Lenovo ThinkCentre M90s User Guide
M90s/M90t
Initial Setup
Overview
M90s
M90t
- Optical drive eject button
- Optical drive activity indicator
- SD-card slot
- Power button
- Storage drive activity indicator
- ThinkCentre® LED
- Microphone connector
- Headset connector
- USB-CTM (3.2 Gen 1) connector
- USB 3.2 connectors Gen 1
- USB 3.2 connectors Gen 2
- Internal speaker
- Audio line-out connector
- DisplayPort® out connectors
- Optional connector
- USB 3.2 connectors Gen 1
- USB 3.2 connector Gen 1
- Security-lock slot
- Serial connector
- PS/2 keyboard and mouse connectors
- Ethernet connector
- Padlock loop
- E-lock slots
- PCI-Express card area
- Power cord connector
- Serial connector
- 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.
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