Schematic Diagrams
ICH4-2 (2 of 3) B - 13
B.Sch
em
atic D
iag
rams
ICH4-2 (2 of 3)
+3V
+3VS
+3V
+3V
+3V
+3V
+3V
+VCCRTC
+VDD5
+VCCRTC
+3V
+3V
+3V
+3VH8
+3VS
+3V
+3VS
+3V
+3V
+3V
+3VS
+1.5VS
+3V
+3V
+VCCP
+3VS
+3V
AGP_BUSY#
[5]
ICHPWROK
[4,11,12,14,21,22]
PWR_BTN#
[21]
PM_DPRSLPVR
[28]
PM_RSMRST#
[14,16,21]
PM_CLKRUN#
[20,21,24]
SUSA#
[10,21]
PM_STPCPU#
[10,28]
PCI_STP#
[10]
PM_THRM#
[3]
AC_BITCLK
[16,23]
AC_SDATAIN0
[23]
AC_SDATAIN1
[16]
AC_RST#
[16,23]
AC_SDATOUT
[16,23]
AC_SYNC
[16,23]
LPC_AD0
[19,21]
LPC_AD1
[19,21]
LPC_AD2
[19,21]
LPC_AD3
[19,21]
USB_PP1
[15]
USB_PP2
[15]
USB_PP3
[16]
USB_PP4
[16]
USB_PN1
[15]
USB_PN2
[15]
USB_PN3
[16]
USB_PN4
[16]
LPC_DRQ#0
[19]
LPC_FRAME#
[19,21]
USB_OC1#
[15]
USB_OC2#
[15]
SMI#
[21]
SCI#
[21]
SWI#
[21]
IDE_PDD[15:0] [17]
IDE_SDD[15:0] [17]
IDE_PDDACK# [17]
EEP_DOUT [12]
USB_PN5
[15]
LPC_PME# [19,21]
CLK_ICH14 [10]
IDE_PDCS3# [17]
IDE_PDA1 [17]
IDE_SDIOW# [17]
IDE_SDA2 [17]
IDE_PDIOW# [17]
AC_SPKR [23]
IDE_SDA1 [17]
IDE_PIORDY [17]
IDE_SIORDY [17]
IDE_PDCS1# [17]
IDE_SDCS3# [17]
IDE_PDA0 [17]
IDE_SDA0 [17]
SWBKON
[11]
IDE_SDIOR# [17]
IDE_SDDREQ [17]
CLK_ICH48 [10]
IDE_SDCS1# [17]
IDE_PDA2 [17]
IDE_PDIOR# [17]
IDE_PDDREQ [17]
IDE_SDDACK# [17]
SUSC#
[21]
PG_VGATE
[5,28]
LCDID0
[11]
LCDID1
[11]
LCDID2
[11]
BT_DETECH[16]
FLASH#
[12,19]
PRSTEN [12]
DPMS_CLK [5]
SUSB#
[4,18,19,22,26,28,29]
USB_OC3#
[16]
USB_OC5#
[16]
BT_EN1
[16,22]
USB_PN0
[16]
USB_PP0
[16]
USB_PP5
[15]
USB_OC0#
[16]
SWBTEN
[16]
SLP_S1#_D
ICH_SUSB#
AC_SPKR
AC_SDATOUT
RTC_VBIAS
Z1320
Z1321
Z1329
Z1314
Z1315
Z1316
Z1319
Z1318
Z1331
SUSA#
PM_RI#
PM_CLKRUN#
IDE_PDD13
Z1303
IDE_PDD2
IDE_PDD5
RTC_VBIAS
CLK_32X1
IDE_PDD8
IDE_SDD3
CLK_32X2
IDE_PDD4
IDE_PIORDY
RTC_VBIAS
Z1301
Z1310
IDE_SDD6
RTC_RST#
LCDID0
Z1335
IDE_PDD9
AC_SPKR
Z1302
Z1309
IDE_SDD1
IDE_SDD2
CLK_32X2
LCDID1
IDE_PDD6
IDE_PDD10
IDE_PDD11
IDE_SDD8
IDE_PDDREQ
IDE_SIORDY
PM_SYSRST#
Z1308
Z1328
IDE_SDD13
IDE_SDD14
PM_RI#
IDE_PDD3
IDE_PDD7
IDE_SDD4
IDE_SDD5
IDE_SDD7
IDE_SDD10
IDE_SDD11
PM_CLKRUN#
IDE_PDD1
CLK_32X1
ICH_SUSB#
IDE_PDD12
IDE_SDDREQ
LCDID2
PM_SYSRST#
Z1312
IDE_PDD14
IDE_SDD15
AGP_BUSY#
Z1330
Z1306
