ECS P21G Schematics rev3.0

5

1

Cover Page

2

Block Diagram

3

Clock Generator

D D

C C

B B

4

Power (CPU Vcore)

5

Power (DC to DC)

6

CPU P4-77 5(FSB)

7

CPU P4-775(PWR, GND)

8

NB P4M800(CPU)

9

NB P4M800(MEM)

10

NB P4M800(AGP, V-Link)

11

DDR 1, 2

12

DDR Terminator

13

AGP

14

SB 8237(PCI, USB)

15

SB 8237(IDE, GPIO, AC-Link)

16

SB 8237(V-Link, MII)

17

Super IO(ITE8705F/FX,F/GX)

18

PCI 1, 2

19

PCI 3, CNR

20

USB, PS2, IDE

21

COM, LPT, VGA

22

AUDIO(ALC655),

23

Front Panel

24

LAN PHY(VT6103L)

6CH mute function

4

P21G

3

2

1

Rev : 3.0

L2:GND L3:PWR

R264:4.7K-06

Page5

R252:1K-06 R251:1K-06 Q37:2N3904 Q38:2N7002

Q11:SI2303S Q27:TM3055TL-S Q12:TM3055TL-S R56:10K-06 R57:10K-06 R58:4.7K-06 Q10:2N3906

Q32:20N03 Q31:SI2301S Q30:2N3906 R167:10K-06 R168:10K-06

RN30 R68 R69 R149 R147

Page14 R175:4.7K-06

R174:4.7K-06XVXV

GPIO

W/S3 W/O S3

V

X

V

X

V

X

V

X

V

X

V

X

V

X

V

X X

V

X

V

X

V

X

V

X

V

X

V

X

V V

X

V

X

V

X

V

X

V

X

V

X

V

25 DDR VTT Power

A A

Title

Size Document Number Rev

Custom

5

4

3

2

Date: Sheet

Elitegroup Computer Systems

Cover Page

P21G

1

3.0

of

25Saturday, June 04, 2005

5

4

3

2

1

D D

C C

IN OUT

MIC

(

PWM

Semtech SC2643

VRM10.0

UAGP3.0

ALC655

AUDIO CODEC

CNR

RJ45

左黃)右綠

LANPHY

VT6103L

(TQFP48)

P4

(SMD)

LG775

P4M800CE

(UniChrome Pro)

VT8237CD

Clock Gen.

ICS952911

DDR DIMM

IDE

ATA 133

USB2.0 X 8

KB & MS

BIOS

ITE8705F

(GXS version)

PCI*3

B B

COM & PP

USB_DT0+/-

LAN RX+/-

R.G.B (37.5)

TX+/-

Impedance

(45/90)

(50/100)

(50/100)S-ATA

FLOOPY

PCI Bus Resource

PCI1 PCI2 PCI3

AD19 AD20 AD21

PCB 2116

8/8/8(47/87)

8/5/8(47/80 allegro)

7.5/7.5/7.5(50/90 guide)

8/8/8(47/87)

8/12/8(47/91 guide)

20/6/8/6/20(56/103)

17/6/8/6/17(guide) group mismatch 20 mil.

50/10/10/10/10/10/50

12/?/12/?/12(guide)

Put 75 ohm on CON

INTA,BCD INTB,CDA INTC,DAB

REQ0 REQ1 REQ2

22U/25DE 100U/16DE

A A

470U/16DE 1000U/10DE 8*14 mm 1500U/16DE 10*25 mm 3300U/25DE 10*25 mm

5

5*7 mm

6.3*11 mm

6.3*11 mm220U/10DE 8*11 mm

2

3S

1

TO-263

B55QS03

D

G

TO-263

2SK3296

4

D

G TO-252

20N03 45N03

FDD6030L

D

G

S

S2

SOT-23

2N7002 SI2303S SI2301S

C

E

B

SOT-23

2N3904 2N3906 MMBT2907A

1

SOT-23

BAT54C

3

2

1

T0-92

LM431 78L05-DTM3055TL-S LM432

3

B

E

C

T0-92

2N2222A 2N2097ABAT54S

B

EC

T0-92

HSD882-D

Title

Size Document Number Rev

Custom

2

Date: Sheet

Elitegroup Computer Systems

Block Diagram

P21G

1

2

3.0

of

25Saturday, June 04, 2005

5

12

FB32

FB-120-08

VCC3_CK

R366 10K

TC12 22uF

1 2

VCC3_CK

2 1

C319 1U-06

2 1

OVER_CLK(4,23)

R430

10K

C302

0.1UF

12

Q29 2N3904

2 1

B

2 1

C320

0.1UF

R371 15K

EC

C303

0.1UF

SMBDT(11,15,19) SMBCK(11,15,19)

