pursu-...

  • Page 26: Jumper Settings

    * default setting 1.8.3 Watchdog timer output (J2) The AIMB-744 contains a watchdog timer that will reset the CPU or send a signal to IRQ11 in the event the CPU stops processing. This feature means the AIMB-744 will recover from a software failure or an EMI...
  • Page 27 1.8.4 PCI-X 33/66Mhz selection (J5 & J6) The AIMB-744 contains a PCI-X 33/66Mhz selection that enables the PCI-X slots different modes. The default mode is PCI 33MHz which close both J5 and J6. While close J6 only the slots work in PCI 66MHz mode.
  • Page 28 1.8.5 PCI-X slots 3.3V/5V selection (J8) The AIMB-744 contains a PCI-X 3.3V/5V selection that allows the user to select the operation voltage either 3.3V or 5V. The default setting is 3.3V which close pin1 and pin2. By closing pin2 and pin3, the operation voltage change to 5V.

  • Page 29: System Memory

    1.9 System Memory The AIMB-744 has four sockets for 184-pin dual inline memory modules (DIMMs) in two separated memory channels. It can operate with single channel or dual channel modules. We recommend to use dual channel mode to provide optimized performance.

  • Page 30: Dual Channel Configuration

    SRAM chips or SRAM modules. The built-in second-level cache in the processor yields much higher performance than the external cache memories. The cache size in the Intel ® Pentium ® 4 processor is 512/1024 KB. In the Celeron CPU, the cache size is 128/256KB. AIMB-744 User’s Manual...

  • Page 31: Processor Installation

    1.12 Processor Installation The AIMB-744 is designed for Intel Pentium® 4 processor/Celeron™ (socket 478)up to 3.4/2.8 GHz with HT technology. Note: Slim Heatsink & Fan is available from Advan- tech. Please contact with Advantech's sales representative if needed. Step 1 : Lift the processor socket lever...
  • Page 32 AIMB-744 User’s Manual...

  • Page 33: Chapter 2 Connecting Peripherals

    Connecting Peripherals Chapter 2...

  • Page 34: Introduction

    You can attach up to four IDE (Integrated Drive Electronics) drives to the AIMB-744’s built-in controller. The primary (CN1) and secondary (CN2) connectors can each accommodate two drives. Wire number 1 on the cable is red or blue and the other wires are gray.

  • Page 35: Floppy Drive Connector (Cn3)

    IDE can work as a slave device only and vice versa. 2.3 Floppy Drive Connector (CN3) You can attach up to two floppy disk drives to the AIMB-744's onboard controller. You can use 3.5" (720 KB, 1.44 MB) drives.

  • Page 36: Usb Ports (Cn6/Cn63)

    2.5 USB Ports (CN6; shared with CN32) CN6/CN63 The AIMB-744 provides up to four ports of USB (Universal Serial Bus) interface, which gives complete Plug & Play and hot swapping for up to 127 external devices. The USB interface complies with USB Specifica- tion Rev.

  • Page 37: Ps/2 Keyboard And Mouse Conn (Cn11)

    PS/2 keyboard and a PS/2 mouse, respectively. 2.8 External Keyboard Connector (CN12) CN12 In addition to the PS/2 mouse/keyboard connector on the AIMB-744's rear plate, there is also an extra onboard external keyboard connector. This gives system integrators greater flexibility in designing their sys- tems.

  • Page 38: Cpu Fan Connector (Cn14)

    If a system fan is used, these connector supports cooling fans of 500mA (6W) or less. 2.11 Front Panel Connectors (CN16, 17, 18, 19, 21&29) There are several external switches to monitor and control the AIMB-744 CN16,17,18,19,21,29 AIMB-744 User’s Manual...

  • Page 39: Power Led And Keyboard Lock (Cn16)

    2.11.2 External speaker (CN17) CN17 is a 4-pin connector for an external speaker. If there is no external speaker, the AIMB-744 provides an onboard buzzer as an alternative. To enable the buzzer, set pins 3-4 as closed 2.11.3 Reset (CN18) Many computer cases offer the convenience of a reset button.

