Desktop Motherboard U8798PV13 Schematics

A
http://laptop-motherboard-schematic.blogspot.com/
B
BIOSTAR GROUP
VIA P4X400 + VIA VT8235CD Chips
C
D
E
4 4
TITLE
COVER SHEET
SYSTEM BLOCK
SHEET
1
2
U8798P
(U8798 Pro)
GENERAL SPEC.
CHANGE LIST
NORTH BRIDGE (VIA KT333 CF)
SOUTH BRIDGE (VIA VT8235)
3 3
CLOCK SYNTHESIZER
DDR DIMM 1&2&3
AGP8X SLOT
PCI SLOT
CNR SLOT
IDE CONNECTORS
USB
2 2
AC'97 CODEC,AUDIO / GAME PORT
3
4
5,6
7,8,9,10
11,12,13
14
15,16,17
18
19,20,21
22
23
24
25
VER:1.3
LPC I/O,FDD
COM/LPT PORTS, RI, WOL, WOM & FRONT PANEL, BUZZER
ATX POWER & BYPASS CAPACITORS
VCC_CORE DC-DC CONVERTER
MISCELLANEOUS DC-DC CONVERTERS, SUSPEND TO RAM(STR), FID
PS2 , FAN , Anti-POP
1 1
LAN PHY
CAP
A
B
C
26
27
28
29
30
31
32
33
Title
COVER SHEET
Size Document Number Rev
C
D
Date: Sheet
U8798P
of
133Friday, June 06, 2003
E
1.3
A
http://laptop-motherboard-schematic.blogspot.com/
FSB
200/533/800 MHZ
4 4
HOST BUS
B
INTEL P4 socket478
PROCESSOR
DATAADDCONTROL
C
CLOCK
ICS 950905
14.318MHZ
D
E
HOST BUS
CLOCK
ICS 93718
100/133/200 MHZ
AGP 8X
North Bridge
VT8754
CNTL
ADDR
DATA
MEMORY
2 DDR DIMM
P4X400
3 3
PCI BUS
V-LINK
USB
CNR SLOT
South Bridge
VT8237
AC' 97
2 2
CODEC
SATA
SATA
USB
CNTL
USB
USB
8 USB(V2.0) CONN
VT6103
PHY
IDE
IDE
RJ45
ADDR/DATA
CNTL
PCI CONN
PCI CONN
PCI CONN
PCI CONN
LPC
PCI CONN
MOUSE
1 1
A
KEYBOARD
B
FLOPPY CONN.
LPT. CONN.
SER. CONN.
SER. CONN.
BIOS
Title
SYSTEM BLOCK
Size Document Number Rev
Custom
C
D
Date: Sheet
U8798P
233Friday, June 06, 2003
E
1.3
of
ITE 8705
A
http://laptop-motherboard-schematic.blogspot.com/
B
C
D
E
M7VIP Grand
4 4
1. CPU --- AMD Socket-A(2-Phase Power)
2. CHIPSET --- VIA KT333CF + VT8237
3. MEMORY --- 3 DDR SDRAM(Max. 3GB)
4. SLOTS --- AGP(4X)x1, PCIx5, CNRx1
5. CODEC --- C-Media CMI9739A 6-Channel Audio
6. LAN PHY --- VIA VT6103
3 3
7. SATA --- Marvell 88I8030
8. PCB Size = 30.5cmX20.5cm, 4-Layer
2 2
1 1
Title
GENERAL SPEC
Size Document Number Rev
B
A
B
C
D
Date: Sheet
U8798P
of
333Friday, June 06, 2003
E
1.3
A
http://laptop-motherboard-schematic.blogspot.com/
B
C
D
E
Change list:
Initlization M7VXK 0.90 sch
0.90 -> 0.91
1.Add a 3904 and 200 ohm in below circuit,that is a patch circuit for PERR function of the AGP 8X/4X car d .
2.Del ACR slot
4 4
3.Add Promise serial ATA function on borad
4.Change FM3570 to ATXP3 (support over voltage)
5.Del card reader
0.91 -> 0.92
1.Solve S3 resume back fail
2.Solve me,2000 excute 3dmark2001se will hang up problem
3.Solve audio can't disabl e by BI OS
4.Change game port usb common choke for EM I
5.Change freq. default to over cloc kin g
6.Del IEE1394
7.Add CMI8738 H/W sound function
8.Change Realtek lan PHY to VIA LAN PHY
0.91 -> 0.93
1.Solve S3 resume back fail
3 3
2.Solve me,2000 excute 3dmark2001se will hang up problem
3.Solve audio can't disable by BIOS
4.Change game port usb common choke for EM I
5.Change freq. default to over cloc kin g
6.Solve MSI geforce 4 MX420 can't display problem
7.Solve SIS AGP 8X card cna't display problem
Change from M7VXK 0.93 to M7VXT 0.90 sch
0.90 -> 0.91
1.Solve S3 resume back fail
2.Del USB common choke
3.Solve power LED can not turn on when use OLED prob le m
4.Change V-term form 33ohm to 47 ohm to solve some DDR module execute will be fail problem
5.Solve clock buffer SM bus will be effect when problemming mail clock gen.
