User’s Manual

1. Power button. Press this button to turn on your computer.
2. Microphone port (pink). This port connects to a microphone.
3. Headphone port (lime). This port connects to a headphone or speaker.
4. 5.25 inch optical disk drive bay (optional). There is an optical disk drive in this bay.
5. Optical disk drive eject button. Press this button to eject the optical disk drive tray.
6. USB 3.1 Gen 1 ports. These ports connect to USB 3.1 Gen 1 devices such as a mouse, printer,
scanner, camera, PDA, and others.
7. USB 2.0 ports. These Universal Serial Bus 2.0 (USB 2.0) ports connect to USB 2.0 devices such
as a mouse, printer, scanner, camera, PDA, and others.
8. 3.5 inch drive bay. This 3.5 inch drive bay is for 3.5 inch hard disk drives / memory card
readers.
D640MA Front panel
SD/MMC/MS
Smart Card
USB 3.1 Gen 1 or Type-C port
(for data transfer only)
USB 3.1 Gen 1 port
14 Chapter 1: Getting started
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