  • Page 40: Sm Bus Connector (Cn29)

    2.13 USB and LAN ports (CN31 and CN32) CN32 CN31 The AIMB-744 provides up to four USB (Universal Serial Bus) ports, which gives complete Plug & Play and hot swapping for up to 127 exter- nal devices. The USB interface complies with USB Specification Rev. 2.0 support transmission rate up to 480 Mbps and is fuse-protected.

  • Page 41: Line Out, Mic In Connector (Cn55)

    The AIMB-744 is equipped with one or two high-performance 10/100/ 1000 Mbps Ethernet LANs. They are supported by all major network operating systems. The RJ-45 jacks on the rear plate provides convenient 10/100/1000 Base-T operation. 2.14 Line Out, Mic In connector (CN55) The Line Out is to output the audio signal to external audio device, like speakers or headphones.

  • Page 42: Aux Line-In Connector (Aux In; Cn57)

    Front Panel I/O Connectivity Design Guide. To direct the audio signal output to the rear audio ports, the 5 and 6 pins, 9 and 10 pins must be shorted by jumper to activate the rear panel audio function. AIMB-744 User’s Manual...

  • Page 43: 8-Pin Alarm Board Connector (Cn62)

    2.18 8-pin Alarm Board Connector (CN62) The 8-pin alarm board connector is for Advantech chassis with alarm board. 2.19 Case Open Connector (CN64) The 2-pin case open connector is for chassis with case open censor. While opening the case, the buzzer on motherboard will ring.

  • Page 44: Connecting To Snmp-1000 Remote Manager

    2.22 Auxiliary 4-pin power connector (ATX1) To ensure there is adequate power for a Pentium® 4 motherboard, one auxiliary 4 pin power connector is available on the AIMB-744. ATX1 must be used to provide sufficient 12V to ensure the stable operation of the system.
  • Page 45 Award BIOS Setup Chapter 3...

  • Page 46: Chapter 3 Award Bios Setup

    3.2 Entering Setup Turn on the computer and press <Del> to allow you to enter the BIOS setup. AIMB-744 User’s Manual...

  • Page 47: Standard Cmos Setup

    3.3 Standard CMOS Setup Figure 3.1: Award BIOS Setup initial screen Choose the “Standard CMOS Features” option from the “Initial Setup Screen” menu, and the screen below will be displayed. This menu allows users to configure system components such as date, time, hard disk drive, floppy drive, display, and memory.

  • Page 48: Advanced Bios Features

    The “Advanced BIOS Features” screen appears when choosing the “Advanced BIOS Features” item from the “Initial Setup Screen” menu. It allows the user to configure the AIMB-744 according to his particular requirements. Below are some major items that are provided in the Advanced BIOS Features screen.

  • Page 49: Quick Power On Self Test

    3.4.5 Quick Power On Self Test Allows the system to skip certain tests while booting. This will decrease the time needed to boot the system. 3.4.6 First/Second/Third Boot Device The BIOS tries to load the OS with the devices in the sequence selected. Choices are: "Floppy", "LS120", "HDD-0", "SCSI", "CDROM", "HDD- 1", "HDD-2", "HDD-3", "ZIP100", "USB-FDD", "USB-ZIP", "USB- CDROM", "USB-HDD", "LAN", "Disabled".

  • Page 50: Security Option

    3.5 Advanced Chipset Features By choosing the “Advanced Chipset Features” option from the “Initial Setup Screen” menu, the screen below will be displayed. This sample screen contains the manufacturer’s default values for the AIMB-744, as shown in Figure 3-4: AIMB-744 User’s Manual...

  • Page 51: Dram Timing Selectable

    Figure 3.4: Advanced chipset features screen 3.5.1 DRAM Timing Selectable This item allows you to control the DRAM speed. The selections are "Manual" or "By SPD". 3.5.2 CAS Latency Time This controls the latency between DDR RAM read command and the time that the data actually becomes available.

