Desktop Motherboard K7S8X Schematics

ATX Power

DDR x3

1394
Interface

CLK GEN.

PAGE:6

DDR CLK
BUF.

PAGE:7

PAGE:
14,15,16

Primary/Secondary IDE

PAGE:25

6 USB1.1

PAGE:34

PAGE:28

MEM BUS

MII

AMD K7

SOCKET A

HOST BUS

North Bridge

SiS746

South Bridge

SiS963

CPU

462P

PAGES
10,11,12,13

V-Link BUS

PAGE: 8,9

AC-LINK

K7S8X

AGP Slot

AGP BUS

PAGE:17

PCI BUS

AMR for
Modem

PAGE:34

AC97 Codec

Revision:

1.02
12/25

PCI Slot * 6

PAGE: 22,23

MIC

Line
In

+5VSB
+3.3V
+5V

+12V

-5V

-12V

CPU DC/DC

ST 6917B

INPUT
+12V

OUTPUT

+1.85V~1.1V

System

Regulator

INPUT
+5VSB

+3V
+3V VDDQ

+3V_DUAL

+2.5V_DUAL

OUTPUT
+3VSB

+2.5V_DUAL

VTT_DDR

PAGE:3,4

PAGE:5

PS/2
KB,Mouse

PAGE:30

Parallel Port

PAGE:30

Serial Port * 1

PAGE:30

FDD

PAGE:30

PHY

RTL8201

PAGE:24

PAGE:18,19,20,21,21

LPC

Super I/O

Winbond

83697

PAGE:29

PAGE:26

SMBUS

S3/Power
On Logic

PAGE:31, 32

Flash/Panel
FAN

JoyStick

PAGE:27

http://laptop-motherboard-schematic.blogspot.com/

PAGE:33

Line
Out

0830a

PAGE:27

PCB LAYER

L1 : Component (S1)
L2 : GND
L3 : VCC
L4 : Component (S4)

Title :

Asustek Computer INC.

Size Project Name

A4

Date: Sheet of

Engineer:

K7S8X

PAGE:4

BLOCK

Jason Chou

Rev

1.02

135Wednesday, December 25, 2002

Sheet Index

Revision History

Sheet Sheet Name Description

1

BLOCK

2

HISTORY
ATXPWR-1

3

ATXPWR_2

4
5

CPUPWR DC/DC FOR CPU
CLOCK

6
7

CLOCK BUFFER DDR CLOCK BUFFER
CPU_1

8

CPU_2

9

SIS746_HOST AG P

10

SIS746_MEMORY

11

SIS746-MULTI-IO

12
13

SIS746-POWER

14

DDR-DAMPING
15
16

DDR DIMM DDR DIMM3

AGP Slot

17
18

SIS963-PCI-IDE-MIO
19

SIS746-MISC
20

SIS746-USB
21

SIS746-POWER
22

PCI SLOT 1,2,3 PCI SLOT 1,2,3
23

PCI SLOT 4,5,6 PCI SLOT 4,5,6
24

PHY:RTL8201

IDE

25

AC97

26
27

AUDIO-CON AUDIO C0N, GAME PORT

USB PORT

28
29

W83697HF

IO COIN

30

POWER ON/S3

31
32

ROM/PANEL
33 AMR AMR SLOT
34351394 PHY 1394 PHY INTERFACE

SCREW ATX SCREW

ARCHITECTURE BLOCK DIAGRAM
HISTORY OF MAIN BOARD VERSION
ATX Power Conn(+3.3V, +5V, +12V)
ATX POWER Conn

CLOCK GENERATOR (MAIN CLOCK)

CPU (AMD SOCKET 462)
CPU (AMD SOCKET 462)

DDR DAMPING RESISTOR
DDR DIMM1,2DDR DIMM

AGP 8X Slot(Universal)

IDE1 IDE2 CONN
AUDIO CODEC

USB PORT 2&3, 4&5
SIO-W83697HF
PS2KB/MS, FDD, COM1&2, PARALLEL

Date Change Note

Version

AFTER SWAPPING08/28
ADD HAINCLK# LCL
CHANGE CN TO C0603

http://laptop-motherboard-schematic.blogspot.com/

0830a

Title :

Asustek Computer INC.

Size Project Name

A3

Date: Sheet

Engineer:

K7S46

HISTORY

Jason Chou

235Wednesday, December 25, 2002

of

Rev

1.00

12

C111
Do Not Stuff

/

+5VSB

1 2
12

R59

8.2K

PSON_OUT# 4,9

C109
Do Not Stuff

/

+5VSB

12

C86
Do Not Stuff

/

+3VSB

D21

1N4148W

R2454

1 2

1K

12

R154
100K

12

+

CE40
10U

12

12

C2991

1U

AUXOK 12,19,24

ATX POWER

+3V+12V +3V -12V+5V+5V+5VSB

PWROK_PS31

12

C83
Do Not Stuff

/

+12V -12V

12

12

C85

C84

Do Not Stuff

Do Not Stuff

/

/

12

C113
Do Not Stuff

/

10

1
2
3
4
5
6
7
8
9

12

+3V1
+3V2
GND1
+5V1
GND2
+5V2
GND3
PWR0K
5VSB
+12V

20P

C114
Do Not Stuff

/

2122

ATXPWR1

hold1hold2

+5V

12

+3V3

-12V
GND4
PSON
GND5
GND6
GND7

-5V
+5V3
+5V4

C87
Do Not Stuff

/

11
12
13
14
15
16
17
18
19
20

12

C112
Do Not Stuff

/

Around the ATX Power Connector

BATT

+3VSBBAT1 BATT

BAT2

12

BAT1

BATT

12

R105 1K

This 220 OHM is to prevent Diode burn when
clear CMOS. The resulted Low is low enough or
not should be calculated.

CLRCMOS2

D5

1
2

RB715F

1
2

HEADER_1X2P

GND GND GND

+3V_DUAL

12

CB266

0.1U

/

U994

APL1581

D22

12

1N4148W

12

C2295

0.1U

R62

1 2

100K

BATOK 19

12

C2296

0.1U

3

R145
220

1 2

CLRCMOS1

Do Not Stuff

/
R0805

1 2

/dual vccm

VCONTROL

VOUT

VSENSE

6

NC

5

VIN

4
3
2

ADJ

1

+5VSB

Vref

12

CB265

0.1U

/

VCCM

12

CB267

0.1U

/

0830a

Title :

Asustek Computer INC.

Size Project Name

A3

Date: Sheet

Engineer:

K7S46

ATXPWR_1

Jason Chou

335Wednesday, December 25, 2002

of

Rev

1.00

1 2

1 2

R2500

100

/dual vccm

R2502

113

/dual vccm

http://laptop-motherboard-schematic.blogspot.com/

+5VSB

+2.5VREF

+2.5VREF

+1.8VREF

+1.25VREF

GND

R186

1 2

R0603

220

U32

3

ANODE2

6

ANODE3

7

ANODE4

1

CTHD

LM431

+2.5VFB

GND

+5VAFB

+1.8VFB

VDDQFB

1

1

B

1

B

R0603

B

1

VCCM

GND

+3VSB

B

1
2
3
4
5
6
7

1 2

2
C

E
3

3
E

C
2

3
C

E
2

GND

U991

OUT_1
IN_1­IN_1+
V+
IN_2+
IN_2­OUT_2

LM324MX

R2487

0

Q2207
2SD2150

SOT89
07-003055010

Q2208
2SB1424

SOT89

complementary to 2SD2150

Q2213
MMBT3904R-DK

SOT23

2
E

Q2225

MMBT3906R-DK

C

3

OUT_4

IN_4-

IN_4+

GND

IN_3+

IN_3

OUT_3

14
13
12
11
10
9
8

VTT_DDR

+1.8VSB

+3V_DUAL

B

1

Title :

Engineer:

