Lenovo ThinkCentre M90s User Guide

Lenovo ThinkCentre M90s User Guide
M90s/M90t

Initial Setup



Overview

M90s

M90t

  1. Optical drive eject button
  2. Optical drive activity indicator
  3. SD-card slot
  4. Power button
  5. Storage drive activity indicator
  6. ThinkCentre® LED
  7. Microphone connector
  8. Headset connector
  9. USB-CTM (3.2 Gen 1) connector
  10. USB 3.2 connectors Gen 1
  11. USB 3.2 connectors Gen 2
  12. Internal speaker
  13. Audio line-out connector
  14. DisplayPort® out connectors
  15. Optional connector
  16. USB 3.2 connectors Gen 1
  17. USB 3.2 connector Gen 1
  18. Security-lock slot
  19. Serial connector
  20. PS/2 keyboard and mouse connectors
  21. Ethernet connector
  22. Padlock loop
  23. E-lock slots
  24. PCI-Express card area
  25. Power cord connector
  26. Serial connector
  27. Smart cable clip slots

Important: Read the statement on USB transfer rate in the User Guide. Refer to the Safety and Warranty Guide for accessing the User Guide.

Customer Replaceable Units (CRUs)

  • 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/eudoc

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

M90s

M90t

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.

Reduce I Reuse I Recycle