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40 pin ASUS proprietary of Asus Transformer EeePad  TF101, TF201, TF300, SL201 40 pin cable connector layout
40 pin ASUS proprietary connector
at the cable or docking connector
USB and headset connections

 

Pin
Number
Pin
Name
Description
1,2,18,20,22,
24,39,40
  GND   Ground
3  Audio R   Earphone (right)
4,6,8   Vcc   
5   Audio L   Earphone (left)
7   Audio GND   Earphone GND
15   USB D-   
17   USB D+   
19   HOST USB D-   via double SMD resistor
21   HOST USB D+   via double SMD resistor
30   SENSE   Pin to GND via R=10Ohm to switch charger from 5/7.5V to 15V
31   ?   Pinned to GND via capacitor in cable?
33,35,37   ?   Tied together and pinned to GND via capacitor

Additional info:

 

According to 2 reports in our database (2 positive and 0 negative) this pinout should be correct.

Is this pinout
Asus Transformer EeePad TF101, TF201, TF300, SL201 40 pin cable visual pinout:click to enlarge
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