Fujitsu PRIMERGY RX2540 M4 User manual

Upgrade and Maintenance Manual - English
FUJITSU Server PRIMERGY RX2540 M4
Upgrade and Maintenance Manual
December 2018

Copyright and Trademarks
Comments…Suggestions…Corrections…
The User Documentation Department would like to
know your opinion of this manual. Your feedback helps
us optimize our documentation to suit your individual
needs.
Feel free to send us your comments by e-mail to
[email protected].
Documentation creation according
to DIN EN ISO 9001:2015
To ensure a consistently high quality standard and
user-friendliness, this documentation was created to
meet the regulations of a quality management system
which complies with the requirements of the standard
DIN EN ISO 9001:2015.
cognitas. Gesellschaft für Technik-Dokumentation mbH
www.cognitas.de
Copyright 2018 FUJITSU LIMITED
All rights reserved.
Delivery subject to availability; right of technical modifications reserved.
All hardware and software names used are trademarks of their respective manufacturers.
– The contents of this manual may be revised without prior notice.
– Fujitsu assumes no liability for damages to third party copyrights or other
rights arising from the use of any information in this manual.
– No part of this manual may be reproduced in any form without the prior written
permission of Fujitsu.
Microsoft, Windows, Windows Server, and Hyper-V are trademarks or registered trademarks of
Microsoft Corporation in the USA and other countries.
Intel and Xeon are trademarks or registered trademarks of Intel Corporation or its subsidiaries
in the USA and other countries.

RX2540 M4 Upgrade and Maintenance Manual
Before reading this manual
For your safety
This manual contains important information for safely and correctly using this
product.
Carefully read the manual before using this product. Pay particular attention to
the accompanying manual "Safety Notes and Regulations" and ensure that
these safety notes are understood before using the product. Keep this manual
and the "Safety Notes and Regulations" manual in a safe place for easy
reference while using this product.
Radio interference
This product is a "Class A" ITE (Information Technology Equipment). In a
domestic environment this product may cause radio interference, in which case
the user may be required to take appropriate measures. VCCI-A
Aluminum electrolytic capacitors
The aluminum electrolytic capacitors used in the printed circuit board
assemblies of the product and in the mouse and keyboard are limited-life
components. Use of these components beyond their operating life may result in
electrolyte leakage or depletion, potentially causing emission of foul odor or
smoke.
As a guideline, in a normal office environment (25°C) operating life is not
expected to be reached within the maintenance support period (5 years).
However, operating life may be reached more quickly if, for example, the
product is used in a hot environment. The customer shall bear the cost of
replacing replaceable components which have exceeded their operating life.
Note that these are only guidelines, and do not constitute a guarantee of
trouble-free operation during the maintenance support period.
High safety use
This product has been designed and manufactured to be used in commercial
and/or industrial areas as a server.
When used as visual display workplace, it must not be placed in the direct field
of view to avoid incommoding reflections (applies only to TX server systems).

Upgrade and Maintenance Manual RX2540 M4
The device has not been designed or manufactured for uses which demand an
extremely high level of safety and carry a direct and serious risk of life or body
if such safety cannot be assured.
These uses include control of nuclear reactions in nuclear power plants,
automatic airplane flight control, air traffic control, traffic control in mass
transport systems, medical devices for life support, and missile guidance
control in weapons systems (hereafter, "high safety use"). Customers should
not use this product for high safety use unless measures are in place for
ensuring the level of safety demanded of such use. Please consult the sales
staff of Fujitsu if intending to use this product for high safety use.
Measures against momentary voltage drop
This product may be affected by a momentary voltage drop in the power supply
caused by lightning. To prevent a momentary voltage drop, the use of an
uninterruptible power supply is recommended.
(This notice follows the guidelines of Voltage Dip Immunity of Personal
Computer issued by JEITA, the Japan Electronics and Information Technology
Industries Association.)
Technology controlled by the Foreign Exchange and Foreign Trade
Control Law of Japan
Documents produced by Fujitsu may contain technology controlled by the
Foreign Exchange and Foreign Trade Control Law of Japan. Documents which
contain such technology should not be exported from Japan or transferred to
non-residents of Japan without first obtaining authorization in accordance with
the above law.
Harmonic Current Standards
This product conforms to harmonic current standard JIS C 61000-3-2.

RX2540 M4 Upgrade and Maintenance Manual
Only for Japan:
About SATA HDDs
The SATA version of this server supports HDDs with SATA/BC-SATA storage
interfaces. Please note that the usage and operation conditions differ
depending on the type of HDD used.
For more information on the usage and operation conditions of each available
type of HDD, see the following internet address:
http://jp.fujitsu.com/platform/server/primergy/harddisk/
Only for Japan:
Shielded LAN cables should be used in this product.

Upgrade and Maintenance Manual RX2540 M4
Version history
Issue number Reason for update
1.0 / May 2017 Initial release
2.0 / July 2017 New hardware for the GA version inserted
3.0 / March 2018 Variant 2 of DC PSU added, new PCIe backplane
front and rear, upgrading up to 24x 2.5-inch
HDD/SSD modules, EP5x0i, Retimer, memory, Dual
microSD 64GB Enterprise, new chapter "Liquid
cooling (LC)"
4.0 / December 2018 new element definition, LC chapter, memory chapter,
expansion card chapter, EEE mode inserted,
changes to unify the documents, OCP description

