[. . . ] P5G41T-M LX2 Series · P5G41T-MLX2 · P5G41T-MLX2/GB · P5G41T-MLX2/GB/LPT Motherboard E5226 SecondEditionV2 November2009 Copyright © 2009 ASUSTeK Computer Inc. Nopartofthismanual, includingtheproductsandsoftwaredescribedinit, maybereproduced, transmitted, transcribed, storedinaretrievalsystem, ortranslatedintoanylanguageinanyformorbyany means, exceptdocumentationkeptbythepurchaserforbackuppurposes, withouttheexpresswritten permissionofASUSTeKComputerInc. ("ASUS"). Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the productisdefacedormissing. ASUSPROVIDESTHISMANUAL"ASIS"WITHOUTWARRANTYOFANYKIND, EITHEREXPRESS ORIMPLIED, INCLUDINGBUTNOTLIMITEDTOTHEIMPLIEDWARRANTIESORCONDITIONSOF MERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE. INNOEVENTSHALLASUS, ITS DIRECTORS, OFFICERS, EMPLOYEESORAGENTSBELIABLEFORANYINDIRECT, SPECIAL, INCIDENTAL, ORCONSEQUENTIALDAMAGES(INCLUDINGDAMAGESFORLOSSOFPROFITS, LOSSOFBUSINESS, LOSSOFUSEORDATA, INTERRUPTIONOFBUSINESSANDTHELIKE), EVENIFASUSHASBEENADVISEDOFTHEPOSSIBILITYOFSUCHDAMAGESARISINGFROMANY DEFECTORERRORINTHISMANUALORPRODUCT. [. . . ] 11. 1. 7. 2 1. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) Internal connectors TheseconnectorsareforATXpowersupplyplugs. Thepowersupplyplugsare designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. ATX12V +12V DC +12V DC EATXPWR +3 Volts +12 Volts +12 Volts +5V Standby Power OK GND +5 Volts GND +5 Volts GND +3 Volts +3 Volts PIN 1 PIN 1 P5G41T-M LX2/GB/LPT GND +5 Volts +5 Volts +5 Volts -5 Volts GND GND GND PSON# GND -12 Volts +3 Volts P5G41T-M LX2/GB/LPT ATX power connectors · For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12V Specification 2. 0 or later version and provides a minimum powerof400W. · DONOTforgettoconnectthe4-pinATX12Vpowerplug. Otherwise, thesystemwillnot boot. · We recommend that you use a PSU with a higher power output when configuring a systemwithmorepower-consumingdevicesorwhenyouintendtoinstalladditional devices. Thesystemmaybecomeunstableormaynotbootupifthepoweris inadequate. · Ifyouareuncertainabouttheminimumpowersupplyrequirementforyoursystem, refertotheRecommendedPowerSupplyWattageCalculatorathttp://support. asus. com/PowerSupplyCalculator/PSCalculator. aspx?SLanguage=en-usfordetails. Chapter1:Productintroduction GND GND 1-10 2. CPU and Chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN) Connectthefancablestothefanconnectorsonthemotherboard, ensuringthatthe blackwireofeachcablematchesthegroundpinoftheconnector. DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow inside thesystemmaydamagethemotherboardcomponents. Thesearenotjumpers!Donot placejumpercapsonthefanconnectors!Onlythe4-pinCPUfansupportstheASUSQ-Fanfeature. CHA_FAN Rotation +12V GND CPU_FAN P5G41T-M LX2/GB/LPT CPU FAN PWM CPU FAN IN CPU FAN PWR GND P5G41T-M LX2/GB/LPT fan connectors 3. Serial ATA connectors (7-pin SATA1-4) TheseconnectorsarefortheSerialATAsignalcablesforSerialATA3Gb/sharddisk drivesandopticaldiskdrives. TheSerialATA3Gb/sisbackwardcompatiblewiththe Serial ATA 1. 5Gb/s specification. The data transfer rate of the Serial ATA 3Gb/s is faster thanthestandardparallelATA(133MB/s). GND RSATA_RXN4 RSATA_RXP4 GND RSATA_TXN4 RSATA_TXP4 GND SATA4 GND RSATA_RXN3 RSATA_RXP3 GND RSATA_TXN3 RSATA_TXP3 GND SATA3 GND RSATA_RXN2 RSATA_RXP2 GND RSATA_TXN2 RSATA_TXP2 GND SATA2 P5G41T-M LX2/GB/LPT SATA1 P5G41T-M LX2/GB/LPT SATA connectors 1-11 GND RSATA_RXN1 RSATA_RXP1 GND RSATA_TXN1 RSATA_TXP1 GND ASUSP5G41T-MLX2Series 4. IDE connector (40-1 pin PRI_IDE) TheonboardIDEconnectorisfortheUltraDMA100/66signalcable. Therearethree connectorsoneachUltraDMA100/66signalcable:blue, black, andgray. Connectthe blue connector to the motherboard's IDE connector, then select one of the following modes to configure your device. PIN1 PRI_IDE P5G41T-M LX2/GB/LPT P5G41T-M LX2/GB/LPT IDE connector Drive jumper setting Singledevice Cable-SelectorMaster Cable-Select Twodevices Master Slave - NOTE:Orient the red markings on the IDE ribbon cable to PIN 1. Mode of device(s) Master Slave Master Slave Cable connector Black Black Gray Blackorgray · Pin20ontheIDEconnectorisremovedtomatchthecoveredholeontheUltraDMA cableconnector. ThispreventsincorrectinsertionwhenyouconnecttheIDEcable. Ifanydevicejumperissetas"Cable-Select, "ensurethatallotherdevicejumpershavethe samesetting. 