Due to various layout of USB on each motherboard, we are unable to state each and everyone of them. It is highly suggested that you contact your motherboard manufacturer for more information. Below is a sample of different layout which are more common:   Mgfr: Asus M/N : A7V8X Motherboard USB Layout: USB +5V LDM 5 LDP 5 GND N/C (NO CONNECTION) * * * * * USB +5V LDM 6 LDP 6 GND * * * * USB Connection: (VCC 1)(DATA -1) (DATA +1) (GND 1) (N/C) * * * * * (VCC 2) (DATA -2) (DATA +2) (GND 2) * * * *     Other:Mgfr Motherboard USB Layout: USB +5V LDM 5 LDP 5 GND N/C (NO CONNECTION) * * * * * USB +5V LDM 6 LDP 6 GND * * * * USB Connection:   (VCC 1)(DATA -1) (DATA +1) (GND 1) (N/C) * * * * * (VCC 2) (DATA -2) (DATA +2) (GND 2)

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