Service manual

Schematic Diagrams
ICH7-M 3/4, FWH B - 17
B.Schematic Diagrams
ICH7-M 3/4, FWH
Sheet 16 of 34
ICH7-M 3/4. FWH
(+3VS)
(+3VS)
(+3VS)
Z1623
(+3VS)
(+3VS)
Z1622
Z1624
Z1625
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
(+3V)
G
DS
Q19
2N7002W
FLASH#
FWH_WP#
Z1627
FWH-WP#
FWH-WP#
Z1628
Z1626
R150
100K_04
PLT_RST# 5,15,18,20
+3VS
CLKEN#19,29
+VDD3 13,14,15,17,20,27,28
FLASH# 15
Z1604
Z1607
PM_RI#
It"s for internal testing
purposes only
/LPCPD#
PM_PWROK
PCIE_WAKE#_N
PCIE_WAKE#_N
CLK_ICH14
SERIR Q
PM_THRM#
CLK_ICH48
Z1606
1 2
JRST1
*OPEN_10mil-1MM
ICH_SMBCLK
Z1639
ICH_SMBCLK
R552 *100_04
RSMRST#
ICH_SUSB#
+VDD 3
ICH_SMBDAT
R153 *22_04
SUS_CLK 25
PM_RI#
Z1619
ICH_SMBDAT
PM_THRM#
R553 *10K_04
C760 *0.1u_04
SCI#
LINK_ALERT#
SMB_LIN K0
CLKRUN#
SMB_LIN K1
Z1640
G
DS
Q75
*2N7002W
Z1620
FLASH#
VRM_PWRGD
PM_SYSRST#
Z1609
SB_ODDRST#
Z1608
PWRBTN#
FWH_WP#
SB_MUTE25
PM_PWROK
SB_BATLOW#
+1.5VS_PW RGD31
+1.8V_PWR GD30
IMVP6_PWRGD5,29
+1.05VS_PWRGD31
1
2
3
147
U3A
*74LVC08
4
5
6
147
U3B
*74LVC08
ICH_SUSB#
ICH_SUSC#
SLP_S5#
SMB_LIN K0
Z1636
9
10
8
147
U3C
*74LVC08
Z1637
12
13
11
147
U3D
*74LVC08
Z1612
FWH-WP# 15
8/21 4.0
ICH_SUSC#
RSMRST#
R265
0_04
Z1602
PM_SYSRST#
Z1614
4
5
6
147
U32B
74LVC08
SCI#
9
10
8
147
U32C
74LVC08
Z1605
LCDID0
Z1601
LCDID1
R315 *10K_04
SB_PWROK 14
Z1610
VRM_PWRGD
Z1611
POWER GOOD
Z1638
Z1613
Z1614
Layout note:
Z1615
SB_PWROK
Z1616
SB_ODDEN
INSTANT_ON
R138 100K_04
Z1618
R135 *10K_04
R136 *10K_04
Z1638
SB_ODDEN
SOCKET PLCC32
Z1610
R145 *10K_04
R144 10K_04
LCDID2
SWI #
R319 *10K_04
Z1611
Z1601
POWER OK
(IMP809)
R156 *10K_04
Z1613
INSTANT_ON
SB_ODDR ST#18
SB_ODDEN 18
SB_MUTE
FWH
Z1616
R190 *10K_04
R140 *10K_04
Z1618
Z1619
R152 *10K_04
R185 *100K_04
+VDD 3
Z1621
SB_PWROK
PM_STPPCI#
PM_STPCPU#
LCDID1 13
LCDID0 13
LPC_PD#
PM_SYSRST#
ICH_SUSB#
SB_SPK24
SB_MUTE
SERI RQ
Z1629
Z1630
Z1631
CLKRUN#
Z1632
Z1633
Z1615
Z1635
CLK_ICH14 Z1634
CLK_ICH48
R117 0_04
Emergency
Reset
Jumper
R557 *0_04
1
2
3
45
6
7
8
RN39
8P4RX10K_04
GND
1
RST#
2
VCC
3
U31
G690L293T73
C638 0.1u_04
R194
*100K_04
C689
0.1u_04
C690
0.1u_04
R506 10K_04
C691
0.1u_04
GPIO21/SATA0GP
AF19
GPIO19/SATA1GP
AH18
GPIO36/SATA2GP
AH19
GPIO37/SATA3GP
AE19
SMBCLK
C22
SMBDATA
B22
LINKALERT#
A26