  • Page 52: System Bios Cacheable

    Host cycles that hit the aperture range are for- warded to the AGP without any translation. The Choice : "4", "8", "16", "32", "64", "128", and "256". 3.5.12 On-Chip Frame Buffer Size User can select frame buffer size. Option is :"1MB", "8MB" and "16MB". AIMB-744 User’s Manual...

  • Page 53: Integrated Peripherals

    3.6 Integrated Peripherals Figure 3.5: Integrated peripherals Figure 3.6: On-Chip IDE Device 3.6.1 IDE HDD Block Mode If your IDE hard drive supports block mode select Enabled for automatic detection of the optimal number of block read/writes per sector the drive can support.

  • Page 54: On-Chip Ide Device

    3.6.4 Serial ATA Port0/Port1 Mode Select the mode for SATA port0 and SATA port1. The choices are "Pri- mary Master", "Primary Slave", "Secondary Master", "Secondary Slave", "SATA0 Master" and "SATA1 Master". Figure 3.7: Onboard Device AIMB-744 User’s Manual...

  • Page 55: Usb Controller

    3.6.5 USB Controller Select Enabled if your system contains a Universal Serial Bus (USB) con- troller and you have USB peripherals. The choices: "Enabled", "Dis- abled" 3.6.6 USB 2.0 Controller This entry is for disable/enable USB2.0 controller only. The BIOS itself may/may not have high speed USB support.
  • Page 56 Figure 3.8: SuperIO Device AIMB-744 User’s Manual...

  • Page 57: Onboard Fdc Controller

    3.6.12 Onboard FDC Controller When enabled, this field allows you to connect your floppy disk drives to the onboard floppy disk drive connector instead of a separate controller card. If you want to use a different controller card to connect the floppy disk drives, set this field to Disabled.

  • Page 58: Epp Mode Select

    3.7 Power Management Setup The power management setup controls the single board computer's “green” features to save power. The following screen shows the manufac- turer’s defaults. Figure 3.9: Power management setup screen (1) 3.7.1 ACPI function The choice: "Enabled", "Disabled". AIMB-744 User’s Manual...

  • Page 59: Acpi Suspend Type

    3.7.2 ACPI Suspend Type The Choice : "S1(POS)", and "S3(STR)". While selecting "S3(STR)", the "Run VGABIOS if S3 Resume" and "Resume on USB from S3" will be active for selection. 3.7.3 Power Management This category allows you to select the type (or degree) of power saving and is directly related to the following modes: 1.

  • Page 60: Soft-Off By Pwr-Bttn

    When Enabled, the system will resume from suspend mode if FDD, COM port, or LPT port is active. The choice: "Enabled", "Disabled". 3.7.15 PCI PIRQ [A-D]# When Enabled, the system will resume from suspend mode if interrupt occurs. The choice: "Enabled", "Disabled". AIMB-744 User’s Manual...

  • Page 61: Pnp/Pci Configurations

    3.8 PnP/PCI Configurations Figure 3.10: PnP/PCI configurations screen 3.8.1 Reset Configuration Data Default is Disable. Select Enable to reset Extended System Configuration Data (ESCD) if you have installed a new add-on and system configura- tion has caused such a conflict that OS cannot boot. 3.8.2 Resources Controlled By The commands here are "Auto (ESCD)"...

  • Page 62: Pc Health Status

    3.9.4 Current CPUFAN Speed This shows you the current CPUFAN operating speed. 3.9.5 VCORE, +1.5V, VCC3, +5V, +12V, -12V, -5V, VBAT(V), 5VSB(V) This shows you the voltage of VCORE, +1.5V, VCC3, +5V, +12V, -12V, -5V, VBAT(V), and 5VSB(V). AIMB-744 User’s Manual...

