Service manual

Schematic Diagrams
ICH7-3 B - 17
B.Schematic Diagrams
ICH7-3
Sheet 16 of 40
ICH7-3
+3VS
+3V
+3V
+3V
+3VS +3V+3V
+3V
+3VS
+3VS
+3V
+3V
+3V
+3V
+1.5VS
+5VS
+3V
+3VS
+2.5VS
+3V
+3VS
+3V
+VDD 3
+VDD 3
+3V
SMB_ICH CLK2, 12,13,20,21,28
SMB_ICH DATA2,12,13,20, 21,28
AC_SPKR34
PM_BMBUSY #6
PM_SUS_STAT#23,33
PM_STPPCI #2
PM_STPCPU#2
SI/O DET#23
PM_CLKRUN#19,23,33
SWBKON24
PCI E_WAKE#20,28
PM_THRM#3
INT_SERIRQ19,23,33
PM_RSMRST# 15,23
SCI# 23
SMI# 23
SWI# 23
CLKEN#2,32
PCI _DEVSEL#15,19,21
PCI_REQ#215, 21
PCI_REQ#015, 19
INT_PIRQA#15,19
PCI _F RAME#15,19,21
PCI _STOP#15,19,21
PM_CLKRU N#19,23,33
PCI _PERR#15,19,21
PCI_REQ#315
INT_PIRQD#15,19,21
INT_PIRQB#15,19
PCI _I RDY #15,19,21
H_RCIN#14,23
PCI _SERR#15,19,21
PCI_REQ#115
PM_RSMRST#15,23
PCI _LOCK#15
PCI_REQ#515
INT_PIRQC#15,19,21
INT_PIRQH#15
INT_SERIR Q19,23,33
IDE_SATDET#15
PCI _TRD Y #15,19,21
PCIE_WAKE#20, 28
IDE_PATDET#15
+3V 15,17,20,21,23,25,28,29,30,34
+3VS 2,3,6,9,11,12,13,14,17,18,19,20,21, 23,24,25,26,27,28,30,32,33,34
SYS_PWROK 24, 32
+1. 8 VOK29
+0.9VOK29
+1.5VS 4,6,8,9,15,17,20,25,28
SUSC#23
SUSB#20,23,25, 29,32
CLK_U SB48 2,19
PWR_BTN# 23
CLK_ICH 14 2
PM_DPRSLPVR 6,32
+1.05VSOK32
PLT_R ST# 6,15,18,19,20,23,26,28,33
SYS_PWROK24,32
DELAY_VR_PWRGD6,32
+2. 5VS 9, 24,29
+5VS 17,18,22,23,24,25,27,29,30,32,33, 34
H8_SYS_PWROK23
PRSTEN 15
AC_I N23,25
+VDD3 3, 15,20,23,25,26,29,30, 31,32,34
FWH_MFG_MODE CRB_SV_DET
ICHSMI#
INT_SERIRQ
SMLINK0
SMLINK1
PM_RSMRST#
SMB_LINK_ALERT#
PM_RI#
ALL_PWROK
SMB_ICHDATA
SMB_ICHCLK
SYS_PWR OKZ1612
Z1613
+1.8VOK
Z1609
VRMPWRGD
+0.9VOK
Z1607
PM_RSMRST#
ICH_SUSB#
SMB_ICHDATA
Z1601
PATA_PWR_EN#_R
SUSCLK
GPIO9
VRMPWRGD
FWH_MFG_MODE
DOCK_AZ_RST#
LCD_ID0
ICH_SUSC#
PM_SYSR ST#
ICHSWI#
GPIO10
ALL_PWROK
SATA_PWR_EN#0_R
ICHSWI#
GPIO14
PM_BATLOW#
Z1603
PM_BMBU SY#
PM_RI#
ICHSCI#
Z1602
ICHSCI#
SMLINK1
SMB_LINK_ALERT#
PATAODD_DET#
Z1606
SMLINK0
SMB_ICHCLK
CRB_SV_DET
GPIO15
ICHSMI#
SMB_ALERT#
PATAHDD_DET#
Z1604
PM_DPRSLPVR