6.Solve sound codec will hane noise when boot , enter OS and shutdown power
2 2
0.91 -> 0.92
1.Solve 100mhZ cpu S3 resume back f ai l
2.Add case open function jumper
3.Add front audio connector 6 channel function
4.Add SPDIF connector function
0.92 -> 1.0
1.change version form 0.92 to 1.0
1.0 -> 1.1
1.Modify case open intruder circui t
2.Add lan function
3.main clock and clock buffer combo to single chip
4.Del dimm3 socket
5.Modify SPDIF OUT curcuit for new cable
5.Modify audio codec curcuit to support C-media req.
1 1
A
Title
Size Document Number Rev
Custom
B
C
D
Date: Sheet
Change Lise
U8798
E
1.3
of
433Friday, June 06, 2003
A
http://laptop-motherboard-schematic.blogspot.com/
AB1
B21 B22 A23 A25 C21 D22 B24 C23 C24 B25 G22 H21 C26 D23
D25 H22 E24 G23
E25 D26 G26
H24 M21
K23 H25 M23 N22 P21 M24 N23 M26 N26 N25 R21 P24 R25 R24
U26 U24 U23 V25 U21 V22 V24
W26
Y26
W25
Y23 Y24
Y21 AA25 AA22 AA24
E21
G25
P26
V21
CPU1A
K2
A#3
K4
A#4
L6
A#5
K1
A#6
L3
A#7
M6
A#8
L2
A#9
M3
A#10
M4
A#11
N1
A#12
M1
A#13
N2
A#14
N4
A#15
N5
A#16
T1
A#17
R2
A#18
P3
A#19
P4
A#20
R3
A#21
T2
A#22
U1
A#23
P6
A#24
U3
A#25
T4
A#26
V2
A#27
R6
A#28
W1
A#29
T5
A#30
U4
A#31
V3
A#32
W2
A#33
Y1
A#34 A#35
D#0 D#1 D#2 D#3 D#4 D#5 D#6 D#7 D#8 D#9 D#10 D#11 D#12 D#13
J21
D#14 D#15 D#16 D#17 D#18
F23
D#19
F24
D#20 D#21
F26
D#22 D#23
L21
D#24 D#25 D#26 D#27
L22
D#28
J24
D#29 D#30 D#31 D#32 D#33 D#34 D#35 D#36 D#37 D#38 D#39 D#40 D#41 D#42 D#43
T26
D#44
T25
D#45
T22
D#46
T23
D#47 D#48 D#49 D#50 D#51 D#52 D#53 D#54 D#55 D#56 D#57 D#58 D#59 D#60 D#61 D#62
SOCKET478B-B
D#63 DBI0
DBI1 DBI2 DBI3
HA[3:35]7
4 4
HD[0:63]7
3 3
2 2
1 1
-DBI[0:3]7
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 HA34 HA35
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
-DBI0
-DBI1
-DBI2
-DBI3
A
B
A20M FERR
LINT0 LINT1
IGNNE
STPCLK
ADS ADSTB0 ADSTB1
BNR
DBSY
DEFER
DRDY
HITM
TRDY
BPRI
BR0
LOCK REQ0
REQ1 REQ2 REQ3 REQ4
RS0
RS1
RS2
DSTBP0 DSTBN0 DSTBP1 DSTBN1 DSTBP2 DSTBN2 DSTBP3 DSTBN3
BCLK0 BCLK1
ITP_CLK1 ITP_CLK0
IERR
MCERR
DBRESET
RESET
PWRGOOD
SKTOCC
COMP0 COMP1
DEP0 DEP1 DEP2 DEP3
THERMDA THERMDC
THERMTRIP
PROCHOT
TESTHI0 TESTHI1 TESTHI2 TESTHI3 TESTHI4 TESTHI5 TESTHI6 TESTHI7 TESTHI8
TESTHI9 TESTHI10 TESTHI11 TESTHI12
BSEL0 BSEL1
TDO TMS
TRST
VID0 VID1 VID2 VID3 VID4
B
INIT
SMI SLP
HIT
TCK
TDI
C6 B6 W5 D1 E5 B2 B5 AB26 Y4
G1 L5 R5 G2 H5 E2 H2 F3 E3 J6 D2 H6 G4
J1 K5 J4 J3 H3
F1 G5 F4
F21 E22 J23 K22 P23 R22 W23 W22
AF22 AF23
AD26 AC26
AC3 V6
AE25 AB25 AB23 AF26
L24 P1
J26 K25 K26 L25
B3 C4 A2 C3
AD24 AA2 AC21 AC20 AC24 AC23 AA20 AB22 U6 W4 Y3 A6 AD25
AD6 AD5
D4 C1 D5 F7 E6
AE5 AE4 AE3 AE2 AE1
-A20M
-FERR
-CPUINIT INTR NMI_SB
-IGNNE
-SMI
-SLP
-STPCLK
-BREQ0
-IERR
DBRESET
-CPURST
PWRGD_CPU
CPU_COMP0 CPU_COMP1
-TRIP
PROCHOT
HTEST0 HTEST1 HTEST2 HTEST3 HTEST4 HTEST5 HTEST6 HTEST7 HTEST8 HTEST9 HTEST10 HTEST11 HTEST12
TCK TDI TDO TMS
-TRST
-A20M 13
-FERR 13
-CPUINIT 13 INTR 13 NMI_SB 13
-IGNNE 13
-SMI 13
-SLP 13
-STPCLK 13
-ADS 7
-HA_STB0 7
-HA_STB1 7
-BNR 7
-DBSY 7
-DEFER 7
-DRDY 7
