Acer Aspire T670 Aspire T670 and Power Fe Service Guide - Page 86
F_ USB1 / F_USB2 (Front USB Connector), CLR_CMOS (Clear CMOS
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F_ USB1 / F_USB2 (Front USB Connector) Be careful with the polarity of the front USB connector. Check the pin assignment carefully while you connect the front USB cable, incorrect connection between the cable and connector will make the device unable to work or even damage it. Illustrator PIN No. 1 Definition Power 2 Power 9 1 10 2 3 USB DX- 4 USB Dy- 5 USB DX+ 6 USB Dy+ 7 GND 8 GND 9 No Pin 10 NC CLR_CMOS (Clear CMOS) 1 Open: Normal 1 Short :Clear CMOS AE AE Chapter 5 82