AC_SDATOUT
IDE_SDD0
IDE_SDD9
RTC_RST#
IDE_PDD0
IDE_PDD15
IDE_SDD12
Z1307
IDE_PIORDY
IDE_SIORDY
IDE_PDDREQ
IDE_SDDREQ
SUSB#
SUSC#
SUSA#
TZ1301
TZ1302
SUSC#
Z1304
DELAY_PG_VGATE
PM_RSMRST#
Z1334
Z1332
DELAY_PG_VGATE
Z1333
AGP_BUSY#
BT_DETECH
PRSTEN
Z1311
SUS_CLK
Z1305
Z1313
Z1322
Z1323
Z1324
Z1325
Z1326
SUS_CLK
Z1317
Z1336
Z1337
PM_RSMRST#
ICH_SUSB#
D15
1N4148
A
C
D17
1N4148
A
C
R147
4.7K
R238
4.7K
D16
1N4148
A
C
R230
0
R224
*0
R217 10K
R437
22.6_1%
R576
10K
Q27
3906_PNP
B
E
C
T
T
R203
10K
T
U57
74AHC1G08
1
2
4
5
3
R210
10K
C331
0.047uF
R29
1K
C676
0.1UF
R161
33
R213 10K
R185
10K
Q33
*BSS138
G
D
S
C188
12PF
C187
12PF
Y7
32.768KHZ
1
3
2
4
R170
*1K
T
R169
10M
T
T
T
T
T
T
T
R146
5.6K
R164
*0
U12C
74LVC14
5
6
14
7
R168
10M
R246
5.6K
R477
*10K
R575
*0
U12D
74LVC14
9
8
14
7
R142
0
R222
10K
R129
1K_1%
R132
2K_1%
R130
100K
C155
1UF
T
C463
0.1UF
R202
10K
R204
22K
R128
10K
C197
1uF
C195
1uF(0805)
R175
15K
R201
1K
J3
JOPEN
2
1
D18
1N4148
A
C
R476
10K
R187
10K
R145
68
R306
2K 1%
R307
750 1%
R460
*1K
C28
1uF
D22
1N4148
A
C
R305
560
R214
10K
R475
10K
R225
10K
R308
1K
D23
RB751V
A
C
JBAT1
CON2
1
2
1
2
R218
0
J4
JOPEN
2
1
C465
.1U
R211
10K
C207
0.1UF
R165 *1K
R162 *10K
R418 *1K
R186
10K
ICH4-M PART B
Power Management
IST
AC'97 I/F
LPC I/F
USB I/F
GPIO
Unmaxed GPIO
IDE I/F
Clocks
Misc
BGA2B
ICH4-M
R2
Y3
AB2
T3
AC2
V20
AA1
Y1
AB6
AA6
W18
Y4
Y2
AA2
W19
Y21
AA4
AB3
V1
J21
Y20
V19
B8
C13
D13
A13
B13
D9
C9
T2
R4
T4
U2
U3
U4
T5
C20
A21
C18
A19
C16
A17
D20
B21
D18
B19
D16
B17
B15
C14
A15
B14
A14
D14
A23
B23
J20
G22
F20
G20
F21
H20
F23
H22
G23
H21
F22
E23
R3
V4
V5
W3
V2
W1
W4
Y13
AB14
AB21
AC22
AA13
AB13
W13
AA20
AC20
AC21
AB11
AC11
Y10
AA10
AA7
AB8
Y8
AA8
AB9
Y9
AC9
W9
AB10
W10
W11
Y11
W17
AB17
W16
AC16
W15
AB15
W14
AA14
Y14
AC15
AA15
Y15
AB16
Y16
AA17
Y17
Y12
AB19
Y18
AB18
AA11
AC12
W12
AA18
AB12
AC19
J23
F19
W7
AC7
AC6
Y6
H23
W20
PM_AGPBUSY#/GPIO6
PM_SYSRST#
PM_BATLOW#
PM_C3_STAT#/GPIO21
PM_CLKRUN#/GPIO24
PM_DPRSLPVR
PM_PWRBTN#
PM_RI#
PM_PWROK
PM_RSMRST#
PM_SLP_S1#/GPIO19
PM_SLP_S3#
PM_SLP_S4#
PM_SLP_S5#
PM_STPCPU#/GPIO20
PM_STPPCI#/GPIO18
PM_SUS_CLK
PM_SUS_STAT#/LPCPD#
PM_THRM#