-HIT 7
-HITM 7
-HTRDY 7
-BPRI 7
-BREQ0 7
-HLOCK 7
-HREQ0 7
-HREQ1 7
-HREQ2 7
-HREQ3 7
-HREQ4 7
-RS0 7
-RS1 7
-RS2 7
-HD_STBP0 7
-HD_STBN0 7
-HD_STBP1 7
-HD_STBN1 7
-HD_STBP2 7
-HD_STBN2 7
-HD_STBP3 7
-HD_STBN3 7
CPU_CLK 14
-CPU_CLK 14
-CPURST 7 PWRGD_CPU 28 CPUMISS 12
DP0 7 DP1 7 DP2 7 DP3 7
D+ 26 D- 26
-TRIP 31
VCC3 VCC3
HTEST8 6 HTEST9 HTEST10
CPU_VID0 29 CPU_VID1 29 CPU_VID2 29 CPU_VID3 29 CPU_VID4 29
R78 1K
C
R41 1K
BSEL0 12,14 BSEL1 12,14
C
TDI TDO TMS
60.4-->150
-FERR
-BREQ0
-CPURST
PWRGD_CPU PROCHOT
DBRESET
-IERR
-TRIP
TCK
-TRST CPU_COMP0
CPU_COMP1
VCORE
R19 150 R17 75 R23 47
R22 150 R15 200 1% R107 49.9 1%
R95 301 1% R20 60.4 1%
R106 150 R37 1K /NI R21 60.4 1%
R18 33 R16 680
R88 49.9 1% R53 49.9 1%
D
0.91 New add
VCC3
E
R131
10K
NMI_NB 7
VCORE
HTEST9
HTEST10
INTR
-CPUINIT
-STPCLK
-SLP
-A20M
-SMI NMI_SB
-IGNNE HTEST12
HTEST4 HTEST0 HTEST5
HTEST3 HTEST7 HTEST2 HTEST6
HTEST9 HTEST10 HTEST1 HTEST11
1 2 3 4 5 6 7 8
R108 1K
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
RN3 1K 8P4R
RN4 1K 8P4R
RN27 51 8P4R
RN22 51 8P4R
RN6 51 8P4R
Title
Size Document Number Rev
C
D
Date: Sheet
Processor SOCKET478
U8798
of
533Friday, June 06, 2003
E
1.3
A
http://laptop-motherboard-schematic.blogspot.com/
VCORE
A12
A14
A16
A18
A20A8AA10
AA12
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
GND
E13
E15
E17
AA14
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
E19
E23
E26E4E7E9F10
4 4
3 3
2 2
1 1
B11 B13 B15 B17 B19
C10 C12 C14 C16 C18 C20
D11 D13 D15 D17 D19
E10 E12 E14 E16 E18 E20
D10
K21 K24
M22 M25
N21 N24
P22 P25
R23 R26
D12 D14 D16 D18 D20 D24
D21 AE22 AE24 AE26
AE7
AE9
AF1 AF10 AF12 AF14
B7 B9
C8
D7 D9
E8 F11 F13 F15 F17 F19
F9
D8
D6
D3
J2 J22 J25
J5
K3 K6
L1 L23 L26
L4
M2
M5
N3
N6
P2
P5
R1
E1
CPU1B
VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE VCC_CORE
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
AF9
VCC_CORE
VCC_CORE
VCC_CORE
SOCKET478B-B
GND
GND
GND
GND
GND
AF16
AF18
AF20
AF6
AF8
B10
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
GND
B12
B14
B16
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
B18
B20
B23
B26B4B8
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
GND
C11
A10
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
C13
C15
C17
VCC_CORE
VCC_CORE
GND
GND
C19C2E11
AE14
AE16
AE18
AE20
AE6
AE8
AF11
AF13
AF15
AF17
AF19
AF2
AF21
AF5
AF7
AA16
AA18
AA8
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
B
AB11
AB13
AB15
AB17
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
F12
F14
F16
AB19
AB7
AB9
VCC_CORE
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
GND
F18F2F22
AC10
AC12
AC14
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
F25F5F8
AC16
AC18
AC8
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
G21
G24G3G6
AD11
AD13
AD15
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
C22
C9
-RSP7
AE10
AE12
AD17
AD19
VCC_CORE
VCC_CORE
VCC_CORE
GND
GND
GND
Y5
Y25
Y22Y2W6W3W24
A5
AD7
AD9
VCC_CORE
VCC_CORE
VCC_CORE
VCC_SENSE
GND
GND
GND
GND
GND
GND
