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DGX H100
Nvidia DGX H100 Service Manual
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NVIDIA
DGX
H100
Ser
vice
Manual
4.6.
Lock
t
he
Mo
t
herboar
d
Lid
1.
Close
the
lid
so
that
you
can
lock
it
in
place:
2.
Use
the
thumb
scr
ew
s
indicated
in
the
follo
wing
gure
to
secure
the
lid
to
t
he
motherboar
d
tray
.
Open
the
tra
y
levers:
3.
P
ush
t
he
motherboar
d
t
r
ay
into
the
system
chassis
until
t
he
levers
on
both
sides
engage
with
the
sides.
4.7.
Inser
t
t
he
Mo
t
herboar
d
1.
Use
the
levers
to
engage
the
midplane
connectors:
24
Chapter
4.
Mot
herboard
T
ra
y
-
Opening
and
Closing
t
he
IO
door
29
31
Table of Contents
Table of Contents
3
Introduction
7
Customer-Replaceable Components
7
Recommended Tools
8
Customer Support
8
Running the Pre-Flight Test
9
Front Fan Module Replacement
11
Front Fan Module Replacement Overview
11
Identifying a Failed Fan Module
11
Replacing and Returning the Front Fan Module
15
Power Supply Replacement
17
Power Supply Replacement Overview
17
Identifying the Failed Power Supply
17
Preparing the Power Supply for Replacement
21
Replacing the Power Supply
22
Locking Power Cords
23
Motherboard Tray - Opening and Closing the IO Door
25
Preparing the Motherboard for Service
25
Release the Motherboard
26
Pull Motherboard from Chassis
27
Open the Motherboard IO Door
28
Close the Motherboard IO Door
29
Lock the Motherboard Lid
30
Insert the Motherboard
30
Finalize Motherboard Closing
32
Motherboard Tray - Removal and Installation
33
Preparing the Motherboard for Service
33
Release the Motherboard
34
Pull Motherboard from Chassis
35
Remove the Motherboard Tray Lid
36
Close the Motherboard Tray Lid
37
Insert the Motherboard Tray into the Chassis
38
Insert the Motherboard
40
Finalize Motherboard Closing
41
Nvme Cache Drive Replacement Overview
43
Identifying the Failed U.2 Nvme SSD
43
Identifying the Nvme Manufacturer and Model
44
Replacing the U.2 Nvme Drive
45
Insert the U.2 Nvme Drive
47
Next Steps
48
Nvme Cache Drive Post-Installation Tasks
49
Recreating the Cache RAID 0 Volume
49
Returning the Nvme Drive
50
Nvme Boot Drive Replacement Overview
51
Identify the Failed M.2 Nvme
52
Remove the M.2 Boot Drive Carrier
52
Remove the M.2 Drive
54
Replace the M.2 Drive
56
Install the M.2 Boot Drive Carrier and Close the System
57
Integrate the New Drive and Complete Installation
59
Boot Drive Assembly Replacement
61
Boot Drive Riser Assembly Replacement Overview
61
Preparing the System for Replacement
62
Remove the M.2 Boot Drive Carrier
62
Install the M.2 Boot Drive Carrier and Close the System
64
Re-Install the System and Complete the Procedure
66
DIMM Replacement
67
DIMM Replacement Overview
67
Identifying the Failed DIMM
68
Replacing the DIMM
68
Finalize DIMM Replacement
70
Network Interface Card Replacement
73
Network Card Replacement Overview
73
Prepare the System for Replacement
73
Remove the Non-Functional Card
74
Install the New Card and Close the Lock
75
Finalize the Network Interface Card Replacement
77
Updating the Connectx-7 Firmware
79
Connectx-7 I/O Replacement
81
Connectx-7 I/O Card Replacement Overview
81
Prepare the System for Replacement
82
Remove the I/O Card above the Connectx Card to be Replaced
82
Remove the Connectx Card
82
Remove an IPEX Cable
83
Insert an IPEX Cable
84
Install Connectx Card
85
Install the I/O Card above the Connectx Card
86
Power on the System and Confirm the Replacement
86
Front Console Board Replacement Overview
87
Motherboard Tray Battery Replacement
91
Motherboard Tray Battery Replacement Overview
91
Identify a Failed Battery
92
Prepare the System for Replacement
92
Remove the PCI Ethernet Card
92
Remove the Connectx Card
94
Remove an IPEX Cable
95
Replace the Battery
96
Insert an IPEX Cable
97
Install Connectx Card
98
Install the PCI Ethernet Card
99
Power on the System and Confirm Replacement
101
Trusted Platform Module Replacement
103
Trusted Platform Module Replacement Overview
103
Prepare the System for Replacement
104
Replace the TPM Module
104
Install OSFP Carrier Module
106
Finalize TPM Replacement
107
Removing and Attaching the Bezel
109
Bezel Removal
109
Bezel Installation
110
Rack Mount Kit Replacement
113
Rack Mount Kit Description
113
Remove Rack Mount Kit - Front Rack
114
Remove Rack Mount Kit - Rear
115
Confirm Necessary Screws and Washers
117
Install Cage Nuts Using Template
118
Install Rack Mount Kit - Front
120
Install Rack Mount Kit - Rear
121
Safety
123
Safety Information
123
Safety Warnings and Cautions
123
Intended Application Uses
124
Site Selection
124
Equipment Handling Practices
125
Electrical Precautions
125
Power and Electrical Warnings
125
Power Cord Warnings
126
System Access Warnings
126
Rack Mount Warnings
127
Electrostatic Discharge
128
Other Hazards
128
California Department of Toxic Substances Control
128
Nickel
128
Battery Replacement
128
Cooling and Airflow
129
Compliance
131
United States
131
United States/Canada
131
Canada
132
Australia and New Zealand
133
Brazil
133
Japan
133
South Korea
135
China
136
Taiwan
138
Russia/Kazakhstan/Belarus
139
Israel
140
India
140
South Africa
141
Great Britain (England, Wales, and Scotland)
141
Third-Party License Notices
143
Micron Msecli
143
Mellanox (OFED)
144
Notices
145
Notice
145
Trademarks
146
Copyright
146
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Nvidia DGX H100 Specifications
General
Brand
Nvidia
Model
DGX H100
Category
Computer Hardware
Language
English
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