Lenovo ThinkCentre M70t Gen 2 User manual

M70t Gen 3 and M80t Gen 3
User Guide

Read this first
Before using this documentation and the product it supports, ensure that you read and understand the
following:
• Safety and Warranty Guide
• Generic Safety and Compliance Notices
• Setup Guide
First Edition (January 2022)
© Copyright Lenovo 2022.
IMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant to a General Services
Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-
35F-05925.

Contents
Discover your Lenovo co puter . . . . iii
Chapter 1. Meet your co puter . . . . . 1
Front . . . . . . . . . . . . . . . . . . . . 1
Rear . . . . . . . . . . . . . . . . . . . . 4
Features and specifications . . . . . . . . . . . 7
USB specifications . . . . . . . . . . . . . . 9
Chapter 2. Get started with your
co puter . . . . . . . . . . . . . . . . 11
Access networks . . . . . . . . . . . . . . 11
Connect to the wired Ethernet . . . . . . . 11
Connect to Wi-Fi networks (for selected
models) . . . . . . . . . . . . . . . . 11
Connect an external display . . . . . . . . . . 11
Manage cables with a smart cable clip . . . . . . 11
Chapter 3. Explore your co puter . . 13
The Vantage app . . . . . . . . . . . . . . 13
Set the power plan . . . . . . . . . . . . . 13
Transfer data . . . . . . . . . . . . . . . . 13
Connect to a Bluetooth-enabled device (for
selected models) . . . . . . . . . . . . 13
Use the optical drive (for selected models) . . 14
Use a media card (for selected models) . . . . 15
Purchase accessories . . . . . . . . . . . . 15
Chapter 4. Secure your co puter
and infor ation . . . . . . . . . . . . 17
ock the computer . . . . . . . . . . . . . 17
UEFI BIOS passwords . . . . . . . . . . . . 18
Certificate based BIOS management . . . . . . 19
Use software security solutions. . . . . . . . . 20
Windows firewalls . . . . . . . . . . . . 20
Computrace Agent software embedded in
firmware (for selected models) . . . . . . . 20
Use BIOS security solutions . . . . . . . . . . 20
Wipe the storage drive data . . . . . . . . 20
Cover presence switch . . . . . . . . . . 21
Intel BIOS guard . . . . . . . . . . . . . 21
Smart USB Protection . . . . . . . . . . 21
Chapter 5. UEFI BIOS . . . . . . . . . 23
What is UEFI BIOS. . . . . . . . . . . . . . 23
Enter the BIOS menu. . . . . . . . . . . . . 23
Navigate in the BIOS interface . . . . . . . . . 23
Change the display language of UEFI BIOS . . . . 23
Change the display mode of UEFI BIOS (for
selected models) . . . . . . . . . . . . . . 24
Set the system date and time . . . . . . . . . 24
Change the boot priority order . . . . . . . . . 24
Enable or disable the configuration change
detection feature . . . . . . . . . . . . . . 25
Enable or disable the automatic power-on
feature . . . . . . . . . . . . . . . . . . 25
Enable or disable the smart power-on feature (for
selected models) . . . . . . . . . . . . . . 25
Enable or disable the ErP PS compliance mode . . 25
Change the ITS performance mode . . . . . . . 26
Change BIOS settings before installing a new
operating system . . . . . . . . . . . . . . 26
Update UEFI BIOS. . . . . . . . . . . . . . 27
Recover from a BIOS update failure . . . . . . . 27
Clear CMOS . . . . . . . . . . . . . . . . 28
Chapter 6. Diagnostics . . . . . . . . 29
enovo diagnostic tools . . . . . . . . . . . 29
The Vantage app . . . . . . . . . . . . . . 29
Chapter 7. CRU replace ent . . . . . 31
CRU list . . . . . . . . . . . . . . . . . . 31
Remove or replace a CRU . . . . . . . . . . . 32
Computer cover . . . . . . . . . . . . . 32
Optical drive . . . . . . . . . . . . . . 32
Front bezel . . . . . . . . . . . . . . . 34
Drive bay assembly . . . . . . . . . . . 35
2.5-inch hard disk drive . . . . . . . . . . 36
3.5-inch hard disk drive . . . . . . . . . . 37
Memory module . . . . . . . . . . . . . 38
M.2 solid-state drive and heat sink . . . . . 40
M.2 solid-state drive bracket . . . . . . . . 42
PCI-Express connector cable . . . . . . . 43
PCI-Express card . . . . . . . . . . . . 44
Power supply assembly . . . . . . . . . . 45
E-lock . . . . . . . . . . . . . . . . . 46
Coin-cell battery. . . . . . . . . . . . . 47
Chapter 8. Help and support . . . . . 49
Self-help resources . . . . . . . . . . . . . 49
Call enovo . . . . . . . . . . . . . . . . 51
Before you contact enovo . . . . . . . . 51
enovo Customer Support Center . . . . . . 51
Purchase additional services. . . . . . . . . . 52
© Copyright enovo 2022 i

