华硕上电图
华硕上电图华硕POWER 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
+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#
+3V +5V
+3VS+5VS
(+5VO,SUSB#_PWR,SUSC#_PWR,AC_BAT_SYS)+1.8VO+1.8V+0.9VO+0.9V" DDR_PWRGD
(+5VO,SUSB#_PWR,AC_BAT_SYS)+1.05VO+VCCP+1.5VO+1.5VS% 1.05V_1.5V_PWRGD (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#)
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