F81865F View Datasheet(PDF) - Feature Integration Technology Inc.

Part Name

Description

Manufacturer

F81865F

Super IO with 6 UARTs

Feature Integration Technology Inc. 

R32 10K

VCORE

VIN0(Vcore)

VCC5V

R33 200K

R34 47K

R36 200K

+12V

VIN1

VIN2

R37 20K

R38 100K

VRAM

R39 100K

VIN3

VOLTAGE SENSING.

The best voltage input level is about 1V.

D1+

D1+

D+

C38 3300P

AGND(D-)

D-

D2+

D2+

AGND(D-)

C39 3300P

DIODE SENSING CIRCUIT

Q4

PNP

3906

from CPU

for

SYSTEM

VREF

D1+

VREF

D2+

R66 10K 1%

RT1

10K 1%

THERMISTOR

(for system)

R67 10K 1%

RT2

10K 1%

THERMISTOR

(for system)

THERMISTOR SENSING CIRCUIT

Temperature Sensing

FWH_DIS

C37

1uF

R35

100K

CHIPSET_RESET

Q3

MOSFET N

BIOS RESET CIRCUIT

VCC3V

VCC3V

VCC3V

R40

4.7K

SPI_CS0#

SWPI#_MISO

R77

R41

4.7K

1

2

3

4

U6

S#

Q

W#

VSS

VCC

HOLD#

C

D

VCC3V

4.7K

8

7 HOLD#

6

5

SPI_CLK

SPI FLASH MEMORY

R42

4.7K

SPI_MOSI

F81865

127

Title

Size

B

Date:

<Title>

Document Number

<Doc>

Friday , October 23, 2009

Sheet

Rev

0.1

4

of 4

May, 2010

V0.28P

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