Schematic Diagrams
ICH8 PCI, DMI, CPU, IRQ B - 11
B.Schematic Diagrams
ICH8 PCI, DMI, CPU, IRQ
Sheet 10 of 40
ICH8 PCI, DMI,
CPU, IRQ
INT#D20
PE1_RX_NEW 28
AD31
SPI_CS0#
PE3 _ RX _ WA N
DEVSEL#
R295 0_04
2
PE2_TX_GLAN
PM_PW R OK
PE5 _ RX _ UW B
SPI_CLK
LAN_PWROK
PE4_TX_JMB368# 24
PR EQ#2
THERM# 11
CPU_INIT# 3
INT# A
AD13
DMI_ TX # 0
Q52
2N3904
B
E C
RP23
8P4R_1K_04( R)
81
72
6
5
3
4
SPIDBG
GA 20
PER R #
PAR
5VS
3VS 2,6,8,9,11..15,17..22,24..28,31,33
AD22
SPI_MISO
AD9
PGN T#2
T
3VS
PE1_ TX _ NEW 28
PE4_ RX_JMB368 24
DMI_ RX #3
PLTRST#
R320
8.2K_04( R )
DMI_ TX 3
R552
8.2K _04( R )
T
CPU_A20M# 4
INT#E
AD17
PR EQ#1
PR EQ#0
PE4_TX_JMB368#
R7 46 8. 2K_04
3V
SPI_CS0#
R545
8. 2K_04( R )
3VS
PE1_ TX _ NEW# 2 8
AD20
SPI_MOSI
AD26
PE5 _ TX _ UW B
DMI_RX[0..3 ] 6
INT# C
R348 15_04
R542 15_04
C309
.1U_04
PR EQ#0
INT# B
R5 54 0_04
R733
100K_0 4
1.5 VS
PE5 _ RX _ UW B #
Q53
2N3904
B
E C
PE1_TX_NEW#
INT#B20
PE3_ RX_WA N 25
A20GATE
INT# E
DMI_ RX #2
PECI 3
PR EQ#3
PR EQ#3
R329 47_04
C314
.1U_04
FWH_INIT#
TEST H I _13
CPU_SMI# 4
AD10
PE1_RX_NEW
PE4_RX_JMB368
C310
.1U_04
KB_RC_IN#
SPI_MOSI
3VS
PGN T#[ 0..3]20,28
PE2_TX_GLAN# 21
FR AME#
INT# F
SER I RQ
AD24
PGNT#2
AD19
C843
0.1 u_04
HOLD
AD27
C352
33P_0 4( R )
C/BE#[0..3]20,28
PGN T#1
C/ BE #1
R734
10K_04
PE2_TX_GLAN 21
AD21
3VS
CPU_IGNNE# 4
AD29
PE5 _ T X _ UW B #
RP21
8P4R _2. 7K_04
81
72
6
5
3
4
PME#20,23,28
THERM#
PWROK ICH
FRAME#20,28
BU F _ PL T_ RS T#
PC IC LK
CPU_NMI
AD7
R296 24. 9_1%_ 04
PE2_RX_GLAN 21
SRCC LK_I C H
R349 1K_04
CPU_NMI 4
KBC_RST#
PCICLK2
INT# G
TESTHI_13 4
DMI_TX#[0..3] 6
C313
.1U_04
SPI_MOSI
PE2_TX_GLAN#
PE1_TX_NEW
DMI_ TX # 2
PC IR ST#
D51
RB751V(R)
A C
PW ROK ICH 6 , 1 1
A20GATE
SPI_CLK
C/ BE #0
T
SPIWP#11
C/ BE #3
U8
74AHC1G08GW
2
1
4
3
5
PE3_TX_WAN 25
KB_R C _IN #
INT# H
C390
33P_04 ( R)
DMI_TX#[0..3]
AD[0 ..31]20,28
PCI INTERFACE INTERRUPT
CPU
LAN PCI EXPRESS
DIRECT MEDIA
ICH 8
PART 1/3
SPI
U9A
IC H8R 8280 1HR
AG9
AD23
AC24
AB22
AC22
AB19
