User’s Manual

D540MB
Power switch. Switch to turn ON/OFF the power supply to your computer.
Power connector. Plug the power cord to this connector.
RATING: 115/230Vac, 50-60Hz, 6/3A or
220-230Vac, 50Hz, 3A or
230Vac, 50Hz, 3A or
100-120Vac, 50-60Hz, 8A
PS/2 mouse port (green). This port is for a PS/2 mouse.
PS/2 keyboard port (purple). This port is for a PS/2 keyboard.
USB 3.0 ports. These Universal Serial Bus 3.0 (USB 3.0) ports connect to USB 3.0 devices
such as a mouse, printer, scanner, camera, PDA, and others.
• DONOTconnectakeyboard/mousetoanyUSB3.0portwheninstallingaWindows®
operating system.
• Windows®7requiresUSB3.0drivertobeinstalledbeforeusingUSB3.0devices.
• WestronglyrecommendthatyouconnectUSB3.0devicestoUSB3.0portsforafasterand
better performance from your USB 3.0 devices.
22 Chapter 1: Getting started
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