15. Air vents. These vents allow air ventilation.
DO NOT block the air vents on the chassis. Always provide proper ventilation for your
computer.
16. VGA port. This port is for VGA-compatible devices such as a VGA monitor.
17. Pad lock slot. This pad lock slot allows your PC to be secured using a standard pad
lock.
18. Parallel port (optional). This 25-pin port connects a parallel printer, a scanner, or
other devices.
19. Serial port (optional). This 9-pin COM port is for pointing devices or other serial
devices.
ASUS Desktop PC
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ENGLISH
ENGLISH