Arkon AIMB-258 1.12.3 Uninstalling the CPU Heatsink and Fan

AIMB-258 User Manual 16

1.12.3 Uninstalling the CPU Heatsink and Fan

1. Disconnect the CPU fan cable

from the connector on the

motherboard.

2. Rotate each screw counter- clock-

wise.

3. Carefully remove the heatsink and

fan assembly from the mother-

board.

Note! Refer to the documentation in the boxed or stand-alone CPU fan pack-

age for detailed information on CPU fan installation.

Contents

Main Safety Information Certifications Technical Support Packing List Contents Chapter 1 Product Introduction ...........................1 Chapter 2 BIOS Operation .................................31 Chapter 3 Chipset Software Install Utility ........ 45 Chapter 4 VGA Setup .........................................49 Chapter 5 LAN Configuration ............................ 51 Appendix A Programming the Watchdog Timer .55 Page Page Page 1.1 Before You Proceed 1.2 Motherboard Overview 1.2.1 Placement Direction Page Page 1.4 Specifications 1.5 Operating System support list 7 AIMB-258 User Manual 1.6 Board Diagram Page 1.11 Layout Content List Table 1.4: CMOS1: Clear CMOS Table 1.5: J1:LCD Power 3.3 V/5.5 V Selection Table 1.6: PSON1: ATX, AT Mode Selection Table 1.3: JSETCOM2: COM2 RS232/422/485 Mode Selection RS-232 Configuration (default) RS-422 Configuration RS-485 Configuration 1.12 Central Processing Unit (CPU) for AIMB-258 Table 1.7: JWDT1: Watchdog Timer Output Option Table 1.8: JOBS: HW monitor 1.12.1 Installing the CPU Page 1.12.2 Installing the CPU Heatsink and Fan Page 1.12.3 Uninstalling the CPU Heatsink and Fan 1.13 System Memory 1.13.1 DIMM Sockets Location 1.13.2 System Memory 1.13.3 Memory Support List Table 1.9: SODIMM DDR3 1.14 Connectors 1.14.1 Rear Panel Connectors Table 1.10: Rear Panel Connectors Table 1.11: LEDs 1.14.2 CPU Fan Connector (CPUFAN1) 1.14.3 System Fan Connector (SYSFAN1, SYSFAN2) Page Page 1.14.11 Power LED and keyboard lock connector (JFP3 / PWR_LED&KEY LOCK) 1.14.12 USB 2.0 Connector (USB56, USB78) USB78 Table 1.12: ATX power supply LED status (No support for AT power) USB56 1.14.13 ATX Power Connector (ATX1) 1.14.14 LCD Inverter Connector (VP1) 1.14.15 LVDS Connector (LVDS1) Page Page Page Page Page 2.1 BIOS Introduction 2.2 BIOS Setup 2.2.1 Main Menu 2.2.2 Standard CMOS Features 2.2.3 Advanced BIOS Features 2.2.4 Advanced Chipset Features 2.2.5 Integrated Peripherals Page 2.2.6 USE Device Setting 2.2.7 Power Management Setup Page 2.2.8 PnP/PCI Configurations 2.2.9 PC Health Status 2.2.10 Load Setup Defaults 2.2.11 Set Password Page Page 3.1 Before you Begin 3.2 Introduction Page Page Page 4.1 Introduction 4.2 Windows Vista/XP Driver Setup Page Page Page Page Page A.1 Programming the Watchdog Timer A.1.1 Watchdog timer overview A.1.2 Programming the Watchdog Timer Page Table A.1: Watchdog Timer Registers Appendix A Programming the Watchdog Timer A.1.3 Example Program Page Appendix A Programming the Watchdog Timer Page Page B.1 USB Connector (USB56,USB78) B.2 VGA Connector (VGA1A) B.3 DVI Connector (VGA1B) Table B.1: USB5/USB6 Connector (USB56) 7531 10864 2 B.4 RS-232 Serial Port (COM1~COM2) Table B.3: DVI Connector (VGA1B) Table B.4: RS-232 Serial Port (COM1~COM2) B.5 RS-232 Serial Port (COM3 ~ COM6) Table B.5: RS-232 Serial Port (COM23) B.6 PS/2 Keyboard/ Mouse Connector (KBMS1) B.7 CPU Fan Power Connector (CPUFAN1) B.8 Power LED & Keyboard Lock Connector (JFP3) B.9 HDD LED and External Speaker Connector(JFP2/HDD LED and SPEAKER) Table B.8: Power LED and Keylock Connector (JFP3) Table B.9: External Speaker Connector (JFP2/SPEAKER) B.10 ATX Soft Power Switch and Reset Connector (JFP1/ PWR-SW and RESET) B.11 Audio Front Panel Connector (FPAUD1) B.12 GPIO Pin Header (GPIO1) Table B.12: GPIO Pin Header (GPIO1) B.13 LVDS Connector (LVDS1) 40 2438 Table B.13: LVDS Connector (LVDS1) B.14 LVDS Power Jumper (J1) *default setting B.15 LVDS Invert (VP1) Table B.14: LVDS Power Jumper (J1) *3.3V 5V B.16 System I/O Ports B.17 DMA Channel Assignments Table B.16: System I/O Ports Table B.17: DMA Channel Assignments B.18 Interrupt Assignments B.19 1st MB Memory Map Table B.18: Interrupt Assignments Table B.19: 1st MB Memory Map Page www.advantech.com