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Schematic Diagrams
ICH8 1/3 (PCI, DMI, CPU, IRQ) B - 17
B.Schematic Diagrams
ICH8 1/3 (PCI, DMI, CPU, IRQ)
Sheet 16 of 43
ICH8 1/3
(PCI, DMI, CPU, IRQ)
PCI_AD3
GNT3
BOOT DEVICE GNT0 SPI_CS1#
SPCIE_RXP4_WLAN 26
PCIE_TXP1_WLAN
PCI _I NTF#
PCI_REQ0#23
PCI_AD31
R173 *1K_04
R505 *8.2K_04
PECI 3
H_IGNNE#
DMI_TX1
GNT2
PCI_GNT0#23
PCIE_TXP3_IDE 19
DMI_RX2 7
PCIE_RXN1_WLAN 26
PCIE_TXP2_NEW_CARD
R140 0_04
R239 22_ 04
PLT_R ST#
SIGNAL
ICH_LAN_RST 22
INT_SERIRQ
PCI INTERFACE INTERRUPT
CPU
LAN
PCI EXPRESS
DIRECT MEDIA
ICH 8
PART 1/3
SPI
U11A
82801HD
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
G1 3
G10
G6
G4
G1
F26
N25
N26
M2 8
M2 7
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#
STPCLK#
RCIN#
A20GATE
INIT3_3V#
THRMTRI P#
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/GLAN_RXP
PETN_6/ GLAN_ TXN
PE TP_ 6/ GL AN _TXP
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 _RSTSY NC
LAN_RST#
LAN_RXD0
LAN_RXD1
LAN_RXD2
LAN_TXD0
LAN_TXD1
LAN_TXD2
SPI_MOSI
SPI_MISO
SPI_CS0#
SPI_CLK
SPI_CS1#
PIRQA#
PIRQB#
PIRQC#
PIRQD#
PIRQE#/GPIO2
PIRQF#/GPIO3
PIRQG#/GPIO4
PIRQH#/GPIO5
GNT0#
GNT1#/GPIO51
GNT2#/GPIO53
GNT3#/GPIO55
REQ0#
REQ1#/GPIO50
REQ2#/GPIO52
REQ3#/GPIO54
PCICLK
PCIRST#
DEVSEL#
FRAME#
IRDY#
TRD Y#
STOP#
PAR
PLOCK#
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
SPCIE_TXP4_WLAN 26
Z1621
SRCCLK_ICH
RN13 8.2K_04_8P4R
1
2
3
4 5
6
7
8
DIS
PCI_FRAME#
SPI_CLK
SPI_MOSI
DMI_RX0
DMI_RX#1
PCI_INTB#23,24
PCIE_TXN2_NEW_CARD 26
PCI_REQ1#24
PCI_AD2
1. 5VS
H_FERR# 3
PCIE_TXP1_WLAN 26
PCI_IRDY#
PCI_FRAME#23,24
PCIE_TXN_GLAN 22
PCI_AD9
KBC_RST# 25
ICH_LANRX1 22
SPI_MOSI14
PCI_AD24
PCI _GN T0#
PCI_FRAME#
3.3VS
PCIE_TXP2_NEW_CARD 26
PCI_SERR#
SRCCLK_ICH# 2
H_THERMTRIP# 3
PCI_RST#
PCIE_RXN_GLAN
SPI_CS0#
PCIE PORT CONFIG 2
BIT 0 (5-6)
PLT_RST# 7,14,21,25
ICH_LANTX2 22
PCI_PERR#
PCI _I NTC#
PCI_GNT1#
T
T
BOOT SELECT STRAPS
PCI _GN T1#
PCI_AD4
H_STPCLK# 3
PCIE_TXN1_WLAN 26
Z1617
T
PCI_DEVSEL#23,24
PCIE_TXP_GLAN 22
SPCIE_TXN4_WLAN 26
Z1611
Z1624
PCI_C/ BE2#23,24
ICH_LANRX0 22
SPI_MISO14
DMI_TX#0 7
PCI_PAR
PCI_INTA#
R471 *8.2K_04
ICH_LANTX1 22
DMI_TX2 7
T
A16 OVERIDE
TE ST H I_ 13 3
PCI_STOP#
3.3V
PCIE_TXN3_IDE 19
PCI_GNT0#
T
1130
VTT_1.2VS 3,4,5,6,7,10,18,36,37
PCIE_RXN2_NEW_CARD
T
C170 0. 1u_X7R_04
PCI_C/ BE3#23,24
DMI_RX0 7
PCI_C/BE0#
PCIE_RXP_GLAN 22
SPCIE_RXN4_WLAN 26
PCI _REQ3 #
SPI_CS1#
DMI_TX2
ICH_LANRX2 22
PCI_C/BE3#
PCI_TRDY #23,24
N/A
PCIE_RXN3_IDE 19
PCI _I NTG#
PCI_AD1
PCI_AD11
1.5VS 3,17,18,26,35
PCI_PERR#
PCI_REQ1#
SPCIE_RXP4_WLAN
T
H_IGNNE# 3
PCI _GN T2#
PCIE_TXN1_WLAN
SPI _MOSI
PCIE_RXN2_NEW_CARD 26
DMI_RX3 7
PCI_AD22
Z1601
DMI_TX#3
RN11 8.2K_04_8P4R
1
2
3
4 5
6
7
8
PCI _AD [3 1. .0]23 ,24
PCI_AD0
SPI _MISO
EN
VDD3 4,13,15,21,25,31,32
PCI_STOP#
PCI_TRDY#
Z1620
Z1618
DES.
