Ich8 1/3 (pci, dmi, cpu, irq), Sheet 16 of 43 ich8 1/3 (pci, dmi, cpu, irq), B.sch em atic d iag rams – Intel LV19C Series User Manual
Page 70: Ich 8 part 1/3, Sp i

Schematic Diagrams
ICH8 1/3 (PCI, DMI, CPU, IRQ) B - 17
B.Sch
em
atic D
iag
rams
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_INTF#
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_RST#
SIGNAL
ICH_LAN_RST 22
INT_SERIRQ
P
C
I
IN
TE
R
F
A
C
E
I
NT
ER
RU
P
T
CP
U
LA
N
PC
I
EX
P
R
ES
S
DI
RE
CT
M
E
D
I
A
ICH 8
PART 1/3
SP
I
U11A
82801HD
AG9
AD23
AC24
AB22
AC22
AB19
AH28
AC23
AB20
AB23
AF10
AG10
AC12
AG28
AF23
AF26
F2
4
F2
2
F1
5
F7
F2
E2
8
E2
7
E2
4
E2
1
E9
D2
6
D2
5
D2
2
D1
9
D1
6
D1
2
D6
D4
D2
C2
8
C2
7
C2
2
B2
4
B2
0
B1
7
B1
4
B1
1
B8
B2
A2
8
A2
4
A5
F2
5
G1
8
G1
3
G1
0
G6
G4
G1
F2
6
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#
STPCLK#
RCIN#
A20GATE
INIT3_3V#
THRMTRIP#
PLTRST#
PECI
VSS
_
0
32
VS
S_
03
1
VSS_
0
3
0
VSS
_
0
29
VS
S_
02
8
VSS_
02
7
VSS_
0
2
6
VS
S_
0
25
V
SS_
02
4
VSS_
0
2
3
VS
S_
0
22
V
SS_
02
1
VSS_
0
2
0
VS
S_
0
19
V
SS_
01
8
VSS_
0
1
7
VSS
_
0
16
V
SS_
01
5
VSS_
0
1
4
VSS
_
0
13
V
SS_
01
2
VSS_
0
1
1
VSS
_
0
10
VS
S_
00
9
VSS_
0
0
8
VSS
_
0
07
VS
S_
00
6
VSS_
0
0
5
VSS
_
0
04
VS
S_
00
3
VSS_
00
2
VSS_
0
0
1
VSS_
0
3
3
V
SS_
04
0
VSS_
0
3
9
VSS
_
0
38
V
SS_
03
7
VSS_
0
3
6
VSS
_
0
35
VS
S_
03
4
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
PETP_6/GLAN_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_RSTSYNC
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#
TRDY#
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_MOSI
14
PCI_AD24
PCI_GNT0#
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_INTC#
PCI_GNT1#
T
T
BOOT SELECT STRAPS
PCI_GNT1#
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_MISO
14
DMI_TX#0 7
PCI_PAR
PCI_INTA#
R471
*8.2K_04
ICH_LANTX1 22
DMI_TX2 7
T
A16 OVERIDE
TESTHI_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_INTG#
PCI_AD1
PCI_AD11
1.5VS 3,17,18,26,35
PCI_PERR#
PCI_REQ1#
SPCIE_RXP4_WLAN
T
H_IGNNE# 3
PCI_GNT2#
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[31..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
4
5
6
7
8
H
3.3VS
PCI_PME#
23,24,25
H_INTR
PCI_INTD#
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
PCIE_RXP1_WLAN
DMI_TX3
DMI_RX#0 7
DMI_RX#1 7
PCI_INTA#
SPCIE_TXN4_WLAN
PCI_SERR#
23,24
H_INTR 3
PCI_REQ1#
PCI_RST#
PCI_INTB#
T
R467
*1K_04
PCI_AD23
PCI_INTF#
FWH 1 1
PCI_INTC#
23,24
ICH_LANTX0 22
PCI_AD25
PCI_INTE#
PCIE_RXP3_IDE
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
PCIE_RXN1_WLAN
PCI_AD13
PCI_AD8
PCI_IRDY#
23,24
DMI_TX#2 7
PCI_AD16
PCLK_ICH
2
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
TESTHI_13
H_FERR#
H_A20GATE
R144
24.9_1%_04
PCI_AD10
PCI_LOCK#
PCLK_ICH
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_PAR
23,24
KBC_RST#
PCIE_RXN3_IDE
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_CLK
14
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_INTB#
Z1612
PCI_REQ0#
PCI_INTD#
PCI_INTD#
23
INT_SERIRQ
14,23,25
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_INTH#
PCI_GNT2#
PCI_AD29
PCIE_RXP2_NEW_CARD 26
H_A20M# 3
ICH_LAN_CLK 22
DMI_RX#2 7
PCI_GNT3#
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_PWROK
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