Document Outline

• AIMB-258
• Contents
  • 1 Product Introduction
    • 1.1 Before You Proceed
    • 1.2 Motherboard Overview
      • 1.2.1 Placement Direction
      • 1.2.2 Screw Holes
    • 1.3 Motherboard Layout
      • Figure 1.1 Motherboard Layout
    • 1.4 Specifications
    • 1.5 Operating System support list
    • 1.6 Board Diagram
    • 1.7 Ordering Information
    • 1.8 Riser Card
    • 1.9 Bracket View
    • 1.10 Accessories
    • 1.11 Layout Content List
      • Table 1.1: Jumper Setting List
      • Table 1.2: JSETCOM1: COM1/+5 V/+12 V Selection
      • Table 1.3: JSETCOM2: COM2 RS232/422/485 Mode Selection
      • 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 1.7: JWDT1: Watchdog Timer Output Option
      • Table 1.8: JOBS: HW monitor
    • 1.12 Central Processing Unit (CPU) for AIMB-258
      • 1.12.1 Installing the CPU
      • 1.12.2 Installing the CPU Heatsink and Fan
      • 1.12.3 Uninstalling the CPU Heatsink and Fan
    • 1.13 System Memory
      • 1.13.1 DIMM Sockets Location
      • 1.13.2 System Memory
        • 1.13.2.1 Memory Installation Procedures
        • 1.13.2.2 Cache 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)
      • 1.14.4 Serial Port Connector 3456 (COM3456)
      • 1.14.5 Front Headphone Connector (HD1)
      • 1.14.6 Front Panel Connector (JFP1/JFP2/JFP3)
      • 1.14.7 ATX soft power switch (JFP1 / PWR_SW)
      • 1.14.8 Reset (JFP1 / RESET)
      • 1.14.9 HDD LED (JFP2 / HDDLED)
      • 1.14.10 External speaker (JFP2 / SPEAKER)
      • 1.14.11 Power LED and keyboard lock connector (JFP3 / PWR_LED&KEY LOCK)
        • Table 1.12: ATX power supply LED status (No support for AT power)
      • 1.14.12 USB 2.0 Connector (USB56, USB78)
      • 1.14.13 ATX Power Connector (ATX1)
      • 1.14.14 LCD Inverter Connector (VP1)
      • 1.14.15 LVDS Connector (LVDS1)
      • 1.14.16 Digital I/O Connector (DIO_CN1)
      • 1.14.17 Serial ATA Connector 1 & 2 (SATA1, SATA2)
      • 1.14.18 PCIe x 16 Slot (PCIE X 16)
      • 1.14.19 SPI Flash Connector(SPI_CN1)
      • 1.14.20 Memory Connector Channel A/B(DIMM1/2)
      • 1.14.21 SPDIF1 out connector(SPDIF1)
      • 1.14.22 CF connector
  • 2 BIOS Operation
    • 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
      • 2.2.6 USE Device Setting
      • 2.2.7 Power Management Setup
      • 2.2.8 PnP/PCI Configurations
      • 2.2.9 PC Health Status
      • 2.2.10 Load Setup Defaults
      • 2.2.11 Set Password
  • 3 Chipset Software Install Utility
    • 3.1 Before you Begin
    • 3.2 Introduction
    • 3.3 Windows Vista/XP Driver Setup
  • 4 VGA Setup
    • 4.1 Introduction
    • 4.2 Windows Vista/XP Driver Setup
  • 5 LAN Configuration
    • 5.1 Introduction
    • 5.2 Features
    • 5.3 Installation
    • 5.4 Windows Vista/XP Driver Setup (Realtek RTL8111C)
  • A Programming the Watchdog Timer
    • A.1 Programming the Watchdog Timer
      • A.1.1 Watchdog timer overview
      • A.1.2 Programming the Watchdog Timer
        • Table A.1: Watchdog Timer Registers
      • A.1.3 Example Program
  • B Pin Assignments
    • B.1 USB Connector (USB56,USB78)
      • Table B.1: USB5/USB6 Connector (USB56)
    • B.2 VGA Connector (VGA1A)
      • Table B.2: VGA Connector (VGA1A)
    • B.3 DVI Connector (VGA1B)
      • Table B.3: DVI Connector (VGA1B)
    • B.4 RS-232 Serial Port (COM1~COM2)
      • 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)
      • Table B.6: PS/2 Keyboard/ Mouse Connector (KBMS1)
    • B.7 CPU Fan Power Connector (CPUFAN1)
      • Table B.7: CPU Fan Power Connector (CPUFAN1)
    • B.8 Power LED & Keyboard Lock Connector (JFP3)
      • Table B.8: Power LED and Keylock Connector (JFP3)
    • B.9 HDD LED and External Speaker Connector(JFP2/HDD LED and SPEAKER)
      • Table B.9: External Speaker Connector (JFP2/SPEAKER)
    • B.10 ATX Soft Power Switch and Reset Connector (JFP1/ PWR-SW and RESET)
      • Table B.10: Audio Front Panel Connector (JFP1/ RESET)
    • B.11 Audio Front Panel Connector (FPAUD1)
      • Table 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)
      • Table B.13: LVDS Connector (LVDS1)
    • B.14 LVDS Power Jumper (J1)
      • Table B.14: LVDS Power Jumper (J1)
    • B.15 LVDS Invert (VP1)
      • Table B.15: LVDS Invert (VP1)
    • B.16 System I/O Ports
      • Table B.16: System I/O Ports
    • B.17 DMA Channel Assignments
      • Table B.17: DMA Channel Assignments
    • B.18 Interrupt Assignments
      • Table B.18: Interrupt Assignments
    • B.19 1st MB Memory Map
      • Table B.19: 1st MB Memory Map