Schematic Diagrams
ICH7-2
Sheet 15 of 40
ICH7-2
19,21
PC I_AD [31:0]
16,19
INT_PIRQA#
16,19
INT_PIRQB#
16,19,21
INT_PIRQC #
16,19,21
INT_PIRQD #
B - 16 ICH7-2
+3V
R 179
4.7K
Z1501
Q10
PLTRST#
S
D
R 186
0
LPLT_RST# 18,19,20,21,26,33
G
BSS138
PR STEN
16
PR STEN
R 189
*0
U36B
PCI_AD0
E18
D7
AD0
REQ0#
PCI_REQ#0 16,19
PCI_AD1
C18
E7
PCI
PC I_GNT#0 19
AD1
GNT0#
PCI_AD2
A16
C16
AD2
REQ1#
PCI_REQ#1 16
PCI_AD3
F18
D16
PCI_GNT#1
AD3
GNT1#
PCI_AD4
E16
C17
AD4
REQ2#
PCI_REQ#2 16,21
PCI_AD5
A18
D17
PC I_GNT#2 21
AD5
GNT2#
PCI_AD6
E17
E13
AD6
REQ3#
PCI_REQ#3 16
PCI_AD7
A17
F13
PCI_GNT#3
AD7
GNT3#
PCI_AD8
A15
A13
AD8
REQ4#/GPIO22
PCI_AD9
C14
A14
AD9
GNT4#/GPIO48
PCI_AD10
E14
C8
AD10
GPIO1/REQ5#
PCI_REQ#5 16
PCI_AD11
D14
D8
PCI_GNT#5
AD11
GPIO17/GNT5#
PCI_AD12
B12
AD12
PCI_AD13
C13
B15
AD13
C /BE0#
PCI_C/BE0# 19,21
PCI_AD14
G15
C12
AD14
C /BE1#
PCI_C/BE1# 19,21
PCI_AD15
G13
D12
AD15
C /BE2#
PCI_C/BE2# 19,21
PCI_AD16
E12
C15
PCI_C/BE3# 19,21
AD16
C /BE3#
PCI_AD17
C11
AD17
PCI_AD18
D11
A7
AD18
IR DY #
PCI_IRDY # 16,19,21
PCI_AD19
A11
E10
AD19
PAR
PCI_PAR 19,21
PCI_AD20
A10
B18
PCIRST#
AD20
PCIR ST#
PCI_AD21
F11
A12
PCI_DEVSEL# 16,19,21
AD21
D EVSEL#
PCI_AD22
F10
C9
AD22
PERR#
PCI_PERR# 16,19,21
PCI_AD23
E9
E11
AD23
PLOCK#
PCI_LOCK# 16
PCI_AD24
D9
B10
PCI_SERR# 16,19,21
AD24
SERR#
PCI_AD25
B9
F15
PCI_STOP# 16,19,21
AD25
STOP#
PCI_AD26
A8
F14
AD26
TR DY #
PCI_TR DY # 16,19,21
PCI_AD27
A6
F16
AD27
FRAME#
PCI_FRAME# 16,19,21
PCI_AD28
C7
AD28
PCI_AD29
B6
C26
PLTRST#
AD29
PLTR ST#
PCI_AD30
E6
A9
AD30
PCICLK
CLK_IC HPCI 2
PCI_AD31
D6
B19
PCI_PME#
AD31
PME#
PCI_PME# 19,21,23
INTERRUPT I/F
A3
G8
Z1532
PRIQA#
GPIO2/PIRQE#
B4
F7
PRIQB#
GPIO3/PIRQF#
IDE_PATD ET# 16
C5
F8
PRIQC #
GPIO4/PIR QG#
IDE_SATD ET# 16
B5
G7
INT_PIR QH# 16
PRIQD #
GPIO5/PIR QH#
MISC
TP_ICH _R SVD1
AE5
AE9
TP_IC H_RSVD6
RSVD[1]
RSVD[6]
TP_ICH _R SVD2
AD5
AG8
TP_IC H_RSVD7
RSVD[2]
RSVD[7]
TP_ICH _R SVD3
AG4
AH8
TP_IC H_RSVD8
RSVD[3]
RSVD[8]
TP_ICH _R SVD4
AH4
F21
RSVD[4]
RSVD[9]
RSVD9 14
TP_ICH _R SVD5
AD9
AH20
RSVD[5]
MCH _SY NC#
MCH _IC H_SY NC # 6
ICH 7-M
+3VS 2,3,6,9,11,12,13,14,16,17,18,19,20,21,23,24,25,26,27,28,30,32,33,34
+3V 16,17,20,21,23,25,28,29,30,34
+1.5VS 4,6,8,9,16,17,20,25,28
20
HSIN0
+VDD3 3,16,20,23,25,26,29,30,31,32,34
20
HSIP0
20
HSON0
20
HSOP0
28
HSIN2
28
HSIP2
28
HSON 2
28
HSOP2
+3V
