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JM3 Power--
JM3 Power
1. To know JM3 Power-Up Sequence.
2. More easy to find out the root-cause if system
Lock-Up of No-Power.
3. To realize each step before BIOS is working.
4. Summarized preliminary Power-Up sequence
diagram.
up Sequence
up Sequence
5. Power-up sequence after POWER_SW# in the
Nutshell.
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Block
High Volt.
Section
DCIN+ DC_IN+
PCIRST#
CPURST#
Banias CPU
Montara GM
+DC_IN
FSB
HUB-LINK
12V
System on, Bat
powered only
BUS
Adapter is
alive
RBAT_7.2V
Section
ICH4
SDC_IN+
V-CHG
charging
VCCRTC
RTCRST#
1715PWROK
Charging
Charging
+RTCSRC
+RTC_PWR5V+RTC_PWR3_3V
PBATT+
SBATT+
Warm swap only
LIVE_ON_BATT
LIVE_ON_BATT
ACAV_IN
THERM_STP#
ALWON
SUSPWROK
shutdown
PWR_SRC
D/D Power
+3VALW,5VALW
+5VSUS,
+1_5VSUS
+2_5VSUS
+3VSUS
SUS_ON
PWRGOOD,
D/D
Section
AUX_EN
LPC
SIO
(MACALLEN)
X-BUS
Flash ROM
(8M bit)
+VCC1_2_GMCH,
VTT,
12V
Delay
(3~12mS)
DELAY_IMVP_PWRGD
VHCORE
(IMVP IV)
RUNPWROK
ICH4
+5VRUN, +3VRUN,
+1_5VRUN, +2_5VRUN,
+1_8VRUN
SLP_S3#
MACALLEN
(LPC47N254)
RUN_ON
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Binchuan:
Binchuan:
+RTCSRC supply +RTC_PWR5V
+RTCSRC supply +RTC_PWR5V
and +RTC_PWR3_3V
and +RTC_PWR3_3V
DC_IN+
RBAT_7.2V30
R380
15K
D13R_VCC
12
+12V
C208
1000P
D24
2
1
RB715F
+
RTCSRC(P41,43)
+
RTCSRC(P41,43)
3
SBATT_CH
12
TRACE:20MIL TRACE:20MIL
R379
10K
SYS_SUSPEND21
+RTCSRC
D25
2 1
1N5819HW
2
+RTCSRC
47K
47K
H
3
Q48
FDG316P
4
RP97
2
4
4P2R-S-100K
Q46
DTC144EUA
3
1
3
PWR_SRC
6
5
2
H
1
PWR_SRC
+RTCSRC
+RTCSRC
R382 10K
H
C644
.1U_50V
1 2
C645
1U_25V
U35 MAX1615
1
IN
SOT23-5
OUT
5/3#
GNDSHDN
1
+RTCSRC
+RTCSRC
H
3
4
25
+RTC_PWR3_3V
C646
+RTC_PWR3_3V
10U_10V
H
R394 10K
1 2
C661
.1U_50V
C662
1U_25V
U39 MAX1615
1
IN
SOT23-5
OUT
5/3#
GNDSHDN
H
3
4
25
+RTC_PWR5V
C654
10U_10V
+RTC_PWR5V
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Binchuan:
Binchuan:
ACAV_IN will be
ACAV_IN will be
generated after
generated after
+RTC_PWR5V.
+RTC_PWR5V.
DC_IN+ (3)
H
ACAV_IN(P37)
+RTC_PWR5V
R468
75K/F
R471
12.7K/F
DC_IN+
12
12
1
12
R459
1K
R465 10K
1 2
R464 1M
1 2
U52
LM431SACMF
3 2
+RTC_PWR5V
2
12
H
1
Q61
39063
ACAV_IN 22,36,41
ACAV_IN
R458
100K
H
Binchuan:
Binchuan:
ACAV_IN generate to notice SIO
ACAV_IN generate to notice SIO
about Adaptor(Present).
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Binchuan:
Binchuan:
(6).As soon as +RTC_PWR3_3V on, then
(6).As soon as +RTC_PWR3_3V on, then
RTCRST# will be from Low ?High.
RTCRST# will be from Low ?High.
(Reset CMOS)
(Reset CMOS)
RTCRST#(P9)
RTCRST#(P9)
VCCRTC
+RTC_PWR3_3V
Binchuan:
Binchuan:
CLK_32KX1/X2 must
CLK_32KX1/X2 must
be generated, it’s for
be generated, it’s for
RTCCLK units(ICH4)
RTCCLK units(ICH4)
using to generate
using to generate
SLP_S3# &SLP_S5#.
SLP_S3# &SLP_S5#.
H
H
H
RTCRST#
ICH4
OSCILLATION
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Binchuan:
Binchuan:
(A).POWER_SW# generate
(A).POWER_SW# generate
the POWER_SIO#, and If
the POWER_SIO#, and If
MACALLEN(SIO) is alive
MACALLEN(SIO) is alive
then it’ll assert SUN_ON to
then it’ll assert SUN_ON to
MAX1999 (3/5VSUS)
MAX1999 (3/5VSUS)
H-L-H
POWER_SW#
POWER_SIO#
POWER_SW#27,28
PWRSW_SIO#21
H-L-H
POWER_SW#(P41,P2
POWER_SW#
D26
2 1
RB751V
LIVE_ON_BATT22
+RTC_PWR5V
C650
.1U
ACAV_IN22,36,37
12
R391
10K
R397 100K
1 2
+RTC_PWR5V
5
1 6
+RTC_PWR5V
5
2
1
1 2
U36A
7WZ14
C657
.1U
NC7ST32
1)
U40
4
+RTC_PWR5V
5
2
1
C658
1 2
.1U
U41
7SH32
4
H-L-H
SUS_ON
MACALLEN(SIO)
H
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Binchuan:
With respect of MAX1999, the SHDN# pin need
SUS_ON signal to generate 3/5/12V.
Binchuan:
THERM_STP# is OD and will be
THERM_STP# is OD and will be
generated its function after +3VSUS.
generated its function after +3VSUS.
MAX1999(P41)
SHDN#
MAX1999
ON3
ON5
SUS_ON
SUS_ON
Keep ‘H’
H
H
H
H
Binchuan:
Binchuan:
With respect of MAX1999, the SHDN# pin need
to at Logic ‘H’ and Enable ON3 & ON5 from
to at Logic ‘H’ and Enable ON3 & ON5 from
SUS_ON signal to generate 3/5/12V.
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Binchuan:
Binchuan:
SUS_ON turn on +3/5VSUS power.
SUS_ON turn on +3/5VSUS power.
While MAX1999 stable then it
While MAX1999 stable then it
generate SUSPWROK_5V.
generate SUSPWROK_5V.
3/5/12V(P41)
15V
+5VSUS
+3VSUS
H
MAX1999
H
H
+12V
H
H
SUSPWROK_5V