C304

0.1UF

2 1

C312 1U-06

2 1

R360 0 R361 4.7K R363 475-1

VCORE

R368

1 2

330

1 2

VCC3

D D

C C

2 1

C308

0.1UF

FB29

1 2

FB-120-08

VCC3

VCC25

C318

0.1UF

2 1

1 2

FB30 FB-120-08

1 2

2 1

C313

0.1UF

2 1

R578 0 R577 0

1 2 1 2 1 2

14.318MHz

C305

0.1UF

X5

C323 22PF

4

VCC3

1 2

2 1

C306

0.1UF

R17

4.7K/NC

-VTTGD

3

C324

22PF

U20

4

VDD_3.3_Ref

11

VDD_3.3_PCI1

18

VDD_3.3_PCI2

22

VDD

26

VDD_3.3_48

28

VDD_3.3_3V66

41

VDD_3.3_CPU

48

VDD_3.3_Core

35

VDD_2.5_25MHz

7

GND_Ref

12

GND_PCI1

19

GND_PCI2

25

GND_48

29

GND_3V66

38

GND_25MHz

44

GND_CPU

47

GND_Core

33

SDATA

32

SCLK

45

Reset#

34

VTT_PwrGD/PD#

46

Iref

36

25MHz-1

37

25MHz-0

5

X1

6

X2

ICS952911BF

*FS_1/Ref-0

**FS_0/Ref-1

Ref-2

**FS3/48MHz

**Sel24_48#/24_48#M

3V66-0 3V66-1

3V66-3/VCH 48M

**FS2/PCIF-0 **FS4/PCIF-1

PCIF-2

**Mode/PCI-0

PCI-1 PCI-2 PCI-3 PCI-4

*PCI_STOP/PCI-5

*CPU_STOP/PCI-6

CPU-0

CPU-0#

CPU-1

CPU-1#

3

VCC3

R10

4.7K/NC

1 2 3 23 24

31 30 27

8 9 10

13 14 15 16 17 20 21

40 39

43 42

R351 22

FS1 OSC FS3 CLK_48

FS2 FS4

RN74D 33-8P4R RN74C 33-8P4R RN74B 33-8P4R RN74A 33-8P4R

1 2

R352 33

1 2

R353 33

1 2

R354 33

1 2

R355 22

1 2

R356 22

1 2

R357 22

1 2

7 8 5 6 3 4 1 2

R358 33

1 2

R359 33

1 2

R362 33

1 2

R364 33

1 2

R365 33

1 2

R367 33

1 2

HCLK_CPU+ HCLK_CPUHCLK_NB+ HCLK_NB-

CLK_GUIFS0

CLK_24 GCLK_NB

GCLK_AGP GCLK_SB

HCLK_CPU+ HCLK_CPU-

HCLK_NB+ HCLK_NB-

R369 51-1

1 2

R370 51-1

1 2

R372 51-1

1 2

R373 51-1

1 2

CLK_GUI (10)

OSC (15) CLK_48 (14)

CLK_24 (17) GCLK_NB (10)

GCLK_AGP (13) GCLK_SB (16)

PCLK_SB

PCLK_SB (16) PCLK_2 (18) PCLK_1 (18)

PCLK_IO

PCLK_IO (17)

PCLK_ROM

PCLK_ROM (16) PCLK_3 (19)

HCLK_CPU+ (6) HCLK_CPU- (6)

HCLK_NB+ (8) HCLK_NB- (8)

2

CLK_GUI OSC CLK_48 CLK_24 GCLK_NB GCLK_AGP GCLK_SB PCLK_SB PCLK_IO PCLK_ROM DCLKO

For EMI.(Near CK GEN)

10PF /NCC300

21

10PF /NCC301

21

10PF /NCC307

21

10PF /NCC309

21

10PF /NCC310

21

10PF /NCC311

21

10PF /NCC314

21

10PF /NCC315

21

10PF /NCC316

21

10PF /NCC317

21

10PF /NCC322

21

1

2 1

C325

0.1UF

R383

open

0

FB31 FB-120-08

1 2

4.7K(2-3)

5

RJ3 RJ4

0(2-3) 0(2-3)

VCC25

ICS

R381

4.7K

open

B B

RTL DDR

A A

12

TC13 22uF

VCC25

VCC25_CK

C326

0.1UF

2 1

0603

4.7K(1-2)

RJ4

1 3

0(2-3)

C327

0.1UF

2 1

1

0(2-3)

Default

2

0603

U21

5

VDD3.3/2.5

9

VDD3.3/2.5

14

C329

VDD3.3/2.5

21

VDD3.3/2.5

25

VDD3.3/2.5

6

GND1

11

GND2

17

GND3

20

GND4

24

GND5

28

SEL_DDR/SDR#

2

PD#/RESET_IN#*

15

SDATA

16

SCLK

10

BUF_IN

1

FBOUT

ICS93789DF

DDR0T/SDRAM10 DDR0C/SDRAM11

DDR1T/SDRAM0 DDR1C/SDRAM1

DDR2T/SDRAM2 DDR2C/SDRAM3

DDR3T/SDRAM4 DDR3C/SDRAM5

DDR4T/SDRAM6 DDR4C/SDRAM7

DDR5T/SDRAM8 DDR5C/SDRAM9

3 4

7 8

12 13

19 18

23 22

27 26

3

DCLK5+ (11) DCLK5- (11)

DCLK4+ (11) DCLK4- (11)

DCLK3+ (11) DCLK3- (11)

DCLK2+ (11) DCLK2- (11)

DCLK1+ (11) DCLK1- (11)

DCLK0+ (11) DCLK0- (11)

FS0

R380 1K

1 2

FS1

R382 1K

1 2

FS2 FS3 FS4

2

C328

0.1UF

2 1

VCC25

VCC25_CK

12

R381

4.7K/NC

12

R383 0

SMBDT(11,15,19) SMBCK(11,15,19)

R386 22

1 2

R384 4.7K/NC R385 4.7K/NC

10PF/NC

4

3

RJ3

2

DCLKO(9)

DCLKI(9)

VCC3

12

R374

10K

R427 10K R428 10K R429 10K

R375

10K

BSEL0 (6)

BSEL1 (6)

1 2 1 2 1 2

Title

Size Document Number Rev Custom

Date: Sheet

Elitegroup Computer Systems

Clock Generator

P21G

1

3

3.0

of

25Saturday, June 04, 2005

5

4

3

2

1

VCC12

PR37 680-1 PR38 680-1

PRN1A 680-8P4R PRN1B 680-8P4R PRN1C 680-8P4R

VCORE

D D

1 2

VCORE_OK(3,23)

VID4

VID4(7)

VID3

VID3(7)

VID2

VID2(7)

VID1

VID1(7)

VID0

VID0(7)

VID5

VID5(7)

PR56 10

VSS_SENSE

12

1 2

VCC_SENSE

12

FB

PR24

1 2

15K

PC13

33PF

PR33

2.4K-1

PR55 10

VSS_SENSE(7)

C C

VCC_SENSE(7)

B B

PRN1D 680-8P4R

PR29

PC15

4.7K 220PF

PC11

10nF

DVD NTC

PC9

0.1UF

PR32 24K

1 2

VCORE

1 2 3 4 5 6 7 8

12

PR15 NC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

1 2

12 12

PU3 RT9245PC

VID4

VID3

VID2

VID1

VID0

VID125

SGND

FB

COMP

PGOOD

DVD

SS

RT

OFS

PR11 120K

VID5 VID4

VID3 VID2 VID1 VID0

PWM1

PWM2

PWM3

PWM4

VCC5

VCC

CSP4

CSP2

CSP3

CSP1

GND

ADJ

REF

CSN

IMAX

PC7 1U-06

28

27

26

25

24

23

22

21

20

19

18

17

16

15

PR34

8.2K

VCC5

12

PR8

10

PR12 33

1 2

12

PC23

0.1uF

+12VA

12

PHASE4

PHASE2

PHASE3

PHASE1

Near to IC

(0805)

PWM1

+12VA

12

Near to IC

(0805)