W21V4V26
AB2
AC1V5AC6
RSP
GND
V23V1U5
C
BPM0
BPM1
BPM2
BPM3 BPM0
BPM4 BPM5
AB5
AC4Y6AA5
AB4
AA3
AF4
AF3
AP0
GND
AP1
GND
BPM0
GND
BPM1
BPM2
BPM3
GND
GND
GND
U25
U22U2T6T3T24
BPM4
BPM5
GND
GND
BINIT
VCCVIDPRG
VSS_SENSE
GND
GND
GND
T21
R4
VCCVID
GTLREF GTLREF GTLREF GTLREF
VCCA VSSA
VCCIOPLL
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 GND GND GND GND
AA21 AA6 F20 F6
AD20 AD22
AE23 A4 C7
C5 H1 H4 H23 H26 A11 A13 A15 A17 A19 A21 A24 A26 A3 A9 AA1 AA11 AA13 AA15 AA17 AA19 AA23 AA26 AA4 AA7 AA9 AB10 AB12 AB14 AB16 AB18 AB20 AB21 AB24 AB3 AB6 AB8 AC11 AC13 AC15 AC17 AC19 AC2 AC22 AC25 AC5 AC7 AC9 AD1 AD10 AD12 AD14 AD16 AD18 AD21 AD23 AD4 AD8 AE11 AE13 AE15 AE17 AE19 C25
C29
1UF 10V Y5V
220P 50V X7R
VCCVID 30 AP0 7 AP1 7
BPM5
C4 PIN
C47
22P 50V NPO
靠近
C46
VCCA_CPU
VSS_CPU
VCCIO_CPU
10UF 10V 0805 Y5V /NI
CPU
1UF 10V Y5V
C27
C101
C106
D
VCORE
R75
49.9 1%
R76
100 1%
VCORE
L2
INDUCTOR 4.7UH 0805 C100 10UF 10V 0805 Y5V /NI
10UF 10V 0805 Y5V
L3
INDUCTOR 4.7UH 0805 C107 10UF 10V 0805 Y5V
C53 10UF 10V 0805 Y5V /NI C41 10UF 10V 0805 Y5V /NI C65 10UF 10V 0805 Y5V C79 10UF 10V 0805 Y5V /NI C88 10UF 10V 0805 Y5V C76 10UF 10V 0805 Y5V C89 10UF 10V 0805 Y5V
VCORE
C61 10UF 10V 0805 Y5V C63 10UF 10V 0805 Y5V
HTEST85
BPM5
CPU1C
28
GND
27
GND
26
GND
25
GND
24
GND
23
GND
22
GND
21
GND
20
NC
NEAR CPU
E
RN11
1 2
BPM1
3 4
HTEST8
5 6
BPM2
7 8
51 8P4R
GND
RN5
51 8P4R
GND
GND
GND
GND
GND
100UF 6.3V D TAN /NIC75
BPM5 BPM3 BPM4
123456789
NC
VCOREVCORE
C48 10UF 10V 0805 Y5V C51 10UF 10V 0805 Y5V /NI C58 10UF 10V 0805 Y5V C67 10UF 10V 0805 Y5V
C83 10UF 10V 0805 Y5V C86 10UF 10V 0805 Y5V C91 10UF 10V 0805 Y5V
VCORE
78 56 34 12
GND
GND
GND GND GND GND GND GND GND GND
NC
SOCKET478B-B
19
VCORE
NC
10 11 12 13 14 15 16 17 18
A
Title
Size Document Number Rev
C
B
C
D
Date: Sheet
Processor SOCKET478
U8798
of
633Friday, June 06, 2003
E
1.3
A
http://laptop-motherboard-schematic.blogspot.com/
B
C
D
E
VCORE
U13A
HA3
4 4
3 3
HA[3:35]5
-HA_STB05
-HA_STB15
-ADS5
-BNR5
-BPRI5
-BREQ05
-DBSY5
-DEFER5
-DRDY5
-HIT5
-HITM5
-HLOCK5
-HTRDY5
-HREQ05
-HREQ15
-HREQ25
-HREQ35
-HREQ45
-DBI[0:3]5
2 2
-RS05
-RS15
-RS25
-CPURST5 HCLK14
-HCLK14
-RSP6
NMI_NB5 GTLVREF_NB
0.01UF 50V X7R C368
0.01UF 50V X7R /NI
0.01UF 50V X7R
0.01UF 50V X7R
0.01UF 50V X7R /NI
1 1
0.01UF 50V X7R
C374
GTLVREF_NB1
C367
C365
C369
HCOMPVREF
Y32
AB31 AA34 AA33 AC31 AA32 AC34 AB34 AD34 AC33 AC32 AD33 AC30 AE34 AD32 AE31 AD31 AE32
AF34 AF33
AD30
AF32 AG30 AG33
AF30 AH34 AG31
AJ33 AG34 AG32
AJ34
AJ32 AA30
AF31
W32
W34
W31
AB32 AA31
AH31
AA29 AD29
Y30
V34 V31 R34
V32 T32
U34 T34 V33
Y33 Y31 Y34 G30
C30 A25 E22
U33 V30 U32
A18 U29
T29
P34
J29 F28 F24 F19
V29 H31 H30
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 HA34 HA35
ADSTB0 ADSTB1
ADS BNR BPRI BREQ0 DBSY DEFER DRDY HIT HITM HLOCK HTRDY
HREQ0 HREQ1 HREQ2 HREQ3 HREQ4
DBI0 DBI1 DBI2 DBI3
RS0 RS1 RS2
CPURST HCLK
HCLK RSP
NMI HAVREF0
HAVREF1 HDVREF0
HDVREF1 HDVREF2 HDVREF3
GTLVREF HRCOMP HCOMPVREF
VIA VT8754
HA4 HA5 HA6 HA7 HA8 HA9 HA10 HA11 HA12 HA13 HA14 HD10 HA15 HA16 HA17 HA18 HA19