  • Page 63: Spread Spectrum Control

    3.10 Spread Spectrum Control Figure 3.12: Spread Spectrum Control screen 3.10.1 CPU Clock Ratio Key in a DEC number to setup the CPU Clodk Ratio. (Min=8; Max=50). This item only shows up under some special situations. 3.10.2 Spread Spectrum To enable/disable the spread spectrum. The Choice : "Disabled", "- 0.40%", "- 0.50%", "- 0.60%"...

  • Page 64: Save & Exit Setup

    This record is required for the system to operate. 3.13 Exit Without Saving Selecting this option and pressing <Enter> lets you exit the setup program without recording any new values or changing old ones. AIMB-744 User’s Manual...
  • Page 65 Chipset Software Installation Utility Chapter 4...

  • Page 66: Chapter 4 Chipset Software Install Utility

    To facilitate the installation of the enhanced display device drivers and utility software, you should read the instructions in this chapter carefully before you attempt installation. The device drivers for the AIMB-744 board are located on the software installation CD. The auto-run function of the driver CD will guide and link you to the utilities and device drivers under a Windows system.

  • Page 67: Windows Xp Driver Setup

    • Identification of Intel ® chipset components in the Device Manager. • Integrates superior video features. These include filtered sealing of 720 pixel DVD content, and MPEG-2 motion compensation for soft- ware DVD Note: This utility is used for the following versions of Windows system, and it has to be installed before installing all the other drivers: Windows 98SE...
  • Page 68 Click "Next" when you see the following message. Click "Yes" when you see the following message. AIMB-744 User’s Manual...
  • Page 69 Click "Next" when you see the following message. When the following message appears, click "Finish" to complete the installation and restart Windows. Chapter 4...
  • Page 70 AIMB-744 User’s Manual...
  • Page 71 LAN Configuration Chapter 5...

  • Page 72: Introduction

    Chapter 5 LAN Configuration 5.1 Introduction The AIMB-744 features the 32-bit 10/100/1000 Mbps Ethernet network interface. This interface supports bus mastering architecture and auto- negotiation features. Therefore standard twisted-pair cabling with RJ-45 connectors for 10 Mbps, 100 Mbps and 1000 Mbps connections can be used.

  • Page 73: Installation

    See Chapter 4 for information on installing the CSI utility. The AIMB-744's onboard Ethernet interface supports all major network operating systems. However, the installation procedure varies with differ- ent operating systems. In the following sections, refer to the one that pro- vides driver setup procedure for the operating system you are using.
  • Page 74 Select "I accept the terms in the license agreement" and click "Next" to continue. Click "Next" to continue. AIMB-744 User’s Manual...
  • Page 75 Click "Install Software" to start the installation procedure. The driver will be installed automatically and the LAN function will be enabled after the installation. Chapter 5...
  • Page 76 AIMB-744 User’s Manual...

  • Page 77: Onboard Security Setup

    Onboard Security Setup Chapter 6...

  • Page 78: Introduction

    The AIMB-744's hardware monitor is designed with Winbond W83782D. Onboard security (OBS) functions monitor key hardware. They help you maintain your system's stability and durability. The AIMB-744 can moni- tor 5 sets of system positive voltages, 2 sets of system negative voltages, CPU cooling fan speed, and CPU temperature.
  • Page 79 Click "Next" when you see the following message. Chapter 6...
  • Page 80 Click "Next" when you see the following message. Click "Next" when you see the following message. AIMB-744 User’s Manual...
  • Page 81 Click "Next" to continue. Click "Finish" when you see the following message. Chapter 6...

  • Page 82: Using The Obs Hardware Doctor Utility

    From the desktop of Windows, click on "Start" and select "Pro- grams", select "Winbond HWDoctor" and click "HWDOCTOR." It is recommended that you load the default values for all the OBS settings. However, if desired, you can establish new conditions for voltage, fan speed, and temperature. AIMB-744 User’s Manual...
  • Page 83 Chapter 6...
  • Page 84 AIMB-744 User’s Manual...
  • Page 85 SATA RAID Setup...
  • Page 86 MB disk space 7.2 Entering Setup Turn on the computer and press <Ctrl> + <A> when follow- ing message prompted to enter the “Adaptec Embedded SATA HostRAID Controller” for setup: Press <Ctrl><A> for Adaptec RAID Configuration Utility AIMB-744 User’s Manual...