RX2540 M4 Upgrade and Maintenance Manual
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
1.1 Notational conventions . . . . . . . . . . . . . . . . . . . . 30
2 Before you start . . . . . . . . . . . . . . . . . . . . . . . . 31
2.1 Classification of procedures . . . . . . . . . . . . . . . . . 33
2.1.1 Customer Replaceable Units (CRU) . . . . . . . . . . . . . . . 33
2.1.2 Upgrade and Repair Units (URU) . . . . . . . . . . . . . . . . 34
2.1.3 Field Replaceable Units (FRU) . . . . . . . . . . . . . . . . . 35
2.2 Average task duration . . . . . . . . . . . . . . . . . . . . . 36
2.3 Tools you need at hand . . . . . . . . . . . . . . . . . . . . 37
2.4 Documentation overview . . . . . . . . . . . . . . . . . . . 37
3 Important information . . . . . . . . . . . . . . . . . . . . . 41
3.1 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . 41
3.2 CE conformity . . . . . . . . . . . . . . . . . . . . . . . . . 49
3.3 FCC Class A Compliance Statement . . . . . . . . . . . . . 50
3.4 Environmental protection . . . . . . . . . . . . . . . . . . . 51
4 Basic hardware procedures . . . . . . . . . . . . . . . . . . 53
4.1 Using diagnostics information . . . . . . . . . . . . . . . . 53
4.1.1 Locating the defective server . . . . . . . . . . . . . . . . . . 53
4.1.2 Determining the error class . . . . . . . . . . . . . . . . . . . 54
4.1.3 Locating the defective component . . . . . . . . . . . . . . . . 54
4.2 Shutting down the server . . . . . . . . . . . . . . . . . . . 55
4.3 Disconnecting the power cord . . . . . . . . . . . . . . . . 56
4.3.1 Disconnecting the power cord (AC PSU) . . . . . . . . . . . . 56
4.3.2 Disconnecting the power cord (DC PSU) . . . . . . . . . . . . 57

Upgrade and Maintenance Manual RX2540 M4
Contents
4.4 Getting access to the component . . . . . . . . . . . . . . . 58
4.4.1 Extending the server out of the rack . . . . . . . . . . . . . . . 59
4.4.2 Removing the server from the rack . . . . . . . . . . . . . . . . 60
4.4.3 Removing the top cover . . . . . . . . . . . . . . . . . . . . . . 62
4.5 Reassembling . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4.5.1 Installing the top cover . . . . . . . . . . . . . . . . . . . . . . 63
4.5.2 Installing the server in the rack . . . . . . . . . . . . . . . . . . 64
4.5.3 Sliding the server into the rack . . . . . . . . . . . . . . . . . . 66
4.6 Connecting the power cord . . . . . . . . . . . . . . . . . . . 67
4.6.1 Connecting the power cord (AC PSU) . . . . . . . . . . . . . . 67
4.6.2 Connecting the power cord (DC PSU) . . . . . . . . . . . . . . 68
4.7 Switching on the server . . . . . . . . . . . . . . . . . . . . . 70
4.8 Handling riser modules . . . . . . . . . . . . . . . . . . . . . 71
4.8.1 Riser cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4.8.1.1 Removing the riser card . . . . . . . . . . . . . . . . . . . . 72
4.8.1.2 Installing the riser card . . . . . . . . . . . . . . . . . . . . 73
4.8.2 Riser modules for expansion cards (HL) . . . . . . . . . . . . . 74
4.8.2.1 Removing the riser module 1 (HL) . . . . . . . . . . . . . . 74
4.8.2.2 Installing the riser module 1 (HL) . . . . . . . . . . . . . . . 75
4.8.2.3 Removing the riser module 2 (HL) . . . . . . . . . . . . . . 78
4.8.2.4 Installing the riser module 2 (HL) . . . . . . . . . . . . . . . 79
4.8.3 Riser modules for GPGPU cards (FL) . . . . . . . . . . . . . . 82
4.8.3.1 Removing the riser module 1 (FL) . . . . . . . . . . . . . . . 82
4.8.3.2 Installing the riser module 1 (FL) . . . . . . . . . . . . . . . 83
4.8.3.3 Removing the riser module 2 (FL) . . . . . . . . . . . . . . . 85
4.8.3.4 Installing the riser module 2 (FL) . . . . . . . . . . . . . . . 86
4.9 Handling air ducts . . . . . . . . . . . . . . . . . . . . . . . . 88
4.9.1 Removing the air duct . . . . . . . . . . . . . . . . . . . . . . . 88
4.9.2 Installing the air duct . . . . . . . . . . . . . . . . . . . . . . . 89
5 Basic software procedures . . . . . . . . . . . . . . . . . . . 91
5.1 Starting the maintenance task . . . . . . . . . . . . . . . . . 91
5.1.1 Suspending BitLocker functionality . . . . . . . . . . . . . . . . 91
5.1.2 Disabling the boot watchdog . . . . . . . . . . . . . . . . . . . 92
5.1.3 Removing backup and optical disk media . . . . . . . . . . . . 94
5.1.4 Verifying and configuring the backup software solution . . . . . . 94
5.1.5 Switching on the ID indicator . . . . . . . . . . . . . . . . . . . 95