HA21 HA22 HA23 HA24 HA25 HA26 HA27 HA28 HA29 HA30 HA31
HA32 HA33 HA34 HA35
-DBI0
-DBI1
-DBI2
-DBI3
C366
HRCOMP
C158
0.01UF 50V X7R
K29
K30
K31
K32
K33
K34
L29
L30
L31
L32
L33
L34
M29
M30
M31
M32
M33
M34
N29
N30
N31
N32
N33
N34
P29
P30
P31
P32
P33
HD0
VSS
AH29
DSTB0 DSTB0 DSTB1 DSTB1 DSTB2 DSTB2 DSTB3 DSTB3
VSSTT VSSTT
VSS
AH30
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
VSS
AH33
HD0 HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8 HD9
DP0 DP1 DP2 DP3
AP0 AP1
J34 H34 G33 G31 H33 H32 G34 D31 G32 F34 E31 F30 E34 E33 D32 D34 B32 C33 C34 A33 A34 B34 A32 C32 D30 D29 A29 E29 A30 C29 A31 B29 D27 D26 D25 C28 E26 A27 C26 C27 E25 C25 B25 A24 C24 D24 E23 D23 A23 B23 C23 A22 D22 C22 B22 A21 B20 C20 D19 D20 B19 C19 A19 A20
F32 E32 C31 B31 B26 A26 C21 D21
A28 E28 B28 D28
AJ31 AH32 F25 AB29
HD1 HD2 HD3 HD4 HD5 HD6 HD7 HD8 HD9
HD11 HD12 HD13 HD14 HD15 HD16HA20 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
HD[0:63] 5
-HD_STBP0 5
-HD_STBN0 5
-HD_STBP1 5
-HD_STBN1 5
-HD_STBP2 5
-HD_STBN2 5
-HD_STBP3 5
-HD_STBN3 5 DP0 5
DP1 5 DP2 5 DP3 5
AP0 6 AP1 6
VCORE
VCORE
VCORE
R417 49.9 1%
R416 100 1%
R414 49.9 1%
R415 100 1%
R128 100 1%
R129
49.9 1%
R119 20 1%
GTLVREF_NB1
GTLVREF_NB
HCOMPVREF
HRCOMP
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
E19
E20
E21
E24
E27
E30
F18
F20
F21
F22
F23
F26
F27
F29
F31
F33
G29
H29
J30
J31
J32
J33
R29
R30
R31
R32
R33
T33
W29
W30
W33
Y29
AB30
AB33
AC29
AE29
AE30
AE33
AF29
AG29
A
Title
Size Document Number Rev
C
B
C
D
Date: Sheet
North Bridge (P4X333)
U8798
of
733Friday, June 06, 2003
E
1.3
A
http://laptop-motherboard-schematic.blogspot.com/
B
C
D
E
+2.5VDIMM
U13B
AB1
AB2
AB3
AB4
AB5
AB6
AC1
AC2
AC3
AC4
AC5
AC6
AD1
AD2
AD3
AD4
AD5
AD6
AJ26
AJ27
AJ28
AJ29
AJ30
AK26
AK27
AK28
AK29
AK30
AK31
AL26
AL27
AL28
AL29
AL30
AL31
AL32
AL33
AM29
AM30
AM31
AM32
AM33
AN31
AN32
AN33
AN34
AP31
AP32
AP33
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
AN29
AP34
MAA0
VCC3(VCCM)
VCC3(VCCM)
MAA1 MAA2 MAA3 MAA4 MAA5 MAA6 MAA7 MAA8
MAA9 MAA10 MAA11 MAA12 MAA13 MAA14 MAA15
MAB0
MAB1
MAB2
MAB3
MAB4
MAB5
MAB6
MAB7
MAB8
MAB9 MAB10 MAB11 MAB12 MAB13 MAB14 MAB15
SRASA SCASA
SWEA
SRASB SCASB
SWEB
CS0 CS1 CS2 CS3 CS4 CS5 CS6 CS7
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
DCLKO
DCLKI
QDRRD
QDRWR
GCKE
MVREF0 MVREF1 MVREF2 MVREF3
AM8 AL9 AL10 AK12 AL14 AK16 AL16 AK19 AL17 AM20 AJ6 AK5 AK6 AL20 AK21 AK22
AL8 AK9 AL11 AM11 AM14 AM16 AK15 AL19 AK18 AM21 AJ7 AK3 AL6 AL21 AL22 AK24
AJ5 AF5 AG4
AK4 AF4 AG5
AN6 AP5 AM6 AP3 AN3 AM4 AP2 AP1
AN28 AL24 AP21 AM17 AN9 AN4 AK1 AF3 AN13
AK34 AL34
AK7 AJ16 AK25
AJ23 AJ17 AJ11 AF6
MAA0 MAA1 MAA2 MAA3 MAA4 MAA5 MAA6 MAA7 MAA8 MAA9 MAA10 MAA11 MAA12 MAA13 MAA14 MAA15
-DQS_0
-DQS_1
-DQS_2
-DQS_3
-DQS_4
-DQS_5
-DQS_6
-DQS_7
-DQS_8
DCLKO_
-ODRRD
-SRASA 15,17
-SCASA 15,17
-SWEA 15,17
-CS0 15,17
-CS1 15,17
-CS2 15,17
-CS3 15,17
R424 22
C395
22P 50V NPO /NI
MVREF_NB
MAA[0:15] 15,17
-DQS_0 16
-DQS_1 16
-DQS_2 16
-DQS_3 16
-DQS_4 16
