电脑主机板开机过程及具体电路讲解

Presentedby:Presentedby:[e-mail]@mic.com.tw2005913PowerButtonServerSCSIHDDServer(Hardware)(software)(Firmware)Yougetwhatyoumeasure.什量什Yougetwhatyoumeasure.什量什DOS/Windows/LinuxCPUPOSTO/SCPUBIOSFirmwareBIOSBIOSPOST(poweronselftest)CMOSCMOSPOSTYougetwhatyoumeasure.什量什Yougetwhatyoumeasure.什量什POST1CPUBIOSPCIPCI-ESATAIDE2CPUBIOSBIOSBIOS3POSTDMA4POSTCPUMEMROMCMOS_RAMNBSerailI/OParallelI/OPCI-ECardK/BFDDHDDCD-ROMPOST(NB)(MEM(NB/SBPOSTYougetwhatyoumeasure.什量什BIOSPOSTDelF2/F1CMOSCMOSBIOSROMCPUBIOSROMCMOS_RAM(SB/ICH)CMOS(BIOS)BIOSCMOSCMOSBIOSCMOSCPUBIOSBIOSDebugCard(IntelPOSTTroubleShootingYougetwhatyoumeasure.什量什O/S(DOS/Windows/Linux“”POSTNB/SBGMCHICHPOWERVRMCPUVIDRegulatorButtonPOWERPCI_RSTCPU_RSTPOWER_OKPWR_GDVCCPPS_ON42839657110VIDVIDVoltageYougetwhatyoumeasure.什量什Yougetwhatyoumeasure.什量什6CPUVcoreVIDVRM(VoltageRegulatorModule)7VRMVIDVCCPCPUVcore8CPUVCCPVRMVRMPWR_SBICHICHCPU9ICHPWR_GDPCIRST#PLTRST#GMCHPCI1220V/110PowerSupply)5VSB(Pin9)2PWRButtonPS-ONPin16312V-12V5V3.3V4PWR_OK5CPUVID(VoltageIdentify)CPUCPUVID10GMCHPCIRST#CPURST#CPU來說RSTICHRSTICHBIOSSuperI/OAudioLANGMCHCPUPCI-EX16PCISLOTIDEPCI-EX1PCIRST#PCIRST#PCIRST#PCIRST#PCIRST#PCIRST#IDERST#CPURST#ACRRST#PCIRST#RTCRST#RSMRST#Yougetwhatyoumeasure.什量什GransdaleINTEL(SB)(NB)ICH(I/OControllerHub)GMCH(GraphicMemoryControllerHub)Gransdale6I/OControllerICH6(R)82801(**)**FBYougetwhatyoumeasure.什量什Yougetwhatyoumeasure.什量什GransdaleAugsburgYougetwhatyoumeasure.什量什915VSBPin92PWRButtonJ9J4Pin6Pin8()SW_ON_R*R9J4SW_ON*()ICH6PWRBTN*ICH()5VSB(p40)Yougetwhatyoumeasure.什量什Yougetwhatyoumeasure.什量什(p74)ICHLPCSuperI/OSuperI/OPin81PS_ON_SIO*R3J3PS-ONPS_ONYougetwhatyoumeasure.什量什34PWRGD_PS(P86)5U5C1Q4C2Q5B3C5D6C4D1V_FSB_VTTCPU1.2VV_FSB_VTT(p87)(p7)Yougetwhatyoumeasure.什量什6CPU1.2VV_FSB_VTTVIDVID(p6)Yougetwhatyoumeasure.什量什6VRMCPUVIDVCCPCPUVcore(p95)Yougetwhatyoumeasure.什量什(p97)CPUVcorePWM75ACPUPWMControllerPWMMOSPWMLCYougetwhatyoumeasure.什量什7VRMVCCPVTT_PWRGD*VTT_PWRGD*ICU6B2Pin1614M33M48M100MCPUGMCH(p30)Yougetwhatyoumeasure.什量什8ICH6Power_GDPCIRST#PLTRST#(p40)Yougetwhatyoumeasure.什量什ICH(p37)Yougetwhatyoumeasure.什量什ICH9GMCHICHPLTRST#()H_CPURST*()CPUFFFFFFF0H(p15)Yougetwhatyoumeasure.什量什GMCH(p10)Yougetwhatyoumeasure.什量什GMCHYougetwhatyoumeasure.什量什(p6)CPU