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Lenovo ThinkCentre M725s User Manual

Lenovo ThinkCentre M725s
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M725s User Guide and Hardware
Maintenance Manual
Energy Star Machine Types: 10VT, 10VU, 10VV, and 10VX
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Lenovo ThinkCentre M725s Specifications

General IconGeneral
Processor cache2 MB
Processor cores4
Processor familyAMD Ryzen™ 3 PRO
Processor frequency3.5 GHz
Processor manufacturerAMD
Processor boost frequency3.6 GHz
Number of processors installed1
Operating system architecture64-bit
Non-ECCYes
Memory slots4x DIMM
Internal memory8 GB
Memory clock speed2666 MHz
Internal memory typeDDR4-SDRAM
Maximum internal memory64 GB
Memory layout (slots x size)1 x 8 GB
HDD size3.5 \
HDD speed7200 RPM
Storage mediaHDD
Optical drive typeDVD±RW
Total storage capacity1000 GB
Discrete graphics cardNo
Discrete graphics card modelNot available
On-board graphics card modelAMD Radeon Vega 8
Cabling technology10/100/1000Base-T(X)
Ethernet LAN data rates10, 100, 1000 Mbit/s
Power supply210 W
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity0
Sustainability certificatesRoHS, EPEAT Gold, ENERGY STAR
Volume8.4 L
Chassis typeSFF
Product colorBlack
Audio chipRealtek ALC662
Audio systemHigh Definition Audio
Product typePC
Motherboard chipsetAMD B450
Password protection typeHDD, Power on, Supervisor
Weight and Dimensions IconWeight and Dimensions
Depth290.5 mm
Width92.5 mm
Height343.5 mm
Weight6000 g

Summary

Chapter 1. Overview

Front View

Describes the front panel components and their functions for easy identification.

Rear View

Details the rear panel connectors and ports for connectivity options.

System Board

Provides an overview of the main motherboard components and their locations.

Machine Type and Model Label

Explains the importance of the machine type and model label for service.

Chapter 2. Specifications

Chapter 3. Computer Locks

Locking the Computer Cover

Explains how to secure the computer cover using a padlock loop.

Attaching a Kensington-Style Cable Lock

Details how to connect a cable lock to the security slot for theft deterrence.

Attaching a Smart Cable Clip

Describes how to use a smart cable clip to secure device cables to the computer.

Chapter 4. Replacing Hardware

Before Replacing Hardware

Provides essential precautions and guidelines before starting any hardware replacement.

Notes When Handling Static-Sensitive Devices

Outlines crucial steps to prevent damage from static electricity to components.

Knowing FRUs (including CRUs)

Explains the classification of Field Replaceable Units and Customer Replaceable Units.

Locating FRUs (including CRUs)

Guides users on how to identify and find replacement parts for the computer.

Replacing External Options

Details the procedure for removing and replacing external devices or accessories.

Removing the Computer Cover

Step-by-step instructions on how to safely open the computer chassis for internal access.

Replacing the Front Bezel

Instructions for removing and installing the front panel of the computer.

Replacing the Optical Drive

Guide on how to replace the CD/DVD drive unit.

Pivoting the Drive Bay Assembly Upward and Downward

Explains how to maneuver the drive bay for component access.

Replacing the Storage Drive

Instructions for replacing the primary hard drive or SSD.

Replacing the Power Button Board and Card Reader

Procedure for replacing the front panel power button and card reader components.

Replacing the Illuminated Red Dot

Steps to replace the illuminated indicator light on the front panel.

Replacing the Internal Speaker

Guide on how to replace the computer's internal speaker.

Replacing the Thermal Sensor

Instructions for replacing the component that monitors system temperature.

Replacing the Wi-Fi Card

Steps to replace the wireless network card.

Replacing the Wi-Fi Antennas

Guide on how to replace the antennas for the wireless network.

Replacing the M.2 Solid-State Drive

Instructions for replacing the M.2 slot storage device.

Replacing the M.2 Solid-State Drive Bracket

Steps to replace the mounting bracket for the M.2 drive.

Replacing the Coin-Cell Battery

Procedure for replacing the CMOS battery that maintains system time and settings.

Replacing a Memory Module

Guide on how to install or replace RAM modules.

Replacing the Heat Sink and Fan Assembly

Instructions for replacing the CPU cooling system.

Replacing the Microprocessor

Steps for replacing the central processing unit (CPU).

Replacing a PCI Express Card

Guide on installing or replacing expansion cards in PCI Express slots.

Replacing the Cover Presence Switch

Instructions for replacing the switch that detects if the computer cover is open.

Replacing the Power Supply Assembly

Steps to replace the computer's power supply unit.

Replacing the System Board

Detailed instructions for replacing the main motherboard.

Completing the Parts Replacement

Final steps for reassembly and ensuring all components are correctly installed.

Appendix A. Notices

Appendix B. Trademarks

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