CMOS battery 57
fan, fan cage 61
front VGA assembly 66
LOM adapter 71
M.2 74
memory module, DIMM 79
PCIe
PCIe riser-card assembly 86
power interposer 116
power supply 93
processor and memory expansion tray, expansion tray air
baffle 109
security bezel 114
server cover 130
system board 120
replacementfront operator panel, operator panel tray
assembly 82
replacing
CPU 100
heat sink 100
microprocessor 100
PHM 100
processor 100
processor heat sink module 100
retainer on M.2 backplane
adjustment 74
S
safety iii
safety inspection checklist iv
SATA/SAS 55–56
Secure Boot 129
security advisories 8
security bezel
installing 115
removing 114
replacement 114
serial connector 17, 19
serial-device problems 156
server
buttons function 22
server power on or power off problems 154
server rear view 17
server, front view 9–10
service and support
before you call 159
hardware 161
software 161
service data 160
signal and power cables
connecting to internal drives 30
slot
LOM adapter 18
ML adapter, 1 GB 17
software 9
software problems 157
software service and support telephone numbers 161
solid state drive activity LED 9–10
solid state drive status LED 9–10
solid-state drive 55–56
solving
Ethernet controller problems 142
solving power problems 141
Specifications 1
static-sensitive devices
handling 53
support web page, custom 159
switch block, on the system board 22
switches
on the system board 22
switches, jumpers, and buttons
on the system board 22
system
error LED front 12
Identification LED, front 12
system-error LED
rear 17
System
information LED 12
system board
install 122
LEDs 23
remove 120
replacement 120
SW13 switch block description 22
switches, jumpers, and buttons 22
System board
LED 140
system board air baffle
install 118
remove 116
system board internal connectors 21
system reliability guidelines 52
system-identification
button
rear 19
LED
rear 17, 19
T
Taiwan BSMI RoHS declaration 166
Taiwan import and export contact information 167
TCM 127
TCM policy 127
tech tips 8
telecommunication regulatory statement 165
telephone numbers 161
top cover
install 131
remove 130
TPM 127
TPM 1.2 128
TPM 2.0 128
TPM policy 127
TPM version 128
trademarks 164
troubleshooting 149, 153, 156–157
by symptom 143
drive problems 143
fan problems 146
intermittent problems 146
keyboard problems 147
memory problems 148
mouse problems 147
network problems 151
observable problems 151
power on and power off problems 154
serial-device problems 156
symptoms-based troubleshooting 143
USB-device problems 147
video 149, 156
Trusted Cryptographic Module 127
Trusted Platform Module 127
U
UEFI Secure Boot 129
updating
DMI/SMBIOS 125
Universal Unique Identifier (UUID) 124
USB
connector 17, 19
USB-device problems 147
172 ThinkSystem SR850 Maintenance Manual
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