RX2540 M4 Upgrade and Maintenance Manual
Contents
5.2 Completing the maintenance task . . . . . . . . . . . . . . . 96
5.2.1 Updating or recovering the BIOS and iRMC S5 . . . . . . . . . 96
5.2.1.1 Updating or recovering the BIOS . . . . . . . . . . . . . . 96
5.2.1.2 Updating or recovering the iRMC . . . . . . . . . . . . . . 97
5.2.2 Verifying system information backup/restore . . . . . . . . . . 99
5.2.3 Updating expansion card firmware . . . . . . . . . . . . . . . 100
5.2.4 Enabling Option ROM scan . . . . . . . . . . . . . . . . . . . 101
5.2.5 Reconfiguring the backup software solution . . . . . . . . . . . 102
5.2.6 Resetting the boot retry counter . . . . . . . . . . . . . . . . . 102
5.2.6.1 Viewing the boot retry counter . . . . . . . . . . . . . . . . 102
5.2.6.2 Resetting the boot retry counter . . . . . . . . . . . . . . . 103
5.2.7 Resetting the error status after replacing memory modules
or CPUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
5.2.7.1 Memory modules . . . . . . . . . . . . . . . . . . . . . . . 104
5.2.7.2 CPUs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
5.2.8 Enabling the boot watchdog . . . . . . . . . . . . . . . . . . . 107
5.2.9 Enabling replaced components in the BIOS . . . . . . . . . . . 108
5.2.10 Verifying the memory mode . . . . . . . . . . . . . . . . . . . 108
5.2.11 Verifying the system time settings . . . . . . . . . . . . . . . . 109
5.2.12 Viewing and clearing the System Event Log (SEL) . . . . . . . 110
5.2.12.1 Viewing the SEL . . . . . . . . . . . . . . . . . . . . . . . 110
5.2.12.2 Clearing the SEL . . . . . . . . . . . . . . . . . . . . . . . 111
5.2.13 Updating the NIC configuration file in a Linux and VMware
environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
5.2.14 Resuming BitLocker functionality . . . . . . . . . . . . . . . . 112
5.2.15 Performing a RAID array rebuild . . . . . . . . . . . . . . . . . 113
5.2.16 Looking for MAC/WWN/GUID and SAS addresses . . . . . . . 115
5.2.16.1 Looking for the MAC address of a LAN controller . . . . . . 115
5.2.16.2 Looking for the WWN address of a fibre channel controller . 116
5.2.16.3 Looking for the GUID address of an infiniband or Omni-Path
controller . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
5.2.16.4 Looking for SAS addresses of SAS controllers for external
devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
5.2.17 Using the Chassis ID Prom Tool . . . . . . . . . . . . . . . . . 118
5.2.18 Configuring LAN teaming . . . . . . . . . . . . . . . . . . . . 119
5.2.18.1 After replacing/upgrading LAN controllers . . . . . . . . . . 119
5.2.18.2 After replacing a system board . . . . . . . . . . . . . . . . 119
5.2.19 Switching off the ID indicator . . . . . . . . . . . . . . . . . . 120
5.2.20 Performing a fan test . . . . . . . . . . . . . . . . . . . . . . 121

Upgrade and Maintenance Manual RX2540 M4
Contents
6 Power supply unit (PSU) . . . . . . . . . . . . . . . . . . . 123
6.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 124
6.1.1 PSU configurations . . . . . . . . . . . . . . . . . . . . . . . 125
6.1.2 Assembly rules . . . . . . . . . . . . . . . . . . . . . . . . . 126
6.2 Redundant power supply . . . . . . . . . . . . . . . . . . . 127
6.2.1 Installing a hot-plug PSU . . . . . . . . . . . . . . . . . . . . 127
6.2.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 127
6.2.1.2 Removing the dummy cover . . . . . . . . . . . . . . . . 128
6.2.1.3 Installing a hot-plug PSU . . . . . . . . . . . . . . . . . . 128
6.2.1.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 130
6.2.2 Removing a hot-plug PSU . . . . . . . . . . . . . . . . . . . 130
6.2.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 132
6.2.2.2 Removing a hot-plug PSU . . . . . . . . . . . . . . . . . . 132
6.2.2.3 Installing the PSU dummy cover . . . . . . . . . . . . . . 133
6.2.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 133
6.2.3 Replacing a hot-plug PSU . . . . . . . . . . . . . . . . . . . 133
6.2.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 134
6.2.3.2 Removing the defective hot-plug PSU . . . . . . . . . . . 135
6.2.3.3 Installing the new hot-plug PSU . . . . . . . . . . . . . . . 135
6.2.3.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 135
7 Hard disk drives (HDD) and solid state drives (SSD) . . . . 137
7.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 138
7.2 Handling HDDs or SSDs without installation frame . . . . . 139
7.2.1 2.5-inch HDD/SSD and 2.5-inch installation frame . . . . . . . 139
7.2.2 2.5-inch HDD/SSD and 3.5-inch installation frame . . . . . . . 141
7.2.3 3.5-inch HDD and 3.5-inch installation frame . . . . . . . . . . 143
7.3 3.5-inch HDD configurations . . . . . . . . . . . . . . . . . 145
7.3.1 Equipping the 3.5-inch HDD bays . . . . . . . . . . . . . . . 145
7.3.2 Configuration with up to four HDD modules . . . . . . . . . . 145
7.3.3 Configuration with up to eight HDD modules . . . . . . . . . . 146
7.3.4 Configuration with up to 12 HDD modules . . . . . . . . . . . 147
7.3.5 Installing 3.5-inch HDD modules . . . . . . . . . . . . . . . . 148
7.3.5.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 148
7.3.5.2 Removing a 3.5-inch dummy module . . . . . . . . . . . . 148
7.3.5.3 Installing a 3.5-inch HDD module . . . . . . . . . . . . . . 149
7.3.5.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 150
7.3.6 Removing 3.5-inch HDD modules . . . . . . . . . . . . . . . 151