5. Optical drive audio connector (4-pin CD) Theseconnectorsallowyoutoreceivestereoaudioinputfromsoundsourcessuchas aCD-ROM, TVtuner, orMPEGcard. CD P5G41T-M LX2/GB/LPT P5G41T-M LX2/GB/LPT Internal audio connector Chapter1:Productintroduction Right Audio Channel GND GND Left Audio Channel 1-12 6. USB connectors (10-1 pin USB56, USB78) TheseconnectorsareforUSB2. 0ports. ConnecttheUSBmodulecabletoanyof theseconnectors, theninstallthemoduletoaslotopeningatthebackofthesystem chassis. These USB connectors comply with USB 2. 0 specification that supports up to 480Mbpsconnectionspeed. USB+5V USB_P6USB_P6+ GND NC USB56 P5G41T-M LX2/GB/LPT PIN 1 USB78 USB+5V USB_P5USB_P5+ GND PIN 1 P5G41T-M LX2/GB/LPT USB2. 0 connectors Neverconnecta1394cabletotheUSBconnectors. Doingsowilldamagethe motherboard!TheUSB2. 0moduleispurchasedseparately. 7. Floppy disk drive connector (34-1 pin FLOPPY) This connector is for the floppy disk drive (FDD) signal cable. Insert one end of the cabletothisconnector, thenconnecttheotherendtothesignalconnectorattheback of the floppy disk drive. · Pin5ontheconnectorisremovedtopreventincorrectcableconnectionwhenusinga FDDcablewithacoveredPin5. · TheFloppydiskdriveconnectorisanoptionalitemforP5G41T-MLX2and P5G41T-MLX2/GB. FLOPPY PIN1 NOTE: Orient the red markings on the floppy ribbon cable to PIN 1. P5G41T-M LX2/GB/LPT P5G41T-M LX2/GB/LPT Floppy disk drive connector 1-13 ASUSP5G41T-MLX2Series USB+5V USB_P7USB_P7+ GND USB+5V USB_P8USB_P8+ GND NC 8. Front panel audio connector (10-1 pin AAFP) Thisconnectorisforachassis-mountedfrontpanelaudioI/Omodulethatsupports eitherHDAudioorlegacyAC`97audiostandard. Connectoneendofthefrontpanel audioI/Omodulecabletothisconnector. GND PRESENCE# SENSE1_RETUR SENSE2_RETUR AGND NC NC PIN 1 AAFP PIN 1 P5G41T-M LX2/GB/LPT HD-audio-compliant pin definition PORT1 L PORT1 R PORT2 R SENSE_SEND PORT2 L Legacy AC'97 compliant definition P5G41T-M LX2/GB/LPT Front panel audio connector · We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard's high-definition audio capability. · If you want to connect a high-definition front panel audio module to this connector, set theFront Panel TypeitemintheBIOSsetupto[HD Audio]. Ifyouwanttoconnectan AC'97frontpanelaudiomoduletothisconnector, settheitemto[AC97]. Bydefault, this connectorissetto[HD Audio]. Seesection2. 4. 2 Chipsetfordetails. 9. Chassis intrusion connector (4-1 pin CHASSIS) Thisconnectorisforachassis-mountedintrusiondetectionsensororswitch. Connect oneendofthechassisintrusionsensororswitchcabletothisconnector. Thechassis intrusionsensororswitchsendsahigh-levelsignaltothisconnectorwhenachassis componentisremovedorreplaced. Thesignalisthengeneratedasachassisintrusion event. Bydefault, thepinslabeled"ChassisSignal"and"GND"areshortedwithajumpercap. Removethejumpercapsonlywhenyouintendtousethechassisintrusiondetection feature. TheChassisintrusionconnectorisanoptionalitemforP5G41T-MLX2and P5G41T-MLX2/GB. CHASSIS Chassis Signal GND +5VSB_MB P5G41T-M LX2/GB/LPT P5G41T-M LX2/GB/LPT Chassis intrusion connector Chapter1:Productintroduction 1-14 MIC2 MICPWR Line out_R NC Line out_L NC 10. System panel connector (10-1 pin F_PANEL) Thisconnectorsupportsseveralchassis-mountedfunctions. F_PANEL PWR LED PWR BTN PIN 1 P5G41T-M LX2/GB/LPT HD LED P5G41T-M LX2/GB/LPT System panel connector · System power LED (2-pin PLED) This2-pinconnectorisforthesystempowerLED. ConnectthechassispowerLED cabletothisconnector. ThesystempowerLEDlightsupwhenyouturnonthesystem power, andblinkswhenthesystemisinsleepmode. Hard disk drive activity LED (2-pin +HDLED) This2-pinconnectorisfortheHDDActivityLED. ConnecttheHDDActivityLEDcable to this connector. The HD LED lights up or flashes when data is read from or written to theHDD. [. . . ] · ToaccessWindows®OSinSafeMode, doanyofthefollowing: · Press<F5>whenASUSLogoappears. · Press<F8>afterPOST. 2. 6. 2 Boot Settings Configuration Quick Boot [Enabled] EnablingthisitemallowstheBIOStoskipsomepoweronselftests(POST)whilebootingto decreasethetimeneededtobootthesystem. Whensetto[Disabled], BIOSperformsallthe POST items. Configuration options: [Disabled] [Enabled] Full Screen Logo [Enabled] This allows you to enable or disable the full screen logo display feature. Configuration options: [Disabled] [Enabled] Setthisitemto[Enabled]tousetheASUSMyLogo2TMfeature. AddOn ROM Display Mode [Force BIOS] Sets the display mode for option ROM. [. . . ]