  • Page 87: Array Configuration Utility

    Figure 7.1: RAID Setup initial screen 7.3 Array Configuration Utility Select the “Array Configuration Utility” in the “Initial Setup Screen” menu, and the “SATA RAID Setup Main Menu screen” screen will display. This menu allows users to con- figure RAID function such as manage/create array, add/ delete hotspare and initialize drives.
  • Page 88 Press “Esc” to return to the previous menu 7.3.3 Creating Arrays Before creating arrays, please make sure that the disks for the array already connected and installed in the system. 1. Select “Create Array” from the setup main menu AIMB-744 User’s Manual...
  • Page 89 2. Select the disks for the new array then press “Insert”. To deselect any disk, highlight the disk then press “Delete” 3. Press “Enter” when both selected disks ready, then the Array Properties menu displays 4. In the Array Properties menu, select a type of array and press “Enter”.
  • Page 90 Rebuild task. All the data from the good disk will be copied to the new one, and the original RAID 0 or RAID 1 array will be recreated. AIMB-744 User’s Manual...
  • Page 91 7.3.9 Manual Rebuild Select “Manage Arrays” from the main menu Select and highlight the disk you want to rebuild, and then press “Ctrl + R” to Rebuild 7.3.10 Verifying Drives If having a mismatch of data during a build of RAID 1, you can verify the drives with following steps: 1.
  • Page 92 Windows searches the disk for a suitable driver When the Adaptec Embedded Serial ATA HostRAID driver is found, press “Enter”. Follow the instructions to complete your installation. AIMB-744 User’s Manual...
  • Page 93 Programming the Watchdog Timer Appendix A...

  • Page 94: Appendix A Programming The Watchdog Timer

    Appendix A Programming the watchdog timer A.1 Programming the Watchdog Timer The AIMB-744's watchdog timer can be used to monitor system software operation and take corrective action if the software fails to function after the programmed period. This section describes the operation of the watchdog timer and how to program it.
  • Page 95 Unlock W83627H Select register of watchdog timer Enable the function of the watchdog timer Use the function of the watchdog time Lock W83627HF Appendix A...
  • Page 96 (hex). This number decides how long the watchdog timer waits for strobe before generating an inter- rupt or reset signal. Writing a new value to this register can reset the timer to count with the new value. AIMB-744 User’s Manual...

  • Page 97: Example Program

    F7 (hex) read/write Bit 6: Write 1 to enable key- board to reset the timer, 0 to disable.[default] Bit 5: Write 1 to generate a timeout signal immediately and automatically return to 0. [default=0] Bit 4: Read status of watch- dog timer, 1 means timer is “time out”...
  • Page 98 Enable watchdog timer and set 5 minutes as timeout interval ;----------------------------------------------------------- Mov dx,2eh ; unlock W83627H Mov al,87h Out dx,al Out dx,al ;----------------------------------------------------------- Mov al,07h ; Select registers of watchdog timer Out dx,al Mov al,08h Out dx,al AIMB-744 User’s Manual...
  • Page 99 ;----------------------------------------------------------- Dec dx ; Enable the function of watchdog timer Mov al,30h Out dx,al Mov al,01h Out dx,al ;----------------------------------------------------------- Dec dx ; Set minute as counting unit Mov al,0f5h Out dx,al al,dx Or al,08h Out dx,al ;----------------------------------------------------------- Dec dx ; Set timeout interval as 5 minutes and start counting Mov al,0f6h Out dx,al Mov al,5...
  • Page 100 Mov al,0f7h Out dx,al al,dx Or al,80h Out dx,al ;----------------------------------------------------------- Dec dx ; lock W83627HF Mov al,0aah Out dx,al Enable watchdog timer to be reset by keyboard ;----------------------------------------------------------- Mov dx,2eh ; unlock W83627H Mov al,87h Out dx,al AIMB-744 User’s Manual...
  • Page 101 Out dx,al ;----------------------------------------------------------- Mov al,07h ; Select registers of watchdog timer Out dx,al Mov al,08h Out dx,al ;----------------------------------------------------------- Dec dx ; Enable the function of watchdog timer Mov al,30h Out dx,al Mov al,01h Out dx,al ;----------------------------------------------------------- Dec dx ; Enable watchdog timer to be strobed reset by keyboard Mov al,0f7h Out dx,al al,dx...
  • Page 102 Out dx,al ;----------------------------------------------------------- Dec dx ; Generate a time-out signal Mov al,0f7h Out dx,al ;Write 1 to bit 5 of F7 register al,dx Or al,20h Out dx,al ;----------------------------------------------------------- Dec dx ; lock W83627HF Mov al,0aah Out dx,al AIMB-744 User’s Manual...
  • Page 103 I/O Pin Assignments Appendix B...

