asus上电时序

AC_BAT_SYS
+5VAO +5VA
+3VAO +3VA
+3VA_EC +3VACC +3VPLL
EC_RST# EC振荡
(EC芯片)VSUS_ON
ENBL
+12VSUS
+3VSUS +3VO
+5VSUS +5VO
SUS_PWRGD
(EC芯片)PM_RSMRST#
PWR_SW#
(EC芯片)PM_PWRBTN#
+3VSUS,+VCC_RTC,PM_RSMRST#,PM_PWRBTN#,南桥晶振) (SB)PM_SUSB# PM_SUSC#
(EC芯片)SUSB_EC# SUSC_EC#
+3V +5V
+3VS +5VS
(+5VO,SUSB#_PWR,SUSC#_PWR,AC_BAT_SYS)+1.8VO +1.8V +0.9VO +0.9V
DDR_PWRGD9
(+5VO,SUSB#_PWR,AC_BAT_SYS)+1.05VO +VCCP +1.5VO +1.5VS
1.05V_1.5V_PWRGD9
(SUS_PWRGD,DDR_PWRGD,1.05V_1.5V_PWRGD,PWR_OK_VGA)ALL_SYSTEM_PWRGD
(EC芯片)CPU_VRON
(CPU_VRON,+3VS,+5VS,AC_BAT_SYS)+VCORE
VRM_PWRGD(或CPU_PWRGD)
---(VRM_PWRGD,ALL_SYSTEM_PWRGD)FORCE_OFF#---
(VRM_PWRGD)(EC芯片)EC_CLK_EN
VR_PWRGD_CLKEN
(SB)CLK_PWRGD
(+3VS,CLK_PWRGD,晶振)各个芯片工作需要的时钟讯号
(CLK_KBC_PCI)(EC芯片)PM_PWROK
(PM_PWROK ,CLK_ICHPCI,CLK_ICH14)(SB)PLT_RST# PCI_RST#
H_PWRGD!
(PM_PWROK,CLK_......,BUF_PLT_RST#)(NB)H_CPURST#
(H_CPURST#,H_PWRGD,+VCCP_CPU,CLK_......)(CPU)36条地址线(H_A#) 64条数据线(H_D#)