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Schematic Diagrams
Misc - GPIO, I2C and ROM
A
Sheet 23 of 67
Misc - GPIO, I2C,
and ROM
B
C
D
B - 24 Misc - GPIO, I2C and ROM
1
2
3
G1U
?
BGA2228
COMMON
14/22 MISC 2
BJ4
VGA_ROM_CS#
ROM_CS
VGA_ROM_SI
ROM_SI
BK2
VGA_ROM_SI
21
VGA_ROM_SO
ROM_SO
BK4
VGA_ROM_SO
21
BL3
BK3
VGA_ROM_SCLK
STRAP0
ROM_SCLK
21
STRAP0
VGA_ROM_SCLK
BL4
STRAP1
21
STRAP1
BM4
STRAP2
21
STRAP2
BM5
STRAP3
21
STRAP3
BK5
STRAP4
21
STRAP4
BJ5
STRAP5
21
STRAP5
BF9
GPU_BUFRST#
BUFRST
1V8_RUN
1V8_AON
*0.1u_10V_X7R_04
C230
GND
R129
R127
0_04
R120
*10K_04
*0_04
NV3V3
24,34
DGPU_RST#_PCH
G1T
R126
4.75K_1%_04
?
R130
4.75K_1%_04
BGA2228
COMMON
12/22 MISC 1
slave
SMC_VGA_THERM1
OVERT#
BG5
OVERT
I2CS_SCL
BJ8
R131
24
OVERT#
BH8
SMD_VGA_THERM1
I2CS_SDA
R124
TS_VREF
BF12
TS_VREF
BG9
R81
33.2_1%_04
I2CC_SCL
I2CC_SCL
BH9
R76
33.2_1%_04
I2CC_SDA
I2CC_SDA
I2CB_SCL
I2CB_SCL
BG8
R92
33.2_1%_04
I2CB_SDA
I2CB_SDA
BF8
R85
33.2_1%_04
BJ1
THERMDN
BJ2
THERMDP
GPIO0
BD6
BB5
GPIO1_GC6_FB_EN
GPIO1
BD1
GPIO2_GPU_EVENT#
GPIO2
BJ9
BE4
ADC_IN
GPIO3
72
ADC_IN_P
BJ11
BE1
GPIO4_1V8_MAIN_EN
ADC_IN
GPIO4
72
ADC_IN_N
BG2
GPIO5_FRAME_LOCK#
GPIO5
BD2
GPIO6_NVVDD_PSI#
GPIO6
BD7
GPIO7_BL_PWM_GPU
GPIO7
GPIO8_MEM_VDD_CTL
BH4
GPIO8
GPIO9_THERM_ALERT#
GPIO9
BJ3
BD3
GPIO10_ALT_MEM_VREF
GPIO10
BK24
BH3
GPIO11_PPEN
JTAG_TCK
GPIO11
BL23
BE6
GPIO12_AC_DETECT_R
JTAG_TMS
GPIO12
BM23
BB1
JTAG_TDI
GPIO13
BM24
BG4
JTAG_TDO
GPIO14
JTAG_TRST
BL24
BG1
JTAG_TRST
GPIO15
GPIO16_FAN_A_PWM
BE2
GPIO16
BH1
GPIO17
GPIO18_IFPE_HPD_R
R517
GPIO18
BE3
10K_04
BK23
NVJTAG_SEL
GPIO19
BD4
BE5
GPIO20_FL_SYNC_GPU_FGC6
GPIO20
BA5
GPIO21_RASTER_SYNC0
GPIO21
R101
BB6
GPIO22
10K_04
BG3
GPIO23
BD5
GPIO24
BB2
GPIO25_FBVDD_PSI#
GND
GPIO25
GPIO26_FP_FUSE
BE7
GPIO26
GPIO27_IFPC_HPD_R
BA4
GPIO27
GPIO28_OC_WARN#
GPIO28
BB4
GND
BA3
GPIO29_IDLE_IN_SW
GPIO29
BB3
GPIO30
DG P.279
Note: GPIO can 3V3 input ,
and can not drive a 3V3 levelin push-pull mode.
1V8_AON
R173
10K_1%_04
R167
*300K_1%_04
GPIO6_NVVDD_PSI#_R
56
GPIO6_NVVDD_PSI#
R182
*10K_1%_04
B
Q22
R166
*BTN3904
0_04
GPIO6_NVVDD_PSI#
GPIO6_NVVDD_PSI#_R
R175
C600
R196
10K_1%_04
*0.1u_6.3V_X5R_04
0_04
GPIO25_FBVDD_PSI#
GPIO25_FBVDD_PSI#_R
NV
HDMI
HDMI
GPIO27_IFPC_HPD_R
R147
10K_04
1V8_AON
Q20
BTN3904
M-SOT23-CBE
B
R168
100K_04
HDMI_HPD
29,34
R161
100K_04
C460
220p_50V_NPO_04
C484
*220p_50V_NPO_04
1
2
3
4
5
MISC: GPIO, I2C, and ROM
1V8_AON
R550
10K_04
DP_E
GPIO18_IFPE_HPD_R
21
B
R536
100K_04
MDP_E_HPD
34,69
Q53
BTN3904
M-SOT23-CBE
NV3V3
1V8_RUN
R144
*10K_04
The GPU does not support multiple
I2CC_SCL
Q19A
masters on its I2C Buses.