  • Page 104: Appendix B Pin Assignments

    SIGNAL GND DISK DMA REQUEST IO WRITE IO READ IO CHANNEL READY CSEL HDACKO* IRQ14 IDSC16- ADDR 1 PDIAG ADDR 0 ADDR 2 HARD DISK SELECT 0* 38 HARD DISK SELECT 1* IDE ACTIVE* * low active AIMB-744 User’s Manual...

  • Page 105: Floppy Drive Connector (Cn3)

    B.2 Floppy Drive Connector (CN3) Table B.2: Floppy drive connector (CN3) Signal Signal FDHDIN* FDEDIN* INDEX* MOTOR 0* DRIVE SELECT 1* DRIVE SELECT 0* MOTOR 1* DIRECTION* STEP* WRITE DATA* WRITE GATE* TRACK 0* WRITE PROTECT* READ DATA* HEAD SELECT* DISK CHANGE* * low active Appendix B...

  • Page 106: Parallel Port Connector (Cn4)

    B.3 Parallel Port Connector (CN4) Table B.3: Parallel port connector (CN4) Signal Signal STROBE* AUTOFD* INIT* SLCTINI* ACK* BUSY SLCT * low active AIMB-744 User’s Manual...

  • Page 107: Usb Connector (Cn6 And Cn63)

    B.4 USB Connector (CN6; shared with CN32) Table B.4: USB1/USB2 connector (CN6; shared with CN32) USB1 Signal USB2 Signal +5 V +5 V Chassis GND N/CA B.5 COM1/2/3/4 RS-232 Serial Port Interface (CN9/10/ 23/38) CN9 & 38 CN10 &23 Table B.5: COM1/2 RS-232 serial port (CN9/38) Signal Appendix B...

  • Page 108: Keyboard And Mouse Connnector (Cn11)

    B.6 Keyboard and Mouse Connector (CN11) Table B.6: Keyboard and mouse connector (CN11) Signal KB DATA KB VCC KB CLK B.7 COM3/4 serial port connector (CN10/23) Table B.7: COM3/4 serial port connector (CN10/23) Signal AIMB-744 User’s Manual...

  • Page 109: External Keyboard Connector (Cn12)

    B.8 External Keyboard Connector (CN12) Table B.8: External keyboard connector (CN12) Signal DATA B.9 CPU/System Fan Power Conn (CN14/15/37) Table B.9: CPU/System Fan Power Conn (CN14/15/37) Signal +12V Detect Appendix B...

  • Page 110: Power Led (Cn16)

    LED power (+5 V) B.11 External Speaker Connector (CN17) The motherboard has its own buzzer. You can also connect it to the exter- nal speaker on your computer chassis. Table B.11: External Speaker Connector (CN17) Function Buzzer Buzzer Speaker out AIMB-744 User’s Manual...