NOTE:R7F3-5 are not
needed when sharting SPI
R 520
R 521
R 518
flash with ICH7M and
Tekoa
*10K
*10K
*10K
33
SPI_SCLK
33
SPI_CE#
33
SPI_SI
33
SPI_SO
22
USB_OC 0#
22
USB_OC 1#
31
USB_OC 2#
20
USB_OC 3#
+3V
FLASH# 26
FWH_TBL# 26
R 169
*1K
R164
*1K
R209
+3V
R210
6,16,18,19,20,23,26,28,33
PLT_RST#
+3V
R 529
10K
+3V
R542
10K
PC I_PME#
R211
ICH7 Boot BIOS selelct
F950118
GNT5#R8U2
STARP
LPC(default)
UNSTUFF
11
PCI
10
UNSTUFF
SPI
01
STUFF
U36D
F26
V26
PER n1
DMI0RXN
DMI_RXN0 6
F25
V25
PER p1
DMI0R XP
DMI_RXP0 6
C193 0.1UF
Z1502
E28
U 28
DMI_TXN 0 6
PETn1
D MI0TXN
C190 0.1UF
Z1503
E27
U 27
PETp1
DMI0TXP
DMI_TXP0 6
H26
Y 26
PER n2
DMI1RXN
DMI_RXN1 6
H25
Y 25
DMI_RXP1 6
PER p2
DMI1R XP
C188 0.1UF
Z1504
G28
W28
PETn2
D MI1TXN
DMI_TXN 1 6
Z1505
C184 0.1UF
G27
W27
PETp2
DMI1TXP
DMI_TXP1 6
Z1506
K26
AB26
DMI_RXN2 6
PER n3
DMI2RXN
Z1507
K25
AB25
DMI_RXP2 6
PER p3
DMI2R XP
Z1508
J28
AA28
PETn3
D MI2TXN
DMI_TXN 2 6
Z1509
J27
AA27
PETp3
DMI2TXP
DMI_TXP2 6
Z1510
M26
AD 25
DMI_RXN3 6
PER n4
DMI3RXN
Z1511
M25
AD 24
PER p4
DMI3R XP
DMI_RXP3 6
Z1512
L28
AC 28
PETn4
D MI3TXN
DMI_TXN 3 6
Z1513
L27
AC 27
PETp4
DMI3TXP
DMI_TXP3 6
Z1514
P26
AE28
PER n5
DMI_CLKN
CLK_PC IE_IC H# 2
Z1515
P25
AE27
PER p5
DMI_C LKP
CLK_PC IE_IC H 2
Z1516
N28
PETn5
Z1517
N27
C 25
Z1526
PETp5
DMI_ZC OMP
D 25
R160
24_1%
Z1527
DMI_IRC OMP
Z1518
T25
PER n6
Z1519
T24
F1
PER p6
USBP0N
USB_PN0 22
Z1520
R28
F2
USB_PP0 22
PETn6
U SBP0P
Z1521
R27
G4
USB_PN1 22
PETp6
USBP1N
G3
U SBP1P
USB_PP1 22
SPI_SCLK
R 2
H 1
SPI_CLK
USBP2N
USB_PN2 31
SPI_CE#
P6
H 2
SPI_CS#
U SBP2P
USB_PP2 31
SPI_ARB
P1
J4
USB_PN3 20
SPI_ARB
USBP3N
J3
U SBP3P
USB_PP3 20
SPI_SI
P5
K1
SPI_MOSI
USBP4N
USB_PN4 22
SPI_SO
P2
K2
SPI_MISO
U SBP4P
USB_PP4 22
L4
USB_PN5 34
USBP5N
D 3
L5
USB_PP5 34
OC0#
U SBP5P
C 4
M1
OC1#
USBP6N
USB_PN6 24
D 5
M2
OC2#
U SBP6P
USB_PP6 24
D 4
N 4
USB_PN7 28
OC3#
USBP7N
R539
10K
Z1522
E5
N 3
USB_PP7 28
OC4#
U SBP7P
R524
10K
Z1523
C 3
OC5#/GPIO29
Z1524
R523
10K
A2
D 2
Z1528
Place within
OC6#/GPIO30
USBR BIAS#
Z1525
R525
10K
B3
D 1
OC7#/GPIO31
USBRBIAS
500 mils of
R 522
ICH
ICH7-M
Place within
19.1_1%
500 mils of
ICH
10K
F950118
*0
PLTRST#
+VDD 3
C 238
0.1UF
U8C
9
0
Z1530
8
PM_RSMRST#
10
Z1531
R208
0
PM_RSMR ST# 16,23
74S08/SO_1
GNT4#R8U7
UNSTUFF
STUFF
UNSTUFF
+1.5VS
L30
HC B1608K-121T25
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