PM_GMUXSEL/GPIO23
PM_CPUPERF#/GPIO22
PM_VGATE/VRMPWRGD
AC_BITCLK
AC_RST#
AC_SDATAIN0
AC_SDATAIN1
AC_SDATAIN2
AC_SDATAOUT
AC_SYNC
LPC_AD0
LPC_AD1
LPC_AD2
LPC_AD3
LPC_DRQ0#
LPC_DRQ1#
LPC_FRAME#
USB_PP0
USB_PP1
USB_PP2
USB_PP3
USB_PP4
USB_PP5
USB_PN0#
USB_PN1#
USB_PN2#
USB_PN3#
USB_PN4#
USB_PN5#
USB_OC0#
USB_OC1#
USB_OC2#
USB_OC3#
USB_OC4#
USB_OC5#
USB_RBIAS
USB_RBIAS#
GPIO32
GPIO33
GPIO34
GPIO35
GPIO36
GPIO37
GPIO38
GPIO39
GPIO40
GPIO41
GPIO42
GPIO43
GPIO_7
GPIO_8
GPIO_12
GPIO_13
GPIO_25
GPIO_27
GPIO_28
IDE_PDCS1#
IDE_PDCS3#
IDE_SDCS1#
IDE_SDCS3#
IDE_PDA0
IDE_PDA1
IDE_PDA2
IDE_SDA0
IDE_SDA1
IDE_SDA2
IDE_PDD0
IDE_PDD1
IDE_PDD2
IDE_PDD3
IDE_PDD4
IDE_PDD5
IDE_PDD6
IDE_PDD7
IDE_PDD8
IDE_PDD9
IDE_PDD10
IDE_PDD11
IDE_PDD12
IDE_PDD13
IDE_PDD14
IDE_PDD15
IDE_SDD0
IDE_SDD1
IDE_SDD2
IDE_SDD3
IDE_SDD4
IDE_SDD5
IDE_SDD6
IDE_SDD7
IDE_SDD8
IDE_SDD9
IDE_SDD10
IDE_SDD11
IDE_SDD12
IDE_SDD13
IDE_SDD14
IDE_SDD15
IDE_PDDACK#
IDE_SDDACK#
IDE_SDIOR#
IDE_SDDREQ
IDE_PDDREQ
IDE_PDIOR#
IDE_PDIOW#
IDE_SDIOW#
IDE_PIORDY
IDE_SIORDY
CLK_14
CLK_48
RTCRST#
CLK_RTCX1
CLK_RTCX2
CLK_VBIAS
SPKR
THRMTRIP#
U40
74AHC1G08
1
2
4
5
3
U36
LVM331
1
3
4
5
2
+
-
O
VC
C
GN
D
RTC CLEAR
91/02/24
92/02/24
92/02/24
92/02/24
Sheet 12 of 29
ICH4-2
(2 of 3)
Summary of Contents for M375C
Page 1: ......
Page 2: ......
Page 3: ...Preface I Preface Notebook Computer M375C M385C Service Manual ...
Page 35: ...Part Lists Top M375C A 3 A Part Lists Top M375C Figure 1 Top M375C ...
Page 36: ...Part Lists A 4 Bottom M375C A Part Lists Bottom M375C Figure 2 Bottom M375C ...
Page 37: ...Part Lists LCD M375C A 5 A Part Lists LCD M375C Figure 3 LCD M375C ...
Page 38: ...Part Lists A 6 Card Reader M375C A Part Lists Card Reader M375C Figure 4 Card Reader M375C ...
Page 44: ...Part Lists A 12 Top M385C A Part Lists Top M385C Figure 10 Top M385C ...
Page 45: ...Part Lists Bottom M385C A 13 A Part Lists Bottom M385C Figure 11 Bottom M385C ...
Page 46: ...Part Lists A 14 LCD M385C A Part Lists LCD M385C Figure 12 LCD M385C ...
Page 47: ...Part Lists Card Reader M385C A 15 A Part Lists Card Reader M385C Figure 13 Card Reader M385C ...