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Power-on-Sequence

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Intel i3 i5
Power On Sequence
HM57_广达UM7C(DELL N3010)
Quanta UM7C
+DC_IN_SS
适配器19V经过PQ22
送至PQ26 D极
PQ22
+PWR_SRC
PQ26
VIN
OUT2
+3.3V_ALW
PU7
PR104
240K
RT8206BGQW
PR34
100K
LDO ON2
PR105
47K
G
PQ3
+3.3V_ALW
S
+5V_ALW
R135
100K
PR40
49.9K
得到19V供电产生
LDO线性电压
一路经过PR36、
PR40电阻分压送
至ACIN引脚产生
ACOK
D6
SYS_PWR_SW#
+5V_ALW
DC模式,按下开关,
开启3.3V_ALW_ON
LDO
DCIN
ACIN
R141
100K
PU1
ISL88731A
PR18
10K
D
D5
ACAV_IN
G
G
AC模式,
ACAV_IN直接开启
3.3V_ALW_ON
Q5
S
D
PR19
15.8K
R144
100K
EC发出ALW_ON,
维持3.3V_ALW_ON
POWER_SW_IN0#
ACOK
LDO经PR18、
PR19分压得到高
电平送至PQ3 G极
R143
100K
3.3V_ALW_ON
PR39
215K
THERM_STP#
D
PQ3导通后,从PQ26
内部二极管过来的19V
经过PR34和PR108分
压得到电平,使Q26导
通产生公共点
+3.3V_EN2
PR108
10K
Q3
D
S
ALW_ON
G
Q4
S
H_VTTPWRGD
11
AM15
16
AL15
RTC
4
0
10-1
PU4
RT8204C 1.05V_VTT_PWRGD
10
+1.05V_PCH
PU8
10-1
RT8209A 1.05VPCH_PWRGD
15
9
73 124 82
3 SUS_ON
14
2
Q2
CK_PWRGD_R
CLK
84
SYS_PWR_SW#
THERM_STP#
+3.3V_ALW
14-1
125 AVCC 66
100
1
0 ACAV_IN
9 GFX_ON
11 HWPG
PQ17
PU7
RT8206
+3.3V_EN2
VR_PWRGD_CLKEN#
4
+1.5V_SUS
PU3
4-1
RT8207
1.5V_DDR_PWRGD
+3.3V_SUS
+5V_SUS
GFX_CORE_PWRGD
14
EC
10
+0.75V_DDR_VTT
RUN_ON
123
119
10
10
95
IMVP_PWRGD
+3.3V_RUN
+5V_RUN
+1.5V_RUN
+1.05V_VTT
ECPWROK
7 8
12
IMVP_VR_ON
SIO_SLP_S3#
69 112 80 81
PU2
ADP3212
MNR2G
SIO_SLP_S5#
6
PM_PWRBTN#_R
5
RSMRST#
+VCC_CORE
5-1
AC_PRESENT
13
SUS_PWR_DN_ACK
4-1
MEPWROK
SYS_PWROK
PWROK
CPU_PLTRST#
SLP_S3#
RSTIN#
17
SLP_S5#
AN14
PWRBTN#
PCH
16
H_PWRGOOD
RSMRST#
CPU
+3.3V_SUS
PM_DRAM_PWRGD
4
4
+3.3V_ALW
1
10
+VCC_GFX_CORE
PU6
GFX_+1.1V_EN
10-2
PU5
PU9 +1.8V
10-1
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