6JBAT CMOS RAM Clear 3-pin Block P.7JP1 Keyboard Power On Enable/Disabled 3-pin Block P.7ConnectorsConnector Name Description PageATXPWR ATX Power Connector 20-pin Block P.12ATX12V ATX 12V Power Connector 4-pin Block P.12ATXP9 ATX P9 Power Connector 6-pin Block P.13PS2KBM PS/2 Mouse & PS/2 KeyboardConnector6-pin Female P.13USB USB Port Connector 4-pin Connector P.13LAN(P4X400DAP/P4X400DAZ)LAN Port Connector RJ-45 Connector P.13PARALL Parallel Port Connector 25-pin Female P.13AUDIO_GAME Audio/Game Connector 3 phone jack+15-pin Connector P.13COM1/COM2 Serial Port COM1/2 Connector 9-pin Connector P.14FDD Floppy Driver Connector 34-pin Block P.14IDE1/IDE2 Primary/Secondary IDE Connector 40-pin Block P.14HeadersHeader Name Description Page1394A/1394B(for P4X400DAZ)IEE1394A Port headers 9-pin Block P.15AUDIO SPEAKER, MIC header 9-pin Block P.15USB1/USB2 USB Port Headers 9-pin Block P.16HD LED IDE activity LED 2-pin Block P.16RESET Reset switch lead 2-pin Block P.16SPEAK PC Speaker connector 4-pin Block P.16PWR LED Power LED 2-pin Block P.16PWR BTN Power switch 2-pin Block P.16WOL Wake On-LAN Headers 3-pin Block P.17SFAN1, SYSFAN,CPUFANFAN Headers 3-pin Block P.17IR IR infrared module Headers 5-pin Block P.18CD_IN CD Audio-In Headers 4-pin Block P.18Expansion SocketsSocket/Slot Name Description PageZIF Socket 478 Pin CPU Socket 478-pin mPGA CPU Socket P.9DDR1, DDR2, DDR3 DDR Module Socket 184-pin DDR Module expansionSocketP.9PCI1 ∼ PCI5 PCI Slot 32-bit PCI Local Bus Expansion slots P.10AGP AGP 8X Mode Slot AGP Expansion Slot P.12Chapter 2Hardware installation