  • Page 111: Reset Connector (Cn18)

    B.12 Reset Connector (CN18) Table B.12: Reset connector (CN18) Signal RESET B.13 HDD LED Connector (CN19) Table B.13: HDD LED connector (CN19) Signal VCC (LED+) IDE LED (LED-) Appendix B...

  • Page 112: Atx Soft Power Switch (Cn21)

    B.14 ATX Soft Power Switch (CN21) Table B.14: ATX soft power switch (CN21) Signal 5VSB PWR-BTN AIMB-744 User’s Manual...

  • Page 113: H/W Monitor Alarm (Cn22)

    B.15 H/W Monitor Alarm (CN22) Table B.15: H/W monitor alarm (CN22) Signal Enable OBS alarm Disable OBS alarm B.16 SM Bus Connector (CN29) Table B.16: SM Bus Connector (CN 29) Signal SMB_DATA SMB_CLK B.17 USB/LAN ports (CN31 and CN32) Table B.17: USB port Signal Signal Data0+...

  • Page 114: Line Out, Mic In Connector (Cn55)

    Signal XMT+ XMT- RCV- RCV+ B.18 Line Out, Mic IN connector (CN55) Line Out MIC in B.19 Audio input from CD-ROM (CD IN; CN56) Table B.19: Audio in from CD-ROM (CD IN; CN56) Signal Signal CD_L CD_R AIMB-744 User’s Manual...

  • Page 115: Aux Line-In Connector (Aux In; Cn57)

    B.20 Aux Line-In connector (AUX IN; CN57) Table B.20: Aux Line-In connector (AUX IN; CN57) Signal Signal AUX_L AUX_R B.21 Front Panel audio connector (FP AUDIO; CN59) Table B.21: Front audio conn (FP AUDIO; CN59) Signal Signal LOUT_RR MIC_BIAS LOUT_L LOUT_R LOUT_LL Appendix B...

  • Page 116: Case Open Connector (Cn64)

    B.22 8-pin Alarm Board Connector (CN62) Table B.22: 8-pin Alarm Board Connector (CN62) Signal Signal 5VSB VCC3 -12V +12V B.23 Case Open Connector (CN64) Table B.23: Case Open Connector (CN64) Signal CASEOP AIMB-744 User’s Manual...

  • Page 117: System I/O Ports

    B.24 USB port switch (S1, S2) Table B.24: USB port switch (S1,S2)) Signal Signal USBP2N USBD2N USBP2P USBD2P USBP2P USBP2PP USBP2N USBP2NN B.25 System I/O Ports Table B.25: System I/O ports Addr. range (Hex) Device 000-01F DMA controller 020-021 Interrupt controller 1, master 022-023 Chipset address 040-05F...

  • Page 118: Dma Channel Assignments

    B.27 Interrupt Assignments Table B.27: Interrupt assignments Priority Interrupt# Interrupt source Parity error detected IRQ0 Interval timer IRQ1 Keyboard IRQ2 Interrupt from controller 2 (cascade) IRQ8 Real-time clock IRQ9 Cascaded to INT 0A (IRQ 2) IRQ10 Available AIMB-744 User’s Manual...

  • Page 119: 1St Mb Memory Map

    IRQ11 Available IRQ12 PS/2 mouse IRQ13 INT from co-processor IRQ14 Primary IDE Channel IRQ15 Secondary IDE Channel IRQ3 Serial communication port 2 IRQ4 Serial communication port 1 IRQ5 Parallel port 2 IRQ6 Diskette controller (FDC) IRQ7 Parallel port 1 (print port) B.28 1st MB Memory Map Table B.28: 1st MB memory map Addr.

  • Page 120: Aimb-744 User's Manual

    B.30 PCI-X bus map Table B.30: PCI-X bus map Function Signals: Device ID INT # pin PCI-X slot1 PX-AD31 PX-INT A, B, PX-GNT A PX-REQ A C, D PCI-X slot2 PX-AD28 PX-INT A, B, PX-GNT D PX-REQ D C, D AIMB-744 User’s Manual...

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