AH28
AC23
AB20
AB23
AF10
AG10
AC12
AG28
AF23
AF26
F24
F22
F15
F7
F2
E28
E27
E24
E21
E9
D26
D25
D22
D19
D16
D12
D6
D4
D2
C28
C27
C22
B24
B20
B17
B14
B11
B8
B2
A28
A24
A5
F25
G18
G13
G10
G6
G4
G1
F26
N25
N26
M28
M27
L25
L26
K28
K27
J26
J25
H28
H27
G26
G25
F28
F27
E26
E25
D28
D27
C26
C25
B28
B27
U26
U25
T28
T27
W26
W25
V28
V27
AA25
AA24
Y28
Y27
AC26
AC25
AB28
AB27
R25
R24
AD27
AD28
E22
E20
AF17
E19
C19
D20
C20
C18
D18
D21
B19
C21
A19
A18
C4
C5
A3
A8
D5
F10
G11
F9
A4
C15
D17
B9
E8
C16
B16
A9
B10
E3
B12
E16
B6
A7
D15
D9
D11
E6
C9
D3
G16
A10
C12
A12
E18
A16
A14
A17
B13
F18
E17
C17
A13
C14
E14
C13
E15
F16
A11
D10
C11
E13
E12
D13
F14
E11
D8
D7
C7
F13
B7
C6
B5
F12
F8
E7
SERIRQ
A20M #
CPUSLP#
FERR#
IGNNE#
INIT#
INTR
NMI
SMI#
STPC LK#
RCIN#
A20GATE
IN I T3_ 3V#
THRMTRIP#
PLTRST#
PECI
VSS_ 032
VSS_ 031
VSS_ 030
VSS_ 029
VSS_028
VSS_027
VSS_026
VSS_025
VSS_ 024
VSS_ 023
VSS_ 022
VSS_021
VSS_020
VSS_019
VSS_018
VSS_ 017
VSS_ 016
VSS_ 015
VSS_014
VSS_013
VSS_012
VSS_011
VSS_010
VSS_ 009
VSS_ 008
VSS_ 007
VSS_006
VSS_005
VSS_004
VSS_003
VSS_ 002
VSS_ 001
VSS_033
VSS_040
VSS_ 039
VSS_ 038
VSS_ 037
VSS_036
VSS_035
VSS_034
PERN_1
PERP_1
PETN_1
PETP_1
PERN_2
PERP_2
PETN_2
PETP_2
PERN_3
PERP_3
PETN_3
PETP_3
PERN_4
PERP_4
PETN_4
PETP_4
PERN_5
PERP_5
PETN_5
PETP_5
PERN_6/GLAN_RXN
PERP_6/ GLA N_RXP
PETN_6/G LAN_T XN
PETP_6/ GLAN_T XP
DMI_0RXN
DMI_0RXP
DMI_0TXN
DMI_0TXP
DMI_1RXN
DMI_1RXP
DMI_1TXN
DMI_1TXP
DMI_2RXN
DMI_2RXP
DMI_2TXN
DMI_2TXP
DMI_3RXN
DMI_3RXP
DMI_3TXN
DMI_3TXP
DMI_CLKN
DMI_CLKP
DMI_ZCOMP
DMI_IRCOMP
GLAN_CLK
LAN _R ST SY NC
LAN_RST#
LAN_RXD0
LAN_RXD1
LAN_RXD2
LAN_TXD0
LAN_TXD1
LAN_TXD2
SPI_M OSI
SPI_M IS O
SPI_C S0#
SPI_C LK
SPI_C S1#
PIRQ A#
PIRQ B#
PIRQC#
PIRQD#
PI RQ E#/ GPI O2
PIRQ F#/ GP IO3
PIRQ G#/ GPI O4
PIRQH#/GPIO5
GNT0#
GNT1#/GPIO51
GNT2#/GPIO53
GNT3#/GPIO55
REQ0#
REQ1#/GPIO50
REQ2#/GPIO52
REQ3#/GPIO54
PCIC LK
PCIR ST #
DEVSEL #
FR AM E#
IRDY#
TRDY#
STOP#
PAR
PLOC K#
SERR #
PERR #
PME#
C/BE0#
C/BE1#
C/BE2#
