F81867
a specially designed low power CMOS flip-flop
backed by the battery for case open state
preservation during power loss.
Analog GND for thermal diode/transistor
temperature.
3VSB
3VSB
3VSB
89
90
91
D-
D2+
AIN
AIN
AIN
Thermal diode/transistor temperature sensor
input.
CPU thermal diode/transistor temperature
sensor input. This pin is for CPU use.
Voltage reference output.
D1+(CPU)
3VSB
3VSB
92
93
VREF
VIN4
AOUT
AIN
Voltage Input 4.
Voltage Input 3. Support OVP & UVP function,
and default is disable alarm mode.
Voltage Input 2. Support OVP & UVP function,
and default is disable alarm mode.
Voltage Input for Vcore.
3VSB
3VSB
94
95
VIN3
VIN2
AIN
AIN
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).
OOD12,5v
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 Function
Pin No.
Pin Name
KBRST#
Type
PWR
Description
Keyboard reset. This pin is high after system
reset. Internal pull high 3.3V with 10k Ω.
Gate A20 output. This pin is high after system
reset. Internal pull high 3.3V with 10k Ω.
PS/2 Keyboard Data.
34
35
OD16,u10
OD16,u10
3VCC
3VCC
GA20
63
64
KDATA
KCLK
I/OD16st,5V I_VSB3V
I/OD16st,5V I_VSB3V
I/OD16st,5V
PS/2 Keyboard Clock.
PS/2 Mouse Data.
MDATA
61
62
I_VSB3V
I2C Interface CLOCK pin. Clock output for AMD
TSI & Intel PCH (IBX Peak).
PS/2 Mouse Clock.
SCL
Ilv/OD16st, 5v
MCLK
I/OD16st,5V I_VSB3V
23
Dec, 2011
V0.12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