-DQS_5 16
-DQS_6 16
-DQS_7 16
-DQS_8 16
MAA0 MAA1 MAA2 MAA3 MAA4 MAA5 MAA6 MAA7 MAA8 MAA9 MAA10 MAA11 MAA12 MAA13 MAA14 MAA15
DCLKO as short as passable
DCLKO 14 DCLKI 14
DCLKI = DCLKx + 2 "
C397 22P 50V NPO /NI
+2.5VDIMM
33P 50V NPOCB13 33P 50V NPOCB11 33P 50V NPOCB10 33P 50V NPOCB9 33P 50V NPOCB8 33P 50V NPOCB6 33P 50V NPOCB7 33P 50V NPOCB4 33P 50V NPOCB5 33P 50V NPOCB3 33P 50V NPOCB12 33P 50V NPOCB15 33P 50V NPOCB14 33P 50V NPOCB2 33P 50V NPOCB1 33P 50V NPOCB19
near chip
1.5'~2'
-ODRRD
MVREF_NB=1.25(FOR DDR)
R419
MVREF_NB=1.65(FOR SDR)
1K 1%
MVREF_NB
R420 1K 1%
C376
0.1UF 25V Y5V
1000P 50V X7R
R421 4.7K
C384
1UF 10V Y5V
33P 50V NPOCB16 33P 50V NPOCB18 33P 50V NPOCB17
+2.5V
C392
-SRASA 15,17
-SCASA 15,17
-SWEA 15,17
MD_0
MD_[0:63]16
4 4
3 3
2 2
MECC016 MECC116 MECC216 MECC316 MECC416 MECC516 MECC616 MECC716
CKE[0:3]15
1 1
CKE0 CKE1 CKE2 CKE3
MD_1 MD_2 MD_3 MD_4 MD_5 MD_6 MD_7 MD_8 MD_9 MD_10 MD_11 MD_12 MD_13 MD_14 MD_15 MD_16 MD_17 MD_18 MD_19 MD_20 MD_21 MD_22 MD_23 MD_24 MD_25 MD_26 MD_27 MD_28 MD_29 MD_30 MD_31 MD_32 MD_33 MD_34 MD_35 MD_36 MD_37 MD_38 MD_39 MD_40 MD_41 MD_42 MD_43 MD_44 MD_45 MD_46 MD_47 MD_48 MD_49 MD_50 MD_51 MD_52 MD_53 MD_54 MD_55 MD_56 MD_57 MD_58 MD_59 MD_60 MD_61 MD_62 MD_63
AP30 AM28 AM27 AM26 AN30
AP29 AN27
AP27 AM25
AP26
AP23 AM23 AN25
AP25
AP24 AN24
AP22 AN22
AP20 AN19
AL23 AM22 AM19
AP19
AL18
AP18 AN16
AL15 AM18 AN18
AP16 AM15 AM12
AP10 AM10
AN7
AP11 AN10
AM9
AP8
AM7
AP6 AM5 AN1
AP7
AL7 AM3 AM2 AM1
AL4 AH4
AL3
AL1
AH1 AG1
AF2
AE3 AH3 AG2
AF1
AE1
AP14
AM13
AL13 AP12 AP15
AN15
AL12
AN12
AP28 AM24 AN21
AP17
AP9 AP4 AK2
AG3
AP13
AJ2
AJ3 AJ1
MD0 MD1 MD2 MD3 MD4 MD5 MD6 MD7 MD8 MD9 MD10 MD11 MD12 MD13 MD14 MD15 MD16 MD17 MD18 MD19 MD20 MD21 MD22 MD23 MD24 MD25 MD26 MD27 MD28 MD29 MD30 MD31 MD32 MD33 MD34 MD35 MD36 MD37 MD38 MD39 MD40 MD41 MD42 MD43 MD44 MD45 MD46 MD47 MD48 MD49 MD50 MD51 MD52 MD53 MD54 MD55 MD56 MD57 MD58 MD59 MD60 MD61 MD62 MD63
MPD0 MPD1 MPD2 MPD3 MPD4 MPD5 MPD6 MPD7
DQM0 DQM1 DQM2 DQM3 DQM4 DQM5 DQM6 DQM7 DQM8
VIA VT8754
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
AE2
AE4
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AE5
AE6
AG6
AH2
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AH5
AH6
AJ4
AJ8
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AJ9
AJ10
AJ14
AJ15
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AJ18
AJ19
AJ20
AJ21
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AJ22
AJ24
AJ25
AK8
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AK10
AK11
AK13
AK14
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AK17
AK20
AK23
AL2
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AL5
AL25
AN2
AN5
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
VSS
VSS
AN8
AN11
AN14
AN17
VCC3(VCCM)
VCC3(VCCM)
VSS
VSS
AN20
AN23
AN26
A
Title
Size Document Number Rev
Custom
B
C
D
Date: Sheet
North Bridge (P4X333)
U8798
of
833Friday, June 06, 2003
E
1.3
A
http://laptop-motherboard-schematic.blogspot.com/
B
C
D
E
+2.5V
K6
A15
A16
A17
B15
