Intel core i7/i5/i3/celeron and pentium lga1155 micro atx with vga/dvi/lvds, 10 com, dual lan, 4 sata ii, 10 usb 2.0, pcie x 16, pcie x 1, 2 pci (110 pages)
Intel/core i7/i5/i3/pentium/celeron lga1151 microatx with vga/dvi/dp/edp lvds, 14 com, dual lan, ddr4, pcie x 16, pcie x 1, pci x 2 and sataiii (140 pages)
12th/13th gen intel core i9/i7/i5/i3 processors (lga1700), micro atx with dp/hdmi/vga/ edp (lvds), 1 x gbe lan, 1 x 2.5gbe lan, 8 x usb 3.2, 2 x pci slot, 10 x com (158 pages)
AIMB-556 Socket 478 Intel® Core™ 2 Duo / Core Solo Processor-based 533/800 MHz FSB Micro ATX Motherboard with PCIe / DDR2 / Dual GbE LAN User Manual...
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Copyright This document is copyrighted, 2007, 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.
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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...
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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-556 User Manual...
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.
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556 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-556, 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.
Board Layout: Jumper and Connector Locations....9 Figure 1.1:Jumper and connector locations ....9 Figure 1.2:I/O connectors ..........9 AIMB-556 Block Diagram..........10 Figure 1.3:AIMB-556 Block Diagram......10 Safety Precautions ............11 Jumper Settings ............... 12 1.8.1 How to set jumpers ............12 1.8.2...
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Figure 3.2:Press Del to run Setup ......... 47 Main Setup ..............48 Figure 3.3:Main setup screen........48 3.2.1 System time / System date ..........48 Advanced BIOS Features Setup........49 Figure 3.4:Advanced BIOS features setup screen ..49 3.3.1 CPU Configuration ............50 AIMB-556 User Manual...
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Figure 3.5:CPU Configuration Setting ......50 3.3.2 IDE Configuration ............51 Figure 3.6:IDE Configuration........51 3.3.3 Super I/O Configuration ..........52 Figure 3.7:Super I/O Configuration......52 3.3.4 Hardware health function..........54 Figure 3.8:Hardware health configuration....54 3.3.5 APM Configuration ............55 Figure 3.9:APM Configuration........
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Table B.13:Infrared Connector (JIR1)......117 B.14 CPU/System Fan Power Connector (CPUFAN1/ SYSFAN1/SYSFAN2)..........117 Table B.14:Fan Power Connector (CPUFAN1/ SYSFAN1/SYSFAN2)......117 B.15 Power LED and Keyboard Lock (JFP3) ....... 118 Table B.15: Power LED and Keyboard Lock (JFP3) . 118 B.16 External Speaker Connector (JFP2) ......
Chapter 1 Hardware Configuration 1.1 Introduction The AIMB-556 is designed with the Intel GME965 and the ICH8M for industrial applications that require both high-performance computing and enhanced power management capabilities. The motherboard supports Intel Core 2 Duo / Core Solo Processors up to 2.6 GHz with 533/800 MHz front side bus and DDR2 400/533/667 MHz memory up to 4 GB.
1.2 Features • PCI Express architecture: Designed with the Intel GME965 and ICH8M PCI Express chipset, the AIMB-556 has single or dual PCIe x1 Gigabit LAN ports, 1 PCIe x16 slot and 1 PCIe x4 slot. • High Performance I/O Capability: Single or dual PCIe x1 Gigabit LAN ports, 2 PCI 32-bit/33 MHz PCI slots, 3 SATA connectors and 8 USB 2.0 ports.
• Keyboard and PS/2 mouse connector: Two 6-pin mini-DIN connec- tors are located on the mounting bracket for easy connection to a PS/2 keyboard and mouse. • USB port: Supports up to eight USB 2.0 ports with transmission rate up to 480 Mbps. AIMB-556 User Manual...
• LVDS interface: Support up to UXGA (1600 x 1200) • TV-Out: NTSC/PAL. • PCI Express x16 slot The AIMB-556 can drive an LVDS display, and you can use the follow- ing accessories to connect an LVDS display: • 15" 1024 x 768 panel: P/N: 1330000018 •...
1.4 Jumpers and Connectors Connectors on the AIMB-556 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.
1.7 Safety Precautions Warning! Always completely disconnect the power cord from your chassis whenever you work with the hardware. Do not make connections while the power is on. Sensitive electronic components can be damaged by sudden power surges. Only experienced electronics personnel should open the PC chassis.