1U-08-25V

2 via 2 via

2 via

PWM2

+12VA

12

Near to IC

(0805)

PWM1 PWM2 PWM3 PWM4

PC27 1uF / X7R / 0805

PR23 NC

1 2

PC26 1uF / X7R / 0805 PEC2

PC24 1uF / X7R / 0805

PR21 1.5K

PR22 1.5K

PR30 NC

PC25 1uF / X7R / 0805

PR13 180

12

PR17 120

PR18 1.5K

PR25 NC

1 2

PR19 1.5K

1 2

PR27 NC

1 2

PR57 NC

VCORE

PR2 10

PC3 1U-08-25V

PR10 10

PC8

PR28 10

PC16 1U-08-25V

PC1 0.1uF

30mil

2 via2 via

PC5 0.1uF

30mil

PC12 0.1uF

30mil

2 via2 via

Near to IC

PU1

2

BOOT

7

PVCC VCC6PHASE

3

PWM

4

GND

RT9600CS-S

Near to IC

PU2

2

BOOT

7

PVCC VCC6PHASE

3

PWM

4

GND

RT9600CS-S

Near to IC

PU4

2

BOOT

7

PVCC VCC6PHASE

3

PWM

4

GND

RT9600CS-S

PR1 2.2

1 2

UGATE

LGATE

PR9 2.2

1 2

UGATE

LGATE

PR26 2.2

1 2

UGATE

LGATE

1 8 5

(TO-252)

PR3 2.2

PHASE1

30mil30mil

IPB06N03-S

PR6 2.2

PR14 2.2

PHASE2

30mil30mil

6 power via

IPB06N03-S

PR20 2.2

(TO-252)

PR31 2.2

PHASE3

30mil30mil

IPB06N03-S

PR36 2.2

PWM3

Close to Hi-side MOSFET Drain and Lo-side MOSFET Source

VIN

(0805)

PQ1

2SK3642-S

12

G

PQ2

12

G

PC2

DS

10U-12-16V

DS

(TO-252) (TO-263)

PEC1 1500UF/16V

6 power via

Close to Hi-side MOSFET Drain and Lo-side MOSFET Source

VIN

(0805)

PQ4

2SK3642-S

G

12

PQ5

G

12

PQ6

2SK3642-S

12

G

PQ7

G

12

PC6

DS

10U-12-16V

NTC

DS

NTR1 TR10K-06/NC

Close to Hi-side MOSFET Drain and Lo-side MOSFET Source

VIN

(0805)

DS

10U-12-16V

DS

(TO-252) (TO-263)

PC14

1500UF/16V

PEC12 1500UF/16V

6 power via

12

PR4

(0805)

1-08

30mil

PC4

0.01uF

12

PR16 1-08

(0805)

30mil

PC10

0.01uF

12

PR35

(0805)

1-08

30mil

PC17

0.01uF

PL1

21

CK3W-0.6UD

PL2

21

CK3W-0.6UD

PL3

21

CK3W-0.6UD

VCORE

PEC4 1800UF/6.3V

PEC3 1800UF/6.3V

PEC8 1800UF/6.3V

PEC5 1500UF/6.3V/NC

PEC6 1500UF/6.3V/NC

PEC7 1800UF/6.3V

PEC9 1800UF/6.3V

Vcore+

PEC151500UF/6.3V/NC

PEC111800UF/6.3V

Vcore-

PEC141800UF/6.3V

PEC161500UF/6.3V/NC

PEC101800UF/6.3V

Close to Hi-side MOSFET Drain and Lo-side MOSFET Source

PQ9

2SK3642-S

12

PHASE4

PQ10

IPB06N03-S

12

VIN

G

(0805)

PC19

DS

10U-12-16V

DS

(TO-252) (TO-263)

6 power via

2

PEC13 1500UF/16V

PL4

12

PR45 1-08

30mil

PC22

0.01uF

21

CK3W-0.6UD

+12VA

(0805)

PWR2

4 2

PW-4P2R

Title

Size Document Number Rev Custom

Date: Sheet of

Elitegroup Computer Systems

P21G

CK-0.9UH-D

3 1

1

PL5

21

VIN

4

3.0

25Saturday, June 04, 2005

Place the components near to the PWM IC

+12VA

12

PR5

7.5K

DVD

DS

-VIDGD

-VIDGD(6)

A A

G

PQ3

2N7002-S

5

12

PR7

1K

PWR_TEST1

H4X1

2.0mm

VCORE

Pin 2

1 2 3 4

防呆

VID4

4

LL_ID0(7)

NORTHWOOD:LOW

PR52 1K/NC

VCC12

.

12

Near to IC

(0805)

PC21

1U-08-25V

2 via

3

+12VA

12

PR41 10

PWM4

30mil

2 via

PC18 0.1uF

Near to IC

PU5

2

BOOT

7

PVCC VCC6PHASE

3

PWM

4

GND

PR40 2.2

1 2

UGATE

LGATE

RT9600CS-S

1 8 5

(TO-252)

PR42 2.2

30mil30mil

PR47 2.2

5

VCC5

U10

D D

AMS1117-S

(SOT-223)

U13

AMS1117-S

C C

(SOT-223)

OUT

ADJ

OUT

ADJ

SB5V

I

IN

O A

SB5V

I

IN

O A

SB3V

12

TC7 100UF

TC10 100UF

Vref=2.495V

(SOT-23)

12

R92 110-1

12

R91 180-1

2_5VSB

12

R122 180-1

12

R121 180-1

R70

220

1 2

Q8 GS431-S

A C

R

4

VREF_OP

12

C86 1000PF

12

R73 1K-1

VCC1.26V

R71 1K-1

VCC3

LM358-S

+

5

7

-

6

U9B

R76

1 2

12

270-1

R78 1K-1

G

DS

(TO-252)

D8*14mm

For AGP Power VDDQ

NEAR AGP SLOT

Q9

P3055LD-S

3

+

VAGP

12

EC3 100uF

12

EC6

+

1000UF/6.3V

VCC1.25V

VREF_OP1

1 3

0(1-2)

2

VCC3

12

+

RJ1

12

R75 10K-1

LM358-S

+

3

1

-

2

U9A

8 4

+12V

R72 20-1

1 2

R552 270-1

Q1

B

MMBT3904

E C

R554 1K-1

BC8

1 2

0.1UF

SB3V

R553 1K-1

G

DS

Q11

P3055LD-S

(TO-252)

-INTE (14)