RX2540 M4 Upgrade and Maintenance Manual
Contents
7.3.6.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 151
7.3.6.2 Removing a 3.5-inch HDD module . . . . . . . . . . . . . . 152
7.3.6.3 Installing a 3.5-inch dummy module . . . . . . . . . . . . . 152
7.3.6.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 152
7.3.7 Replacing a 3.5-inch HDD module . . . . . . . . . . . . . . . 153
7.3.7.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 154
7.3.7.2 Removing the defective 3.5-inch HDD module . . . . . . . 154
7.3.7.3 Installing the new 3.5-inch HDD module . . . . . . . . . . . 154
7.3.7.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 154
7.3.8 Replacing the 3.5-inch HDD backplanes . . . . . . . . . . . . 154
7.3.8.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 154
7.3.8.2 Disconnecting the first 3.5-inch HDD backplane . . . . . . . 155
7.3.8.3 Removing the 3.5-inch HDD backplane . . . . . . . . . . . 156
7.3.8.4 Installing the 3.5-inch HDD backplane . . . . . . . . . . . . 157
7.3.8.5 Connecting the 3.5-inch HDD backplane . . . . . . . . . . 158
7.3.8.6 Connecting the SAS cable (one 3.5-inch HDD backplane) . 159
7.3.8.7 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 160
7.3.9 Upgrading configuration from up to four to up to
eight 3.5-inch HDDs . . . . . . . . . . . . . . . . . . . . . . . 161
7.3.9.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 161
7.3.9.2 Installing the second 3.5-inch HDD backplane . . . . . . . . 161
7.3.9.3 Connecting the SAS cables (two 3.5-inch HDD backplanes) 162
7.3.9.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 163
7.3.10 Replacing the 12x 3.5-inch HDD backplane . . . . . . . . . . . 164
7.3.10.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 164
7.3.10.2 Removing the SAS expander board . . . . . . . . . . . . . 165
7.3.10.3 Removing the defective 12x 3.5-inch HDD backplane . . . . 166
7.3.10.4 Installing the new 12x 3.5-inch HDD backplane . . . . . . . 167
7.3.10.5 Installing the SAS expander board . . . . . . . . . . . . . . 169
7.3.10.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 170
7.3.11 Replacing the SAS expander board . . . . . . . . . . . . . . . 171
7.3.11.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 171
7.3.11.2 Removing the SAS expander board holder . . . . . . . . . 171
7.3.11.3 Removing the defective SAS expander board . . . . . . . . 171
7.3.11.4 Installing the new SAS expander board . . . . . . . . . . . 173
7.3.11.5 Installing the SAS expander board . . . . . . . . . . . . . . 174
7.3.11.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 174
7.3.12 Replacing the connector card . . . . . . . . . . . . . . . . . . 175
7.3.12.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 175
7.3.12.2 Removing the SAS expander board . . . . . . . . . . . . . 175
7.3.12.3 Removing the defective connector card . . . . . . . . . . . 176

Upgrade and Maintenance Manual RX2540 M4
Contents
7.3.12.4 Installing the new connector card . . . . . . . . . . . . . . 176
7.3.12.5 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 177
7.4 2.5-inch HDD/SSD configurations . . . . . . . . . . . . . . 177
7.4.1 Configuration with up to eight HDD/SSD modules . . . . . . . 177
7.4.2 Configuration with up to 16 HDD/SSD modules . . . . . . . . 178
7.4.3 Configuration with up to 24 HDD/SSD modules . . . . . . . . 179
7.4.4 Configuration with additional PCIe-SSDs . . . . . . . . . . . . 180
7.4.5 Configuration with 4x 2.5-inch SAS HDD/SSDs or PCIe SSDs
accessible from the rear side . . . . . . . . . . . . . . . . . . 181
7.4.6 Installing 2.5-inch HDD/SSD modules . . . . . . . . . . . . . 182
7.4.6.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 182
7.4.6.2 Removing a 2.5-inch dummy module . . . . . . . . . . . . 182
7.4.6.3 Installing a 2.5-inch HDD/SSD module . . . . . . . . . . . 183
7.4.6.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 184
7.4.7 Removing 2.5-inch HDD/SSD modules . . . . . . . . . . . . . 185
7.4.7.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 185
7.4.7.2 Removing a 2.5-inch HDD/SSD module . . . . . . . . . . 186
7.4.7.3 Installing a 2.5-inch dummy module . . . . . . . . . . . . . 186
7.4.7.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 186
7.4.8 Replacing a 2.5-inch HDD/SSD module . . . . . . . . . . . . 187
7.4.8.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 188
7.4.8.2 Removing a 2.5-inch HDD/SSD module . . . . . . . . . . 188
7.4.8.3 Installing a 2.5-inch HDD/SSD module . . . . . . . . . . . 188
7.4.8.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 188
7.4.9 Replacing a 8 x 2.5-inch HDD backplane . . . . . . . . . . . . 189
7.4.9.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 189
7.4.9.2 Disconnecting the HDD backplane . . . . . . . . . . . . . 189
7.4.9.3 Removing the HDD backplane . . . . . . . . . . . . . . . 191
7.4.9.4 Installing the HDD backplane . . . . . . . . . . . . . . . . 191
7.4.9.5 Connecting the HDD backplane . . . . . . . . . . . . . . . 192
7.4.9.6 Connecting the SAS cables (one 2.5-inch HDD backplane) 193
7.4.9.7 Connecting the SAS cables (two 2.5-inch HDD backplanes) 195
7.4.9.8 Connecting the SAS cables (three 2.5-inch HDD
backplanes) . . . . . . . . . . . . . . . . . . . . . . . . . 197
7.4.9.9 Connecting the cables to the SAS expander board . . . . . 198
7.4.9.10 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 198
7.4.10 Upgrading up to 24x 2.5-inch HDD/SSD modules . . . . . . . 199
7.4.10.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 199
7.4.10.2 Removing the front panel cage . . . . . . . . . . . . . . . 199
7.4.10.3 Installing the front panel on QRL . . . . . . . . . . . . . . 199
7.4.10.4 Installing the ID card holder . . . . . . . . . . . . . . . . . 199

