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Schematic Diagrams
NVIDIA Power Sequence
A
T68
R367
10K_04
Sheet 17 of 57
NVIDIA Power
Sequence
B
C
D
B - 18 NVIDIA Power Sequence
1
2
3
1V8_AON
DGPU_PEX_RST#
U29Q
INS37232625
SMC_VGA_THERM1
SMC_VGA_THERM
1
6
?
COMMON
10/17 MISC1
Q6A
MTDK3S6R
T4
I2CS_SCL
SMD_VGA_THERM1
SMD_VGA_THERM
I2CS_SDA
T3
4
3
NV_OVERT
M1
R2
I2CC_SCL
OVERT
I2CC_SCL
I2CC_SDA
Q6B
I2CC_SDA
R3
TS_VREF
AP9
MTDK3S6R
TS_VREF
R7
I2CB_SCL
I2CB_SCL
I2CB_SDA
K4
THERMDN
I2CB_SDA
R6
K3
THERMDP
P6
GPIO0_NVVDD_PWM_VID
GPIO0
GPIO0_NVVDD_PWM_VID
AM10
M3
GPIO1_GC6_FB_EN
JTAG_TCK
GPIO1
GC6_GPU_EVENT
AP11
L6
A
C
D46
JTAG_TMS
GPIO2
GPU_EVENT#
AM11
P5
NVVDDS_PWM
JTAG_TDI
GPIO3
RB751V-40(lision)
T8
AP12
P7
GPIO4_1V8_MAIN_EN
JTAG_TDO
GPIO4
AN11
L7
JTAG_TRST
GPIO5
GPIO6_NVVDD_PSI#
AK11
NVJTAG_SEL
GPIO6
M7
GPIO6_NVVDD_PSI#
N8
GPIO7
L3
MEM_VDD_CTL
GPIO8
GPIO9_ALERT_FAN
MEM_VDD_CTL
R371
GPIO9
M2
L1
GPIO10_FBVREF_ALTV
GPIO10
GPIO10_FBVREF_ALTV
10K_04
M5
GPIO11
GPIO12_AC_DETECT
N3
GPIO12
M4
GPIO13
N4
GPIO14
P2
GPIO15
R8
SYS_PEX_RST_MON#
GPIO16
M6
GPIO17
GPIO18_IFPE_HPD
R1
GPIO18
GPIO19
P3
P4
GPIO20
P1
GPIO21
P8
GPIO22
T8
GPU_PEX_RST_HOLD#
GPIO23
L2
GPIO24
SNN_A_SCL
R4
GPIO25
T10
R5
SNN_A_SDA
GPIO26
T9
U3
GPIO27
N17P-G1-A1 MP
U29P
INS37232476
?
COMMON
12/17 MISC2
H6
VGA_ROM_CS#
ROM_CS
T7
H5
VGA_ROM_SI
ROM_SI
H7
VGA_ROM_SO
ROM_SO
VGA_STRAP0
VGA_ROM_SCLK
J2
H4
STRAP0
ROM_SCLK
VGA_STRAP1
J7
STRAP1
VGA_STRAP2
J6
STRAP2
VGA_STRAP3
J5
STRAP3
VGA_STRAP4
J3
STRAP4
VGA_STRAP5
J1
STRAP5
E1
GPU_BUFRST*
BUFRST
N17P-G1-A1 MP
FROM NV DP CONN.
1V8_AON
R392
10K_04
GPIO18_IFPE_HPD
Q38
R410
BTN3904
100K_04
B
MDP_E_HPD
19,21,28
R411
C557
100K_04
220p_50V_NPO_04
1
2
3
4
5
1V8_AON
SYS_PEX_RST_MON#
R97
10K_04
GPIO4_1V8_MAIN_EN
R98
10K_04
10,17
R86
10K_04
GC6_GPU_EVENT
GPIO9_ALERT_FAN
R399
10K_04
NV_OVERT
R102
10K_04
R85
10K_04
GPU_PEX_RST_HOLD#
SMC_VGA_THERM
39,40
GPIO12_AC_DETECT
R326
100K_04
MEM_VDD_CTL
R397
*10K_04
R393
2.2K_04
I2CC_SDA
I2CC_SCL
R400
2.2K_04
SMD_VGA_THERM
39,40
R96
1.8K_1%_04
I2CB_SDA
R84
1.8K_1%_04
I2CB_SCL
GPIO1_GC6_FB_EN
GPIO10_FBVREF_ALTV
49
R398
28
R67
100K_04
10K_04
0914
49
50
12,13,14,15
3.3VS
R259
10K_04
NV_OVERT
S
D
dGPU_OVERT_EC
Q4
3.3VS
2SK3018S3
CHECK PULL HI?