D8*14mm

EC4 100uF

VDD

1

12

EC5

+

1000UF/6.3V

VCC5

For VIA P4M800 VDD Power 2.5V

R215

220

SB3V

12

B B

R98 0

R99 360/NC

SB3V

Q15

B

2N3904

+1.5VSUSNB

E C

(SOT-23)

Vref=2.495V

1 2

Q25 GS431-S

A C

VREF_OP1

R

12

C201 1000PF

12

R218 1K-1

12

R220 1K-1

U19B

+

5

7

-

6

LM358-S

R225

1 2

12

R222 2K-1

2.1K-1

VCC3

DS

Q16 P3055LD-S

G

VCC25

12

EC7

1000UF/6.3V

12

R224 10K-1

B

R558 910-1

Q2 MMBT3904

E C

VREF_OP1VCC1.25V

R557 270-1

Q3

B

MMBT3904

E C

3 2

D8*14mm

R556

1 2 1 2 1 2 1 2 3 4 5 6 7 8

1K-1

For VIA 8237SB Power VCC25

SB5V

1 2

A A

ATXPOK(23,25) -SUSC (15)

R160

1 2

1K/NC

B

E C

5

R163

4.7K/NC

Q18 2N3904/NC

+12V

R175 1K/NC

1 2

DUALSW

DS

Q19 2N7002-S/NC

G

VCC25_M

Q21 IPD20N03L-S /NC

S

(TO-252)

DUALSW

VCC_DIMM

D

G

1 2

R166 10K/NC

4

(SOT-23)

Q20 SI2301DS/NC

D S

G

R159 10K/NC

1 2

EC

B

Q17 2N3906-S/NC

2_5VSB

1 2

R237 1K/NC

3

S3 Function Del

R167 Pull -Hi

-SUSC

R501 0 R502 0 R503 0

RN70A 0-8P4R/NC RN70B 0-8P4R/NC RN70C 0-8P4R/NC RN70D 0-8P4R/NC

R555 1K-1

VCC_DIMMVCC25_M

R560 1K-1

For VIA P4M800-NB VCC_DIMM Power 2.5V

2

NEAR P4M800 CHIP

VCC3

+

-

8 4

SB3V

U19A

1

LM358-S

+12V

1 2

R221

1 2

20-1

GPO27 (15)

R561 1K-1

0.1UF BC25

GPO26 (15)

DS

Q27 P3055LD-S

G

(TO-252)

12

EC10

1000UF/6.3V

D8*14mm

VCC25_M

& For VCC_DIMM Power 2.5V

Title

Size Document Number Rev Custom

Date: Sheet

Elitegroup Computer Systems

Power (DC to DC)

P21G

VCC_DIMM

12

1000UF/6.3V

1

EC8

12

EC9

1000UF/6.3V

5

3.0

of

25Friday, July 01, 2005

5

CPU1A

HA[3:33](8)

D D

C C

B B

A A

HA3 HA4 HA5 HA6 HA7 HA8 HA9 HA10 HA11 HA12 HA13 HA14 HA15 HA16 HA17 HA18 HA19 HA20 HA21 HA22 HA23 HA24 HA25 HA26 HA27 HA28 HA29 HA30

HA31 HA32 HA33

HD[0:63](8)

-DBI[0:3](8)

SR25 0 SR27 0

HD0 HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8 HD9 HD10 HD11 HD12 HD13 HD14 HD15 HD16 HD17 HD18 HD19 HD20 HD21 HD22 HD23 HD24 HD25 HD26 HD27 HD28 HD29 HD30 HD31 HD32 HD33 HD34 HD35 HD36 HD37 HD38 HD39 HD40 HD41 HD42 HD43 HD44 HD45 HD46 HD47 HD48 HD49 HD50 HD51 HD52 HD53 HD54 HD55 HD56 HD57 HD58 HD59 HD60 HD61 HD62 HD63