K7S46

GND

3
E

Q14

2SB1202T

C
2

+3VSBDRV
+2.5VREF
+3VSBFB

VCCMFB
+2.5VREF
VCCMDR V

VCCM

ATXPWR_2

Jason Chou

435Wednesday, December 25, 2002

of

Rev

1.00

2.5VDRV

+2.5VREF

82

REFANODE1

4

NC1

5

NC2

+

2.5VDRV

-

R2446

1 2

0

12

R2447
1K

/

GND

R0603

+

+5VADRV

-

12

R2367
1K

5%

GND

+1.8VDRV

+

-

R2452

1 2

12

0
R2453
1K

/

R0603

VDDQDRV

+

-

12

R2374
1K

5%

GND

1

12

C18

1U

1

R2366

1K

5%

R203

1 2

200

1%

Q2212

12

GND

1

B

1

1

3

2

G

G

G

Q2218
GS431N

to92_rd1

/

+3V

3

D

Q5
2N7002

S

2

+12V

3
C

MMBT3904R-DK

E
2

+3V

2

D

Q16 IPD14N03L

S

3

12

+

CE41
1000U

GND

+3V

2

D

Q18
IPD14N03L

S

3

12

+

CE44
1000U

12

to252

CB249

0.1U

+2.5V

12

VDDQ

CB252

0.1U

+1.8V

+5VA

VCCM

VTT_DDR

12

+

CE23
Do Not Stuff

+2.5VREF

12

+

CE27
1000U

12

+

CE32
Do Not Stuff

/

12

+

CE42
1000U

12

+

CE33
Do Not Stuff

+3VSBFB

+2.5VFB
+2.5VREF

+12V

+2.5VREF
+5VAFB
+5VADRV

R2363
1K

+2.5VREF

12

+

CE24
1000U

5%

1 2

Used to Shutdown VTT_DDR during S3

PSON_OUT#3,9

12

+

CE26
1000U

/

+3VSBDRV

+

-

12

R2371
1K

5%

GND

1
2
3
4
5
6
7

U990

OUT_1
IN_1­IN_1+
V+
IN_2+
IN_2­OUT_2

LM324MX

OUT_4

IN_4-

IN_4+

GND

IN_3+

IN_3

OUT_3

GND

12

R2364
1K

5%

+1.8VDRV

14

+1.8VFB

13

+1.8VREF

12
11

+1.25VREF

10

VDDQFB

9

VDDQDRV

8

GND

+1.25VREF

12

CB250

0.1U

/

3

D

1

G

S

2

GND

12

Q2226
2N7002

GND

VTT_DDRFB

R2448
1K

5%

1 2

R2449
1K

/

+5VSB

+

-

http://laptop-motherboard-schematic.blogspot.com/

+2.5VREF

R3VSBDRV

1

B

R2370

1 2

390

5%

1 2

R41 100Ohm

1 2

R38 100Ohm

1 2

1 2

3

33Ohm

C

Q2224
MMBT3904R-DK

E

SOT23

2

R2368

390

R2485

5%

RR3VSB

GND

12

R2369
1K

5%

+2.5VREF

1

B

12

+5VSB

CB253

0.1U

/

2
C

Q2214

E

2SD1802

3

12

+

CE6
100U

/

12

GND

+1.8VREF
+1.8VSBFB

1 2

R2451
1K

/

VCCMFB

12

+

+

-

R2450

0

R0603

+

-

+3VSB

12

12

+

CE48
1000U

12

CE30

1000U

/

C242

0.1U

C241

0.1U

/

+1.8VSBDRV

GND

VTT_DDRDRV
VTT_DDRFB
+1.25VREF

+1.8VREF
+1.8VSBFB
+1.8VSBDRV

+3V

R2488

0

/

1 2

VTT_DDRDRV

+3VSB

R2486

1 2

220

VCCMDRV

R23

1 2

80.6

R24

1K

1 2

+3VSB

0830a

Asustek Computer INC.

Size Project Name

A3

Date: Sheet

+5VSB

R64010R0603

/vcore 5110

VCOREFB+8

VCOREFB-8

1%

R639 82.5K

U56

1

5VSB

2
3
4
5
6
7
8

9
10
11
12
13
14 15

R53

0

/vcore L6917

+5V

1 2

1 2
VCORE

ADJ

SELECT

VFB-

VID0

VFB+
VID1
VID2
VID3
VID4
BYPASS
AGND
LDRVB
PGNDB
SWB
HDRVB
BOOTB BOOTA

R56
Do Not Stuff

/

RT

ENABLE/SS

DROOP/E

ILIM

PWRGD

VCC

LDRVA

PGNDA

SWA

HRDVA

FAN5110

/vcore 5110

12

C535 1UCAP 1UF/25V (0805) Y5U (105)

/vcore 5110

SGND

R37

10Ohm

/vore 5110

1 2

D3

12

RLS4148

/vcore L6917

C102

0.1U

U8

1
2
3
4
5
6
7
8
9

10
11
12
13
14 15

L6917B

R55

82.5K

1%

28
27
26
25
24
23
22
21
20
19
18
17
16

+12V

12

LGATE1
VCCDR
PHASE1
UGATE1
BOOT1
VCC
GND
COMP
FB
VSEN
FBR
FEG

OSC/NH/FAULT
ISEN1
PGNDS1 PGNDS2

VRMVCC

300K- 12.91*10^7/1.3*10^6

= 300K - 100K = 200K (Hz)

C117

VSE1

1 2

Do Not Stuff

/

R51 1.2K

1 2

HVID[0:4]8

R643

2.7K

/

FAN_VSB
SEL_F
HVID0
HVID1
HVID2
HVID3
HVID4
BYPASS_F

SGND

LGATE2
PGNDF_2
PHASE2
UGATE2

BOOT_F

1

3

2

D15BAT54C

/vcore 5110

/vcore L6917

LGATE1
VCCDR
PHASE1

12

1U

12

VCOMP_1

1 2

UGATE1
BOOT1
VRMVCC

C108

VCORECOMP
FB
VSEN
VCOREFB+
VCOREFB­ISEN1
PGNDS1

Note: SGND at least
15 mil.

SGND

1 2

VCORECOMP

R52
10K

C116

0.022U

FB

R87

1 2

Do Not Stuff/

R77

1 2

Do Not Stuff/

12

12

R642

2.7K

C531

/

0.1U

1 2

/vcore 5110

1 2

12

C533

0.1U

/vcore 5110

+12V

+5VSB VCORE

+12V

/vcore L6917

R40

10

R0603
/vcore L6917

1 2

12

C107

1U

/vcore L6917

CAP 1UF/25V (0805) Y5U (105)

C104

15P

1 2

VCOREFB­FB_F
RT_F
SS_F
DROOP_F
ILIM_F

VCCDR
LGATE1
PGNDF_1
PHASE1
UGATE1

D14

1
2

BAT54S

/vcore 5110

R2512

1 2

LGATE2
PHASE2
UGATE2

BOOT2

PGOOD

1 2

PGND

ISEN2

/vcore 5110

12

R645
390K

/vcore 5110

1 2

R647

4.32K

/vcore 5110

1 2

PUN_F

3

10Ohm

/vcore L6917

D2

RLS4148

/vcore L6917

28
27
26
25
24
23
22

VID4

21

VID3

20

VID2

19

VID1

18

VID0

17
16

1 2

R31 649K

/vcore L6917

R50 Do Not Stuff

/

12

HVID0
HVID1
HVID2
HVID3
HVID4

1 2

12

SGND

C70

12

C532

0.1U

/vcore 5110

C536

PF_2

0.1U

/vcore 5110

0.1U

/vcore L6917

LGATE2
PHASE2
UGATE2
BOOT2

HVID4
HVID3
HVID2
HVID1
HVID0
VCORE_EN
ISEN2
PGNDS2

VSEN

7 8
5 6
3 4
1 2

1 2

/

R646
120K

1 2

/vcore 5110

1 2

PHASE2

Do Not Stuff
Do Not Stuff

/
/

Do Not Stuff
Do Not Stuff

/

R30Do Not Stuff

R648

4.7Ohm

/vcore 5110

+2.5V

RN12D
RN12C
RN12B
RN12A

/

R641

1 2

4.7Ohm

/vcore 5110

R644
1KOhm

/vcore 5110

1 2

UGATE1

PHASE1

LGATE1

UGATE2

PHASE2

LGATE2

PHASE1

1 2

PHASE2

1 2

Snubber Circuit
Place near Drain

to Source of
low-side
MOSFET

VCOREFB+

1 2

0

R0805

1 2

0

R0805

R651
1

/X

Reserved

R652
1

/X

Reserved

R44

R42

1 2

1 2

CPU DC/DC

RUGATE1

RLGATE1

R35

0

R0805

R39

0

R0805

C538

0.1U

/X

1 2

Reserved

C539

0.1U

/X

1 2

Reserved

PGNDF_1

PGNDF_2

GND

1 2

/vcore 5110

RUGATE2

RLGATE2

1 2

/vcore 5110

R426,R427,R428,R429 Close to PWM Contro l le r

R6490

12

R6500

L+5V

C534
10U

/vcore 5110

1

G

1

G

12

12

12

+

+

CE11

CE8

1500U

1500U

21

12

+

CE15
3300U/6.3V

PHASE1

PHASE2

CONNECT TO L-M O S ' s Dra i n
pin

CONNECT TO L-MOS's Source
pin

CONNECT TO L- MOS' s
Drain pin

CONNECT TO L-MOS's Source
pin

2

3

2

3

1

G

1

G

ISEN1

PGNDS1

ISEN2

PGNDS2

D

S

D

S

2

D

3

2

D

3

Q3
IPB05N03L

/dual_layout

Q4
IPB05N03L

/dual_layout

Q2
IPB05N03L

S

/dual_layout

Q1
IPB05N03L

S

/dual_layout

R49 8.2K

1 2

R48 8.2K

1 2

R33 8.2K

1 2

R32 8.2K

1 2

+

CE9
1500U

L20

1.6UH/30A

L19

1.6UH/30A

12

C537
10U

/vcore 5110

21

http://laptop-motherboard-schematic.blogspot.com/

0830a

<OrgName>

Size Project Name

A3

Date: Sheet

12

+

CE10
1500U

12

12

+

CE14
3300U/6.3V

/

+

CE13
3300U/6.3V

Title :