1.8.2 CMOS clear (CMOS1) The AIMB-556 motherboard contains a jumper that can erase CMOS data and reset the system BIOS information. Normally this jumper should be set with pins 1-2 closed. If you want to reset the CMOS data, set J1 to 2-3 closed for just a few seconds, and then move the jumper back to 1-2 closed.
1.8.3 Watchdog timer output (JWDT1) The AIMB-556 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-764 will recover from a software failure or an EMI problem.
DIMM socket. To remove the memory module, just push both handles outward, and the memory mod- ule will be ejected by the mechanism in the socket. 1.11 Cache Memory The CPU that AIMB-556 supports built-in 2 MB or 4 MB cache memory. Chapter 1...
To install a CPU, first turn off your system. The AIMB-556 is designed for Intel Core 2 Duo / Core Solo (socket 478) up to 2.6 GHz. Follow these steps to install the processor: Turn the screw to loosen the processor socket.
01-4 You can attach up to four IDE (Integrated Drive Electronics) drives to the AIMB-556’s built-in controller. The primary (IDE1) connector can each accommodate two drives. Wire number 1 on the cable is red or blue and the other wires are gray.
ATX1 01-4 01-4 You can attach up to two floppy disk drives to the AIMB-556's onboard controller. You can use 3.5" (720 KB, 1.44 MB) drives. The motherboard comes with a 34-pin daisy-chain drive connector cable. On one end of the cable is a 34-pin flat-cable connector. On the other end are two sets of 34-pin flat-cable connector (usually used for 3.5"...
LED2 JCASE1 JCASE1 SYSFAN1 SYSFAN1 ATX1 ATX1 01-4 01-4 The parallel port is normally used to connect the motherboard to a printer. The AIMB-556 includes an onboard parallel port, accessed through a 26- pin flat-cable connector, LPT1. AIMB-556 User Manual...
2.5 USB Ports (LAN1_USB12, LAN2_USB34, USB56 & USB78) The AIMB-556 provides up to eight USB (Universal Serial Bus) ports with complete Plug & Play and hot swap support for up to 127 external devices. These USB ports comply with USB Specification Rev. 2.0, sup- port transmission rates up to 480 Mbps and are fuse protected.
SYSFAN1 ATX1 ATX1 01-4 01-4 The AIMB-556 includes a VGA interface that can drive conventional CRT displays. VGA1 is a standard 15-pin D-SUB connector commonly used for VGA. Pin assignments for VGA1 are detailed in Appendix B. AIMB-556 User Manual...
ATX1 01-4 01-4 The AIMB-556 offers three serial ports and one onboard connector. The user can use JSETCOM2 to select among RS-232/422/485 modes for COM2. These ports can connect to serial devices, such as a mouse or a printer, or to a communications network.
JSETCOM2 JSETCOM2 JFP1 JFP1 FDD1 FDD1 LED1 LED1 LED2 LED2 JCASE1 JCASE1 SYSFAN1 SYSFAN1 ATX1 ATX1 01-4 01-4 Two 6-pin mini-DIN connectors (KBMS1) on the motherboard provide connection to a PS/2 keyboard and a PS/2 mouse, respectively. AIMB-556 User Manual...
2.11.2 External Speaker (JFP2) JFP2 is a 4-pin connector for an external speaker. The AIMB-556 pro- vides an onboard buzzer as an alternative to an external speaker. To enable the buzzer, set pins 5 and 7 as closed. 2.11.3 Reset Connector (JFP1) Many computer cases offer the convenience of a reset button.
ATX1 01-4 01-4 The AIMB-556 provides up to eight 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, supports transmission rates up to 480 Mbps and is fuse-protected.
FDD1 FDD1 LED1 LED1 LED2 LED2 JCASE1 JCASE1 SYSFAN1 SYSFAN1 ATX1 ATX1 01-4 01-4 The 2-pin case open connector is for chassis with a case open sensor. While opening the case, the buzzer on motherboard will beep. AIMB-556 User Manual...
2.18 Front Panel LAN Indicator Connector (LANLED1) Table 2.3: Front Panel LAN Indicator Connector LAN Mode Indicator G-LAN Link ON Green ON G-LAN Active Green Flash G-LAN Link Off Green OFF COM1 COM1 VGA1 VGA1 LPT1 LPT1 AUDIO1 AUDIO1 CHAFAN2 CHAFAN2 LAN2_USB34 LAN2_USB34...
SYSFAN1 ATX1 ATX1 01-4 01-4 In addition to the EIDE interface (up to two devices), the AIMB-556 fea- tures a high performance serial ATA interface (up to 300 MB/s) which eases cabling to hard drives with thin and long cables.
