Arkon AIMB-256 Before you Proceed, Motherboard Overview, Placement Direction, Screw Holes

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1.1Before you Proceed

Take note of the following precautions before you install motherboard components or change any motherboard settings.

Caution! ! Unplug the power cord from the wall socket before touching any component.

!Use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, before handling com- ponents to avoid damaging them due to static electricity

!Hold components by the edges to avoid touching the ICs on them.

!Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that came with the component.

!Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, and/or components.

1.2Motherboard Overview

Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Refer to the chassis documentation before installing the motherboard.

Warning! Make sure to unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and dam- age motherboard components.

1.2.1Placement Direction

When installing the motherboard, make sure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis.

1.2.2Screw Holes

Place four (4) screws into the holes indicated by circles to secure the motherboard to the chassis.

Caution! Do not over tighten the screws! Doing so can damage the motherboard.

AIMB-256 User Manual

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Contents AIMB-256 Operation safety Safety InformationElectrical safety Technical Support Packing ListPage Contents Appendix a Chapter Placement Direction Before you ProceedMotherboard Overview Screw HolesProduction Introduction Motherboard Layout Motherboard LayoutLayout Content List SlotsCentral Processing Unit CPU SPDIFOUT2Installing the CPU Page Installing the CPU Heatsink and Fan Motherboard Hole Production Introduction Uninstalling the CPU Heatsink and Fan System Memory Dimm Sockets LocationMemory Configurations Installing a DDR2 DimmProduction Introduction Removing a DDR2 Dimm Installing an Expansion CardExpansion Slots PCI Slot Configuring an Expansion CardStandard Interrupt Assignments Jumpers Clear Cmos CCMOS12 COM1 RI/+5 V/+12 V Selection JCOMPWR1, JCOMPWR2 3 COM2 RI/+5 V/+12 V Selection JCOMPWR1, JCOMPWR24 COM3 RI/+5 V/+12 V Selection JCOMPWR3, JCOMPWR4 5 COM4 RI/+5 V/+12 V Selection JCOMPWR3, JCOMPWR4Rear Panel Connectors ConnectorsSM Power Connector SMPWRBTN1 LEDs Important notes on the Motherboard Power Requirements Serial Port 3 Connector COM3 Serial Port 4 Connector COM4 CPU Fan Connector CPUFAN1 Power Fan Connector PWRFAN1System Panel Connector FPIO1 System Power LED 2-pin PwrledPrimary IDE Connector IDE1 Lvds Connector JLVDS1 LCD Inverter Connector JBKL1 Digital I/O Connector JDIO1SPI Connector JSPI1 Digital Audio Connector SPDIFOUT2 Serial Sata Connector Black SATA1, SATA2, SATA3 USB 2.0 Connector USB3, USB4, USB5USB3 USB4 USB4 USB5 USB3 Page Bios Setup Bios Setup Program List Box Sub-menuBios Menu Screen MainSystem Overview System TimeIDE Configuration System DatePage Bios Setup Page Apci Configurations AdvancedPage APM Configuration Reserved Page Bios Setup Page Bios Setup Page Bios Setup PCI PnP Bios Setup Page Bios Setup Page Chipset Page Bios Setup Page Bios Setup Page Bios Setup Page Bios Setup Page Bios Setup CPU Temperature HW MonitorCPU FAN Profile Mode 4 TPMAuxfan Speed Vcore / 3.3 V / 12 V / +5Boot Execute TPM Command Enable/Disable Execute TPM commandSecurity Boot Setting Configuration Bios Setup Exit Save Changes and ExitDiscard Changes and Exit Discard ChangesLoad Optimal Defaults Load Failsafe DefaultsAppendix a Specifications Summary Table A.1 AIMB-256 Specification SummaryAppendix a Specifications Block Diagram Figure A.1 Block DiagramAppendix a Specifications