Rear - Lenovo ThinkCentre M90a Gen 3 User Manual

Rear

1. Serial connector*
™
in 1.4/Out 2.1 connector
3. HDMI
®
5. USB-C (3.2 Gen 2) connector
7. USB 3.2 connectors Gen 1
9. Power cord connector
* for selected models
Serial connector
Connect an external modem, a serial printer, or other devices that use a serial connector.
Related topics
• "Lock the computer" on page 17.
• "Connect an external display" on page 11.
• "USB specifications" on page 5.
• "Enable or disable the smart power-on feature (for selected models)" on page 25.
™
2. DisplayPort out connector
4. Ethernet connector
6. USB 3.2 connector Gen 1 (with smart power-on
feature)
8. Security-lock slot
®
10. VESA threaded holes (screws: M4 x 8 mm, 4 pcs)
.
Chapter 1 Meet your computer
3