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1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
NVIDIA GPIO LEVEL SHIFT
GC6 2.1 Control Signals
1.1V8_MAIN_EN
2.GC6_FB_EN
3.GPU_EVENT#
4.GPU_PEX_RST_HOLD#
5.SYS_PEX_RST_MON#
GPU
1V8_MAIN_EN
GC6_FB_EN
VR Complex
1V8_AON
1V8_MAIN
NVVDD
PEX&1.05V
NVVDDS
EC/PCH
GPU_PWR_EN
GPU_EVENT#
GPU_RST#
PLATFORM_RST#
SYS_PEX_RST_MON#
GPU_PEX_RST_HOLD#
GPU_PEX_RST#
FBVDD/Q
FROM 8330B_RE
DP_E
GC6 2.1 - VR Complex
1. GPU_PWR_EN
2. 1V8_MAIN_EN
3. GC6_FB_EN
GPU
GPU_PWR_EN
(SYSTEM)
1V8_AON
1V8_AON
1V8_MAIN_EN 1V8_MAIN
PEX&1.05V
NVVDD
FBVDD/Q
EN
EN
EN
EN
EN
PGOOD
PGOOD PGOOD
PGOOD
GC6_FB_EN
PGOOD
DG P.93 note: t1(from 1V8_RUN_EN to PEX_VDD/NVVDD_PG) must NOT exceed 4ms.
N17E
FBVDDQ
POWER ON SEQUENCE POWER OFF SEQUENCE
GPPG8_PCH_1V8RUN_EN (GPP_G8) (1V8_MAIN)
GPPG9_PCH_NV3V3_EN (GPP_G9) (NV3V3)
GPPG10_PCH_NVVDD_EN (GPP_G10) (NVVDD)
GPPG11_PCH_NVVDDS_EN (GPP_G11) (NVVDDS)
GPPG0_PCH_PEXVDD_EN (GPP_G0) (PEX_VDD)
net PCH_GPIO Voltage
DGPU_PWR_EN (GPP_F23) (1V8_AON)
POWER RAIL
State in GC6
1V8_AON
1V8_MAIN
PEX&1.05V
NVVDD
ON
OFF
OFF
OFF
FBVDD/Q ON
NVVDDS OFF
9/13 Common Design
D02_12/19_H
1V8_AON
1V8_AON10,16,17,51,52,53
GPIO4_1V8_MAIN_EN 16,17GPIO4_1V8_MAIN_EN_R24
3.3VS8,9,20,21,22,23,24,26,27,28,29,32,34,36,37,38,39,40,41,42,47,51,52,53
MDP_E_HPD 21,28
IFPE_HPD_R#16
Title
Size Document Number R e v
Date: Sheet
of
6-71-N85J0-D01
D02B
[18] NVIDIA GPIO LEVEL SHIFT
A3
18 63Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size Document Number R e v
Date: Sheet
of
6-71-N85J0-D01
D02B
[18] NVIDIA GPIO LEVEL SHIFT
A3
18 63Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
Title
Size Document Number R e v
Date: Sheet
of
6-71-N85J0-D01
D02B
[18] NVIDIA GPIO LEVEL SHIFT
A3
18 63Friday, March 02, 2018
ᙔ!Ϻ!ႝ!တ!!DMFWP!DP/
SCHEMATIC1
R314
10K_04
Q5
MTN2002ZS3
G
DS
R77 1K_04
C281 220p_50V_NPO_04
R60 100K_04
R296 *0_04
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