Engineer:

K7S46

L17

1UH/16A

12

+

CE16
3300U/6.3V

12

+

CE17
3300U/6.3V

+5V

21

CPUPWR

Jason Chou

535Wednesday, December 25, 2002

of

Rev

101

+3V CLK_+3V

L21

120 OHM/100MHZ

12

C127
Do Not Stuff

/

C73

1 2

10P

X3

12

14M_XIN 14M_XOUT

12

C77
Do Not Stuff

/

48M_SB
24M_SIO
PCLK_SB
PCLK_SIO
PCLK_S1
PCLK_S2
PCLK_S3
PCLK_S4
PCLK_S5

PCLK_S6

14M_SB

APICCLK_SB
APICCLK_CPU
CHCLK_CPU
CHCLK_CPU#
HCLK_NB

66M_NB

66M_AGP

ZCLK_NB

ZCLK_SB

GND

3

14.318MHZ

21

12

C78
Do Not Stuff

/

C92

12

Do Not Stuff

/

C100

12

Do Not Stuff

/

C121

12

Do Not Stuff

/

C76

12

Do Not Stuff

/

C96

12

5P

/

C124

12

Do Not Stuff

/

12

C91

0.1U

C82

12

Do Not Stuff

/

C97

12

Do Not Stuff

/

C115

12

Do Not Stuff

/

C2297

12

5P

/

C74

12

Do Not Stuff

/

C89

12

Do Not Stuff

/

C122

12

Do Not Stuff

/

C2306

12

5P

/

12

C79

0.1U

14M_AC9726

14M_SB19

ZCLK_NB12
ZCLK_SB18

PCLK_SB18
PCLK_SIO29
PCLK_S122
PCLK_S222

PCLK_S322
PCLK_S423
PCLK_S523
PCLK_S623

C81

12

Do Not Stuff

/

C95

12

Do Not Stuff

C103

12

Do Not Stuff

/

C71

12

Do Not Stuff

/

C80

12

Do Not Stuff

/

C99

12

5P

/

CY28372/ICS952701

12

12

C101

C106

0.1U

0.1U

12

12

C126

C125

0.1U

0.1U

R2501 47

1 2

/9739_14MCLK

1 2

47

3 4

47

5 6

47

7 8

47

1 2

47

3 4

47

5 6

47

7 8

47

1 2

47

3 4

47

5 6

47

7 8

47

RFS4 FS4
RPCLK_SIO
RPCLK_SB
RFS1

RN2216A

RN2216C

RN2216D

RN2215A
RN2215B
RN2215C
RN2215D

RN2218A
RN2218B
RN2218C
RN2218D

R14M_SB
RFS1
RFS4

14M_XIN
14M_XOUT

RZCLK_NB
RZCLK_SB

RPCLK_SB
RPCLK_SIO
RPCLK_S1
RPCLK_S2

RPCLK_S3
RPCLK_S4
RPCLK_S5
RPCLK_S6

1 2

2.7K

3 4

2.7K

5 6

2.7K

7 8

2.7K

R292.7K

RN11A
RN11B
RN11C
RN11D

12

CLOCK Generator

Note: The Voltage of Watch Guard Cap
depends on the power plane nearby.

U30

1

VDD_REF

2

FS0/REF0

3

FS1/REF1

4

REF2

5

GND_REF

6

XIN

7

XOUT
GND_Z
ZCLK0
ZCLK1
VDD_Z
PCI_STP#
VDD_PCI_1
FS2/PCI_F0
FS3/PCI_F1
PCI0
PCI1
GND_PCI_1
VDD_PCI_2
PCI2
PCI3
PCI4
PCI5
GND_PCI_2

CY28372

VDD_CPU_1

VDD_CPU_2

PWR_DWN#

8

9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

FS3

FS2

FS1

FS0R14M_SB

FSB_SEL0HEADER_1X3P

1
2
3

VDD_APIC

IOAPIC1

IOAPIC0
GND_APIC
CPU_STP#

CPU_1T

GND_CPU

CPU_0T

CPU_0C

GNDA
VDDA
SCLK

SDATA

GND_AGP

AGP0
AGP1

VDD_AGP

VDD_48

48MHZ

24_48MHZ

GND_48

1
2
3

48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25

+3V

FSB_SEL1HEADER_1X3P

CLK_+3V

FSB_SEL2HEADER_1X3P

1
2
3

/

12

C93
Do Not Stuff

APICCLK_VCC

CPUCLK_VCC

RAPICCLK_SB
RAPICCLK_CPU

RHCLK_NB
CLKGEN_42

RCHCLK_CPU
RCHCLK_CPU#

CLK_VDDA

R66M_NB
R66M_AGP

R48M_SB
R24M_SIO

R223533

1 2
1 2

R223633

1 2

R2237 0 /CY28372

12

C110

Do Not Stuff

/

R450

1 2

R4710

1 2
1 2

12

Prevent SMBUS noise

C105

Do Not Stuff

from CLOCKGEN

/

http://laptop-motherboard-schematic.blogspot.com/

Frequency table for CY28372

SW1

FS3

FS2

FS1

ON
ON
ON
ON

OFFONON
OFF
OFF
OFF

OFF
OFF
OFF
OFF

ON

ON

OFF
OFF 68
OFF

ON 66

OFF
OFF
OFF 100
OFF 133.33OFF

OFF

OFF

ON

OFF

OFF

ON

ON
ON

OFFON

OFF

OFF

OFF

ON

ON
ON

OFF

ON

OFF
OFF

L1722

120 OHM/100MHZ

APICCLK_SB 19
APICCLK_CPU 8

R5410

1 2

56

3 4

56

5 6

56

7 8

56

CPU

FS0

220
210
200

190
180ON
170
150

140
120
110

66.67

200

166.67

21

+3VAPICCLK_VCC

L1721

120 OHM/100MHZ

/ICS952701

L18

120 OHM/100MHZ

SMBCLK 7,15,16,19
SMBDATA 7,15,16,19

66M_NB 10
66M_AGP 17

48M_SB 20
24M_SIO 29

RN2217A
RN2217B

RN2217C
RN2217D

12

CB254
1U

HCLK_NB 10

CHCLK_CPU 8
CHCLK_CPU# 8

Frequency table for ICS952701

PCI

AGP

77.78

73.33
70

66.67

76OFF
72

75

70
60

66.67

66.67

66.67

66.67

66.67

FS3

38.88233.33

36.67
35

33.33

38

ON
ON

36
34

ON
ON

37.5

35

OFF
OFF

30

OFF

33

OFF

33.33ON

33.33

OFF

33.33

OFF

33.33

OFF

33.33

OFF

0830a

Asustek Computer INC.

