User Manual

Features and specifications
Hardware configuration
1. Right-click the Start button to open the Start context menu.
2. Click Device Manager. Type the administrator password or provide
confirmation if prompted.
Electrical input
Input voltage: From 100 V ac to 240 V ac
Input frequency: 50/60 Hz
Adaptability for power supply
Mainland China: 220 V±22 V, 50 Hz±1 Hz
Adaptive voltage positioning: 90 V to 264 V, 50/60 Hz
With voltage selection switch: 90 V to 264 V, 50 Hz±1 Hz
Microprocessor
To view the microprocessor information of your computer, right-click the Start
button and then click System.
Memory Double data rate 4 (DDR4) small outline dual in-line memory module (SODIMM)
Storage device
2.5-inch form factor, 7-mm (0.28-inch) height storage drive
M.2 solid-state drive
Intel
®
Optanememory*
To know the storage drive capacity of your computer, right-click the Start button
and then click Disk Management.
Note: The storage drive capacity indicated by the system is less than the nominal
capacity.
Display features
Color display with Thin Film Transistor (TFT) technology
Color display with Wide Viewing Angle (WVA)
Display size:
609.6 mm (24 inches)
685.8 mm (27 inches)
Display resolution:
1920 x 1080 pixels (24 inches)
2560 x 1440 pixels (27 inches)
Multi-touch technology*
The integrated graphics card supports the following:
HDMI 1.4 in connector
HDMI 1.4 out connector
The optional discrete graphics card provides an enhanced video experience
and extended capabilities.
Audio features
The integrated audio card supports the following:
Combo audio jack
Integrated microphones
Internal speakers
The optional discrete audio card provides an enhanced audio experience and
extended capabilities.
8 IdeaCentre A540 Series User Guide