-DBI3

-DBI2

-DBI1

-DBI0

L5

A#3

P6

A#4

M5

A#5

L4

A#6

M4

A#7

R4

A#8

T5

A#9

U6

A#10

T4

A#11

U5

A#12

U4

A#13

V5

A#14

V4

A#15

W5

A#16

AB6

A#17

W6

A#18

Y6

A#19

Y4

A#20

AA4

A#21

AD6

A#22

AA5

A#23

AB5

A#24

AC5

A#25

AB4

A#26

AF5

A#27

AF4

A#28

AG6

A#29

AG4

A#30

AG5

A#31

AH4

A#32

AH5

A#33

AJ5

A#34

AJ6

A#35

B4

D#0

C5

D#1

A4

D#2

C6

D#3

A5

D#4

B6

D#5

B7

D#6

A7

D#7

A10

D#8

A11

D#9

B10

D#10

C11

D#11

D8

D#12

B12

D#13

C12

D#14

D11

D#15

G9

D#16

F8

D#17

F9

D#18

E9

D#19

D7

D#20

E10

D#21

D10

D#22

F11

D#23

F12

D#24

D13

D#25

E13

D#26

G13

D#27

F14

D#28

G14

D#29

F15

D#30

G15

D#31

G16

D#32

E15

D#33

E16

D#34

G18

D#35

G17

D#36

F17

D#37

F18

D#38

E18

D#39

E19

D#40

F20

D#41

E21

D#42

F21

D#43

G21

D#44

E22

D#45

D22

D#46

G22

D#47

D20

D#48

D17

D#49

A14

D#50

C15

D#51

C14

D#52

B15

D#53

C18

D#54

B16

D#55

A17

D#56

B18

D#57

C21

D#58

B21

D#59

B19

D#60

A19

D#61

A22

D#62

B22

D#63

C20

DBI3

D19

DBI2

G11

DBI1

A8

DBI0

5

775P SMD

A20M FERR

LINT0 LINT1

IGNNE

STPCLK ADSTB0

ADSTB1

DBSY

DEFER

DRDY

HITM

TRDY

BPRI

LOCK PCREQ EDRDY

REQ0 REQ1 REQ2 REQ3 REQ4

BOOTSELECT

SKTOCC

DSTBP0 DSTBN0 DSTBP1 DSTBN1 DSTBP2 DSTBN2 DSTBP3 DSTBN3

BCLK0 BCLK1

ITP_CLK1 ITP_CLK0

IERR

MCERR

DBRESET

RESET

PWRGOOD

VTTPWRGD

COMP0 COMP1 COMP2 COMP3

TEST1 TEST2 TEST3 TEST4

DEP0

DEP1

DEP2

DEP3

THERMDA THERMDC

THERMTRIP

PROCHOT

TESTHI0 TESTHI1 TESTHI2 TESTHI3 TESTHI4 TESTHI5 TESTHI6 TESTHI7 TESTHI8

TESTHI9 TESTHI10 TESTHI11 TESTHI12

BSEL0 BSEL1 BSEL2

TRST

-A20M

K3 R3 P3

INIT

K1 L1 N2 P2

SMI

L2

SLP

M3 D2

ADS

R6 AD5 C2

BNR

B2 G7 C1 D4

HIT

E4 E3 G8 F3

BR0

C3 G5 F2

K4 J5 M6 K6 J6

B3

RS0

F5

RS1

A3

RS2

Y1 AE8

B9 C8 E12 G12 G19 G20 C17 A16

F28 G28

AJ3 AK3

AB2 AB3 AC2 G23 N1

AM6 A13

T1 G2 R1

E23 E7 F23 F6 J16 H15 H16 J17

AL1 AK1 M2 AL2

F26 W3 F25 G25 G27 G26 G24 F24 G3 G4 H5 P1 W2

G29 H30 G30

AE1

TCK

AD1

TDI

AF1

TDO

AC1

TMS

AG1

-FERR

-CPUINIT INTR NMI

-IGNNE

-SMI

R59

1 2

-STPCLK

-ADS

-HA_STB0

-HA_STB1

-BNR

-DBSY

-BREQ0

BOOTSELECT

-IERR

R564 150

-CPURST PWRGD_CPU

VIDGD

CPU_COMP0 CPU_COMP1 CPU_COMP2 CPU_COMP3

R69 0

CPU_THERM HM-AGND

-TRIP

-PROCHOT HTEST0

HTEST1 HTEST2

HTEST8 HTEST9 HTEST10 HTEST11 HTEST12

BSEL0 BSEL1 BSEL2

TCK TDI TDO TMS

-TRST

-A20M (16)

-FER R (16)

-CPUINIT (16) INTR (16) NMI (16)

-IGNNE (16)

-SMI (16)

0

-STPCLK (16)

-ADS (8)

-HA_STB0 (8)

-HA_STB1 (8)

-BNR (8)

-DBSY (8)

-DEFER (8)

-DRDY (8)

-HIT (8)

-HITM (8)

-HTRDY (8)

-BPRI (8)

-BREQ0 (8)

-HLOCK (8)

1

TP1 TP

1

TP4 TP

-HREQ0 (8)

-HREQ1 (8)

-HREQ2 (8)

-HREQ3 (8)

-HREQ4 (8)

-RS0 (8)

-RS1 (8)

-RS2 (8)

-HD_STBP0 (8)

-HD_STBN0 (8)

-HD_STBP1 (8)

-HD_STBN1 (8)

-HD_STBP2 (8)

-HD_STBN2 (8)

-HD_STBP3 (8)

-HD_STBN3 (8)

HCLK_CPU+ (3) HCLK_CPU- (3)

VTT_LEFT

-CPURST (8) PWRGD_CPU (23)

R329 60.4-1

1 2

R331 60.4-1

1 2

R333 100-1/NC

1 2

R335 100-1/NC

1 2

1

TP6 TP

1

TP7 TP

1

TP8 TP

1

TP10 TP

1

TP11 TP

1

TP12 TP

1

TP13 TP

CPU_THERM (17) HM-AGND (17)

-TRIP (23)

-PROCHOT (7)

BSEL0 (3) BSEL1 (3)

-CPURST

-IERR

-FERR

-TRIP HTEST0 HTEST2

-SLP (16)

4

R524 62-1

1 2

R525 62-1/NC

1 2

R391 62-1/NC

1 2

R392 62-1

1 2

R396 62-1

1 2

R393 62-1

1 2

-CPUINIT

-SLP

PWRGD_CPU

R60

1 2

-CPURST

VTT_LEFT

pin E23,E7,F23,F6,H15,H16, J16,J17,U2,U3 for LGA775 ICT test

C330

33P-06-O

2 1

C331

33P-06-O

2 1

C332

33P-06-O

2 1

0

C333

33P-06-O

2 1

VID_SEL

VCC12

CPU1C

AM24 AM27 AM28

AN10 AN13 AN16 AN17

AN20 AN23 AN24 AN27 AN28

VTT_RIGHT

VIDGD

+3.3V

R472 110_1%

2N7002LT1

R473

61.9_1%

4

R474 249_1%

DS

HTEST0

C88

0.1uF

G

GTLREF_SEL

Q44

C337

1U-06

J4

J7 K2 K5 K7

L23 L24 L25 L26 L27 L28 L29

L3

L30

L6

L7 M1 M7 N3 N6 N7

P23 P24 P25 P26 P27 P28 P29 P30

P4 P7 R2

R23 R24 R25 R26 R27 R28

AM4 AM7 AN1

AN2

AN7

B1

B11 B14 B17 B20 B24

12

21

R527 680/NC

.1U-06-O

GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND

C334

AN8

AN9

J10

J11

J12

J13

VCC_CPU

VCC_CPUN8VCC_CPUP8VCC_CPUR8VCC_CPU

N26

N27

N28

N29

N30

VTT_LEFT

12

R528 680/NC

2 1

GTLREF_SEL (8,25)

J14

J15

VCC_CPU

Q32 2N7002-S

J18

J19

VCC_CPU

T23

T24

VCC12

J20

J21

VCC_CPU

T25

T26

12

R397 1K

DS

3

J22

J23

J24

J25

VCC_CPU

T27

T28

T29

T30

R399

4.7K

G

Q33

2N3904

BSEL1 BSEL0

3

VCORE

J26

J27

J28

J29

J30

VCC_CPU

VCC_CPUT8VCC_CPU

VCC_CPU

U23

U24

U25

U26

U27

VCORE

SB5V

1 2

E C

00 01 10 11

VCC_CPUJ8VCC_CPUJ9VCC_CPU

VCC_CPU

U28

B

K23

VCC_CPU

U29

VCC12

K24

K25

K26

VCC_CPU

VCC_CPUU8VCC_CPUV8VCC_CPU

U30

-VIDGD

12

R402

4.7K

1U-06

2 1

CPU FREQ

Reserved

K27

VCC_CPU

W23

C338

100 133 200

K28

K29

K30

VCC_CPU

W24

W25

W26

775P SMD

M23

M24

M25

VCC_CPU

VCC_CPUK8VCC_CPUL8VCC_CPU

VCC_CPU

W27

W28

W29

W30

-VIDGD (4)