RX2540 M4 Upgrade and Maintenance Manual
Contents
7.4.10.5 Installing the second/third SAS backplane . . . . . . . . . . 200
7.4.10.6 Installing additional HDD/SSD modules . . . . . . . . . . . 200
7.4.10.7 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 200
7.4.11 Replacing the SAS expander board . . . . . . . . . . . . . . . 201
7.4.11.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 201
7.4.11.2 Removing the SAS expander board holder . . . . . . . . . 201
7.4.11.3 Removing the defective SAS expander board . . . . . . . . 202
7.4.11.4 Installing the new SAS expander board . . . . . . . . . . . 202
7.4.11.5 Installing the SAS expander board holder . . . . . . . . . . 203
7.4.11.6 Connecting the SAS expander board . . . . . . . . . . . . 204
7.4.11.7 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 205
7.4.12 Upgrading the 4x 2.5-inch PCIe SSD backplane (front side) . . 206
7.4.12.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 206
7.4.12.2 Installing a 4x 2.5-inch PCIe SSD backplane . . . . . . . . 207
7.4.12.3 Connecting a 4x 2.5-inch PCIe SSD backplane . . . . . . . 207
7.4.12.4 Installing the controller . . . . . . . . . . . . . . . . . . . . 208
7.4.12.5 Installing additional PCIe SSD modules . . . . . . . . . . . 208
7.4.12.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 209
7.5 Rear HDD/SSD or PCIe SSD extension box . . . . . . . . . 209
7.5.1 Replacing the backplane of the extension box . . . . . . . . . 209
7.5.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 209
7.5.1.2 Types of rear backplanes . . . . . . . . . . . . . . . . . . 210
7.5.1.3 Disconnecting cables from the rear backplane . . . . . . . 211
7.5.1.4 Removing the rear backplane . . . . . . . . . . . . . . . . 211
7.5.1.5 Installing the rear backplane . . . . . . . . . . . . . . . . . 213
7.5.1.6 Connecting cables to the rear backplane . . . . . . . . . . 214
7.5.1.7 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 215
7.5.2 Upgrading a rear extension box . . . . . . . . . . . . . . . . . 216
7.5.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 216
7.5.2.2 Removing the rear air grid (left hand) . . . . . . . . . . . . 217
7.5.2.3 Installing the rear HDD cage . . . . . . . . . . . . . . . . . 218
7.5.2.4 Installing the rear backplane . . . . . . . . . . . . . . . . . 220
7.5.2.5 Installing the controller . . . . . . . . . . . . . . . . . . . . 220
7.5.2.6 Connecting cables to the rear extension box . . . . . . . . 220
7.5.2.7 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 222
7.5.3 Removing the rear extension box . . . . . . . . . . . . . . . . 222
7.5.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 222
7.5.3.2 Disconnecting cables from the rear backplane . . . . . . . 223
7.5.3.3 Removing the rear HDD cage . . . . . . . . . . . . . . . . 224
7.5.3.4 Installing the rear air grid (left hand) . . . . . . . . . . . . . 227
7.5.3.5 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 227

Upgrade and Maintenance Manual RX2540 M4
Contents
8 Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
8.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 229
8.1.1 Numbering of the fan modules . . . . . . . . . . . . . . . . . 230
8.2 Replacing a fan module . . . . . . . . . . . . . . . . . . . . 231
8.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 231
8.2.2 Removing the fan module . . . . . . . . . . . . . . . . . . . . 231
8.2.3 Installing the fan module . . . . . . . . . . . . . . . . . . . . 232
8.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 232
8.3 Replacing the fan holder . . . . . . . . . . . . . . . . . . . 233
8.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 233
8.3.2 Removing the fan holder . . . . . . . . . . . . . . . . . . . . 233
8.3.3 Installing the fan holder . . . . . . . . . . . . . . . . . . . . . 234
8.3.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 234
9 Expansion cards and backup units . . . . . . . . . . . . . 235
9.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 236
9.1.1 Riser modules . . . . . . . . . . . . . . . . . . . . . . . . . . 238
9.1.1.1 Population rules . . . . . . . . . . . . . . . . . . . . . . . 238
9.2 Handling slot brackets . . . . . . . . . . . . . . . . . . . . 239
9.2.1 Installing a slot bracket . . . . . . . . . . . . . . . . . . . . . 239
9.2.2 Removing a slot bracket . . . . . . . . . . . . . . . . . . . . 240
9.3 Handling SFP+ transceiver modules . . . . . . . . . . . . . 241
9.3.1 Installing SFP+ transceiver modules . . . . . . . . . . . . . . 241
9.3.2 Removing an SFP+ transceiver module . . . . . . . . . . . . 244
9.4 OCP (Open Compute Project) modules . . . . . . . . . . . 247
9.4.1 Installing an OCP module . . . . . . . . . . . . . . . . . . . . 248
9.4.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 248
9.4.1.2 Removing the dummy cover . . . . . . . . . . . . . . . . 248
9.4.1.3 Installing the OCP module . . . . . . . . . . . . . . . . . 249
9.4.1.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 249
9.4.2 Removing the OCP module . . . . . . . . . . . . . . . . . . . 250
9.4.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 250
9.4.2.2 Removing the OCP module . . . . . . . . . . . . . . . . . 250
9.4.2.3 Installing the dummy cover . . . . . . . . . . . . . . . . . 251
9.4.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 251
9.4.3 Replacing the OCP module . . . . . . . . . . . . . . . . . . . 251
9.4.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 252

