Installation Instructions
Manual for P7B series
13
4 Pin SMBus Connector(SMBUS)
This connector allows you to connect SMBus devices. SMBus devices communicate
through the SMBus with an SMBus host and/or other SMBus devices. The SMBus or
System Management Bus is a specific implementation of I
2
C bus, which is a multi-master
bus, that is, multiple chips can be connected to the same bus and each one can act as a
master by initiating data transfer.
SMBUS Connector
Smart Card Reader Connector( SCR )(Optional)
The SCR includes a standard UART to control Smart Card interface handshaking and then
performs data transfers. The SCR can be used for a broad range of applications in GSM, ID,
pay TV, banking and so forth. It also provides a Smart Card clock divider for those ICC
(Integrated Circuit Card) without internal clocks. If use this function, set “UART Mode Select”
to SCR in the “INTEGRATED PERIPHERALS” section of the BIOS.
1 2 3 4
SMBDA
T
A
SMBCLK
5VSB
GND
1
SCRST#
J3
VCC
NC
NC
SCPWCTL#
SCIO
GND
LED
SCPSNT
SCCLK