Appendix A. Co pliance
infor ation . . . . . . . . . . . . . . . 53
Appendix B. Notices and
trade arks . . . . . . . . . . . . . . . 55
ii M70t Gen 3 and M80t Gen 3 User Guide

Discover your Lenovo co puter
Thank you for choosing a Lenovo® co puter! We are dedicated to delivering the best solution to you.
Before starting your tour, please read the following information:
• Illustrations in this documentation might look different from your product.
• Depending on the model, some optional accessories, features, software programs, and user interface
instructions might not be applicable to your computer.
• Documentation content is subject to change without notice. To get the latest documentation, go to https://
pcsupport.lenovo.com.
© Copyright enovo 2022 iii

iv M70t Gen 3 and M80t Gen 3 User Guide

Chapter 1. Meet your co puter
Front
M70t Gen 3
1. Optical drive eject button* 2. Optical drive activity indicator*
3. SD-card slot* 4. Power button and power indicator
5. Storage drive activity indicator 6. ThinkCentre® ED
7. Microphone connector 8. Headset connector
9. USB-C® (3.2 Gen 1) connector 10. USB 3.2 connectors Gen 1
11. USB 3.2 connectors Gen 2 12. Internal speaker
* for selected models
© Copyright enovo 2022 1

M80t Gen 3
1. Optical drive eject button* 2. Optical drive activity indicator*
3. SD-card slot* 4. Power button and power indicator
5. Storage drive activity indicator 6. ThinkCentre ED
7. Microphone connector 8. Headset connector
9. USB-C (3.2 Gen 2) connector 10. USB 3.2 connectors Gen 1
11. USB 3.2 connectors Gen 2 12. Internal speaker
* for selected models
Power indicator
Show the system status of your computer.
• On: The computer is starting up or working.
• Off: The computer is off or in hibernation mode.
• Blinking: The computer is in sleep mode.
Headset connector
The headset connector is compatible with:
• Headphones or earphones with a 3.5mm (0.14 inch), TRS (3-pole) plug
• Headsets with a 3.5mm (0.14 inch), CTIA-compliant TRRS (4-pole) plug
Note: This headset connector does not support standalone external microphones with a TRS (3-pole) plug
or headsets with an OMTP-compliant TRRS (4-pole) plug.
2M70t Gen 3 and M80t Gen 3 User Guide

Related topics
• “USB specifications” on page 9.
• “Use the optical drive (for selected models)” on page 14.
• “Use a media card (for selected models)” on page 15.
Chapter 1.Meet your computer 3

Rear
M70t Gen 3
1. Audio line-out connector 2. Optional connector*
3. HDMI™ out connector 4. DisplayPort™ out connectors
5. USB 2.0 connectors 6. USB 2.0 connector (with smart power-on)
7. Power cord connector 8. Smart cable clip slots
9. PS/2 mouse connector* 10. PS/2 keyboard connector*
11. Ethernet connector 12. E-lock slots
13. Serial connector* 14. PCI-Express card area
15. Padlock loop 16. Security-lock slot
* for selected models
4M70t Gen 3 and M80t Gen 3 User Guide