RX2540 M4 Upgrade and Maintenance Manual
Contents
9.4.3.2 Removing the defective OCP module . . . . . . . . . . . . 252
9.4.3.3 Installing the new OCP module . . . . . . . . . . . . . . . 252
9.4.3.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 252
9.4.3.5 Software configuration . . . . . . . . . . . . . . . . . . . . 253
9.5 Expansion cards in standard slots . . . . . . . . . . . . . . 253
9.5.1 Installing an expansion card . . . . . . . . . . . . . . . . . . . 253
9.5.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 253
9.5.1.2 Removing the slot cover . . . . . . . . . . . . . . . . . . . 254
9.5.1.3 Installing an expansion card . . . . . . . . . . . . . . . . . 254
9.5.1.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 262
9.5.2 Removing an expansion card . . . . . . . . . . . . . . . . . . 263
9.5.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 263
9.5.2.2 Removing an expansion card . . . . . . . . . . . . . . . . 263
9.5.2.3 Installing a PCI slot cover . . . . . . . . . . . . . . . . . . 264
9.5.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 265
9.5.3 Replacing an expansion card . . . . . . . . . . . . . . . . . . 265
9.5.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 266
9.5.3.2 Removing an expansion card . . . . . . . . . . . . . . . . 266
9.5.3.3 Installing an expansion card . . . . . . . . . . . . . . . . . 266
9.5.3.4 Connecting cables to the expansion card . . . . . . . . . . 267
9.5.3.5 Connecting a FBU to the expansion card . . . . . . . . . . 267
9.5.3.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 267
9.6 Handling slot covers on the riser card holder . . . . . . . . 268
9.6.1 Installing the slot cover . . . . . . . . . . . . . . . . . . . . . 268
9.6.2 Removing the slot cover . . . . . . . . . . . . . . . . . . . . . 269
9.7 Handling slot covers for the riser modules . . . . . . . . . . 270
9.7.1 Handling slot covers for the riser module 1 . . . . . . . . . . . 270
9.7.1.1 Installing the slot cover for the riser module 1 . . . . . . . . 270
9.7.1.2 Removing the slot cover for the riser module 1 . . . . . . . 271
9.7.2 Handling slot covers for the riser module 2 . . . . . . . . . . . 272
9.7.2.1 Installing the slot cover for the riser module 2 . . . . . . . . 272
9.7.2.2 Removing the slot cover for the riser module 2 . . . . . . . 272
9.8 Handling the rear air grids for riser modules . . . . . . . . . 273
9.8.1 Handling the rear air grids for the riser module 1 . . . . . . . . 273
9.8.1.1 Installing the rear air grid riser module 1 . . . . . . . . . . . 273
9.8.1.2 Removing the rear air grid riser module 1 . . . . . . . . . . 274
9.8.2 Handling the rear air grids for the riser module 2 . . . . . . . . 275
9.8.2.1 Installing the air grid extension to riser module 2 . . . . . . 275
9.8.2.2 Removing the air grid extension from riser module 2 . . . . 277

Upgrade and Maintenance Manual RX2540 M4
Contents
9.8.2.3 Installing the rear air grid riser module 2 . . . . . . . . . . 279
9.8.2.4 Removing the rear air grid riser module 2 . . . . . . . . . . 279
9.9 Expansion cards in riser modules (HL) . . . . . . . . . . . 280
9.9.1 Installing an expansion card in riser module 1 . . . . . . . . . 280
9.9.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 280
9.9.1.2 Installing an expansion card in a riser module . . . . . . . 281
9.9.1.3 Remove the slot cover for the riser module 1 . . . . . . . . 281
9.9.1.4 Remove the rear air grid riser module 1 . . . . . . . . . . . 281
9.9.1.5 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 282
9.9.2 Removing an expansion card from riser module 1 . . . . . . . 282
9.9.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 282
9.9.2.2 Removing an expansion card from a riser module . . . . . 283
9.9.2.3 Installing the slot cover in the riser card holder . . . . . . . 283
9.9.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 283
9.9.3 Installing an expansion card in riser module 2 . . . . . . . . . 284
9.9.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 284
9.9.3.2 Installing an expansion card in a riser module 2 . . . . . . 284
9.9.3.3 Installing the air grid extension to the riser module 2 . . . . 284
9.9.3.4 Remove the slot cover for the riser module 2 . . . . . . . . 284
9.9.3.5 Remove the rear air grid riser module 2 . . . . . . . . . . . 285
9.9.3.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 285
9.9.4 Removing an expansion card from riser module 2 . . . . . . . 285
9.9.4.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 285
9.9.4.2 Removing the expansion card . . . . . . . . . . . . . . . . 286
9.9.4.3 Installing the slot cover in the riser card holder . . . . . . . 286
9.9.4.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 286
9.9.5 Replacing expansion cards in riser modules . . . . . . . . . . 286
9.9.5.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 287
9.9.5.2 Removing the defective expansion card . . . . . . . . . . 287
9.9.5.3 Installing the new expansion card . . . . . . . . . . . . . . 288
9.9.5.4 Connecting cables to the expansion card . . . . . . . . . . 288
9.9.5.5 Connecting a FBU to the expansion card . . . . . . . . . . 288
9.9.5.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 288
9.9.6 Replacing a riser card . . . . . . . . . . . . . . . . . . . . . . 289
9.9.6.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 289
9.9.6.2 Removing the riser card . . . . . . . . . . . . . . . . . . . 289
9.9.6.3 Installing the new riser card . . . . . . . . . . . . . . . . . 290
9.9.6.4 Connecting cables to the expansion card . . . . . . . . . . 290
9.9.6.5 Connecting a FBU to the expansion card . . . . . . . . . . 290
9.9.6.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 290
9.10 GPGPU cards in riser modules (FL) . . . . . . . . . . . . . 290

