Lenovo ThinkPad T420si (English) User Guide - Page 32

Universal Serial Bus USB connectors, Always On USB connector

Page 32 highlights

• mSATA solid state drive (on some models) Display The color display uses TFT technology: • Size: 14.01 inch (355.6 mm) • Resolution: - LCD: Up to 1600-by-900, depending on the model - External monitor: Up to 2048-by-1536 • Brightness control • ThinkLight • Integrated camera (on some models) • Multitouch panel (on some models) • Built-in microphones (on some models) Keyboard • 89-key, 90-key, or 94-key • UltraNav (TrackPoint and multi-touch touch pad) • Fn key function • ThinkVantage button • Volume control buttons • Speaker mute button • Microphone mute button Interface • External monitor connectors (VGA and DisplayPort) • Combo audio jack (stereo headphone or headset) • 2 Universal Serial Bus (USB) connectors • 1 Always On USB connector • RJ45 Ethernet connector • Serial Ultrabay Slim • Smart card reader (on some models) • Docking connector Combination card slot for ExpressCard or flash media card • 34mm ExpressCard or 4-in-1 digital media card reader Optical drive • Multi-Burner drive Wireless features • Integrated wireless LAN • Integrated Bluetooth (on some models) • Integrated wireless WAN (on some models) 16 User Guide

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mSATA solid state drive (on some models)
Display
The color display uses TFT technology:
Size: 14.01 inch (355.6 mm)
Resolution:
LCD: Up to 1600-by-900, depending on the model
External monitor: Up to 2048-by-1536
Brightness control
ThinkLight
Integrated camera (on some models)
Multitouch panel (on some models)
Built-in microphones (on some models)
Keyboard
89-key, 90-key, or 94-key
UltraNav (TrackPoint and multi-touch touch pad)
Fn key function
ThinkVantage button
Volume control buttons
Speaker mute button
Microphone mute button
Interface
External monitor connectors (VGA and DisplayPort)
Combo audio jack (stereo headphone or headset)
2 Universal Serial Bus (USB) connectors
1 Always On USB connector
RJ45 Ethernet connector
Serial Ultrabay Slim
Smart card reader (on some models)
Docking connector
Combination card slot for ExpressCard or flash media card
34mm ExpressCard or 4-in-1 digital media card reader
Optical drive
Multi-Burner drive
Wireless features
Integrated wireless LAN
Integrated
Bluetooth
(on some models)
Integrated wireless WAN (on some models)
16
User Guide