DGPU_PEX_RST#
R253
10K_04
GPIO9_ALERT_FAN
S
D
GPIO9_ALERT_FAN_EC
Q35
2SK3018S3
0815 ADD PU
HW POWER DOWN SEQUENCE
NV_1V8RUN_EN
Q3
NV_EN_DOWN
G
17,40
NV_EN_DOWN
2SK3018S3
NV_NVVDD_EN
NV_PEXVDD_EN
NV_FBVDDQ_EN
Q8
Q11
NV_EN_DOWN
G
NV_EN_DOWN
G
NV_EN_DOWN
G
2SK3018S3
2SK3018S3
NVIDIA GPIO LEVEL SHIFT
3.3VS
3.3VS
R387
*100K_04
R380
*100K_04
GPIO4_1V8_MAIN_EN_R
D
Q31A
2
G
*MTDK3S6R
S
D
1V8_AON
Q31B
GPIO4_1V8_MAIN_EN
5
G
*MTDK3S6R
S
R595
*0_04
20171115
20171226
modify
Add "*"
4
5
6
7
Power Up Sequence
1V8_AON->1V8_RUN->NVVDD->NVVDDS/PEX_DVDD->FBVDDQ
3.3V
U2
NV_FBVDDQ_EN
1
20
VDD
FBVDDQ_EN
NV_EN_DOWN
2
19
NV_PEXVDD_EN
17,40
NV_EN_DOWN
VIN_DOWN
PEX_VDD_EN
NV_OVERT
3
18
NV_NVVDDS_EN
OVERT#
NVVDDS_EN
NV_NVVDD_EN
R101
10K_04
4
17
1V8_AON
SUSB#
NVVDD_EN
NVVDDS_PWRGD
5
16
NV_NV3V3_EN
NVVDDS_PWRGD
3V3_SYS_EN
GPIO1_GC6_FB_EN
NV_1V8RUN_EN
6
15
GC6_FB_EN
1V8_MAIN_EN
GC6_FB_EN
7
14
NV_1V8AON_EN
28,40
GC6_FB_EN
GC6_FB_EN_PCH
1V8_AON_EN
PLT_RST#
8
13
GPIO4_1V8_MAIN_EN
24,25
PLT_RST#
PLT_RST#
GPIO4_1V8_MAIN_EN
DGPU_RST#_PCH
dGPU_PWR_EN
9
12
28
DGPU_RST#_PCH
dGPU_RST#_PCH
dGPU_PWR_EN
DGPU_PEX_RST#
10
11
10,17
DGPU_PEX_RST#
GPU_PEX_RST#
GND
SLG4U41681
1V8_AON
DGPU_PEX_RST#
R363
10K_04
dGPU_PWR_EN
D3
R76
10K_04
DGPU_RST#_PCH
C
R92
100K_04
49
NVVDD_PWRGD
GC6_FB_EN
R103
*100K_04
RB751S-40H
40
40
STRAP
1V8_AON
VGA_ROM_SI
R66
100K_1%_04
R65
R79
100K_1%_04
VGA_ROM_SO
R70
VGA_ROM_SCLK
R83
100K_1%_04
R75
VGA_STRAP0
R407
*100K_1%_04
R396
Q10
2SK3018S3
R82
_
*100K_1%_04
VGA_STRAP1
R73
VGA_STRAP2
R87
*100K_1%_04
R71
VGA_STRAP3
R89
100K_1%_04
R90
R99
*100K_1%_04
VGA_STRAP4
R100
0913 modify
VGA_STRAP5
R406
*100K_1%_04
R395
27
1V8_AON
AC/BATL#
U25
1
AC/BATL#
48
GPIO12_AC_DETECT
4
2
DGPIO12_AC_DETECT
VBATT_BOOST#
40
H
L
SN74LV1T32DCKR
Title
Title
Title
[17] NVIDIA POWER SEQUENCE
[17] NVIDIA POWER SEQUENCE
[17] NVIDIA POWER SEQUENCE
Size
Size
Size
Document Number
Document Number
Document Number
6-71-NB500-D02
6-71-NB500-D02
6-71-NB500-D02
A2
A2
A2
NB50TJ1-D02
NB50TJ1-D02
NB50TJ1-D02
Date:
Date:
Date:
Friday, December 29, 2017
Friday, December 29, 2017
Friday, December 29, 2017
6
7
8
NV_FBVDDQ_EN
50
NV_PEXVDD_EN
51
T12
NV_NVVDD_EN
49
T11
NV_1V8RUN_EN
51
A
NV_1V8AON_EN
51
dGPU_PWR_EN
28,40
A
NVVDDS_PWRGD
B
*100K_1%_04
*100K_1%_04
*100K_1%_04
C
100K_1%_04
100K_1%_04
100K_1%_04
*100K_1%_04
100K_1%_04
100K_1%_04
AC_IN
H,
BATTERY
L
EC Alway low,
bios
,
LOW
D
Rev
Rev
Rev
D02
D02
D02
Sheet
Sheet
Sheet
17
17
17
of
of
of
57
57
57
8
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