ATX1 ATX1 01-4 01-4 The AIMB-556 provides two 32-bit / 33 MHz PCI slots. Note: 64-bit PCI or PCI-X expansion cards installed in the PCI 1 slot will not fit because of the south bridge heat sink. If you want to use 64-bit PCI or PCI-X expansion cards, please install them in the PCI 2.
2.23 Auxiliary 4-pin power connector (ATX1) To ensure enough power is supplied to the motherboard, one auxiliary 4- pin power connector is available on the AIMB-556. ATX1 must be used to provide sufficient 12 V power to ensure stable operation of the system.
ATX1 ATX1 01-4 01-4 The AIMB-556 provides a TV-out interface, VGA2, which is an 4-pin connector. A video cable (p/n:1700002331) that enables an S-Video or Composite Video display to be connected is avilable. Note: Please don’t connect S-Video and Composite Video displays at the same time.
JFP1 FDD1 FDD1 LED1 LED1 LED2 LED2 JCASE1 JCASE1 SYSFAN1 SYSFAN1 ATX1 ATX1 01-4 01-4 LVDS1 The AIMB-556 provides an LVDS interface that supports 24-bit LCD panels. Pin assignments for the LVDS connector are detailed in Appendix AIMB-556 User Manual...
01-4 01-4 VP1 is connected to an inverter that can provide power to an LCD panel. The AIMB-556 can drive an LVDS display, and you can install an LVDS display with the following accessories. 15" 1024 x 768 panel P/N: 1330000018...
The Setup program uses a number of menus for making changes and turning the special features on or off. This chapter describes the basic navigation of the AIMB-556 setup screens. Figure 3.1: Setup program initial screen AMI’s BIOS ROM has a built-in Setup program that allows users to mod-...
3.1 Entering Setup Turn on the computer and check for the “patch” code. If there is a number assigned to the patch code, it means that the BIOS supports your CPU. If there is no number assigned to the patch code, please contact an Advan- tech application engineer to obtain an up-to-date patch code file.
Time or System Date using the <Arrow> keys. Enter new values through the keyboard. Press the <Tab> key or the <Arrow> keys to move between fields. The date must be entered in MM/DD/YY format. The time must be entered in HH:MM:SS format. AIMB-556 User Manual...
3.3 Advanced BIOS Features Setup Select the Advanced tab from the AIMB-556 setup screen to enter the Advanced BIOS Setup screen. You can select any of the items in the left frame of the screen, such as CPU Configuration, to go to the sub menu for that item.
Enabled and Disabled. The Optimal and Fail-Safe default setting is Enabled. If Disabled is selected, the BIOS forces the XD feature flag to always return to 0. Core Multi-Processing When this option disabled, BIOS disables one execution core. AIMB-556 User Manual...
Inter(R) speedstep(tm) tech Intel SpeedStep Technology centralizes the control mechanism in the processor, eliminating the need for coordination with the chipset during the frequency/voltage configuration. This option is used to enable/disable the GV3 bit. 3.3.2 IDE Configuration Figure 3.6: IDE Configuration ATA/IDE Configuration This can be configured as Disabled, Compatible or Enhanced.
AHCI is a new interface specification that allows the SATA controller driver to support advanced features. While entering setup, BIOS auto detects the presence of AHCI devices. This displays the status of auto detection of AHCI devices. 3.3.3 Super I/O Configuration Figure 3.7: Super I/O Configuration AIMB-556 User Manual...
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OnBoard Floppy Controller This option allows the BIOS to Enable or Disable the floppy controller. Floppy A Select the type of floppy drive connected to the system. We suggest you disable the floppy while installing Windows Vista without a floppy drive. Floppy B Select the type of floppy drive connected to the system.
When the Hardware Health Function is enabled, the BIOS will display hardware health information. CPU warning temperature Use this to set the CPU warning temperature threshold. When the system reaches the warning temperature, the buzzer will beep. AIMB-556 User Manual...
3.3.5 APM Configuration Figure 3.9: APM Configuration Power Management/APM Enable or disable APM. Video Power Down Mode Set the Video Power Down mode to the Suspend or Standby mode. Hard Disk Power Down Mode Set Power Down Hard Disk mode to Suspend or Standby mode. Suspend Time Out Enter Suspend after the specified time.
Figure 3.10: Configure Remote Access type and parameters Remote Access You can disable or enable the BIOS remote access feature here. This function is used to redirect the console from the serial port. The Optimal and Fail-Safe default setting is Disabled. AIMB-556 User Manual...
3.4 PCI/PNP Setup Select the PCI/PnP tab from the AIMB-556 setup screen to enter the Plug and Play BIOS Setup screen. You can display a Plug and Play BIOS Setup option by highlighting it using the <Arrow> keys. All Plug and Play BIOS Setup options are described in this section.