PM_SYSRST#
+1.05VSOK
Z1611
Z1610
Z1605
GPIO15
GPIO9
GPIO14
GPIO10
ICH_SUSB#
ICH_SUSC#
PM_RSMRST#
Z1608
Z1614
Z1615
Z1616
D11
1N4148
A C
R604 0_0402_N
R177 10K
R143 8.2K
R152 8.2K
R144 8.2K
R536 8.2K
R107 100
R173 8.2K
R174 8.2K
R533 8.2K
R532 8.2K
R242
1K
R534 8.2K
R171 8.2K
R168 8.2K
R531 8.2K
R530 8.2K
R172 8.2K
R490 10K
R103 10K
R535 8.2K
C237
1UF
R541 8.2K
R540 8.2K
C266
0.1UF
R538 8.2K
R155
10K
R156 8.2K
R537 8.2K
R147 8.2K
R251 10K
U8A
74S08/SO_1
1
2
3
147
R527 *1K
R515
*10K
R516 *0
R224 10K
R547 10K
U8B
74S08/SO_1
4
5
6
147
R106 10K
C256
0.1UF
U12
MAX63 06
1
2
3
4
5
RESET#
GND
MR #
RST-IN
VCC
R512
*0
R100 8.2K
R159 2.2K
R545 10K
R543 10K
R546 10K
R134 2.2K
R 151 * 10K
R158 2.2K
R245
10K
R204 *2.2K
SMBSYS GPIO
GPIO
Power MGT
CLOCKS
SATA GPIO
U36C
ICH7-M
C22
B22
A26
B25
A25
A28
A19
A27
A22
AB18
B23
AC20
AF21
A21
B21
E23
AG18
AC19
U2
F20
AH21
AF20
AD22
AC21
AC18
E21
AF19
AH18
AH19
AE19
AC1
B2
C20
B24
D23
F22
AA4
AC22
C21
C23
C19
Y4
E20
A20
F19
E19
R4
E22
D20
R3
AD21
AD20
AE20
SMBCLK
SMBDATA
LINKALERT#
SMLINK0
SMLINK1
RI#
SPKR
SUS_STAT#
SYS_RST#
GPIO0/BM_BUSY #
GPIO11/SMBALERT#
GPIO18/STPPCI#
GPIO20/STPCPU#
GPIO26
GPIO27
GPIO28
GPIO32/CPURUN#
GPIO33/AZ _D OC K_EN#
GPIO34/AZ _D OC K_RST#
WAKE#
SERI RQ
THRM#
VRMPWRGD
GPIO6
GPIO7
GPIO8
GPIO21/SATA0GP
GPIO19/SATA1GP
GPIO36/SATA2GP
GPIO37/SATA3GP
CLK14
CLK48
SUSC LK
SLP_S3#
SLP_S4#
SLP_S5#
PWROK
GPIO16/ DPRSLPVR
TP0/BATLOW#
PWRBTN #
LAN_RST#
RSMRST#
GPIO9
GPIO10
GPIO12
GPIO13
GPIO14
GPIO15
GPIO25
GPIO24
GPIO35
GPIO38
GPIO39
R223
10K
R101 499_1%
R165 8.2K
R248
180K
U31
7404_UMT5
2 4
53
1
R528 10K
R231 *0
C483
0. 1UF
R102 100K
U7A
74S08/SO
1
2
3
147
R237
10K
U7D
74S08/SO
12
13
11
147
R133 8.2K
U7B
74S08/SO
4
5
6
147
D8
1N4148
A C
R246 *0
R175 *0
U7C
74S08/SO
9
10
8
147
R544 8.2K
R205 *0
R108 100
R206 0
R135 8.2K
R493 100
D5
1N4148
A C
R110
10K
R154
10K
R207 0
R176
10K
R256
*0
R526 8.2K
(+3VS)
(+3VS)
(+3V)
(+3V)
(+3VS)
(+3VS)
(+3VS)
F950118
F950118
F950118