F81866A
Alert a signal when temperature over limit setting.
ALERT#
GPIO20
OD12,5v
General purpose IO.
I/OOD24st,5v
76
85
I_VSB3V
VBAT
I2C Interface CLOCK pin. Clock output for AMD TSI
& Intel PCH (IBX Peak).
Case Open Detection #. This pin is connected to a
specially designed low power CMOS flip-flop backed
by the battery for case open state preservation during
power loss.
SCL
Ilv/OD24st, 5v
COPEN#
INst,5v
Analog
GND
for
thermal
diode/transistor
3VSB
3VSB
3VSB
89
90
91
D-
D2+
AIN
AIN
AIN
temperature.
Thermal diode/transistor temperature sensor input.
CPU thermal diode/transistor temperature sensor
input. This pin is for CPU use.
D1+(CPU)
Voltage reference output.
3VSB
3VSB
92
93
VREF
VIN4
AOUT
AIN
Voltage Input 4.
Voltage Input 3. Support OVP & UVP function, and
default is disable alarm mode.
3VSB
3VSB
94
95
VIN3
VIN2
AIN
AIN
Voltage Input 2. Support OVP & UVP function, and
default is disable alarm mode.
Voltage Input for Vcore.
3VSB
3VCC
96
98
VIN1 (Vcore)
FANIN1
AIN
INst,5v
Fan 1 tachometer input.
Fan 1 control output. This pin provides PWM
duty-cycle output or a DAC voltage output (internal
pull down 100kΩ , default).
OOD12,5v
AOUT
FANCTL1
Power on Strapping pin:
1: PWM mode.
99
3VCC
3VCC
3VCC
PWM _DAC1
INst,5v
0: Default is DAC mode for FANCTL1 (internal pull
down 100kΩ ).
100
101
FANIN2
INst,5v
Fan 2 tachometer input.
Fan 2 control output. This pin provides PWM
duty-cycle output or a DAC voltage output (internal
pull down 100kΩ , default).
OOD 12,5v
AOUT
FANCTL2
Power on Strapping pin:
1: PWM mode.
PWM _DAC2
INst,5v
0: Default is DAC mode for FANCTL2 (internal pull
down 100kΩ ).
5.7 KBC & I2C Function
Pin
Pin Name
Type
PWR
Description
Keyboard reset. This pin is high after system reset.
Internal pull high 3.3V with 10kΩ.
34
KBRST#
OD16,u10
3VCC
Gate A20 output. This pin is high after system
reset. Internal pull high 3.3V with 10k Ω.
PS/2 Keyboard Data.
35
GA20
OD16,u10
3VCC
63
64
KDATA
KCLK
I/OD16st,5V
I/OD16st,5V
I_VSB3V
I_VSB3V
PS/2 Keyboard Clock.
22
Jan, 2012
V0. 12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