M80t Gen 3
1. Audio line-out connector 2. Optional connector*
3. HDMI out connector 4. DisplayPort out connectors
5. USB 3.2 connectors Gen 1 6. USB 3.2 connector Gen 1 (with smart power-on)
7. Power cord connector 8. Smart cable clip slots
9. PS/2 mouse connector* 10. PS/2 keyboard connector*
11. Ethernet connector 12. E-lock slots
13. Serial connector* 14. PCI-Express card area
15. Padlock loop 16. Security-lock slot
* for selected models
Optional connector
Depending on the computer model, the connector might be a DisplayPort out connector, a USB-C (3.2 Gen
1) connector, a VGA out connector, or an HDMI out connector.
Serial connector
Connect an external modem, a serial printer, or other devices that use a serial connector.
Related topics
• “USB specifications” on page 9.
• “Connect an external display” on page 11.
• “ ock the computer” on page 17.
Chapter 1.Meet your computer 5

• “Enable or disable the smart power-on feature (for selected models)” on page 25.
6M70t Gen 3 and M80t Gen 3 User Guide

Features and specifications
For detailed specifications of your computer, go to https://psref.lenovo.com.
Di ensions
• Width: 145.0 mm (5.7 inches)
• Height: 346.0 mm (13.6 inches)
• Depth: 296.2 mm (11.7 inches)
Weight (without packaging) Maximum configuration as shipped: 5.9 kg (13 lb)
Hardware configuration Type Device Manager in the Windows search box and then press Enter. Type the
administrator password or provide confirmation, if prompted.
Power supply
• 180-watt automatic voltage-sensing power supply
• 260-watt automatic voltage-sensing power supply
• 310-watt automatic voltage-sensing power supply
• 380-watt automatic voltage-sensing power supply
Electrical input • Input voltage: From 100 V ac to 240 V ac
• Input frequency: 50/60 Hz
Me ory
• M70t Gen 3: Up to four Double data rate 4 (DDR4) unbuffered dual inline
memory module (UDIMMs)
• M80t Gen 3: Up to four Double data rate 5 (DDR5) unbuffered dual inline
memory module (UDIMMs)
Maximum memory capacity: 128 GB
Storage device
• 3.5-inch hard disk drive*
• 2.5-inch hard disk drive*
• M.2 solid-state drive*
To view the storage drive capacity of your computer, type Disk Management in the
Windows search box and then press Enter.
Note: The storage drive capacity indicated by the system is less than the nominal
capacity.
Video features
• The integrated graphics card supports the following:
– DisplayPort out connector
– HDMI out connector
– VGA-out connector*
– USB-C (3.2 Gen 1) connector* (on the rear panel)
• The optional discrete graphics card provides an enhanced video experience
and extended capabilities.
Chapter 1.Meet your computer 7

Expansion
• Card reader*
• Memory slots
• M.2 solid-state drive slot
• Optical drive*
• Storage drive bay
M70t Gen 3
• PCI Express x16 card slot
• PCI Express x1 card slots
M80t Gen 3
• PCI Express x16 graphics card slot
• PCI Express x16 card slot (physical link width x16; negotiable link width x4)
• PCI Express x1 card slot
Network features
• Bluetooth*
• Ethernet AN
• Wireless AN*
* for selected models
8M70t Gen 3 and M80t Gen 3 User Guide

USB specifications
Note: Depending on the model, some USB connectors might not be available on your computer.
Connector na e Description
• USB 2.0 connector
• USB 3.2 connector Gen 1
• USB 3.2 connector Gen 2
Connect USB-compatible devices, such as a USB
keyboard, USB mouse, USB storage device, or USB
printer.
• USB-C (3.2 Gen 1) connector
• USB-C (3.2 Gen 2) connector
• Charge USB-C compatible devices with the output
voltage and current of 5 V and 3 A.
• Connect to an external display: Up to 3840 x 2160
pixels, 60 Hz.
• Connect to USB-C accessories to help expand your
computer functionality. To purchase USB-C
accessories, go to https://www.lenovo.com/accessories.
State ent on USB transfer rate
Depending on many factors such as the processing capability of the host and peripheral devices, file
attributes, and other factors related to system configuration and operating environments, the actual transfer
rate using the various USB connectors on this device will vary and will be slower than the data rate listed
below for each corresponding device.
USB device Data rate (Gbit/s)
3.2 Gen 1 / 3.1 Gen 1 5
3.2 Gen 2 / 3.1 Gen 2 10
3.2 Gen 2 × 2 20
Thunderbolt 3 40
Thunderbolt 4 40
Chapter 1.Meet your computer 9