RX2540 M4 Upgrade and Maintenance Manual
Contents
9.10.1 Installing a GPGPU card in riser module 1 . . . . . . . . . . . 291
9.10.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 291
9.10.1.2 Installing a GPGPU card in a riser module . . . . . . . . . . 291
9.10.1.3 Replacing the heat sink (FL) . . . . . . . . . . . . . . . . . 293
9.10.1.4 Removing the slot cover for the riser module 1 . . . . . . . 293
9.10.1.5 Removing the rear air grid riser module 1 . . . . . . . . . . 293
9.10.1.6 Installing the riser module 1 . . . . . . . . . . . . . . . . . 294
9.10.1.7 Installing the FBU . . . . . . . . . . . . . . . . . . . . . . 294
9.10.1.8 Installing the air duct riser module 1 . . . . . . . . . . . . . 295
9.10.1.9 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 296
9.10.2 Removing a GPGPU card from riser module 1 . . . . . . . . . 297
9.10.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 297
9.10.2.2 Removing the air duct . . . . . . . . . . . . . . . . . . . . 297
9.10.2.3 Removing the FBU . . . . . . . . . . . . . . . . . . . . . . 297
9.10.2.4 Removing the riser module 1 . . . . . . . . . . . . . . . . 297
9.10.2.5 Removing a GPGPU card (FL) . . . . . . . . . . . . . . . . 298
9.10.2.6 Installing the slot cover for the riser module 1 . . . . . . . . 298
9.10.2.7 Installing the rear air grid riser module 1 . . . . . . . . . . . 298
9.10.2.8 Installing the air duct . . . . . . . . . . . . . . . . . . . . . 298
9.10.2.9 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 299
9.10.3 Installing a GPGPU card in riser module 2 . . . . . . . . . . . 299
9.10.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 299
9.10.3.2 Installing a GPGPU card in a riser module . . . . . . . . . . 299
9.10.3.3 Installing the air grid extension to riser module 2 . . . . . . 299
9.10.3.4 Replacing the heat sink (FL) . . . . . . . . . . . . . . . . . 300
9.10.3.5 Removing the rear air grid riser module 2 . . . . . . . . . . 300
9.10.3.6 Removing the slot cover riser module 2 . . . . . . . . . . . 300
9.10.3.7 Installing the riser module 2 (FL) . . . . . . . . . . . . . . . 300
9.10.3.8 Installing the FBU . . . . . . . . . . . . . . . . . . . . . . 301
9.10.3.9 Installing the air duct riser module 2 . . . . . . . . . . . . . 301
9.10.3.10 Connecting the FBU . . . . . . . . . . . . . . . . . . . . . 302
9.10.3.11 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 302
9.10.4 Removing a GPGPU card in riser module 2 . . . . . . . . . . . 303
9.10.4.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 303
9.10.4.2 Removing the air duct . . . . . . . . . . . . . . . . . . . . 303
9.10.4.3 Removing the FBU . . . . . . . . . . . . . . . . . . . . . . 303
9.10.4.4 Removing the riser module 2 . . . . . . . . . . . . . . . . 303
9.10.4.5 Removing a GPGPU card . . . . . . . . . . . . . . . . . . 304
9.10.4.6 Installing the slot cover riser module 2 . . . . . . . . . . . . 304
9.10.4.7 Installing the rear air grid riser module 2 . . . . . . . . . . . 304
9.10.4.8 Installing the air duct . . . . . . . . . . . . . . . . . . . . . 304
9.10.4.9 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 304

Upgrade and Maintenance Manual RX2540 M4
Contents
9.10.5 Replacing GPGPU cards in riser modules . . . . . . . . . . . 305
9.10.5.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 305
9.10.5.2 Removing the defective GPGPU card . . . . . . . . . . . . 305
9.10.5.3 Installing the new GPGPU card . . . . . . . . . . . . . . . 305
9.10.5.4 Connecting cables to the GPGPU card . . . . . . . . . . . 306
9.10.5.5 Connecting a FBU to the expansion card . . . . . . . . . . 306
9.10.5.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 306
9.10.6 Replacing a riser card . . . . . . . . . . . . . . . . . . . . . . 307
9.10.6.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 307
9.10.6.2 Removing the defective riser card . . . . . . . . . . . . . . 307
9.10.6.3 Installing the new riser card . . . . . . . . . . . . . . . . . 307
9.10.6.4 Connecting cables to the expansion cards . . . . . . . . . 308
9.10.6.5 Connecting a FBU to the expansion card . . . . . . . . . . 308
9.10.6.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 308
9.11 Flash Backup unit (FBU) . . . . . . . . . . . . . . . . . . . 309
9.11.1 Replacing a TFM . . . . . . . . . . . . . . . . . . . . . . . . 309
9.11.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 309
9.11.1.2 Removing the defective TFM . . . . . . . . . . . . . . . . 309
9.11.1.3 Installing the new TFM . . . . . . . . . . . . . . . . . . . 311
9.11.1.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 313
9.11.2 Installing an FBU on the air duct . . . . . . . . . . . . . . . . 313
9.11.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 313
9.11.2.2 Preparing the FBU . . . . . . . . . . . . . . . . . . . . . 314
9.11.2.3 Installing the FBU with the holder . . . . . . . . . . . . . . 315
9.11.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 316
9.11.3 Installing an FBU on the riser card holder (FL) . . . . . . . . . 317
9.11.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 317
9.11.3.2 Preparing the FBU . . . . . . . . . . . . . . . . . . . . . 317
9.11.3.3 Installing the FBU with the holder . . . . . . . . . . . . . . 318
9.11.3.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 319
9.11.4 Removing an FBU from the air duct . . . . . . . . . . . . . . 319
9.11.4.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 320
9.11.4.2 Removing the FBU with the holder . . . . . . . . . . . . . 320
9.11.4.3 Disconnecting the FBU cable from the FBU . . . . . . . . 321
9.11.4.4 Removing the FBU from the holder . . . . . . . . . . . . . 321
9.11.4.5 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 322
9.11.5 Removing an FBU from the riser card holder (FL) . . . . . . . 322
9.11.5.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 322
9.11.5.2 Removing the FBU with the holder . . . . . . . . . . . . . 323
9.11.5.3 Disconnecting the FBU cable from the FBU . . . . . . . . 323
9.11.5.4 Removing the FBU from the holder . . . . . . . . . . . . . 324