SMLINK0
B25
SMLINK1
A25
SPKR
A19
SUS_STAT#
A27
SYS_RST#
A22
GPIO0/BM_BUSY #
AB18
GPIO6
AC21
GPIO7
AC18
GPIO8
E21
GPIO9
E20
GPIO10
A20
GPIO11/SMBALERT#
B23
GPIO12
F19
GPIO13
E19
GPIO14
R4
GPIO15
E22
GPIO18/STPPCI#
AC20
GPIO20/STPCPU#
AF21
GPIO24
R3
GPIO25
D20
GPIO32/CLKRUN#
AG18
GPIO33/AZ_DOCK_EN#
AC19
GPIO34/AZ_DOCK_RST#
U2
GPIO35
AD21
GPIO38
AD20
GPIO39
AE20
WAKE#
F20
SERIR Q
AH21
THR M#
AF20
VRMPWRGD
AD22
CLK14
AC1
CLK48
B2
SUSCLK
C20
SLP_S3#
B24
SLP_S4#
D23
SLP_S5#
F22
PWROK
AA4
GPIO16/DPRSLPVR
AC22
TP0/BATLOW#
C21
PWRBTN#
C23
LAN_RST#
C19
RSMRST#
Y4
RI#
A28
GPIO26
A21
GPIO27
B21
GPIO28
E23
SATA
SMB
SYS GPIO
GPIO
GPIO
Clocks
Power MGT
U29C
ICH7-M
R164 100_04
R311 2.2K_04
C692
0.1u_04
1
2
3
4 5
6
7
8
RN41
8P4RX10K_04
R142 *100K_04
R146 100K_04
C468 *C_04
C500
0.1u_X7R_04
R317 100_04
R187 *R_04
R173 *10K_04
R507 100_04
R184
100_04
VPP
1
RST#
2
FGPI3
3
FGPI2
4
FGPI1
5
FGPI0
6
WP#
7
TBL#
8
ID3
9
ID2
10
ID1
11
ID0
12
FWH0
13
FWH1
14
FWH2
15
GND
16
FWH3
17
RFU
18
RFU
19
RFU
20
RFU
21
RFU
22
FWH4
23
INIT#
24
VCC
25
GND
26
VCCA
27
GNDA
28
IC
29
FGPI4
30
CLK
31
VCC
32
JBIOS1
K2990032-T01R-T
4
53
1
2
U44
74AHC1G32
R137 *10K_04
LPC_PD#25
R151 10K_04
R318 10K_04
R258
100K_04
R340 *R_04
1
2
3
4 5
6
7
8
RN43
8P4RX10K_04
R120 *10K_04
R186
100K_04
R505 10K_04
1
2
3
45
6
7
8
RN56
8P4RX10K_04
R313 2.2K_04
1
2
3
45
6
7
8
RN40
8P4RX10K_04
R259 *0_04
R192 10K_04
C244 *C_04
+3VS
+VDD3
+VDD3
+VDD3
SMB_LIN K1
+3VS
+VDD3
LPC_PD#
+3VS
+3VS
+3VS
12
13
11
147
U32D
74LVC08
SERIRQ14, 21,23,25
ICH_SMBDAT9,10,19,25
ICH_SMBCLK9,10,19,25
+VDD3
+3V
SWI#23
CLKRUN#21,23,25
PM_BMBUSY#5
SMI#23
SCI#23
PM_THRM#2
SUSC# 23
PM_STPCPU#19
PM_STPPCI#19
+3V
+3V
+3V
SUSB# 23,27,30,31
PWRBTN# 23
RSMRST# 23
+3V
PCIE_WAKE#20,23,25
CLK_ICH48 19
CLK_ICH14 19
PM_DPRSLPVR 5,29
PM_PWROK 13,29
LPC_AD014,23,25
LPC_AD114,23,25
LPC_AD3 14,23,25
PLT_RST#5,15,18,20
LPC_AD214,23,25
FWH_INIT# 14
PCLK_FWH 19
FWH_TBL#15
LPC_FRAME# 14,23,25
+3V 13,24,25,26,28,29,30,31
+3VS 2,5,8,9,10, 13,14,15,17,18,19,20,21,22,24,25,26,27
TZ1604
TZ1603
TZ1602
C34 *0.1u_04
12
13
11
147
U23D
74LVC08
R546 *10K_04
R547 *10K_04
PM_STPCPU#
PM_STPPCI#
SB_ODDRST#
LINK_ALERT#
(+3VS)
(+3VS)
(+3VS)
(+3VS)
(+3VS)
(+3VS)
(+3VS)
(+3VS)
(+3VS)
(+3VS)
(+3VS)