10 M70t Gen 3 and M80t Gen 3 User Guide

Chapter 2. Get started with your co puter
Access networks
This section helps you access networks through connecting to a wired or wireless network.
Connect to the wired Ethernet
Connect your computer to a local network through the Ethernet connector on your computer with an
Ethernet cable.
Connect to Wi-Fi networks (for selected odels)
Click the network icon in the Windows® notification area, and then select a network for connection. Provide
required information, if needed.
Connect an external display
Connect a projector or a monitor to your computer to give presentations or expand your workspace.
Connect a wireless display
Ensure that both your computer and the wireless display support Miracast®.
Press Windows logo key + K and then select a wireless display to connect.
Change display settings
1. Right-click a blank area on the desktop and select display settings.
2. Select the display that you want to configure and change display settings of your preference.
Manage cables with a s art cable clip
Note: You can purchase a smart cable clip from enovo.
© Copyright enovo 2022 11

To manage cables of devices (such as the keyboard and the mouse) with a smart cable clip:
1. Pull the cables through the dents in the clip.
2. Install the clip as shown.
12 M70t Gen 3 and M80t Gen 3 User Guide

Chapter 3. Explore your co puter
The Vantage app
The preinstalled Vantage app is a customized one-stop solution to help you maintain your computer with
automated updates and fixes, configure hardware settings, and get personalized support.
To access the Vantage app, type Vantage in the Windows search box.
Key features
The Vantage app enables you to:
• Know the device status easily and customize device settings.
• Download and install UEFI BIOS, firmware and driver updates to keep your computer up-to-date.
• Monitor your computer health, and secure your computer against outside threats.
• Scan your computer hardware and diagnose hardware problems.
• ook up warranty status (online).
• Access User Guide and helpful articles.
Notes:
• The available features vary depending on the computer model.
• The Vantage app makes periodic updates of the features to keep improving your experience with your
computer. The description of features might be different from that on your actual user interface.
Set the power plan
For ENERGY STAR® compliant computers, the following power plan takes effect when your computers have
been idle for a specified duration:
• turn off the display: After 10 minutes
• put the computer to sleep: After 25 minutes
To awaken the computer from Sleep mode, press any key on your keyboard.
To reset the power plan:
1. Right-click the battery status icon and select Power Options.
2. Choose or customize a power plan of your preference.
Transfer data
Quickly share your files using the built-in Bluetooth technology among devices with the same features. You
also can install a disc or media card to transfer data.
Connect to a Bluetooth-enabled device (for selected odels)
You can connect all types of Bluetooth-enabled devices to your computer, such as a keyboard, a mouse, a
smartphone, or speakers. Place the device that you are attempting to connect to less than 10 meters (33
feet) from the computer.
© Copyright enovo 2022 13

1. Type Bluetooth in the Windows search box and then press Enter.
2. Turn on Bluetooth, if it is off.
3. Select a Bluetooth device, and then follow the on-screen instructions.
Use the optical drive (for selected odels)
If your computer has an optical drive, read the following information.
Know the type of your optical drive
1. Type Device Manager in the Windows search box and then press Enter. Type the administrator password
or provide confirmation, if prompted.
2. Select an optical drive, and then follow the on-screen instructions.
Install or re ove a disc
1. With the computer on, press the eject button on the optical drive. The tray slides out of the drive.
2. Insert a disc into the tray or remove a disc from the tray, and then push the tray back into the drive.
Note: If the tray does not slide out of the drive when you press the eject button, turn off the computer. Then,
insert a straightened paper clip into the emergency-eject hole adjacent to the eject button. Use the
emergency eject only in an emergency.
Record a disc
1. Insert a recordable disc into the optical drive that supports recording.
2. Do one of the following:
• Type AutoPlay in the Windows search box and then press Enter. Turn on Use AutoPlay for all edia
and devices.
• Open Windows Media Player.
• Double-click the ISO file.
3. Follow the on-screen instructions.
14 M70t Gen 3 and M80t Gen 3 User Guide