MSI G3101 User manual

G3101
MS-S238
Server System
User Guide

2Contents
Revision
V1.1, 2023/07
Contents
Regulatory Notices....................................................................................................... 3
Safety Information ......................................................................................................... 5
System Overview .......................................................................................................... 6
MS-S238.................................................................................................................. 6
System Specifications .................................................................................................. 9
Motherboard Connector ............................................................................................ 10
Motherboard Jumper................................................................................................. 14
Getting Started............................................................................................................ 15
Necessary Tools ................................................................................................... 15
Safety Precautions................................................................................................ 15
System Setup.............................................................................................................. 16
CPU.............................................................................................................................. 16
Memory ....................................................................................................................... 18
Supported Memory Population ............................................................................ 19
M.2 Key M (Optional)................................................................................................... 20
Hard Disk Drive (Optional) ......................................................................................... 21
Graphics Card (Optional)............................................................................................ 23
Air Cooler Module (Optional) ..................................................................................... 24
Water Cooler Module (Optional)................................................................................ 28

3
Regulatory Notices
Regulatory Notices
WEEE Statement
Under the European Union (“EU”) Directive on Waste Electrical and
Electronic Equipment, Directive 2012/19/EU, products of “electrical and
electronic equipment” cannot be discarded as municipal waste anymore
and manufacturers of covered electronic equipment will be obligated to
take back such products at the end of their useful life.
Chemical Substances Information
In compliance with chemical substances regulations, such as the EU REACH
Regulation (Regulation EC No. 1907/2006 of the European Parliament and the
Council), MSI provides the information of chemical substances in products at:
https://csr.msi.com/global/index
CE Conformity
Hereby, Micro-Star International CO., LTD declares that this device is in
compliance with the essential safety requirements and other relevant
provisions set out in the European Directive.
FCC-A Radio Frequency Interference Statement
This equipment has been tested and found to comply with the limits
for a Class A digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this
equipment in a residential area is likely to cause harmful interference, in which case
the user will be required to correct the interference at his own expense.
Notice 1
The changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
Notice 2
Shielded interface cables and AC power cord, if any, must be used in order to comply
with the emission limits.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
∙This device may not cause harmful interference, and
∙This device must accept any interference received, including interference that may
cause undesired operation.

4Regulatory Notices
Battery Information
Please take special precautions if this product comes with a battery.
∙Danger of explosion if battery is incorrectly replaced. Replace only with the same or
equivalent type recommended by the manufacturer.
∙Avoid disposal of a battery into fire or a hot oven, or mechanically crushing or
cutting of a battery, which can result in an explosion.
∙Avoid leaving a battery in an extremely high temperature or extremely low air
pressure environment that can result in an explosion or the leakage of flammable
liquid or gas.
∙Do not ingest battery. If the coin/button cell battery is swallowed, it can cause
severe internal burns and can lead to death. Keep new and used batteries away
from children.
European Union:
Batteries, battery packs, and accumulators should not be disposed of as
unsorted household waste. Please use the public collection system to
return, recycle, or treat them in compliance with the local regulations.
BSMI:
廢電池請回收
For better environmental protection, waste batteries should be collected
separately for recycling or special disposal.
California, USA:
The button cell battery may contain perchlorate material and requires
special handling when recycled or disposed of in California.
For further information please visit:
http://www.dtsc.ca.gov/hazardouswaste/perchlorate/
Copyright and Trademarks Notice
Copyright © Micro-Star Int’l Co., Ltd. All rights reserved. The MSI logo used is
a registered trademark of Micro-Star Int’l Co., Ltd. All other marks and names
mentioned may be trademarks of their respective owners. No warranty as to accuracy
or completeness is expressed or implied. MSI reserves the right to make changes to
this document without prior notice.
Technical Support
If a problem arises with your product and no solution can be obtained from the user’s
manual, please contact your place of purchase or local distributor. Alternatively,
please visit https://www.msi.com/support/ for further guidance.

5
Safety Information
Safety Information
∙Always read the safety instructions carefully.
∙Keep this User’s Manual for future reference.
∙Keep this equipment away from humidity.
∙Lay this equipment on a reliable flat surface before setting it up.
∙The openings on the enclosure are for air convection hence protects the equipment
from overheating. Do not cover the openings.
∙Make sure the voltage of the power source and adjust properly before connecting
the equipment to the power inlet.
∙Place the power cord such a way that people can not step on it. Do not place
anything over the power cord.
∙Always unplug the power cord before inserting any add-on card or module.
∙All cautions and warnings on the equipment should be noted.
∙Never pour any liquid into the opening that could damage or cause electrical shock.
∙If any of the following situations arises, get the equipment checked by service
personnel:
∙The power cord or plug is damaged.
∙Liquid has penetrated into the equipment.
∙The equipment has been exposed to moisture.
∙The equipment does not work well or you can not get it work according to User’s
Manual.
∙The equipment has dropped and damaged.
∙The equipment has obvious sign of breakage.
∙Do not leave this equipment in an environment unconditioned, storage
temperature above 60°C (140°F), it may damage the equipment.

