Design Guide

ManualsBrandsIntel ManualsOtherIntel Celeron Processor 1.40 GHz, 256K Cache, 100 MHz FSB

A

A

B

B

C

C

D

D

E

E

4 4

3 3

2 2

1 1

Layout Note:

Place 75 ohm resistors near connector.

Use 37.5 ohm traces from GMCH to 75

ohm resistors.

4.401

DAC (CRT) Connector

A

17 50Monday, September 15, 2003

Intel 855GM/GME CRB <Doc>

Title

Size Document Number Rev

Date: Sheet

of

Project:

DAC_L_HSYNC

DAC_L_RED

DAC_L_BLUE

DAC_L_GREEN

DAC_Q_RED

DAC_BLUE

DAC_GREEN

DAC_RED

DAC_L_VSYNC

DAC_QA_DDCACLK

DDC_OE1#

+V5S_L_DAC

DAC_Q_GREEN

DAC_Q_VSYNC

DAC_Q_BLUE

DAC_QPCIEN

DAC_QPCIEN

DOCK_Q_HSYNC

DOCK_Q_VSYNC

DDC_SRC

DDC_OE2#

DAC_QA_DDCADATA

DDC_GATE

DAC_Q_RED

DAC_Q_GREEN

DAC_Q_HSYNC

DAC_Q_BLUE

DDC_VCC

DAC_QPCIEN

DOCK_Q_HSYNC

DAC_Q_HSYNC

DAC_Q_VSYNC

DOCK_Q_VSYNC

+V1.5S_GMCH_ADAC9

DOCK_RED 25

DOCK_BLUE 25

DAC_VSYNC 7

DAC_VSYNC7

+V5S8,15,16,18,20,23..25,27,33..35,38..40,45,46

DAC_HSYNC 7

DAC_HSYNC7

DOCK_HSYNC 25

DOCK_GREEN 25

DOCK_VSYNC 25

+V5S_F_DAC+V5S8,15,16,18,20,23..25,27,33..35,38..40,45,46

DOCK_QPCIEN#24,25

DOCK_QPCIEN#24,25

DOCK_QPCIEN#24,25

DOCK_QPCIEN#24,25

DAC_BLUE 7

DAC_RED 7

DAC_GREEN 7

+V12S15,23,27,37,45

DAC_DDCADATA7,24

DAC_DDCACLK7,24

+V3.3S5,6,8,9,11,15,16,18,20,21,23,26,31,33..36,38..40,45

+V3.3S5,6,8,9,11,15,16,18,20,21,23,26,31,33..36,38..40,45

+V5S

+V5S

+V5S

C6N4

0.1UF

R3A1

75_1%

R3A5

75_1%

U6B2

SPDT

1

2

3

6

5

4

IN

V+

GND

SOURCE1 NO

COM

SOURCE2 NC

CR6D1 ESD DIODE ARRAY

1

2

4

8

6

5

73

I/O1

I/O2

I/O3

I/O6

I/O5

I/O4

VpVn

C3A8

3.3pF

C3A5

3.3pF

C6N1

0.1UF

U6B3

SPDT

1

2

3

6

5

4

IN

V+

GND

SOURCE1 NO

COM

SOURCE2 NC

C6B5NO_STUFF_3.3pF

C4A4

NO_STUFF_3.3pF

C6B4

NO_STUFF_3.3pF

R3A6

2.2k

R3A4 39

CR4B1

1N4148

13

R3A9 100

U6B6

SN74LVC2G125

1

2

3

4 5

6

7

8

OE1#

1A

2Y

GND 2A

1Y

OE2#

VCC

FB3A3

75Ohm@100MHz

1 2

+

F3A1

1.1A

1 2

R4A1

1K

C3A1

3.3pF

R3A2 39

R3A3

75_1%

R6B1 39

C6N6

NO_STUFF_3.3pF

C6N2

0.1UF

R6N1 39

C3A4

3.3pF

U6B4

SPDT

1

2

3

6

5

4

IN

V+

GND

SOURCE1 NO

COM

SOURCE2 NC

C3A7

3.3pF

C4A2

NO_STUFF_3.3pF

R3A7

2.2k

FB3A7

50OHM

1

2

U3H1F

74HC14

13 12

147

C6R2

0.1UF

U6B5

SN74LVC2G125

1

2

3

4 5

6

7

8

OE1#

1A

2Y

GND 2A

1Y

OE2#

VCC

C3A3

33pF

5%

J2A1C

CONN,MISC,49P,D-SUB,3-IN-1

40

35

41

36

42

37

43

38

44

39 49

48

47

46

45

U3A1

74CBT3306

1

2

3

4 5

6

7

8

OE1#

1A

1B

GND 2A

2B

OE2#

VCC

FB3A2

75Ohm@100MHz

1 2

C7B2

NO_STUFF_3.3pF

R3A10

4.7K

C6B2

NO_STUFF_3.3pF

C6B1

NO_STUFF_3.3pF

C6R1

0.1UF

R3A8 100

C6N5

0.1UF

R4A2

100K

C6R3

0.1UF

C3A6

33pF

5%

C3A9

0.1UF

C3A2

3.3pF

FB3A1

75Ohm@100MHz

1 2

C6N3

0.1UF

C6B3

NO_STUFF_3.3pF

Q3B1

3

1

2