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2-10
SMB: System Management Bus Connector
master gets priority.
Note: Watch the pin position and the orientation
RT2 header
JP1 Jumper
CX6
This connector is reserved for system
management bus (SMBus). The SMBus is a
specific implementation of an I
a multi-master bus, which means that
multiple chips can be connected to the same
bus and each one can act as a master by
initiating a data transfer. If more than one
master simultaneously tries to control the
bus, an arbitration procedure decides which
The RT2 is for you to connect an additional
thermistor to detect the temperature in the
location of your choice. You can buy the
thermistor at an electronics store, and ask for
a 10KΩ thermistor which should be OK.
Please don't use too long of a lead wire for
the thermistor.
This jumper is reserved for CPU frequency
strap setting.
Chapter2
2
2
C bus. I
C is
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