Size Project Name

A3

Date: Sheet

CPUCLK_VCC+2.5V

21

21

12

C94

0.1U

Check APICCLK/cd0/CD1
Level of CPU

+3V CLK_VDDA

120 OHM/100MHZ

12

12

CB263

0.1U

/

SW1

FS2

FS1

ON

OFF
OFF

ON
OFF

OFF
OFF

ON 35

ON

ON
ON

OFF
OFF

ON

OFF

ON

OFF

ON

OFF

OFF
OFF

Title :

Engineer:

CB264

0.1U

/

FS0

ON
OFF

OFF

ON
OFF
ON
OFF

ON
OFF
ON
OFF

L1723

21

12

C98

0.1U

/

CPU

233.33
220
210
200

190
180
170
150

140ON
120
110

200

166.67
100

133.33OFF

+3V

CLK_+3V

12

C90
Do Not Stuff

/

12

12

C2258

0.1U

+5V

12

C69
Do Not Stuff

/

AGP

77.78

73.33

66.67

76 38
72
68
75OFF

70
60
66

66.6766.67

66.67

66.67

66.67

66.67

CLOCK

Jason Chou

K7S46

635Wednesday, December 25, 2002

of

CB262

0.1U

/

PCI

38.88

36.67
3570

33.33

36
34ON

37.5

30
33

33.33

33.33

33.33

33.33

33.33

12

CB261

0.1U

/

12

C88
Do Not Stuff

/

Rev

1.00

+5V

BUF_AVDDVCCM

CLOCK Buffer

VCCM BUF_+2.5V

BUFCLK_IN

BUFCLK_IN
DDRCLK8
DDRCLK#8
DDRCLK7
DDRCLK#7
DDRCLK6
DDRCLK#6
DDRCLK0
DDRCLK#0
DDRCLK1
DDRCLK#1

12

CB181

L1732

120 OHM/100MHZ

0.1U

/

C2260

12

5P

/

C2263

12

5P

/

C2266

12

5P

/

C263

12

Do Not Stuff

/

21

C2259

12

5P

/

C2262

12

5P

/

C2265

12

5P

/

C260

12

Do Not Stuff

/

12

CB182

0.1U

DDRCLK#115
DDRCLK115

DDRCLK716
DDRCLK#716

DDRCLK#415
DDRCLK415

SMBCLK6,15,16,19

DDRCLK_NB2BUF11

DDRCLK#015
DDRCLK015

DDRCLK616
DDRCLK#616

DESTINATION END

C2261

12

5P

/

C2264

12

5P

/

C261

12

Do Not Stuff

/

C262

12

Do Not Stuff

/

WATCH GUARD

12

CB183

0.1U

1 2

0

3 4

0

5 6

0

7 8

0

R22380

1 2
1 2

R22400

BUFCLK_14

1 2

0

3 4

0

5 6

0

7 8

0

12

CB184
Do Not Stuff

/

RN2204A
RN2204B

RN2204C
RN2204D

RN2205A
RN2205B

RN2205C
RN2205D

12

CB185
Do Not Stuff

/

RDDRCLK#1
RDDRCLK1

RDDRCLK7
RDDRCLK#7

RDDRCLK#4
RDDRCLK4

RDDRCLK#0
RDDRCLK0

RDDRCLK6
RDDRCLK#6

12

CB186

0.1U

BUF_AVDD

12

CB187

0.1U

http://laptop-motherboard-schematic.blogspot.com/

12

12

C264

12

Do Not Stuff

/

C269

12

Do Not Stuff

/

C270

12

Do Not Stuff

/

C265

12

Do Not Stuff

/

C266

12

Do Not Stuff

/

C271

12

Do Not Stuff

/

DDRCLK2
DDRCLK#2
DDRCLK3
DDRCLK#3
DDRCLK4
DDRCLK#4
DDRCLK5
DDRCLK#5

C267

Do Not Stuff

/

C268

Do Not Stuff

/

L40

21

120 OHM/100MHZ

12

CB176

Do Not Stuff

/

BUF_+2.5V

U33

1

VSS

2

YC0

3

YT0

4

VDDQ1

5

YT1

6

YC1

7

VSS1

8

VSS2

9

YC2

10

YT2

11

VDD

12

SCLK

13

CLKIN

14

NC1

15

VDDI

16

AVDD

17

AVSS

18

VSS3

19

YC3

20

YT3

21

VDDQ2

22

YT4

23

YC4

24

VSS4

CY28351

VSS5

YC5
YT5

VDDQ6

YT6

YC6
VSS6
VSS7

YC7

YT7

VDDQ5

SDATA

NC2

FBIN
VDDQ4
FBOUT

NC3

VSS8

YC8
YT8

VDDQ3

YT9
YC9

VSS9

48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25

R2482

100

/

1 2

R2507

100

/

1 2

RDDRCLK#2
RDDRCLK2

RDDRCLK8
RDDRCLK#8

BUFCLK_36
BUFCLK_IN

BUFCLK_OUT

RDDRCLK#5
RDDRCLK5

RDDRCLK3
RDDRCLK#3

BUF_+2.5V BUF_+2.5VBUF_+2.5V

12

12

1 2

R2455
1K

/

R2457
1K

/

R224233

BUFCLK_14 BUFCLK_36DDRCLK_NB2BUF

1 2

0

3 4

0

5 6

0

7 8

0

1 2

0

3 4

0

5 6

0

7 8

0

12

12

R2456
1K

/

R2458
1K

/

12

RN58A
RN58B

RN58C
RN58D

RN56A
RN56B

RN56C
RN56D

CB177

0.1U

12

12

CB179

CB178

0.1U

0.1U

DDRCLK#2 15
DDRCLK2 15

DDRCLK8 16
DDRCLK#8 16

SMBDATA 6,15,16,19

DDRCLK#5 15
DDRCLK5 15

DDRCLK3 15
DDRCLK#3 15

0830a

Asustek Computer INC.

Size Project Name

A3

Date: Sheet

12

CB180

0.1U

12

CB241

0.1U

12

CB242

0.1U

Title :

Engineer:

K7S46

12

CB243

0.1U

12

CB244

0.1U

CLOCK_BUF

Jason Chou

735Wednesday, December 25, 2002

of

Rev

1.00

HD#[0:63]10

K7CLKOUT+
K7CLKOUT-

PLLBPCLK+
PLLBPCLK-

HA20M#
HINIT#
HINTR
HIGNNE#
HNMI
HSMI#
HSTPCLK#
CPURST#

HFLUSH#
PLLBP#
PLLTEST#
DBREQ#
TMS
TRST#
TDI
TCK

HD#0
HD#1
HD#2
HD#3
HD#4
HD#5
HD#6
HD#7
HD#8
HD#9
HD#10
HD#11
HD#12
HD#13
HD#14
HD#15
HD#16
HD#17
HD#18
HD#19
HD#20
HD#21
HD#22
HD#23
HD#24
HD#25
HD#26
HD#27
HD#28
HD#29
HD#30
HD#31
HD#32

4 5

680Ohm

N/A

9 5

680Ohm

N/A

1 5

680Ohm

N/A

8 5

680Ohm

N/A

2 5

680Ohm

N/A

3 5

680Ohm

N/A

6 5

680Ohm

N/A

7 5

680Ohm

N/A

1 5

680Ohm

2 5

680Ohm

3 5

680Ohm

4 5

680Ohm

9 5

680Ohm

7 5

680Ohm

6 5

680Ohm

8 5

680Ohm

1 2

100

3 4

100

5 6

100

7 8

100

1 2

100

3 4

100

5 6

100

7 8

100

R98

PWROK_SB12,19,31

SDATA0
SDATA1
SDATA2
SDATA3
SDATA4
SDATA5
SDATA6
SDATA7
SDATA8
SDATA9
SDATA10
SDATA11
SDATA12
SDATA13
SDATA14
SDATA15
SDATA16
SDATA17
SDATA18
SDATA19
SDATA20
SDATA21
SDATA22
SDATA23
SDATA24
SDATA25
SDATA26
SDATA27
SDATA28
SDATA29
SDATA30
SDATA31
SDATA32

VCORE

VCORE

U11A

462P

HAIN#0
HAIN#1

SCANCLK1
SCANINTVL
SCANCLK2
SCANSFTEN

VCORE

R2459

60.4

/

1 2

VCCM

C2346

1 2

K7CLKOUT+

K7CLKOUT-

PLLBPCLK+

PLLBPCLK-

SDATA63
SDATA62
SDATA61
SDATA60
SDATA59
SDATA58
SDATA57
SDATA56
SDATA55
SDATA54
SDATA53
SDATA52
SDATA51
SDATA50
SDATA49
SDATA48
SDATA47
SDATA46
SDATA45
SDATA44
SDATA43
SDATA42
SDATA41
SDATA40
SDATA39
SDATA38
SDATA37
SDATA36
SDATA35
SDATA34
SDATA33

0.1U

A15
A17
A11
C17
C19
E19
A21
C21
A9
C9
A13
E9
C15
E11
E13
E17
C25
E23
C29
A29
C31
C33
C35
A35
A23
C27
C23
E21
A25
A27
E29

1 2

100

3 4

100

7 8

100

5 6

100

3 4

100

5 6

100

1 2

100

7 8

100

CPURST#

PLLMON1

PLLMON2

ZN

ZP

HD#63
HD#62
HD#61
HD#60
HD#59
HD#58
HD#57
HD#56
HD#55
HD#54
HD#53
HD#52
HD#51
HD#50
HD#49
HD#48
HD#47
HD#46
HD#45
HD#44
HD#43
HD#42
HD#41
HD#40
HD#39
HD#38
HD#37
HD#36
HD#35
HD#34
HD#33