RX2540 M4 Upgrade and Maintenance Manual
Contents
9.11.5.5 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 324
9.11.6 Replacing an FBU . . . . . . . . . . . . . . . . . . . . . . . . 325
9.11.6.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . 325
9.11.6.2 Removing the defective FBU . . . . . . . . . . . . . . . . . 325
9.11.6.3 Installing the new FBU . . . . . . . . . . . . . . . . . . . . 326
9.11.6.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . 326
10 Main memory . . . . . . . . . . . . . . . . . . . . . . . . . . 327
10.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 328
10.1.1 Population rules . . . . . . . . . . . . . . . . . . . . . . . . . 330
10.1.2 Modes of operation . . . . . . . . . . . . . . . . . . . . . . . 331
10.1.2.1 Independent Channel mode . . . . . . . . . . . . . . . . . 331
10.1.2.2 Mirrored Channel mode . . . . . . . . . . . . . . . . . . . 335
10.1.2.3 Rank Sparing mode . . . . . . . . . . . . . . . . . . . . . 336
10.2 Installing a memory module . . . . . . . . . . . . . . . . . . 339
10.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 339
10.2.2 Selecting the memory slot . . . . . . . . . . . . . . . . . . . . 339
10.2.3 Installing a memory module . . . . . . . . . . . . . . . . . . . 339
10.2.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 340
10.3 Removing a memory module . . . . . . . . . . . . . . . . . 341
10.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 341
10.3.2 Removing a memory module . . . . . . . . . . . . . . . . . . 341
10.3.3 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 342
10.4 Replacing a memory module . . . . . . . . . . . . . . . . . 342
10.4.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 342
10.4.2 Removing the defective memory module . . . . . . . . . . . . 343
10.4.3 Installing a new memory module . . . . . . . . . . . . . . . . 343
10.4.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 343
11 Processor (CPU) . . . . . . . . . . . . . . . . . . . . . . . . 345
11.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 346
11.2 Upgrading to 2 CPUs configuration . . . . . . . . . . . . . . 349
11.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 350
11.2.2 Removing the socket cover . . . . . . . . . . . . . . . . . . . 350
11.2.3 Installing the CPU and heat sink . . . . . . . . . . . . . . . . . 351
11.2.4 Upgrading the main memory . . . . . . . . . . . . . . . . . . 354
11.2.5 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 354

Upgrade and Maintenance Manual RX2540 M4
Contents
11.3 Replacing a CPU or heat sink . . . . . . . . . . . . . . . . . 355
11.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 356
11.3.2 Removing the heat sink . . . . . . . . . . . . . . . . . . . . . 356
11.3.3 Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . 357
11.3.4 Applying the thermal paste to the CPU surface . . . . . . . . . 359
11.3.5 Installing the CPU and heat sink . . . . . . . . . . . . . . . . 360
11.3.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 360
12 Liquid cooling (LC) . . . . . . . . . . . . . . . . . . . . . . 363
12.1 Basic information . . . . . . . . . . . . . . . . . . . . . . . 364
12.2 Replacing the CPU or LC device . . . . . . . . . . . . . . . 369
12.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . . . 369
12.2.2 Removing the LC device . . . . . . . . . . . . . . . . . . . . 369
12.2.3 Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . 372
12.2.4 Installing the CPU . . . . . . . . . . . . . . . . . . . . . . . . 374
12.2.5 Installing the LC device . . . . . . . . . . . . . . . . . . . . . 376
12.2.6 Concluding steps . . . . . . . . . . . . . . . . . . . . . . . . 381
12.3 Applying the thermal paste to the CPU surface . . . . . . . 382
12.4 Main memory for LC . . . . . . . . . . . . . . . . . . . . . . 384
12.4.1 Installing memory modules . . . . . . . . . . . . . . . . . . . 384
12.4.1.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 384
12.4.1.2 Preparing the memory modules . . . . . . . . . . . . . . . 384
12.4.1.3 Installing a memory module . . . . . . . . . . . . . . . . . 385
12.4.1.4 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 386
12.4.2 Removing a memory module . . . . . . . . . . . . . . . . . . 386
12.4.2.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 386
12.4.2.2 Removing a memory module . . . . . . . . . . . . . . . . 387
12.4.2.3 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 387
12.4.3 Replacing memory modules . . . . . . . . . . . . . . . . . . 387
12.4.3.1 Preliminary steps . . . . . . . . . . . . . . . . . . . . . . 388
12.4.3.2 Replacing a memory module . . . . . . . . . . . . . . . . 388
12.4.3.3 Concluding steps . . . . . . . . . . . . . . . . . . . . . . 388
12.4.4 Installing a memory spacer . . . . . . . . . . . . . . . . . . . 389