Asus manual Serial port connector 10-1 pin COM, F2A55-M Serial port COM connector

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5.Serial port connector (10-1 pin COM)

This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis.

COM

CTS

DSR

DTR

RXD

PIN 1

DCD TXD GND RTS RI

F2A55-M

F2A55-M Serial port (COM) connector

The COM module is purchased separately.

6.CPU and chassis fan connectors (3-pin PWR FAN, 4-pin CPU_FAN, and 4-pin CHA_FAN)

Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector.

F2A55-M

PWR_FAN CPU_FAN

Rotation +12V GND

CPU FAN PWM CPU FAN IN CPU FAN PWR GND

CHA_FAN

GND

CHA FAN PWR

CHA FAN IN CHA FAN DC mode

F2A55-M Fan connectors

Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors!

• The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.

• Only the 4-pin CPU fan & CHA fan support ASUS FanXpert feature.

ASUS F2A55-M

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Contents Motherboard E7489 First Edition August Contents Ai Tweaker menu Bios informationCPU / PWR / Chassis Fan Speed xxxx RPM or Ignore / N/A AppendicesSafety information Electrical safetyOperation safety Where to find more information About this guideHow this guide is organized Conventions used in this guide TypographyBold text ASMedia USB3.0 Controller F2A55-M specifications summaryPrecision Tweaker Asus unique features Asus Digital Power DesignAsus Exclusive Features Asus Quiet Thermal SolutionBack Panel I/O ports Package contents Product highlights Special featuresDIGI+VRM Innovative Asus featuresAsus Quiet Thermal Solution Asus EZ Flash Asus CrashFree BiosBefore you proceed Asus MyLogo2Placement direction Motherboard overviewScrew holes F2A55-M Motherboard layoutAccelerated Processing Unit APU Layout contentsInstalling the APU To install the APU heatsink and fan assembly APU heatsink and fan assembly installationTo uninstall the APU heatsink and fan assembly System memory OverviewF2A55-M 240-pin DDR3 Dimm sockets DDR3-2250 O.C. MHz capability Memory configurationsDDR3-1866 O.C. MHz capability DDR3-2200 O.C. MHz capabilityDDR3-2133 O.C. MHz capability DDR3-2000 O.C. MHz capabilityDPLD9U DDR3-1600 MHz capabilityDDR3-1333 MHz capability On the next Product introduction OJD12D9LGK Dimm support DDR3-1066 MHz capabilityRemoving a Dimm Installing a DimmPCI slot Installing an expansion cardConfiguring an expansion card Expansion slotsIRQ assignments for this motherboard PCI Express x16 slotsJumpers Clear RTC RAM 3-pin ClrtcF2A55-M Clear RTC RAM Connectors Rear panel connectorsLAN port LED indications Channel Audio 2, 4, 6, or 8-channel configurationDigital audio connector 4-1 pin Spdifout Internal connectorsFront panel audio connector 10-1 pin Aafp F2A55-M Front panel audio connectorATX power connectors 24-pin EATXPWR, 4-pin ATX12V F2A55-M ATX power connectorsTPM connector 20-1 pin TPM Serial port connector 10-1 pin COM F2A55-M Serial port COM connectorF2A55-M Fan connectors F2A55-M USB2.0 connectors USB connectors 10-1 pin USB56, USB78, USB910AMD A55 Serial ATA 3.0Gb/s connectors 7-pin SATA3G1~6 blue F2A55-M Sata 3.0Gb/s connectorsF2A55-M System panel connector System power LED 2-pin Pled Onboard switches MemOK! switchF2A55-M MemOK! switch Onboard LEDs GPU Boost switchF2A55-M GPU Boost switch Standby Power LEDF2A55-M GPU Boost LED GPU Boost LEDTo run the Support DVD Installing an operating systemSoftware support Support DVD informationUpdating the Bios Managing and updating your BiosAsus Update utility Installing Asus UpdateAsus EZ Flash To update the Bios using EZ FlashAsus CrashFree Bios 3 utility Recovering the BiosTo recover the Bios Asus Bios Updater Before updating BiosBooting the system in DOS environment To update the Bios file using Bios Updater Updating the Bios fileTo enter Bios Setup at startup Bios setup programEntering Bios Setup at startup Entering Bios Setup after PostEZ Mode Bios menu screenMenu bar Advanced ModeSubmenu items Configuration fieldsMenu items Back buttonSystem Time Main menuSystem Language English System Date Day xx/xx/xxxxTo change an administrator password Administrator PasswordUser Password To set an administrator passwordAi Tweaker menu Scroll down to display the following items APU Multiplier Auto EPU Power Saving Mode DisabledAi Overclock Tuner Auto Memory Frequency AutoDram Timing Control CPU Voltage Offset ModeGPU Boost Auto OC Tuner13 APU1.2V Voltage Auto Dram Voltage Auto11 SB 1.1V Voltage Auto 12 1.1Vsb Voltage AutoCPU Voltage Frequency Auto CPU Power Phase Control StandardCPU Power Duty Control T.Probe CPU/NB Current Capability 100%Advanced menu CPU ConfigurationSata Configuration USB Configuration NB ConfigurationOnboard Devices Configuration 6 APM Network Stack CPU Temperature / MB Temperature xxxºC/xxxºF Monitor menuCPU / PWR / Chassis Fan Speed xxxx RPM or Ignore / N/A Chafan Fan Speed Low Limit 600 RPM CPU Q-Fan Control EnabledChafan Q-Fan Control Enabled CPU Fan Speed Low Limit 200 RPMAnti Surge Support Enabled CPU Voltage, 3.3V Voltage, 5V Voltage, 12V VoltageChafan Fan Profile Standard Boot menu Post Logo Delay Time 3 sec Bootup NumLock State OnFull Screen Logo Enabled Fast Boot EnabledNext boot after AC Power Loss Normal Boot Security Boot parametersCSM Parameters Setup Mode EZ Mode Boot Option PrioritiesBoot Override Asus O.C. Profile Tools menuAsus EZ Flash 2 Utility Asus SPD InformationExit menu Getting started Federal Communications Commission Statement AppendicesCanadian Department of Communications Statement IC Canadian Compliance StatementReach Asus Recycling/Takeback ServicesAsus Computer GmbH Germany and Austria Asus contact informationASUSTeK Computer INC Asus Computer International AmericaEC Declaration of Conformity Declaration of ConformityAppendices