VCC_CPU

VCC_CPUW8VCC_CPU

M26

VCC_CPU

Y23

M27

M28

VCC_CPU

Y24

Y25

VCC12

2

CPU1D

Y7

GND

Y5

GND

M29

M30

N23

N25

N24

B5

GND

B8

GND

C10

GND

VCC_CPU

VCC_CPUM8VCC_CPU

VCC_CPU

C13

GND

C16

GND

C19

GND

C22

GND

C24

GND

C4

GND

C7

GND

D12

GND

D15

GND

D18

GND

D21

GND

D24

GND

D3

GND

D5

GND

D6

GND

D9

GND

E11

GND

E14

GND

E17

GND

E2

GND

E20

GND

E25

GND

E26

GND

E27

GND

E28

GND

E29

GND

E8

GND

F10

GND

F13

GND

F16

GND

F19

GND

F22

GND

F4

GND

F7

GND

G1

GND

H10

GND

H11

GND

H12

GND

H13

GND

H14

GND

H17

GND

H18

GND

H19

GND

H20

GND

H21

GND

H22

GND

H23

GND

H24

GND

H25

GND

H26

GND

H27

GND

H29

GND

H3

GND

H6

GND

H7

GND

H8

GND

H9

GND

VCC_CPU

Y8

Y26

Y27

Y28

Y29

Y30

C336 1U-06

2 1

Y2

GND

W7

GND

W4

GND

V7

GND

V6

GND

V30

GND

V3

GND

V29

GND

V28

GND

V27

GND

AF30

GND

A20

RE1

775P SMD

B13

RE2

C9

RE3

D1

RE4

D14

RE5

D16

RE6

D23

RE7

E5

RE8

E6

RE9

RE12

RE15

E24

G10

12

R62 0

GTLREF_SEL

BPM2

R505 49.9-1

BPM2(7)

-IERR TDO

TDI TMS

BOOTSELECT

TCK

-TRST

BSEL2

2

1 2

R504 62-1

1 2

R506 49.9-1

1 2

R507 49.9-1

1 2

R508 49.9-1

1 2

R510 62-1/NC

1 2

R509 49.9-1

1 2

R398 49.9-1

1 2

R403 470-O

1 2

RE16H2RE17J2RE18J3RE19N4RE20

R29

GND

R30

GND

R5

GND

R7

GND

T3

GND

T6

GND

T7

GND

U1

GND

U7

GND

V23

GND

V24

GND

V25

GND

V26

GND

H28

GND

AH2

RE31

AM5

RE30

AE6

RE29

AE4

RE28

AE3

RE27

AC4

RE26

Y3

RE25

W1

RE24

V1

RE23

T2

RE22

P5

RE21

N5

CPU_COMP4

GTLREF1

VTT_RIGHT

VTT_LEFT

VID6

1

CPU_COMP7 CPU_COMP6

MSID0

MSID1

CPU_COMP5

GTLVREF_NB (8)

CPU_COMP2

CPU_COMP3

GTLREF1

C321 220PF

-A20M

-IGNNE INTR

-STPCLK

-CPUINIT HTEST11 NMI

-SLP

-SMI HTEST1 HTEST12

HTEST10 HTEST8 HTEST9

-BREQ0

-CPURST

C343

1U-06

C335

1U-06/NC

PWRGD_CPU

21

Title

Size Document Number Rev

Date: Sheet

-FERR

Custom

1

R438

60.4-1

CPU_COMP7

1 2

R439

CPU_COMP6

1 2

60.4-1

1 2

R449

1 2

62-1

MSID0 MSID1

VID_SEL

VTT_RIGHT

12

C345

0.1UF

R440

60.4-1 R441

60.4-1

R444

60.4-1

1 2

R445

1 2

60.4-1 R442 62-1

1 2

R443

1 2

62-1 R448

1 2

62-1

R376 75-1

R377 100-1

CPU_COMP5 CPU_COMP4

-SLP

VTT_LEFT

R390 62-1

1 2

R389 62-1

1 2

R388 62-1

1 2

R387 62-1

1 2

RN85 62-8P4R

1 2 3 4 5 6 7 8

RN86 62-8P4R

7 8 5 6 3 4 1 2

RN87 62-8P4R

1 2 3 4 5 6 7 8

R394 62-1/NC

1 2

R395 62-1

1 2

R526 62-1

1 2

Elitegroup Computer Systems

CPU P4-775(FSB)

P21G

1

6

VTT_RIGHT

VTT_LEFT

C340

21

1U-06

C341

21

1U-06

C342

21

1U-06

of

25Tuesday, June 07, 2005

3.0

5

4

3

2

1

-HAP1(8)

-HAP0(8)

