MiTAC 8170 用户手册

151

8170 N/B MAINTENANCE

System Reset Check

8.3 No Display

VCC

GND

RESET#

3

1

2

-H8_RESET

U508

Micro

Controller

H8/F3437

8170

Power

Module

1

14

-POWERBTN

1

3

2

23

Easy Start
Button

5

J5

P

19

4

59

9

37

+5VA

L520

36

H8_VDD5

P

19

+5VA

U10

MAX809

H8_PWROK

H8_PWRON

P

19

R617 1K

-PWRSW

D505
BAV99

+5VA

C634
.01U

L

eve

l Shif

t

5

21

4

U13

SN74CBTD3384

PWROK

18

-H8_ICH2BIN

Q513
DTC144TKA

+5V

-PWRBTN

+5V

R100
10K

C181
1U

-RSMRST

Tr>10ms

2

3

R627 1M

X503 16MHZ

C633
68P

C630
68P

U17

ICH2

82801BA

U1

Pentium 4

H_PWRGD

-PCIRST

-PCIRST

U3

MCH
82845

U516

VGA

M6

U4

LANPHY

U509

PC87393

-PCIRST

-PCIRST

9

Q15

DTC144TKA

A
B
GNT

VCC

Y

4

+3V

5

+3V_ICH

U16

R158
4.7K

1
2
3

115

-CPURST

J10

Secondary

EIDE

Connector

R56 33

R55
33

J14

Primary

EIDE

Connector

1

5

-BRSTDRV1

-BRSTDRV2

-CDROM_RST

-HDD_RST

P

13

P

13

P

10

P

18

-PCIRST_MSK

U7

PCI14410GHK

-PCIRST_N

A

Y

+3V

VCC

5

1

4

-CBRST

P

15

U8

NC7S08

NC7S08

P

7

P

4

P

14

P

14