MSI G52-M6570XA-G22 - Manual (Page 45)

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Hardware Setup
Bluetooth Connector: JBT1 (Optional)
This connector is used to connect a bluetooth module for wireless
connection.
PIN SIGNAL PIN SIGNAL
1 5VDUAL 2 3VDUAL
3 D+ (USB signal) 4 GND
5 D- (USB signal) 6 GND
7 GND 8 NC
Pin Definition
JBT1
7
8 2
1
MSI Reminds You...
Because the bluetooth connector shares the USB interface with
the onboard USB pinheader, the USB port covered by a sticker
will not function when you attach a bluetooth module to this
connector.