RN17A
RN17B
RN17D
RN17C

RN21B
RN21C
RN21A
RN21D

VCORE

HDOUTVAL#
HFILLVAL#

FIDOUT49

R82

1 2

60.4
R79

1 2

60.4

R84

1 2

40.2
R83

1 2

60.4

FIDOUT1
FIDOUT0
FIDOUT2
FIDOUT3

VCORE

HDINVAL#10

HDOUTCLK#[0:3]10

HAIN#[2:14]10

CLKFWDRST10
CONNECT10
PROCRDY10

HAOUTCLK#10

HAOUT#[2:14]10

7 8

2.7K

5 6

2.7K

1 2

2.7K

3 4

2.7K

R24832.7K/

VREF_SYS

VREF_SYSVCORE

R75
150

1 2

12

R76

C194

150

Do Not Stuff

/

1 2

AA35

W37
W35

Y35
U35
U33
S37

S33
AA33
AE37
AC33
AC37

Y37
AA37
AC35

S35

Q37

Q35

N37

J33
G33
G37
E37
G35
Q33
N33
L33
N35
L37

J37
A37
E35
E31

VCORE

RP10D

10

RP10H

10

RP10A

10

RP10G
RP10B

10
10

RP10C

10

RP10E

10

RP10F

10

VCORE

RP8A
RP8B

10

RP8C

10
10

RP8D

10

RP8H
RP8F

10
10

RP8E
RP8G

10
10

RN19A
RN19B
RN19C
RN19D

RN20A
RN20B
RN20C
RN20D

1 2

2.7K

HDINCLK#0_LL
HDINCLK#1_LL
HDINCLK#2_LL
HDINCLK#3_LL

HDOUTCLK#0
HDOUTCLK#1
HDOUTCLK#2
HDOUTCLK#3

HDOUTVAL#
HAIN#0

HAIN#1
HAIN#2
HAIN#3
HAIN#4
HAIN#5
HAIN#6
HAIN#7
HAIN#8
HAIN#9
HAIN#10
HAIN#11
HAIN#12
HAIN#13
HAIN#14

HAINCLK#_LL

HFILLVAL#

HAOUT#14
HAOUT#13
HAOUT#12
HAOUT#11
HAOUT#10
HAOUT#9
HAOUT#8
HAOUT#7
HAOUT#6
HAOUT#
HAOUT#4
HAOUT#3
HAOUT#2

RN27D
RN27C
RN27A
RN27B

12

HDINCLK#3

12

12

C195

C196

0.1U

Do Not Stuff

/

PWROK_K7

W33

SDATAINCLK0

J35

SDATAINCLK1

E27

SDATAINCLK2

E15

SDATAINCLK3

AN33

SDATAINVAL

AE35

SDATAOUTCLK0

C37

SDATAOUTCLK1

A33

SDATAOUTCLK2

C11

SDATAOUTCLK3

AL31

SDTATOUTVAL

AJ29

SADDIN0

AL29

SADDIN1

AG33

SADDIN2

AJ37

SADDIN3

AL35

SADDIN4

AE33

SADDIN5

AJ35

SADDIN6

AG37

SADDIN7

AL33

SADDIN8

AN37

SADDIN9

AL37

SADDIN10

AG35

SADDIN11

AN29

SADDIN12

AN35

SADDIN13

AN31

SADDIN14

AJ33

SADDINCLK

AJ21

CLKFWDRST

AL23

CONNECT

AN23

PROCRDY

AJ31

SFILLVAL

E3

SADDOUTCLK

G3

SADDOUT14

G5

SADDOUT13

A3

SADDOUT12

E1

SADDOUT11

G1

SADDOUT10

C3

SADDOUT9

C5

SADDOUT8

C1

SADDOUT7

E7

SADDOUT6

5

A5

SADDOUT5

E5

SADDOUT4

A7

SADDOUT3

C7

SADDOUT2

J3

SADDOUT1

J1

A19
C13
A31
E25
E33
L35
Y33

SADDOUT0
SCHECK7

SCHECK6
SCHECK5
SCHECK4
SCHECK3
SCHECK2
SCHECK1

+3V

http://laptop-motherboard-schematic.blogspot.com/

L30

21

0.01UH

VCORE

R2480

2.7K

/

1 2

HFERR

1 2

12

C183
5P

R2481

1 2

1 2

2.7K

3 4

2.7K

5 6

2.7K

7 8

2.7K

R97

2K

HDINCLK#[0:3]10

0 /

RESET

STPCLK

PWROK

PICCLK
PICD0/BYPASSCLK
PICD1/BYPASSCLK

COREFB-

COREFB+

RSTCLK
RSTCLK

K7CLKOUT
K7CLKOUT

ANALOG

SYSVREFMODE

VREF_SYS

PLLBYPASS
PLLBYPASSCLK
PLLBYPASSCLK

PLLMON1
PLLMON2

PLLTEST

SCANCLK1
SCANCLK2

SCANINTEVAL

SCANSHIFTEN

DBRDY
DBREQ

FLUSH

462P

L29

0.01UH

VCORE+3V

RN22A
RN22B
RN22C
RN22D

PMBS3904

U11B

A20M

FERR

INIT

INTR

IGNNE

NMI
SMI

CLKIN
CLKIN

TCK
TDO

TMS

TRST

VID0
VID1
VID2
VID3
VID4

FID0
FID1
FID2
FID3SCHECK0

21

1

HAINCLK#10

AE1

HFERR

AG1
AJ3
AL1
AJ1
AN3
AG3
AN5
AC1

PWROK_K7

AE3
N1
N3
N5
AG13
AG11

HCLK_CPU

AN17

HCLK_CPU#

AL17
AN19

AL19

K7CLKOUT+

AL21

K7CLKOUT-

AN21
AJ13
AA5

W5

ZN

AC5

ZN
ZP

TDI

HDINCLK#3_LLHDINCLK#3_L

Q9

B

AE5
AJ25

AN15
AL15

AN13
AL13
AC3

S1
S5
S3
Q5

AA1
AA3
AL3

Q1
U1
U5
Q3
U3

L1
L3
L5
L7
J7

W1
W3
Y1
Y3U37

3
C

E
2

ZP
PLLBP#

PLLBPCLK+
PLLBPCLK-

PLLMON1
PLLMON2
PLLTEST#

SCANCLK1
SCANCLK2
SCANINTVL
SCANSFTEN

DBREQ#
HFLUSH#

TCK
TDI

TMS
TRST#

HVID0
HVID1
HVID2
HVID3
HVID4

FIDOUT0
FIDOUT1
FIDOUT2
FIDOUT3

HFERR# 19

L1733

0.01UH

HA20M# 19
HINIT# 19

HINTR 19
HIGNNE# 19
HNMI 19
CPURST# 10
HSMI# 19
HSTPCLK# 19

VREF_SYS

HVID[0:4] 5

FIDOUT[0:3] 12

HDINCLK#2

HDINCLK#1

0830a

Asustek Computer INC.

Size Project Name

A3

Date: Sheet

VREFMODE

L27

0.01UH

L22

0.01UH

L24

0.01UH

21

12

APICD0# 19
APICD1# 19

HCLK_CPU

HCLK_CPU#

HAINCLK#_L

C2308
5P

VCORE

21

21

21

L1734

0.01UH

APICCLK_CPU 6

VCOREFB- 5

R74

Do Not Stuff

/

No Scaling between Vref and Input

1 2

R85

470

1 2

C177

12

680P

C181

12

680P

APICD0#

APICD1#

HDINCLK#2_L

12

C157
5P

HDINCLK#0_L

12

C132
5P

HDINCLK#1_L HDINCLK#1_LL

12

C138
5P

Title :

Engineer:

21

VCOREFB+ 5

VCORE

R70

60.4

1 2

1 2

R34

1 2

330Ohm

R36

1 2

330Ohm

L26

0.01UH

L23

0.01UH

L25

0.01UH

HAINCLK#_LL

R71

60.4

CHCLK_CPU 6

CHCLK_CPU# 6

HDINCLK#2_LL

21

HDINCLK#0_LLHDINCLK#0

21

21

CPU_1

Jason Chou

+2.5V

K7S46

835Wednesday, December 25, 2002

of

Rev

1.00

VCORE VCORE

12

12

12

12

12

CB188
10U

CB189
10U

CB190
10U

CB191
10U

CB192
10U

12

CB193
10U

12

C154

0.1U

Inside CPU Socket

12

12

12

12

12

12

12

C178

CB174

C148

C193

C169

0.1U

0.1U

0.1U

0.1U

0.1U

C149

0.1U

C145

0.1U

12

C203

0.1U

12

12

C205

0.1U

C146

0.1U

12

C204

0.1U

12

12

C202

C192

0.1U

0.1U

12

C206

0.1U

12

C168

0.1U

12

C179

0.1U

12

12

C147

0.1U

CB255

0.1U

+2.5V

+5V

VCORE

H12
H16
H20
H24

P30
T30
X30

AB30

AF14
AF18
AF22

AF26
AM34
AK36
AK34
AK30
AK26
AK22
AK18
AK14
AK10

AL5
AH26
AM30
AH22
AH18
AH14
AH10

AH4

AH2

AF36
AF34

AD6
AM26

AD4

AD2

12

12

M8
R8

V8
Z8

VCC_CORE1
VCC_CORE2
VCC_CORE3
VCC_CORE4
VCC_CORE5
VCC_CORE6
VCC_CORE7
VCC_CORE8
VCC_CORE9
VCC_CORE10
VCC_CORE11
VCC_CORE12
VCC_CORE13
VCC_CORE14
VCC_CORE15
VCC_CORE16
VCC_CORE17
VCC_CORE18
VCC_CORE19
VCC_CORE20
VCC_CORE21
VCC_CORE22
VCC_CORE23
VCC_CORE24
VCC_CORE25
VCC_CORE26
VCC_CORE27
VCC_CORE28
VCC_CORE29
VCC_CORE30
VCC_CORE31
VCC_CORE32
VCC_CORE33
VCC_CORE34
VCC_CORE35
VCC_CORE36
VCC_CORE37
VCC_CORE38
VCC_CORE39
VCC_CORE40

C209

0.1U

C151

Do Not Stuff

/

FSB_SEN1

120 OHM/100MHZ

1 2
3 4
5 6
7 8

12

CB256
10U

AD30

AB36

L33

21

Do Not Stuff

/

Do Not Stuff

/

Do Not Stuff
Do Not Stuff

/
/

12

CB257
10U

AD8

AF10

AF28

AF30

VCC_SRAM1

VCC_SRAM2

VCC_SRAM3

VCC_SRAM4

VCC_SRAM5

VCC_CORE41

VCC_CORE42

VCC_CORE43

VCC_CORE44

VCC_CORE45

AB34

AB32Z6Z4Z2X36

RN18A
RN18B
RN18C
RN18D

12

CB258
10U

AF32

AF6

AF8

AH30

AH8

AJ9

AK8

VCC_SRAM6

VCC_SRAM7

VCC_SRAM8

VCC_SRAM9

VCC_SRAM11

VCC_SRAM13

VCC_SRAM14

VCC_CORE46

VCC_CORE47

VCC_CORE48

VCC_CORE49

VCC_CORE50

VCC_CORE51

VCC_CORE52

X34

AM22

X32V6V4V2T36

CPUPLL_VDD

2

12

CB259
10U

AL9

AM8

F30F8H10

VCC_SRAM16

VCC_SRAM17

VCC_SRAM19

VCC_SRAM20

VCC_CORE53

VCC_CORE54

VCC_CORE55

VCC_CORE56

T34

T32R6R4R2AM18

13

Q7

Do Not Stuff

/

H28

H30

H32H6H8

VCC_SRAM21

VCC_SRAM22

VCC_SRAM23

VCC_SRAM24

VCC_SRAM25

VCC_CORE57

VCC_CORE58

VCC_CORE59

VCC_CORE60

VCC_CORE61

P36

CPUPLL_VDD

VCORE

12

C129

0.1U

K30K8AJ7

VCC_SRAM26

VCC_SRAM27

VCC_SRAM28

VCC_SRAM29

VCC_CORE62

VCC_CORE63

VCC_CORE64

VCC_CORE65

P34

P32M4M6

12

C164

1U

12

C188

0.1U

AL7

AN7

VCC_SRAM30

VCC_SRAM31

VCC_CORE66

VCC_CORE67

VCC_CORE68

VCC_CORE69

M2

K36

K34

K32H4H2

12

C2293
Do Not Stuff

/

12

C186

0.1U

G25

G17G9N7Y7AG7

KEY4

KEY6

KEY8

KEY10

VCC_CORE70

VCC_CORE71

VCC_CORE72

VCC_CORE73

VCC_CORE74

AM14

F36

F34

12

C2294
Do Not Stuff

/

12

C119

0.1U

AG15

AG29

KEY12

KEY14

KEY16

KEY18

VCC_CORE101
VCC_CORE100

VCC_CORE99
VCC_CORE98
VCC_CORE97
VCC_CORE96
VCC_CORE95
VCC_CORE94
VCC_CORE93
VCC_CORE92
VCC_CORE91
VCC_CORE90
VCC_CORE89
VCC_CORE88
VCC_CORE87
VCC_CORE86
VCC_CORE85
VCC_CORE84
VCC_CORE83
VCC_CORE82
VCC_CORE81
VCC_CORE80
VCC_CORE79
VCC_CORE78
VCC_CORE77
VCC_CORE76

VCC_CORE75

462P

F32

12

C159

0.01U

VCC_A
VCC_Z

U11C

AJ23
AC7
AJ5

B4
B8
B12
B16
B20
B24
B28
AM2
B32
B36
D2
D4
D8
D12
D16
D20
D24
AM10
D28
D32
F12
F16
F20
F24
F28

GPIO119

12

C158

Do Not Stuff

/

CPUPLL_VDD

FSB_SEN0

FIDOUT48

CPUDXP

* This GND should
go with CPUDXP to
ASIC.

GPIO1

1

G

12

C167
Do Not Stuff

/

U11D

H14

H18

H22

H26

M30P8R30T8V30X8Z30

AA31

NC1

VSS1

VSS2

VSS3

VSS4

AC31

NC2

AE31

NC3

AG23

NC6

AG25

NC7

AG31

NC8

AG5

NC9

AJ11

NC10

AJ15

NC11

AJ17

NC12

AJ19

NC13

AJ27

NC15

AL11

NC16

AN11

NC17

AN9

NC18

G11

NC19

G13

NC20

G27

NC21

G29

NC22

G31

NC23

J31

NC24

J5

NC25

L31

NC27

N31

NC28

Q31

NC29

S31

NC30

S7

NC31

U31

NC32

U7

NC33

W31

NC34

W7

NC35

Y31

NC36

Y5

NC37

AG19

NC42

G21

NC43

AG21

NC44

G19

NC45

AN27

BP0_CUT

AL27

BP1_CUT

AN25

BP2_CUT

AL25

BP3_CUT

AMDVREF

R2508

2.7K

3

1 2

D

S

2

Q2227
2N7002

1 2

R86

2.7K

CPUDXP

VSS5

SIDE_NC1

SIDE_NC2

1234567891011121314151617181920212223242526272829303132333435

RCPUDXP

R192

1 2

60.4

VSS6

VSS7

VSS8

SIDE_NC3

SIDE_NC4

SIDE_G5

12

C375
Do Not Stuff

/

AB8

AF12

AF16

AF20

AF24

AM36

AK32

AK28

AK24

AK20

AK16

AK12

AK4

AK2

AH36

AM32

AH34

AH32

AH28

AH24

AH20

AH16

AH12

AF4

AF2

AD36

AD34

AB6

AB4

AB2

Z36

Z34

Z32X6AM28X4X2

AD32

VSS9

VSS10

VSS11

VSS12

VSS13

VSS14

VSS15

VSS16

VSS17

VSS18

VSS19

VSS20

VSS21

VSS22

VSS23

VSS25

VSS26

VSS27

VSS28

VSS29

VSS30

VSS31

VSS32

VSS33

VSS34

VSS35

VSS37

VSS38

VSS39

VSS40

VSS41

VSS42

VSS43

VSS44

VSS45

VSS46

VSS47

VSS48

http://laptop-motherboard-schematic.blogspot.com/

SIDE_G6

SIDE_G7

SIDE_G8

VTIN129

SIDE_G9

SIDE_G10

SIDE_G11

1 2

1

SIREN#

2

GND

3

PSON_IN#

4

TXD

1 2

SIDE_G12

SIDE_G13

SIDE_G14

SIDE_G15

SIDE_G16

SIDE_G17

R57 Do Not Stuff

/

U10

PSON_OUT#

ATTANSIC_ATPP1

R156

Do Not Stuff

/

SIDE_G18

SIDE_G19

SIDE_G20

462P

5VSB

VREF

TXR

CPUTXR

12

C376

0.1U

SIDE_G21

SIDE_G22

SIDE_G23

8
7
6
5

SIDE_G24

SIDE_G25

SIDE_G26

+5VSB

12

1 2

SIDE_G27

SIDE_G28

SIDE_G29

12

C374

0.1U

TRCPU2

SIDE_G30

SIDE_G31

SIDE_G32

SIDE_G33

SIDE_G34

AMDVREF

C2345

0.1U

R72

10K

1%

0830a

1 2

10K

Date: Sheet

VSS_Z

SIDE_G35

SIDE_G36

AE7

36

PSON_OUT# 3,4PSON#19

Asustek Computer INC.