PCI_STOP#23,24
PCI_AD12
PCI_C/BE2#
RN3 *8P4RX8.2K_04
1
2
3
45
6
7
8
H
3.3VS
PCI_PME#23,24,25
H_INTR
PCI _I NTD#
RSMRST# 17,21, 25
PCI_GNT0#
PCIE_TXP_GLAN
DMI_RX#2
H_A20GATE 25
3.3VS 2,7,10,11,12,13,14,15,17,18,19,20,21,23,24,25,26,28,29,30,31,37
PCI_AD28
SPCIE_TXP4_WLAN
C177 0. 1u_X7R_04
PCI_INTE#24
PCI_INTA#23
PCI_LOCK#
PCI_REQ3#
T
ICH8 H/W STRAPS
5VS 13,15,18,19,20,21,24,28,29,31
H_NMI
PCIE_TXP3_IDE
DMI_RX1
PCIE_RXP2_NEW_CARD
C171 0. 1u_X7R_04
DMI_RX1 7
PCI_AD7
PECI
PCI_GNT2#
DMI_TX0 7
3.3V 4,7,14,17,18,21,22,24,26,30,31,34,36
PCI_C/BE1#
PCI 1 0
PCIE_TXN2_NEW_CARD
PCI _REQ0 #
DMI_TX#1 7
PCI_AD17
PCI_AD30
PCI_AD21
PCI_AD20
H_NMI 3
PC IE_R XP1_WL AN
DMI_TX3
DMI_RX#0 7
DMI_RX#1 7
PCI _I NTA#
SPCIE_TXN4_WLAN
PCI_SERR#23,24
H_INTR 3
PCI _REQ1 #
PC I_R ST#
PCI_INTB#
T
R467 *1K_04
PCI_AD23
PCI_INTF#
FWH 1 1
PCI_INTC#23,24
ICH_LANTX0 22
PCI_AD25
PCI _I NTE#
PC IE_R XP3_I DE
C172 0. 1u_X7R_04
DMI_TX#3 7
SPI 0 1
H_INIT# 3
R170 0_04
RN10 8.2K_04_8P4R
1
2
3
4 5
6
7
8
PCI_REQ2#
Z1614
PCIE_TXN_GLAN
SPI_MISO
T
Z1625
SPI _CS0#
R451 8.2K_04
H_SMI# 3
PC IE_R XN1_ WLAN
PCI_AD13
PCI_AD8
PCI_IRDY#23,24
DMI_TX#2 7
PCI_AD16
PCLK_ICH2
H_INIT#
RN12 8.2K_04_8P4R
1
2
3
4 5
6
7
8
DMI_TX1 7
PCI_TRDY#
PCI_AD19
PCI_INTE#
C273
*10p_50V_04
TE ST H I_ 1 3
H_FERR#
H_A20GATE
R144 24.9_1%_04
PCI_AD10
PCI_LOCK#
PC LK_I C H
Z1613
Z1622
SPCIE_RXN4_WLAN
R501 1K_04
RN2 8.2K_04_8P4R
1
2
3
4 5
6
7
8
SRCCLK_ICH 2
DMI_RX3
PCI_AD6
H_A20M#
PCI_DEVSEL#
DMI_RX#3
H_SMI#
PCI_INTC#
DMI_TX#0
T
PCI_PAR23,24
KBC_RST#
PC IE_R XN3_ ID E
DMI_RX2
RN8 8.2K_04_8P4R
1
2
3
4 5
6
7
8
R484 *8.2K_04
C174 0. 1u_X7R_04
INT_SERIRQ
SPI_CLK14
PCI_AD27
PCI_AD26
Z1610
PCI _REQ2 #
C178 0. 1u_X7R_04
SET
BIT
PCI_AD18
PCI_INTH#
PCIE_TXN3_IDE
C173 0. 1u_X7R_04
SRCCLK_ICH#
C175 0. 1u_X7R_04
PCI_AD15
SPI_CS1#
C179 0. 1u_X7R_04
PCI_IRDY#
PCI_INTG#
H_A20GATE
3. 3V
SPI_CS0#14
PCI_SERR#
DMI_RX#0
Z1623
SPI _CLK
L
PCI_AD5
PCI _I NTB#
Z1612
PCI_REQ0#
PCI_INTD#
PCI_INTD#23
INT_SERIRQ14,23,25
PCI_C/ BE0#23,24
DMI_TX3 7
T
PCIE_RXP1_WLAN 26
PCIE_RXN_GLAN 22
FWH_INIT#
DMI_TX0
DMI_TX#2
T
R483 *1K_04
PCI_PME#
PCI _I NTH#
PCI_GNT2#
PCI_AD29
PCIE_RXP2_NEW_CARD 26
H_A20M# 3
ICH_LAN_CLK 22
DMI_RX#2 7
PCI _GN T3#
Z1607
KBC_RST#
PCIE_RXP_GLAN
PCI_PAR
Z1619
PCI_PERR#23,24
DMI_TX#1
DMI_RX#3 7
PCI_GNT3#
C176 0. 1u_X7R_04
PCI_RST#23 ,24
PCI_AD14
LAN _PWR OK
R481 2.7K_1%_04
PCI_GNT1#24
PCI_GNT3#
R462 *8.2K_04
PCI_C/ BE1#23,24
Z1609
PCI_DEVSEL#
PCIE_RXP3_IDE 19