6System Overview
System Overview
MS-S238
6 x 2.5” SATA
Hot-Swap Drive Bays
44
66
77
88
991010 1111 1313
1212
11
22
33
55

7
System Overview
11System Power Button
22UID Button
33System Reset Button
44
HDD Activity LED
!
System Alarm LED
1
NIC Link LED
55
USB 2.0 Port
This connector is provided for USB peripheral devices. (Speed up to 480
Mbps)
⚠
Important
High-speed devices are recommended for USB 3.2 ports whereas low-speed
devices, such as mouse or keyboard, are suggested to be plugged into the
USB 2.0 ports.
668038 System Fans
77Power Supply Unit
88COM Port
99VGA Port
1010 UID LED
1111 USB 3.2 Gen 1 Port
This connector is provided for USB peripheral devices. (Speed up to 5 Gbps)

8System Overview
1212
GbE RJ45 Port (for Mgmt)
The standard RJ45 LAN jack is provided for connection to the Local Area
Network (LAN). You can connect a network cable to it.
LINK/ACT
LED
SPEED
LED
LED Status Description
Link/ Activity
LED
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Off 10 Mbps/ No link
Orange 100 Mbps
Green 1 Gbps
1313
10 GbE RJ45 Port
The standard RJ45 LAN jack is provided for connection to the Local Area
Network (LAN). You can connect a network cable to it.
1 GbE
LINK/ACT
LED
SPEED
LED
LED Status Description
Link/ Activity
LED
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Off 10 Mbps
Orange 100 Mbps
Green 1 Gbps
10 GbE
LINK/ACT
LED
SPEED
LED
LED Status Description
Link/ Activity
LED
Off No link
Yellow Linked
Blinking Data activity
Speed LED
Off 10 Mbps
Orange 1 Gbps
Green 10 Gbps
∙
Depending on LAN chip capability. X710-AT2 does not support 100Mbps.

9
System Specifications
System Specifications
Model G3101
Dimensions 3U, 17.2”W (438mm) x 5.2”H (131mm) x 17.7”D (450mm)
Processor Single AMD EPYC ™ 7002/ 7003 Series Processors, up to 64C, TDP 300W
Memory ∙8 x DDR4 Max 2933/ 3200 Mhz
-RDIMM/ LRDIMM/ 3DS up to 2TB
Networking ∙2 x 10 GbE RJ45 ports (Intel® X710AT2) w/ NCSI
Expansion Slots ∙4 x PCIe 4.0 x16 for GPGPU
∙3 x PCIe 4.0 x8
Internal Storage 2 x M.2 M-key (2280/ 22110)
Drive Bays 6 x 2.5" SATA Hot-swap drive bays
Server
Management
∙Aspeed AST2500 IPMI2.0 with iKVM
∙1 x GbE RJ45 Mgmt. port (Realtek RTL8211E-VB)
Cooling ∙1 x CPU air cooler module (240W) or 1 x CPU liquid cooler module (300W)
∙4 x 80mm x 38mm PWM Hot-swap fans
Power Supply CRPS 1+1 hot-plug redundant PSU
Environmental ∙Operating Temperature: 0°C ~ 35°C (40°C w/liquid cooling)
∙Non-operating Temperature: -20°C ~ 70°C
∙Non-operating Relative Humidity: 5% ~ 85% (non-condensing)
Accessory 1 x Slide Rail (Optional)
Certications CE, FCC (Class A)

10 Motherboard Connector
Motherboard Connector
JPWR1, JPWR2, JPWR3: Power Connector
1
4
85
JPWR2 1 GND 2 GND
3 GND 4 GND
5 +12V 6 +12V
7 +12V 8 +12V
1 12
13 24
JPWR3
1 P3V3 13 P3V3
2 P3V3 14 -12V
3 GND 15 GND
4 P5V 16 PS-ON#
5 GND 17 GND
6 P5V 18 GND
7 GND 19 GND
8 ATX_POK 20 -5V
9 5VSB 21 P5V
10 P12V 22 P5V
11 P12V 23 P5V
12 P3V3 24 GND
JPWR1
3
4
2 1
1 GND 2 GND
3P12V 4P12V