C/BE3#
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31
CPU_FERR# 4
PE3_ RX_WA N# 2 5
PECI
R548 15_04
STOP#20, 28
H_PROCHOT_N4,34
STOP#
PE5_RX_UWB 13
SPI_MISO
3VS
3VS
1.5VS 4,9,11..13,25,28,33
PE3 _ RX _ WA N#
DMI_ RX 1
RP27
8P4R _2. 7K_04
81
72
6
5
3
4
PE3_ TX_WA N# 2 5
K B C_ RST # 2 3
AD0
DMI_ RX 2
R328 1K_04
IRDY#20,28
DMI_RX#[0..3]
DMI_TX[ 0..3]
INT#F
1
3V
PLT RS T# 6, 15,2 4,2 8
AD30
D04
TR D Y #
INT#H
SPIDBG1
SPUFZ-10S3-B-0- B
12
34
56
78
910
5VS 6,12..14,18,19,22,24,26..28,33
IRDY #
PGN T#3
RP20
8P4R_8.2K_04
81
72
6
5
3
4
DMI_RX[ 0.. 3]
SPI_CLK
AD1
CPU_A20M#
DEVSEL#
PREQ# [0..3]20,28
DMI_TX[0..3] 6
SPI_MISO
C353
33P_04( R )
3VS
INT#A
PE2_RX_GLAN
DMI_ TX # 3
R748 1K_04
HOLD
C/ BE #2
AD6
CPU_SMI#
T
3V
PR EQ#1
DMI_ RX #0
PE2_RX_GLAN# 21
BUF_ PLT _R ST # 13,21,24 ,25, 28
SPI_CS0#
R747
8. 2K_04
PE5_ RX_UW B# 1 3
PR EQ#2
PGNT#1
DMI_ RX 3
DMI_ TX 0
PLTRST#
PE2_RX_GLAN#
CPU_IGNNE#
NEAR
ICH8
INT#E28
TRD Y #20, 28
R537 0_04
U10
25VF 01 6B
1
2
3
4
5
6
7
8
CE#
SO
WP#
VSS
SI
SCK
HOLD#
VDD
1.5 VS
DMI_ TX 1
CPU_FERR#
DMI_ RX #1
AD5
AD8
PLOC K#
U39
G690L 293T73
1
2
3
GND
RST#
VCC
CPU_STPCLK# 4
PLOC K#
INT#B
PE3 _ TX _ W A N
R331 0_04
FR AME#
PGN T#0
SERR#20,28
POWER OK
PE5_TX_UWB 13
R330 47_04
AD11
INT#D
AD16
AD4
SRCC LK_I C H #
PAR20,28
SER R #
PE1_RX_NEW#
PGNT#0
SPIWP#
PME#
T
PCIR ST #11, 20,23, 28
GA20 23
IRDY #
CPU_INIT#
DMI_ TX # 1
INT# D
R571 0_04
INT#C
AD25
(IMP809)
A20GATE11
PE5_ TX _ UWB# 1 3
CPU_INTR
AD28
C391
33P_ 04( R )
CPU_THERMTRIP# 4
KB_RC_IN#11
AD2
DMI_RX#[0.. 3] 6
INT#G
DMI_ RX 0
SRCC LK_ ICH 2
TR D Y #
RP25
8P4R _8. 2K_04
8 1
7 2
6
5
3
4
SERIRQ11, 20,23, 25
C325
.1U_X7R_04
3VS
PE1_ RX_NEW# 2 8
SER R #
DMI_ TX 2
3VS
3V
INT#C20
AD18
AD15
AD14
DEVSEL#20,28
PERR#20,28
3V 4,6,11..13,21,25..28,30..33
PGNT#3
STOP#
AD12
RP30
8P4R _2. 7K_04
81
72
6
5
3
4
10
PE4_TX_JMB368
PE3 _ TX _ W A N #
9
INT#A20
SRCC LK_ ICH # 2
PE4_TX_JMB368 24
PER R #
PE4_RX_JMB368#
R549 15_04
PM_PWROK 11
AD3
CPU_INTR 4