VCORE VCC12

D D

AA8

AB8 AC23 AC24 AC25 AC26 AC27 AC28 AC29 AC30

AC8 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30

AD8 AE11 AE12 AE14 AE15 AE18

C C

B B

A A

AE19 AE21 AE22 AE23

AF11 AF12 AF14 AF15 AF18 AF19 AF21 AF22

AA23 AA24 AA25 AA26 AA27 AA28 AA29

AA30

AB23 AB24 AB25 AB26 AB27 AB28 AB29 AB30

AE10 AE13 AE16 AE17

AE20 AE24 AE25 AE26 AE27

AE9

A12

A15

A18

A21

A24

AA3

AA6

AA7

AB1

AB7

AC3

AC6

AC7

AD4

AD7

AE2

A2

A6 A9

CPU1B

VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU

GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND

AE28

GND

AE29

5

GND

AH22

VCC_CPU

GND

AE30

AF8

AF9

AG11

VCC_CPU

GND

AE5

AE7

AF10

775P SMD

AG12

VCC_CPU

GND

AF13

AG14

VCC_CPU

GND

AF16

AG15

VCC_CPU

GND

AF17

AG18

VCC_CPU

GND

AF20

AG19

VCC_CPU

GND

AF23

AG21

VCC_CPU

GND

AF24

AG22

VCC_CPU

GND

AF25

AG25

VCC_CPU

GND

AF26

AG26

VCC_CPU

GND

AF27

AG27

VCC_CPU

GND

AF28

AG28

VCC_CPU

GND

AF29

AG29

VCC_CPU

GND

AF3

AG30

VCC_CPU

GND

AF6

AG8

AF7

VCC_CPU

GND

AG9

VCC_CPU

GND

AG10

AH11

VCC_CPU

GND

AG13

AH12

VCC_CPU

GND

AG16

AH14

VCC_CPU

GND

AG17

AH15

VCC_CPU

GND

AG20

AH18

VCC_CPU

GND

AG23

AH19

VCC_CPU

GND

AG24

AH21

VCC_CPU

GND

AG7

AH25

VCC_CPU

GND

AH1

AH26

VCC_CPU

GND

AH10

AH27

VCC_CPU

GND

AH13

AH28

VCC_CPU

GND

AH16

AH29

VCC_CPU

GND

AH17

AH30

VCC_CPU

GND

AH20

AH8

VCC_CPU

GND

AH23

4

AH9

VCC_CPU

GND

AH24

AJ11

AH3

VCC_CPU

GND

AJ12

AH6

VCC_CPU

GND

AJ14

AH7

VCC_CPU

GND

AJ15

AJ18

AJ19

AJ21

AJ22

AJ25

B30

B29

B25

A29

VCC_CPU

VCC_CORE

GND

AJ10

AJ13

AJ16

AJ17

AJ20

AJ23

AJ24

AJ27

AJ28

AJ29

AJ30

C29

VCC_CORE

GND

AJ4

A26

VCC_CORE

GND

AJ7

B27

VCC_CORE

GND

AK10

C28

VCC_CORE

GND

AK13

A25

VCC_CORE

GND

AK16

A28

VCC_CORE

GND

AK17

A27

VCC_CORE

GND

AK2

C30

VCC_CORE

GND

AK20

A30

VCC_CORE

GND

AK23

C25

VCC_CORE

GND

AK24

C26

VCC_CORE

GND

AK27

C27

VCC_CORE

GND

AK28

B26

VCC_CORE

GND

AK29

D27

VCC_CORE

GND

AK30

D28

VCC_CORE

GND

AK5

D25

VCC_CORE

GND

AK7

D26

VCC_CORE

GND

AL10

B28

VCC_CORE

GND

AL13

D29

AL16

3

D30

VCC_CORE

GND

AL17

GND

AL20

F29

U3

H4

AP0U2AP1

RSP

VTT_PKGSENSE

GND

AL23

AL24

AL27

AL28

AJ2

AL3

BPM0

GND

BPM0 BPM1 BPM2

BPM2 (6)

BPM3 BPM4 BPM5

AJ1

AD2

AG2

AF2

AG3

AD3

BINIT

BPM1

BPM2

BPM3

BPM4

BPM5

GND

AL7

AM1

AM10

AM13

AM16

AM17

AM20

AK6

G6

RSVD1 RSVD2

RSVD3

RSVD4

GTLREF

VCCIOPLL

VCC_SENSE VSS_SENSE

VTT_OUT1 VTT_OUT2

VTT_SEL

LL_ID0 LL_ID1

VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU VCC_CPU

GND

AM23

VCCA VSSA

R347 62-06-O

1 2

R348 62-06-O

1 2

VCC_SENSE

AN5

VSS_SENSE

AN6

H1 A23

B23 C23 AN3

AN4 AA1

J1

VTT_SEL

F27

LL_ID0

V2

LL_ID1

AA2 AM2

VID0

AL5

VID1

AM3

VID2

AL6

VID3

AK4

VID4

AL4

VID5

AJ26 AJ8 AJ9 AK11 AK12 AK14 AK15 AK18 AK19 AK21 AK22 AK25 AK26 AK8 AK9 AL11 AL12 AL14 AL15 AL18 AL19 AL21 AL22 AL25 AL26 AL29 AL30 AL8 AL9 AM11 AM12 AM14 AM15 AM18 AM19 AM21 AM22 AM25 AM26 AM29 AM30 AM8 AM9 AN11 AN12 AN14 AN15 AN18 AN19 AN21 AN22 AN25 AN26 AN29 AN30

GTLREF

VCCA_CPU VSS_CPU

VCCIO_CPU

VTT_RIGHT

VTT_LEFT

VCC_SENSE (4) VSS_SENSE (4)

VTT_RIGHT

VTT_LEFT

TP2 TP

1

LL_ID0 (4)

1

TP3 TP

VID0 (4) VID1 (4) VID2 (4) VID3 (4) VID4 (4) VID5 (4)

VCORE

2

VTT_SEL

1 2

1K/NC

VCORE

-PROCHOT(6)

R529

VCC3

C275 10UF-08 C276 10UF-08 C278 10UF-08 C280 10UF-08 C282 10UF-08

C286 10UF-08 C287 10UF-08 C289 10UF-08 C291 10UF-08 C293 10UF-08

PN

SC53 100U/D-TYPE-O

21 21 21 21 21

C285 100U-SMD

P N

21 21 21 21 21

PN

SC54 100U/D-TYPE-O

Title

Size Document Number Rev

Custom

Date: Sheet

R511 49.9-1

BPM5 BPM3 BPM4

BPM1 BPM0

1 2

R512 49.9-1

1 2

R513 49.9-1

1 2

R514 49.9-1

1 2

R345 49.9-1

1 2

R346 49.9-1

1 2

GTLREF

C271 220PF

2 1

VCCA_CPU VSS_CPU VCCIO_CPU

PN

C296

100U-SMD

Elitegroup Computer Systems

CPU P4-775(PWR, GND)

P21G

VTT_RIGHT

C272

0.1UF

2 1

L10 IND-4.7U-08

21

C273 10UF-08

L11

21

IND-4.7U-08 C274 10UF-08

VCORE

C277 10UF-08 C279 10UF-08 C281 10UF-08 C283 10UF-08 C284 10UF-08

C288 10UF-08 C290 10UF-08 C292 10UF-08 C294 10UF-08 C295 10UF-08

VCORE

C297 10UF-08 C298 10UF-08 C299 10UF-08

1

R349 75-1

12

R350 100-1

VCC12

21 21 21 21 21

21 21 21

7

3.0

of

25Saturday, June 04, 2005

5

4

3

2

1

VTT VCC12

U19

T19

R19

P19

N19

M19

L19

L18

L17

L16

HA3

U12A

HA[3:33](6)

D D

C C

-HA_STB0(6)

-HA_STB1(6)

-ADS(6)

-BNR(6)

-BPRI(6)

-BREQ0(6)