B16
B17
C15
C16
C17
D15
D16
D17
E14
E15
E16
E17
F14
F15
F16
F17
VLAD013 VLAD113
-RESET_CHIP11
AVD4
-PWROK_NB12
AVD3
VCC_25SB
-SUSST12
AVD1
AVD2
C162 C142
VLAD213 VLAD313 VLAD413 VLAD513 VLAD613 VLAD713
VBE013 VPAR13
LVREF_NB LCOMPP
UPCMD13 DNCMD13
DNSTB13
-DNSTB13
UPSTB13
-UPSTB13
+2.5V
TESTIN_NB
AGND1 AGND2 AGND3 AGND4
4 4
3 3
2 2
0.1UF 25V Y5V
0.1UF 25V Y5V
1 1
R3 R2 U5 U4 N2 P1 U1 U3
R1 P3 V3 U6
V2 T5
T4 T3
T2 T1
W6
Y1 Y2 Y3 Y4 Y5
Y6 AA1 AA2 AA3 AA4 AA5 AA6
V5
W1 W3
V1
AM34
T30
AK32
AJ12
U30
C141
0.1UF 25V Y5V C389
0.1UF 25V Y5V
T31
AK33
AJ13
U31
VD0 VD1
VDD25
VDD25 VD2 VD3 VD4 VD5 VD6 VD7
VBE VPAR LVREF LCOMPP
UPCMD DNCMD
DNSTB DNSTB
UPSTB UPSTB
VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL)
VSUS25
RESET PWROK SUS_ST TESTIN_NB
AVDD1 AVDD2 AVDD3 AVDD4
AGND1 AGND2 AGND3 AGND4
VDD25
VDD25
VDD25
VDD25
VSS
VSS
VDD25
VDD25
VSS
VSS
VDD25
VSS
V4V6W2W4W5
U2
VDD25
VDD25
VSS
VSS
T6
VDD25
VDD25
VSS
VSS
VDD25
VDD25
VSS
VSS
VDD25
VDD25
VSS
VSS
VDD25
VDD25
VSS
VSS
VDD25
VCC1(VCCAGP)
VCC1(VCCAGP)
VSS
VSS
VSS
VSS
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VSS
VSS
VSS
VSS
F11
F12
F13H2H3J4K5L2L6M4P2P6R4R5R6
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VSS
VSS
VSS
VSS
VSS
VSS
E12F6F7F8F9
+1.5VAGP
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VSS
VSS
VSS
VSS
VSS
B14C3D4D5E5E6E9
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VCC1(VCCAGP)
VSS
VSS
VSS
VSS
VSS
B2B3B6B9B12
U13C
B1C1C2D1D2D3E1E2E3E4F2F3F4F5G3G4G5G6H4H5H6J5J6
N6
GD0 GD1 GD2
VCCQQ
GD3 GD4 GD5
VCC1(VCCAGP)
GD6 GD7 GD8
GD9 GD10 GD11 GD12 GD13 GD14 GD15 GD16 GD17 GD18 GD19 GD20 GD21 GD22 GD23 GD24 GD25 GD26 GD27 GD28 GD29 GD30 GD31
SBA0 SBA1 SBA2 SBA3 SBA4 SBA5 SBA6 SBA7
GBE0 GBE1 GBE2 GBE3
AD_STBF0 AD_STBS0
AD_STBF1 AD_STBS1
SB_STBF SB_STBS
GFRAME
GIRDY
GTRDY
GDEVSEL
GSTOP
GPAR
PIPE
RBF
WBF GREQ GGNT
GSERR
DBIH/PIPE
DBIL
AGP8XDET
ST0 ST1 ST2
GCLK
AGPCOMP
AGPVREF0 AGPVREF1
VSSQQ
VIA VT8754
M3 N1 M1 N3 M2 L3 L1 K2 J1 N4 J2 L4 H1 M5 G1 L5 B5 A5 A4 A6 D6 B7 C7 A8 E7 C6 B8 D7 A9 C9 D9 E8
D12 B11 C12 A11 E11 A10 C10 B10
K1 G2 B4 A7
K3 K4
C8 D8
D11 C11
C5 C4 A3 A2 A1 J3 C13 A12 D13 C14 A13 F1 E10 D10 A14
D14 B13 E13
N5
P5 F10
M6
P4
GD0 GD1 GD2 GD3 GD4 GD5 GD6 GD7 GD8 GD9 GD10 GD11 GD12 GD13 GD14 GD15 GD16 GD17 GD18 GD19 GD20 GD21 GD22 GD23 GD24 GD25 GD26 GD27 GD28 GD29 GD30 GD31
SBA0 SBA1 SBA2 SBA3 SBA4 SBA5 SBA6 SBA7
AGPCOMP0 AGPVREF
AGPVREF
GD[0:31] 18
SBA[0:7] 18
GBE0 18 GBE1 18 GBE2 18 GBE3 18
AD_STBF0 18 AD_STBS0 18
AD_STBF1 18 AD_STBS1 18
SB_STBF 18 SB_STBS 18
GFRAME 18 GIRDY 18 GTRDY 18 GDEVSEL 18 GSTOP 18 GPAR 18
RBF 18 WBF 18 GREQ 18 GGNT 18 GSERR 18 DBIH 18 DBIL 18 AGP8X_DET_NB 18
ST0 18 ST1 18 ST2 18
GCLK_NB 14
AGPVREF 18
AGPVREF
0.1UF 25V Y5V /NI
+2.5V
R156 3K 1%
LVREF_NB
R155 1K 1%
LVREF_NB => VDD/4=0.625
C379
0.1UF 25V Y5V
Decoupling capacitors
AGP8xdet 0=enable
C209
C187
0.1UF 25V Y5V
C391
0.1UF 25V Y5V
+1.5VAGP
C381
0.1UF 25V Y5V
1000P 50V X7R
1000P 50V X7R
1000P 50V X7R
C161
AGND1
C140
AGND2
C139
AGND4
AVD3
AGND3
TESTIN_NB