Size Project Name

A3

VSS49

VSS50

V36

VSS51

VSS52

V34

V32T6T4T2R36

VSS53

VSS54

VSS55

VSS56

Title :

Engineer:

K7S46

VSS57

VSS58

R34

VSS59

AM24

VSS60

VSS61
VSS62
VSS63
VSS64
VSS65
VSS66
VSS67
VSS68
VSS69
VSS70
VSS71
VSS72
VSS73
VSS74
VSS75
VSS76
VSS77
VSS78
VSS79
VSS80
VSS81
VSS82
VSS83
VSS84
VSS85
VSS86
VSS87
VSS88
VSS89
VSS90
VSS91
VSS92
VSS93
VSS94
VSS95
VSS96
VSS97
VSS98

VSS99
VSS100
VSS101
VSS102
VSS103
VSS104

CPU_2

Jason Chou

935Wednesday, December 25, 2002

R32
P6
P4
P2
M36
M34
M32
K6
K4
K2
AM20
H36
H34
F26
F22
F18
F14
F10
F6
F4
F2
AM16
D36
D34
D30
D26
D22
D18
D14
D10
D6
B34
AM12
B30
B26
B22
B18
B14
B10
B6
B2
AM4
AK6
AM6

Rev

1.00

of

+3V

8

R2208

R2209

HDINVAL#8

CLKFWDRST8

HAIN#[2:14]8

HAOUT#[2:14]8

C2217

0.1U

PROCRDY8
CONNECT8

HCLK_NB6

HAINCLK#8

HAOUTCLK#8

S2KCOMPND

S2KCOMPPD

12

C2218

0.1U

CPUCLKAVDD

12

C2210

0.1U

CPUPHYAVDD

12

C2212

0.1U

VDDREFA
GND

VDDREFB
GND

HSTLVREFA
HSTLVREFB

HDINCLK#0
HDINCLK#1
HDINCLK#2
HDINCLK#3

HDOUTCLK#0
HDOUTCLK#1
HDOUTCLK#2
HDOUTCLK#3

HAIN#2
HAIN#3
HAIN#4
HAIN#5
HAIN#6
HAIN#7
HAIN#8
HAIN#9
HAIN#10
HAIN#11
HAIN#12
HAIN#13
HAIN#14

HAOUT#2
HAOUT#3
HAOUT#4
HAOUT#5
HAOUT#6
HAOUT#7
HAOUT#8
HAOUT#9
HAOUT#10
HAOUT#11
HAOUT#12
HAOUT#13

HAOUT#14
CPUCLKAVDD
GND
CPUPHYAVDD
GND

1 2

1 2

1 2

0

12

C2209

0.1U

+3V

HDINCLK#[0:3]8

HDOUTCLK#[0:3]8

1 2

12

C2211

0.1U

R2210

1 2

60.4

0

CPURST#8

D D

VCORE

C C

B B

VCORE

R246033

1 2

1 2

R246133

VCORE VCORE

R2214
150

1%

1 2

A A

12

R2217
150

1%

1 2

8

R2215
150

1%

R2218
150

1%

7

HD#[0:63]8

S2KCOMPPD

S2KCOMPND

E18

D17

M27

VDDREFA

M29

VSSREFA

A23

C23

L29

B23

W29

E20
D18
D19
C19
F18

A22
U29

A26
E27
K29
P29

A24

G28

H29
R28

F21
D21
B21
E22
F20
D22
C20
C21
D20
C22
A20
A21
F19

U24
T27

W24

U25
U27

W26

U28
V25

W27

V27
U26
Y25
V29

Y26
Y27
B19
A19

HSTLVREFB

12

12

C2219

0.1U

VDDREFB
VSSREFB

HSTLVREFA
HSTLVREFB

CPUCLK
SDATAINVAL#

CPURST#
PROCRDY
CONNECT
CLKFWDRST

SADDINCLK#
SADDOUTCLK#

SDATAINCLK#0
SDATAINCLK#1
SDATAINCLK#2
SDATAINCLK#3

SDATAOUTCLK#0
SDATAOUTCLK#1
SDATAOUTCLK#2
SDATAOUTCLK#3

SADDIN#2
SADDIN#3
SADDIN#4
SADDIN#5
SADDIN#6
SADDIN#7
SADDIN#8
SADDIN#9
SADDIN#10
SADDIN#11
SADDIN#12
SADDIN#13
SADDIN#14

SADDOUT#2
SADDOUT#3
SADDOUT#4
SADDOUT#5
SADDOUT#6
SADDOUT#7
SADDOUT#8
SADDOUT#9
SADDOUT#10
SADDOUT#11
SADDOUT#12
SADDOUT#13
SADDOUT#14