PCI devices on the PCI bus. The Optimal and Fail-Safe default setting is 64. 3.4.4 Allocate IRQ to PCI VGA Set this value to allow or stop the system from giving the VGA adapter card an interrupt address. The Optimal and Fail-Safe default setting is Yes. AIMB-556 User Manual...
3.4.5 Palette Snooping Set this value to allow the system to modify the Palette Snooping settings. The Optimal and Fail-Safe default setting is Disabled. 3.4.6 PCI IDE BusMaster Set this value to allow or prevent the use of PCI IDE Busmastering. The Optimal and Fail-Safe default setting is Disabled.
Figure 3.14: Boot Setting Configuration The following options are available: • Quick Boot: Allows the BIOS to skip certain tests while booting. This will decrease the time needed to boot the system. • Quiet Boot: If this option is set to Disabled, the BIOS displays normal POST messages.
3.6 Security Setup Figure 3.15: Password Configuration Select Security Setup from the AIMB-556 Setup main BIOS setup menu. All Security Setup options, such as password protection and virus protec- tion are described in this section. To access the sub menu for the follow- ing items, select the item and press <Enter>:...
• Boots Graphic Adapter Priority: Select which graphics controller to use as the primary boot device. • Internal Graphics Mode Select: Select the amount of system memory used by the Internal graphics device. • PEG Port: Auto or Disabled. • PEG Force x1: Enabled or Disabled. AIMB-556 User Manual...
Figure 3.18: Video function configuration DVMT model select Displays the active system memory mode. DVMT / FIXED Memory Specify the amount of DVMT / FIXED system memory to allocate for video memory. Boot display device Select boot display device at post stage. Flat panel type Select panel resolution Spread spectrum clock...
• GbE LAN boot: Enables or disables GbE LAN boot. • LAN2 Controller: Enables or disables the LAN2 controller. • HDA Controller: Enables or disables the HDA controller. • SMBUS Controller: Enables or disables the SMBUS controller. AIMB-556 User Manual...
3.8 Exit Option Figure 3.20: Exit Option 3.8.1 Save Changes and Exit When you have completed system configuration, select this option to save your changes, exit BIOS setup and reboot the computer so the new system configuration parameters can take effect. Select Exit Saving Changes from the Exit menu and press <Enter>.
Select Discard Changes from the Exit menu and press <Enter>. 3.8.3 Load Optimal Defaults The AIMB-556 automatically configures all setup items to optimal set- tings when you select this option. Optimal Defaults are designed for max- imum system performance, but may not work best for all computer applications.
To facilitate the installation of the enhanced display drivers and utility software, read the instructions in this chapter carefully. The drivers for the AIMB-556 are located on the software installation CD. The auto-run function of the driver CD will guide and link you to the utilities and driv- ers under a Windows system.
4.2 Introduction The Intel Chipset Software Installation (CSI) utility installs the Windows INF files that outline to the operating system how the chipset components will be configured. This is needed for the proper functioning of the fol- lowing features: • Core PCI PnP services •...
“Install” button under the “INF Driver” heading. A message pops up telling you to install the INF Drvier before other device drivers, as shown in the following figure. Click on this button. To take Windows XP as example. AIMB-556 User Manual...
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Click “Next” when you see the following message. Click “Next” when you see the following message. Chapter 4...
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When the following message appears, click “Finish” to complete the installation and restart Windows.
Dynamic Video Memory Technology (DVMT). • LVDS Interface: The AIMB-556 provides a 24-bit dual channel LVDS interface that supports up to WUXGA (1600 x 1200) panel resolution.
5.2 Windows XP Driver Setup Note: Before installing this driver, make sure the INF Driver has been installed on your system. See Chapter 4 for information on installing the INF Driver. Insert the driver CD into your system's CD-ROM drive. In a few seconds, the software installation main menu appears, as shown in the following figure.
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Click “Next” to continue the installation. You will see a welcome window. Click “Yes” to continue the installation. AIMB-556 User Manual...
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Click “Finish” to complete the installation and restart the computer now or later. Notice: For the first bootup after installation of a VGA driver for Win- dows Vista 32- or 64-bit OS, there may be around 30 to 60 seconds with black screen while the VGA output is detected.
The AIMB-556’s hardware monitor is based on the Winbond W83627HG chip. Onboard security (OBS) functions monitor key hard- ware to help you maintain system stability and durability. The AIMB-556 can monitor five sets of positive system voltages, two sets of system neg- ative voltages, CPU fan speed and CPU temperature.
