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14. CN14: Digital I/O Connector
This Digital I/O port is managed through VIA’s VT82C686B Southbridge. The first table
below shows the CN14 port pinouts. The second table displays the referential pin connection
to the I/O chip.
Table 2-16 CN14 Digital I/O Connector Pinouts
PIN DESCRIPTION PIN DESCRIPTION
1 GND 2 +5V
3 DIO_IN0 4 DIO_OUT0
5 DIO_IIN1 6 DIO_OUT1
7 DIO_IN2 8 DIO_OUT2
9 DIO_IN3 10 DIO_OUT3
Table 2-17 Digital I/Os to Southbridge Reference Chart
PIN CN14 PINS
SOUTHBRIDGE
PINS
DESCRIPTION
1 GND - -
3 DIO_IN0 SDD6/JBY -
5 DIO_IIN1 SDD7/JBX -
7 DIO_IN2 BATLOW/GPI2 Connect to 10K-ohm pull-up to +3.3V
suspend power if the function is not applied.
9 DIO_IN3 SM BALT/GPI6
Connect to 10K-ohm pull-up to +3.3V
suspend power if the function is not
applied.
Connect to 4.7K-ohm pull-up to +3.3V.
PIN CN14 PINS
SOUTHBRIDGE
PINS
DESCRIPTION
2 +5V - -
4 DIO_OUT0 GPIOA/GPIO8 Connect to 2.2K-ohm series resistor.
6 DIO_OUT1 Fan2/GPIOB/GP
10
Connect to 10K-ohm pull-up to +3.3VBAT
power if no multiplexed function is applied.
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