Acer Veriton 7500G Veriton 3500G/5500G/7500G Service Guide - Page 21

The system has two microphone-in ports front and rear. However, you can not use both of them - audio

Page 21 highlights

Label 11 12 Icon Color Black escription Telephone line port Light blue Audio-in/Line-in jack 13 Lime Audio-out/Line-out jack 14 Pink Microphone-in port (rear)** 15 Black USB ports 16 Purple PS/2 keyboard port 17 Power cord socket 18 Power supply NOTE: * The CRT monitor port is automatically disabled when an add-on AGP VGA card is installed into the system. Connect the monitor to the VGA port instead. (Available for S88M/ G) NOTE: ** The system has two microphone-in ports (front and rear). However, you can not use both of them at the same time. The default setting for your system enables the microphone-in port in front and disables the one at the back. Chapter 1 11

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