6.2 Windows XP Driver Setup Insert the driver CD into your system’s CD-ROM drive. In a few seconds, the software installation main menu appears, as shown in the following figure. Click on the “Install” button under the “OBS Drivers” heading. Chapter 6...
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Click “Next” when you see the following message. Click “Next” when you see the following message. AIMB-556 User Manual...
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Click “Next” when you see the following message. Chapter 6...
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Click “Finish” when you see the following message. Click “Finish” when you see the following message.
6.3 Using the OBS Hardware Doctor Utility After completing the setup, all the OBS functions are permanently enabled. When a monitored reading exceeds safe limits, a warning mes- sage will be displayed and an error beep will sound to attract your atten- tion.
Chapter 7 LAN Configuration 7.1 Introduction The AIMB-556 has a single/dual Gigabit Ethernet LAN with a dedicated PCI Express x1 connection (Intel 82573) that offers bandwidth of up to 500 MB/sec. This eliminates network data flow bottlenecks for Gigabit Ethernet.
7.4 Win XP Driver Setup Insert the driver CD into your system’s CD-ROM drive. In a few seconds, the software installation main menu appears, as shown in the following figure. Under LAN drivers, click the button that is labelled with your operating system. Chapter 7...
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Select “I accept the terms in the license agreement” and click “Next” to continue. Click “Next” to continue. AIMB-556 User Manual...
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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 7...
Appendix A Programming the Watchdog Timer A.1 Introduction The AIMB-556’s watchdog timer can be used to monitor system software operation and take corrective action if the software fails to function within the programmed period. This section describes the operation of the watchdog timer and how to program it.
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Unlock W83627HG Select register of watchdog timer Enable the function of the watchdog timer Use the function of the watchdog timer Lock W83627HG Appendix A...
0. [default=0] Bit 4: Read status of watchdog timer, 1 means timer is “timeout”. AA (hex) ----- Write this address to I/O port 2E (hex) to lock the watchdog timer 2. AIMB-556 User Manual...
A.1.3 Example Program Enable watchdog timer and set 10 sec. as timeout interval ;----------------------------------------------------------- Mov dx,2eh ; Unlock W83627HG 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 ;----------------------------------------------------------- Dec dx ;...
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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 ; Set minute as counting unit Mov al,0f5h Out dx,al AIMB-556 User Manual...
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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 Out dx,al ;----------------------------------------------------------- Dec dx ; lock W83627HG Mov al,0aah Out dx,al Enable watchdog timer to be reset by mouse ;----------------------------------------------------------- Mov dx,2eh ;...
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; unlock W83627HG 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 ;----------------------------------------------------------- Dec dx ; Enable the function of watchdog timer Mov al,30h Out dx,al AIMB-556 User Manual...
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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 Or al,40h Out dx,al ;----------------------------------------------------------- Dec dx ; lock W83627HG Mov al,0aah Out dx,al Generate a time-out signal without timer counting ;----------------------------------------------------------- Mov dx,2eh ;...
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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 W83627HG Mov al,0aah Out dx,al AIMB-556 User Manual...
DATA 15 SIGNAL GND DISK DMA REQUEST IO WRITE IO READ IO CHANNEL READY HDACKO* IRQ14 IDSC16- ADDR 1 PDIAG ADDR 0 ADDR 2 HARD DISK SELECT 0* HARD DISK SELECT 1* IDE ACTIVE* * low activity AIMB-556 User Manual...
B.3 Parallel Port (LPT1) Table B.3: Parallel Port (LPT1) Signal Signal STROBE* AUTOFD* INIT* SLCTINI* ACK* BUSY SLCT * low activity AIMB-556 User Manual...
B.20 USB/LAN ports (LAN1_USB12 and LAN2_USB34) Table B.20: USB Port Signal Signal Data0+ Data0- Table B.21: Ethernet 10/100Base-T RJ-45 port Signal Signal XMT+ XMT- RCV- RCV+ B.21 Line Out, Mic IN Connector (AUDIO1) Line Out MIC in Appendix B...
B.24 Case Open Connector (JCASE1) Table B.24: Case Open Connector (JCASE) Signal CASEOP B.25 Front Panel LAN LED Connector (LANLED1) Table B.25: LAN LED Connector (LANLED1) Signal Signal LAN1_ACT LAN2_ACT 3VDUAL 3VDUAL LAN1_LINK1000 LAN2_LINK1000 LAN1_LINK100 LAN2_LINK100 3VDUAL AIMB-556 User Manual...
B.27 DMA Channel Assignments Table B.27: DMA channel assignments Channel Function Available Available Floppy disk (8-bit transfer) Available Cascade for DMA controller 1 Available Available Available AIMB-556 User Manual...
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