-DBSY(6)

-DEFER(6)

-DRDY(6)

-HIT(6)

-HITM(6)

-HLOCK(6)

-HTRDY(6)

-HREQ0(6)

-HREQ1(6)

-HREQ2(6)

-HREQ3(6)

-HREQ4(6)

-RS0(6)

-RS1(6)

-RS2(6)

-DBI[0:3](6)

B B

GTLVREF_NB(6)

-CPURST(6)

HCLK_NB+(3)

HCLK_NB-(3)

GTLVREF_NB

-HAP0(7)

-HAP1(7)

HCOMPVREF

-DPWR

HA4 HA5 HA6 HA7 HA8 HA9

HA1 0 HA1 1 HA1 2 HA1 3 HA1 4 HA1 5 HA1 6 HA1 7 HA1 8 HA1 9 HA2 0 HA2 1 HA2 2 HA2 3 HA2 4 HA2 5 HA2 6 HA2 7 HA2 8 HA2 9 HA3 0 HA3 1

HA32 HA33

-DBI0

-DBI1

-DBI2

-DBI3

-HAP0

-HAP1

HRCOMP

1

Y29 V27

AA29

Y27

Y26 AC27 AA28 AB27 AA27 AC29 AB29 AB28 AC26 AD29

T28

R28

N29

N28

P29

P27

R27

N26

T26

P26

R25

N27

N25

R29

T27

U26

T25

W28

R26

M29 M28

T29

K26

M25

U27

M26

L27

U29

L29

M24 W27

V28

V26

W29

V29

L26

M27

K25

C29

H27

B21

A21

D14

Y23

W23

R24

V24

F22

G24

F19

F16

L24

N24

W26 G25 G26

K24

P4M800 CE

HA3 HA4 HA5 HA6 HA7 HA8 HA9 HA10 HA11 HA12 HA13 HA14 HA15 HA16 HA17 HA18 HA19 HA20 HA21 HA22 HA23 HA24 HA25 HA26 HA27 HA28 HA29 HA30 HA31 HA32 HA33

HADSTB0 HADSTB1

ADS BNR BPRI BREQ DBSY DEFER DRDY HIT HITM HLOCK HTRDY

HREQ0 HREQ1 HREQ2 HREQ3 HREQ4 RS0 RS1 RS2

HDBI0 HDBI1 HDBI2 HDBI3

CPURST HCLK+

HCLK-

HAVREF0 HAVREF1

HDVREF0 HDVREF1 HDVREF2 HDVREF3

GTLVREF HAP0

HAP1 HRCOMP HCOMPVREF

DPWR

GND

A16

A19

B22

GND

VTT

GND

E29

E26

E25

E22

B25

B28

D16

D19

D15

L15

V18

GND

U18

HDSTB0P

HDSTB0N

HDSTB1P

HDSTB1N

HDSTB2P

HDSTB2N

HDSTB3P

HDSTB3N

GND

T18

AC28

HD0 HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8

HD9 HD10 HD11 HD12 HD13 HD14 HD15 HD16 HD17 HD18 HD19 HD20 HD21 HD22 HD23 HD24 HD25 HD26 HD27 HD28 HD29 HD30 HD31 HD32 HD33 HD34 HD35 HD36 HD37 HD38 HD39 HD40 HD41 HD42 HD43 HD44 HD45 HD46 HD47 HD48 HD49 HD50 HD51 HD52 HD53 HD54 HD55 HD56 HD57 HD58 HD59 HD60 HD61 HD62 HD63

VTT

GND

L25

L28

P25

P28

Y25

Y28

H26

H29

P18

U28

U25

N18

R18

M18

D27 D26 A29 C26 C28 D28 A27 B29 A26 B26 D25 E24 A25 A28 D24 C25 K28 K29 J28 K27 J26 J29 J25 J27 F28 G29 G27 D29 E27 F27 E28 F29 E23 B24 C24 A24 A23 B23 A22 C23 F21 C22 E21 C21 D20 D21 F20 E20 B19 C19 B20 B18 C20 A20 C18 B17 B16 A17 C14 C15 A18 B15 B14 A15

B27 C27

H28 G28

D23 D22

C17 C16

HD10 HD11 HD12 HD13 HD14 HD15 HD16 HD17 HD18 HD19 HD20 HD21 HD22 HD23 HD24 HD25 HD26 HD27 HD28 HD29 HD30 HD31 HD32 HD33 HD34 HD35 HD36 HD37 HD38 HD39 HD40 HD41 HD42 HD43 HD44 HD45 HD46 HD47 HD48 HD49 HD50 HD51 HD52 HD53 HD54 HD55 HD56 HD57 HD58 HD59 HD60 HD61 HD62 HD63

HD0 HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8 HD9

HD[0:63] (6)

-HD_STBP0 (6)

-HD_STBN0 (6)

-HD_STBP1 (6)

-HD_STBN1 (6)

-HD_STBP2 (6)

-HD_STBN2 (6)

-HD_STBP3 (6)

-HD_STBN3 (6)

C530 0.1uF C531 0.1uF

For EMI

+12V VCORE

R477

R476

8.2K

619_1%

DS

Q45

GTLREF_SEL(6,25)

G

2N7002LT1

GTLVREF_NB

VCORE+3.3V

A A

VCC12 VCC12

1 2

12

SR13 150-1 /B

SR11

49.9-1 /B

SC6

0.1UF /B

2 1

5

SR14 20-1 /B

1 2

HCOMPVREF

HRCOMP

VCC12

1 2

SR16

49.9-1 /B

GTLVREF_NB

12

SR15 100-1 /B

VDD

SC29 0.1UF /B

SC32 0.1UF /B SC12 0.1UF /B SC9 0.1UF /B SC17 0.1UF /B/NC

SC23

SC20

0.1UF /B

2 1

4

SC21 0.1UF /B SC15 0.1UF /B SC13 0.1UF /B

3

21 21 21 21 21 21

SC14 0.1UF /B

SC2 0.1UF /B

SC35 0.1UF /B

SC1 0.1UF /B

SC33 0.1UF /B

SC16 0.1UF /B

21 21 21 21 21 21 21 21

2

Title

Size Document Number Rev Custom

Date: Sheet

Elitegroup Computer Systems

NB P4M800(CPU)

P21G

1

8

3.0

of

25Monday, June 06, 2005

ECS P21G Schematics rev3.0

Specifications and Main Features

Frequently Asked Questions

User Manual