CPUAVDD
CPUAVSS
CPUPHYAVDD
CPUPHYAVSS

U35A
SIS746

C2220

0.1U

S2KCOMPND

7

6

HD#2

HD#5

HD#1

HD#4

HD#3

HD#0

C25

F24

E24

D25

C26

SDATA#0

SDATA#1

SDATA#2

SDATA#3

S2KCOMPPD

SDATA#4

HOST

VDDREFB

12

6

HD#6

HD#7

F23

A27

SDATA#5

SDATA#6

C2221

0.1U

HD#9

HD#8

C27

A25

SDATA#7

SDATA#8

1 2

HD#10

HD#11

D23

F22

C24

SDATA#9

SDATA#10

R2462

0

HD#12

HD#13

HD#14

D26

B25

D24

SDATA#11

SDATA#12

SDATA#13

HD#17

HD#16

HD#15

B27

F26

E26

SDATA#14

SDATA#15

SDATA#16

HD#18

HD#20

HD#19

D27

D29

E28

SDATA#17

SDATA#18

SDATA#19

5

HD#21

HD#23

HD#22

E29

F29

F27

SDATA#20

SDATA#21

SDATA#22

HD#26

HD#24

HD#25

G24

F25

C29

SDATA#23

SDATA#24

SDATA#25

HD#29

HD#27

HD#28

C28

G26

H25

SDATA#26

SDATA#27

SDATA#28

HD#30

HD#32

HD#31

G29

G27

J25

SDATA#29

SDATA#30

SDATA#31

SDATA#32

HD#35

HD#33

HD#34

K25

L24

SDATA#33

SDATA#34

K27

HD#36

HD#37

HD#38

M26

L28

L25

SDATA#35

SDATA#36

SDATA#37

HD#40

HD#41

HD#39

L27

J24

J26

SDATA#38

SDATA#39

SDATA#40

4

HD#43

HD#42

HD#44

H27

J27

J29

SDATA#41

SDATA#42

SDATA#43

HD#47

HD#45

HD#46

J28

M24

L26

SDATA#44

SDATA#45

SDATA#46

HD#49

HD#50

HD#48

N26

R25

R26

SDATA#47

SDATA#48

SDATA#49

HD#52

HD#51

P27

T26

SDATA#50

SDATA#51

746-1

AGP

http://laptop-motherboard-schematic.blogspot.com/

SBA7

SBA6

SBA5

SBA4

SBA3

SBA2

SBA1

SBA0

ST0

ST1

ST2

AAD0

AAD1

AAD2

AAD3

AAD4

AAD5

AAD6

AAD7

AAD8

AAD9

AAD10

AAD11

AAD12

AAD13

AAD14

AAD15

AAD16

AAD17

AAD18

AAD19

AAD20

AAD21

AAD22

AAD23

E11

F12

C11

A10

C12

D12

E13

F14

F15

A14

E14H2J6G1H4J4G3F3G4E2E4D2G6F5D3C1D4D7B5E7F8A6C6E8F9C8D9

GSBA6

GSBA7

12

GSBA5

GSBA4

+1.8V

C2222

0.1U

GSBA3

GSBA2

GSBA1

GSBA0

5

GST0

12

GST1

GST2

1 2

C2223

0.1U

0

GAD0

R2216

GAD1

GAD2

GAD3

GAD4

GAD5

GAD6

GAD7

12

GAD8

C2224

GAD9

0.1U

GAD11

GAD10

VDDREFAHSTLVREFA

GAD13

GAD12

GAD15

GAD14

4

GAD16

GAD17

GAD18

GAD19

GAD20

GAD21

GAD22

GAD23

GAD24

HD#54

HD#55

HD#57

HD#53

HD#56

R27

T24

T29

N27

N24

SDATA#52

SDATA#53

SDATA#54

SDATA#55

SDATA#56

SDATA#57

GC_DET#/AGP8XDET#

AAD24

AAD25

AAD26

AAD27

AAD28

AAD29

E10C9F11A9B10

GAD27

GAD29

GAD28

GAD26

GAD25

HD#58

HD#60

HD#59

N25

N28

SDATA#58

SDATA#59

PIPE#/DBI_HI

AAD30

AAD31

D10

GAD30

GAD31

3

HD#62

HD#61

HD#63

P25

R29

N29

R24

SDATA#60

SDATA#61

SDATA#62

SDATA#63

AC/BE3#
AC/BE2#
AC/BE1#
AC/BE0#

AREQ#
AGNT#

AFRAME#

AIRDY#

ATRDY#

ADEVSEL#

ASERR#
ASTOP#

APAR#

RBF#

WBF#

DBI_LO

SB_STBF
SB_STBS

AD_STBF0
AD_STBS0

AD_STBF1
AD_STBS1

AGPCLK

AGPRCOMP

AGPRCOMN

A1XAVDD

A1XAVSS

A4XAVDD

A4XAVSS

AGPVREF

AGPVSSREF

3

2

B7
C5
C3
H5

D15
E16
F6
A4
E5
D6
B4
A3

B2
C14

B13
C15

A13
D13

A12
B11

E1
F2

B8
A7

C16
J3

J1
A16
B16

B15
A15

H1
J2

GSBA[0:7] 17
GST[0:2] 17
GAD[0:31] 17

GC/BE#3
GC/BE#2
GC/BE#1
GC/BE#0

GREQ# 17
GGNT# 17
GFRAME# 17
GIRDY# 17
GTRDY# 17
GDEVSEL# 17
GSERR# 17
GSTOP# 17

GPAR 17
GRBF# 17

GWBF# 17
GCDET# 17

DBI_HI 17
DBI_LOW 17

GSBSTBF 17
GSBSTBS 17

GADSTBF0 17
GADSTBS0 17

GADSTBF1 17
GADSTBS1 17

AGPRCOMP
AGPRCOMN
A1XAVDD
GND

A4XAVDD
GND

0830a

Asustek Computer INC.

Size Project Name

B

Date: Sheet

66M_NB 6

A1XAVDD

A4XAVDD

2

12

CB214

0.1U

1 2
1 2

AGPVREF_GC 17

L1713

120 OHM/100MHZ

12

C2213

0.1U

L1714

120 OHM/100MHZ

12

C2215

0.1U

Title :

Engineer:

K7S46

HEATSINK1

2

HEAT SINK

GC/BE#[0:3] 17

VDDQ

R221149.9
R221249.9

21

21

SIS746_HOSTAGP

Jason Chou

1

1

+3V

12

C2214

0.1U

12

C2216

0.1U

Rev

10 35Wednesday, December 25, 2002

1.00

of

1

8

D D

C C

B B

7

RMD[0:63] 14

RDQM[0:7] 14
RDQS[0:7] 14

6

RMD0

AD25

RMD1

AH28

RMD2

AD24

RMD3

AH26

RMD4

AF27

RMD5

AG25

RMD6

AF26

RMD7

AG27

RDQM0

AJ26

RDQS0

AJ27

RMD8

AE25

RMD9

AE23

RMD10

AG24

RMD11

AH23

RMD12

AF24

RMD13

AH25

RMD14

AE22

RMD15

AD21

RDQM1

AD22

RDQS1

AJ24

RMD16

AH22

RMD17

AG22

RMD18

AF20

RMD19

AH20

RMD20

AE20

RMD21

AF21

RMD22

AE19

RMD23

AJ20

RDQM2

AG21

RDQS2

AJ21

RMD24

AE16

RMD25

AH17

RMD26

AF15

RMD27

AJ15

RMD28

AF17

RMD29

AD16

RMD30

AG15

RMD31

AH16

RDQM3

AG16

RDQS3

AJ17

RMD32

AJ12

RMD33

AF12

RMD34

AG10

RMD35

AF11

RMD36 CS#1

AG12

RMD37 CS#2

AD12

RMD38 CS#3

AE11

RMD39 CS#4

AH10

RDQM4 CS#5

AH11

RDQS4

AJ11

RMD40
RMD41
RMD42
RMD43
RMD44
RMD45
RMD46
RMD47
RDQM5
RDQS5
RMD48
RMD49
RMD50
RMD51
RMD52
RMD53
RMD54
RMD55
RDQM6
RDQS6
RMD56
RMD57
RMD58
RMD59
RMD60
RMD61
RMD62
RMD63
RDQM7
RDQS7

AE7
AH4
AH7
AG7
AG6

AH5
AD7
AE5
AE4

AG4
AG3

AD6
AH2
AG1
AC2
AE1
AB3
AD3
AE2
AC6
AD5
AC4
AB5
AD1

AJ6
AF6

AF5
AJ5

AF2
AF3

U35B

MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
DQM0
CSB#0/DQS0
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
DQM1
CSB#1/DQS1
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
DQM2
CSB#2/DQS2
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
DQM3
CSB#3/DQS3
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39
DQM4
CSB#4/DQS4
MD40
MD41
MD42
MD43
MD44
MD45
MD46
MD47
DQM5
CSB#5/DQS5
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
DQM6
CSB#6/DQS6
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63
DQM7
CSB#7/DQS7

SIS746

5

746-2

DDRVREFA
DDRVREFB

FWDSDCLKO

S3AUXSW#

4

MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8

MAA9
MAA10
MAA11
MAA12
MAA13
MAA14
MAA15

RAMRWA#

SRASA#
SCASA#

Reserved

CS0#
CS1#
CS2#
CS3#
CS4#
CS5#

DLLAVDD
DLLAVSS

SDRCLKI

DDRAVDD
DDRAVSS

CKE0

CKE1

CKE2

CKE3

CKE4

CKE5

DDRCOMP
DDRCOMN

AE13
AJ14
AH14
AE14
AD15
AD18
AJ18
AF18
AG18
AH19
AF14
AE10
AD13
AG19
AD19
AF23

AF9
AG9
AJ9

AE17

AD9
AD10
AJ8
AE8
AF8
AH8

AJ23
AJ3

AA29
AA28

AG13
AH13

Y29
Y28

AA6
AB6
AA5
AA3
AB4
AA4

Y6

AB2
AB1

MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
MAA10
MAA11
MAA12
MAA13
MAA14

SWEA#
SRASA#
SCASA#

CS#0

DDRCOMP
DDRCOMN

3

SWEA# 15,16
SRASA# 15,16
SCASA# 15,16

12

C2226

DDRVREFA DDRVREFB

( 10-mil trace ) ( 10-mil trace )
25-mil clearance
or shielded by
VSS trace and
VDD trace

http://laptop-motherboard-schematic.blogspot.com/

DDRVREFA
DDRVREFB

DLLAVDD
GND

RDDRCLK_NB2BUF

DDRAVDD
GND

0.1U

12

C2228

0.1U

CKE0 15
CKE1 15
CKE2 15
CKE3 15
CKE4 16
CKE5 16

S3AUXSW# 31

2

MAA[0:14] 15,16

VCCM VCCM

R2224

140Ohm

1 2

R2226
150

1%

1 2

CS#[0:3] 15,16
CS#[4:5] 16

Put near 746 chip.

25-mil clearance
or shielded by
VSS trace and
VDD trace

R2223

1 2

10

DDRCOMN
DDRCOMP

12

C2227

0.1U

12

C2229

0.1U

12

C2225

R222040.2

1 2
1 2

1

1 2

R2227
150

1%

1 2

DDRCLK_NB2BUF 7

10P

VCCM

R222140.2

R2225

140Ohm

+3V

12

C2231

0.1U

5

L1715

21

120 OHM/100MHZ

12

C2232

0.1U

DLLAVDD

4

12

12

C2233

C2234

0.1U

0.1U

A A

8

7

6

DDRAVDD

12

C2230

0.1U

+3V

L1716

21

120 OHM/100MHZ

3

12

C2235

0.1U

0830a

Title :

Asustek Computer INC.

Size Project Name

B

Date: Sheet

Engineer:

K7S46

2

SIS746_MEMORY

Jason Chou

11 35Wednesday, December 25, 2002

Rev

1.00

of

1