AGPCOMP0
LCOMPP
+2.5V
FB16 BEAD 60 0805
AVD1
+2.5V
FB11 BEAD 60 0805
AVD2
+2.5V
FB10 BEAD 60 0805
AVD4
+2.5V
FB46 BEAD 60 0805
C390
0.1UF 25V Y5V
BEAD 60 0805
R418 4.7K
R422 60.4 1%
R423 360 1%
C160 1UF 10V Y5V
FB15
BEAD 60 0805
C138 1UF 10V Y5V
FB12
BEAD 60 0805
C137 1UF 10V Y5V
FB9 BEAD 60 0805
FB45
C163
0.1UF 25V Y5V
C135
0.1UF 25V Y5V
C134
0.1UF 25V Y5V
C382
0.1UF 25V Y5V
+2.5V
+1.5VAGP
A
Title
Size Document Number Rev
C
B
C
D
Date: Sheet
North Bridge (P4X333)
U8798
of
933Friday, June 06, 2003
E
1.3
A
http://laptop-motherboard-schematic.blogspot.com/
4 4
VCORE
B
C
D
+2.5VDIMM
C80 1UF 10V Y5V
E
U13D
L18
L19
L20
L21
L22
L23
M18
M19
M20
M21
M22
M23
M24
N23
N24
P23
P24
R23
R24
T23
T24
U23
U24
V23
V24
W23
W24
Y23
Y24
AA23
VTT
VTT
VTT VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM) VCC3(VCCM)
VSS
VSS
VSS
V21
D33
E18
VTT
VSS
D18
VTT
VSS
C18
VTT
VSS
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSSVSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
AA24
VTT
V12 W11 W12 Y11 Y12 AA11 AA12 AB11 AB12 AB24 AC11 AC12 AC13 AC14 AC15 AC16 AC17 AC18 AC19 AC20 AC21 AC22 AC23 AC24 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23
W14 W15 W16 W17 W18 W19 W20 W21 Y14 Y15 Y16 Y17 Y18 Y19 Y20 Y21 AA14 AA15 AA16 AA17P14 AA18 AA19 AA20 AA21 AB23 B18 B21 B24 B27 B30 B33
+2.5VDIMM
VCORE
C54
1UF 16V 0805 Y5V
1UF 16V 0805 Y5V
1UF 16V 0805 Y5V
C57
+2.5VDIMM
0.1UF 25V Y5V /NI
C69
+1.5VAGP
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
L12
VCC1(VCCAGP)
L13
VCC1(VCCAGP)
L14
VCC1(VCCAGP)
L15
VCC1(VCCAGP)
L16
VCC1(VCCAGP)
L17
VCC1(VCCAGP)
M11
VCC1(VCCAGP)
M12
VCC1(VCCAGP)
M13
VCC1(VCCAGP)
M14
VCC1(VCCAGP)
M15
VCC1(VCCAGP)
M16
VCC1(VCCAGP)
M17
VCC1(VCCAGP)
N11
VCC1(VCCAGP)
N12
VCC1(VCCAGP)
P11
VCC1(VCCAGP)
P12
VCC1(VCCAGP)
R11
VCC1(VCCAGP)
3 3
2 2
1 1
+2.5V
AE21 AE20 AE19 AE18 AE17 AE16 AE15 AE14 AE13 AE12 AB25 AB10 AA25
W25 W10
R12 T11
T12 U11 U12 V11
Y25
V25 U25 T25 T10 R10 P10 K22 K21 K20 K19 K18 K14 K13 K12
P15 P16 P17 P18 P19 P20 P21 R14 R15 R16 R17 R18
VCC1(VCCAGP) VCC2(VCCVL)
VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL) VCC2(VCCVL)
VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25 VDD25
VSS VSS VSS
VIA VT8754
VSS VSS VSS VSS VSS VSS VSS VSS VSS
VSS
VSS
VSS
R19
R20
R21
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
T14
T15
T16
T17
T18
T19
T20
T21
U14
U15
U16
U17
U18
U19
U20
U21
VTT
VSS
VSS
VSS
VSS
VSS
VSS
V14
V15
V16
V17
V18
V19
V20
VCC3
VCORE
C97
0.1UF 25V Y5V /NI
C81
C49
1UF 16V 0805 Y5V
1UF 16V 0805 Y5V
1UF 10V Y5V /NIC249
0.1UF 25V Y5V /NIC241
0.1UF 25V Y5V /NIC315
0.1UF 25V Y5V /NIC286
C68 10UF 10V 0805 Y5V C84 10UF 10V 0805 Y5V /NI C85 10UF 10V 0805 Y5V /NI C77 10UF 10V 0805 Y5V /NI C59 1UF 16V 0805 Y5V C50 1UF 16V 0805 Y5V
C168
+2.5V
VCC3
C261
0.1UF 25V Y5V /NI
0.1UF 25V Y5V /NI
1UF 16V 0805 Y5VC361
C331
A
Title
Size Document Number Rev
C
B
C
D
Date: Sheet
North Bridge (P4X333)
U8798
of
10 33Friday, June 06, 2003
E
1.3
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