MTDK3S6R
1
6
SMC_VGA_THERM
SMC_VGA_THERM
45,70
I2CC_SDA
4
Q19B
MTDK3S6R
33.2_1%_04
4
3
SMD_VGA_THERM
33.2_1%_04
SMD_VGA_THERM
45,70
master
1V8_AON
Raven modfiy 0726
R552
R545
10K_04
10K_04
GPIO0_NVVDD_PWM_VID
56
R554
0_04
GPIO1_GC6_FB_EN_R
24
D34
A
C
RB751V-40(lision)
GPU_EVENT#
34
GPIO4_1V8_MAIN_EN
24
The error was caused by PB50EF_D01_20180521A.DSN
0606 Biaggi
GPIO8_MEM_VDD_CTL
59
Raven modfiy 0726
GPIO10_FBVREF_SEL
12,14,17
GPU_PEX_RST#
Q55A
MTDK3S6R
GPIO9_THERM_ALERT#
1
6
The error was caused by PB50EF_D01_20180521A.DSN
0606 Biaggi
R571
0_04
R570
OVERT#
4
3
MTDK3S6R
GPIO28_OC_WARN#
72
Q55B
GPU_PEX_RST#
GPU_PEX_RST#
10,24
1V8_AON
R197
*10K_1%_04
R195
*300K_1%_04
GPIO25_FBVDD_PSI#_R
59
GPIO25_FBVDD_PSI#
R193
*10K_1%_04
B
Q23
*BTN3904
GPIO12_AC_DETECT_R
R194
C607
*0.1u_6.3V_X5R_04
*10K_1%_04
4,30,31,33,36,39,40,42,44,45,46,47,48,49,52,53,55,56,57,58,59,60,63,70,71,72
10,12,13,14,15,17,18,20,21,22,24,25,56,59,60,72
8,9,24,27,28,29,30,31,32,33,34,35,38,39,40,42,43,44,45,47,48,52,59,70,71
4
5
6
7
8
VBIOS ROM 1M
1V8_AON
(OPTIMUS)
1V8_AON
INS28107254
SO8
R548
U35
Zdiff=50Ω
SO8
COMMON
10K_04
7
8
HOLD
VCC
3
WP
VGA_ROM_CS#
IVGA_ROM_CS#_R
1
R547
33.2_1%_04
CS
L: 0Bx to Ax
C972
VGA_ROM_SI
R522
33.2_1%_04
IVGA_ROM_SI
5
SI
0.1u_6.3V_X5R_02
H: 1Bx to Ax
VGA_ROM_SO
R549
0_04
IVGA_ROM_SO_R
2
SO
VGA_ROM_SCLK
R521
33.2_1%_04
IVGA_ROM_SCLK
6
4
SCK
GND
MX25U8033EM1I-12G
NV3V3
R148
10K_04
R158
R159
10K_04
10K_04
Q21A
MTDK3S6R
1
6
I2CC_SCL_PP
24,56,59
Q21B
MTDK3S6R
3
I2CC_SDA_PP
24,56,59
1V8_AON
FP_FUSE_GPU
C996
C296
R556
2.2u_6.3V_X5R_04
2.2K_04
U36
2
4
VIN
VOUT
3
5
3.3VS
NC
VBIAS
GPIO26_FP_FUSE
6
1
C997
ON
GND
FA7609A6
0.1u_6.3V_X5R_02
R559
P/N = 6-15-76096-7E0
10K_04
1V8_AON
R133
10K_04
GPIO12_AC_DETECT_R
GPIO4_1V8_MAIN_EN
R543
10K_04
GPIO5_FRAME_LOCK#
R542
10K_04
GPIO9_THERM_ALERT#
R557
10K_04
R558
10K_04
OVERT#
R546
10K_04
GPIO16_FAN_A_PWM
C1182
*10u_6.3V_X5R_06
d_GPIO9_ALERT_FAN
45
*10K_04
VDD3
dGPU_GPIO8_OVERT
45
1V8_AON
R91
1.5K_1%_04
I2CB_SCL
R84
1.5K_1%_04
I2CB_SDA
1V8_RUN
DG P.261
use 2.2k pull-up
on both I2C_SDA/SCL
R139
1.5K_1%_04
I2CC_SCL
R135
1.5K_1%_04
I2CC_SDA
C125
*470p_50V_X7R_04
C134
*470p_50V_X7R_04
1V8_AON
U9
GPIO20_FL_SYNC_GPU_FGC6
R118
10K_04
SN74LV1T32DCKR
1
VBATT_BOOST#
45
4
GPIO29_IDLE_IN_SW
R145
10K_04
2
AC/BATL#
55
GPIO7_BL_PWM_GPU
R149
100K_04
GPIO10_ALT_MEM_VREF
R525
100K_04
GPIO11_PPEN
R541
100K_04
GPIO8_MEM_VDD_CTL
R119
*10K_04
GPIO21_RASTER_SYNC0
R121
100K_04
10,29,56,59,60,72
NV3V3
VDD3
Title
Title
Title
[23] Misc-GPIO_I2C_ROM
[23] Misc-GPIO_I2C_ROM
[23] Misc-GPIO_I2C_ROM
10,11,21,60
1V8_RUN
2,24,28,41,43,47,48,50,51,54,57,58,59,68,69
3.3V
1V8_AON
Size
Size
Size
Document Number
Document Number
Document Number
6-71-NH5D0-D02
6-71-NH5D0-D02
6-71-NH5D0-D02
3.3VS
Custom
Custom
Custom
SCHEMATIC1
SCHEMATIC1
SCHEMATIC1
Date:
Date:
Date:
Thursday, February 27, 2020
Thursday, February 27, 2020
Thursday, February 27, 2020
Sheet
Sheet
Sheet
23
23
23
of
of
of
6
7
8
A
25
B
C
D
Rev
Rev
Rev
D02
D02
D02
74
74
74
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