Initial Setup
Follow these steps for the initial setup of your Lenovo ThinkCentre M90s or M90t computer:
- Carefully unpack the computer, monitor, keyboard, and mouse. [unpack-icon]
- Connect the power cord from the wall outlet to the power connector on the computer. [power-icon]
- Connect the keyboard and mouse to the appropriate ports on the computer. [keyboard-icon], [mouse-icon]
Diagram Description: The initial setup diagram illustrates the process of unpacking the computer, monitor, keyboard, and mouse. It shows a power cord connecting from a wall outlet to the computer's power input, and cables connecting the keyboard and mouse to the computer's ports.
Overview
M90s Overview
The M90s model features the following ports and connectors:
Front View
- 1. Optical drive eject button [eject-button]
- 2. Optical drive activity indicator [activity-indicator]
- 3. SD-card slot [sd-card-slot]
- 4. Power button [power-button]
- 5. Storage drive activity indicator [storage-activity-indicator]
- 6. ThinkCentre® LED [thinkcentre-led]
- 7. Microphone connector [microphone-connector]
- 8. Headset connector [headset-connector]
- 9. USB-CTM (3.2 Gen 1) connector [usb-c-connector]
- 10. USB 3.2 connectors Gen 1 [usb-3.2-gen1-connectors]
- 11. USB 3.2 connectors Gen 2 [usb-3.2-gen2-connectors]
- 12. Internal speaker [internal-speaker]
- 13. Audio line-out connector [audio-line-out]
- 14. DisplayPort® out connectors [displayport-out]
Back View
- 13. Audio line-out connector [audio-line-out]
- 14. DisplayPort® out connectors [displayport-out]
- 15. Optional connector [optional-connector]
- 16. USB 3.2 connectors Gen 1 [usb-3.2-gen1-connectors]
- 17. USB 3.2 connector Gen 1 [usb-3.2-gen1-connector]
- 18. Security-lock slot [security-lock-slot]
- 19. Serial connector [serial-connector]
- 20. PS/2 keyboard and mouse connectors [ps2-connectors]
- 21. Ethernet connector [ethernet-connector]
- 22. Padlock loop [padlock-loop]
- 23. E-lock slots [e-lock-slots]
- 24. PCI-Express card area [pci-express-area]
- 25. Power cord connector [power-cord-connector]
M90t Overview
The M90t model features the following ports and connectors:
Front View
- 1. Optical drive eject button [eject-button]
- 2. Optical drive activity indicator [activity-indicator]
- 3. SD-card slot [sd-card-slot]
- 4. Power button [power-button]
- 5. Storage drive activity indicator [storage-activity-indicator]
- 6. ThinkCentre® LED [thinkcentre-led]
- 7. Microphone connector [microphone-connector]
- 8. Headset connector [headset-connector]
- 9. USB-CTM (3.2 Gen 1) connector [usb-c-connector]
- 10. USB 3.2 connectors Gen 1 [usb-3.2-gen1-connectors]
- 11. USB 3.2 connectors Gen 2 [usb-3.2-gen2-connectors]
- 12. Internal speaker [internal-speaker]
Back View
- 13. Audio line-out connector [audio-line-out]
- 14. DisplayPort® out connectors [displayport-out]
- 15. Optional connector [optional-connector]
- 16. USB 3.2 connectors Gen 1 [usb-3.2-gen1-connectors]
- 17. USB 3.2 connector Gen 1 [usb-3.2-gen1-connector]
- 18. Security-lock slot [security-lock-slot]
- 19. Serial connector [serial-connector]
- 20. PS/2 keyboard and mouse connectors [ps2-connectors]
- 21. Ethernet connector [ethernet-connector]
- 22. Padlock loop [padlock-loop]
- 23. E-lock slots [e-lock-slots]
- 24. PCI-Express card area [pci-express-area]
- 25. Power cord connector [power-cord-connector]
- 26. Serial connector [serial-connector]
- 27. Smart cable clip slots [smart-cable-clip-slots]
Customer Replaceable Units (CRUs)
The following are Customer Replaceable Units (CRUs) for the ThinkCentre M90s/M90t:
- Chassis beam
- Coin-cell battery
- Computer cover
- E-lock
- Front bezel
- Heat sink for the M.2 solid-state drive
- Keyboard
- M.2 solid-state drive
- M.2 solid-state drive bracket
- Memory module
- Mouse
- Optical drive
- Optical drive bracket
- Optical drive cage
- PCI-Express connector cable
- PCI-Express card
- PCI-Express card holder
- Power cord
- Power supply assembly
- Primary storage drive
- Primary storage drive bracket
- Primary storage drive cage
- Secondary storage drive
- Secondary storage drive bracket
- Secondary storage drive cage
- Smart cable clip
- Storage converter
- Vertical stand
Refer to the User Guide for CRU definition.
Additional Information
European Union - Compliance with the Radio Equipment Directive
Hereby, Lenovo (Singapore) Pte. Ltd., declares that the radio equipment type ThinkCentre M90s/M90t is in compliance with Directive 2014/53/EU.
The full text of the system EU declaration of conformity is available at the following Internet address: https://www.lenovo.com/us/en/compliance/eu-doc
This radio equipment operates with the following frequency bands and maximum radio-frequency power:
| Technology | Frequency band [MHz] | Maximum transmit power |
|---|---|---|
| WLAN 802.11b/g/n/ax | 2400 - 2483.5 | < 20 dBm |
| WLAN 802.11a/n/ac/ax | 5150 - 5725 | < 23 dBm |
| WLAN 802.11a/n/ac/ax | 5725 - 5875 | < 13.98 dBm |
| Bluetooth BR/EDR/LE | 2400 - 2483.5 | < 20 dBm |
Usage of all the radio devices is limited to indoor in the band 5150 MHz to 5350 MHz (channels 36, 40, 44, 48, 52, 56, 60, 64).
E-manual
Online manuals are available in multiple languages, including French (Manuel en ligne), German (E-Handbuch), Italian (Manuale elettronico), Dutch (E-handleiding), and Portuguese (Manual eletrónico).
First Edition (May 2020) © Copyright Lenovo 2020.
LIMITED 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.
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