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8
7
ICH3-S (PART 4 0F 4)
A1
GND0
A13
GND1
A16
GND2
A17
GND3
A20
GND4
A21
GND5
D
A22
GND6
A23
GND7
B8
GND8
B10
GND9
B13
GND10
B14
GND11
B15
GND12
B18
GND13
B19
GND14
B20
GND15
B22
GND16
C3
GND17
C6
GND18
C14
GND19
C15
GND20
C16
GND21
C17
GND22
C18
GND23
C19
GND24
C
C20
GND25
C21
GND26
C22
GND27
D9
GND28
D13
GND29
D16
GND30
D17
GND31
D20
GND32
D21
GND33
D22
GND34
E5
GND35
E14
GND36
E15
GND37
E18
GND38
E19
GND39
E20
GND40
F19
GND41
F22
GND42
G3
GND43
B
G20
GND44
H19
GND45
J5
GND46
K20
GND47
K21
GND48
K22
GND49
K23
GND50
L3
GND51
U45
A
8
7
6
5
ICH3_GNTA_N
53
L21
GND52
L23
GND53
M20
GND54
M22
GND55
N5
GND56
N21
GND57
N23
GND58
+V3_3
P20
GND59
P22
GND60
Strap options and SPKR circuit
R3
GND61
R5
GND62
R21
GND63
R23
GND64
T4
GND65
T20
GND66
T22
GND67
V3
GND68
V20
GND69
W6
ICH3_SAFE_MODE
GND70
54
W7
GND71
W10
GND72
W14
GND73
W18
GND74
W22
GND75
Y8
GND76
AA3
GND77
AA8
GND78
AA12
GND79
AA16
GND80
AA20
GND81
AA22
GND82
AB8
GND83
AC1
GND84
AC8
GND85
AC23
+V5_0
GND86
K11
RT1
GND87
1
2
K13
GND88
PTC 2.6A
L10
GND89
L11
GND90
L12
GND91
L13
ICH3_USB_OC0_N
GND92
54
L14
GND93
M11
GND94
M12
GND95
M13
GND96
N10
50 OHMS
GND97
ICH3_USBP0N
N11
54
GND98
N12
GND99
FB16
50 OHMS
N13
GND100
ICH3_USBP0P
N14
54
GND101
P11
FB15
GND102
+V5_0
P13
GND103
1
PTC 2.6A
ICH3_USB_OC1_N
54
50 OHMS
ICH3_USBP1N
54
FB13
50 OHMS
ICH3_USBP1P
54
6
5
4
+V3_3
SPKR_Q_R
Q41
3
JP7
NO_REBOOT_PU
3
R399
NO_REBOOT
1
1
2.2K
2
ICH3_SPKR
55
2
12
53,57,58,66,67
ICH3_PCIRST_N
+V3_3;14
GND;7
54,56
ICH3_PDD[15:0]
USB0_V5_0
USB-CON2
1
VCC1
2
CONN_USBP0_N
DATA1-
3
CONN_USBP0_P
DATA1+
4
GND1
5
USB1_V5_0
VCC2
6
DATA2-
7
DATA2+
RT2
8
GND2
2
J10
CAD Note: Place 47pF caps
as close as possible
to USB connector
CONN_USBP1_N
CONN_USBP1_P
FB14
USB Connectors
4
3
2
+V3_3
SP1
1
R397
SPKR
2
33
DMT-1206
NOPOP
PIEZO_BUZZER
R396
68
+V3_3
U68
11
74LVT125
J16
1
33
IDE_PRI_RST_N
2
R387
ICH3_PDD7
3
4
5
ICH3_PDD6
6
7
ICH3_PDD5
8
9
ICH3_PDD4
10
ICH3_PDD3
11
12
13
ICH3_PDD2
14
ICH3_PDD1
15
16
17
ICH3_PDD0
18
19
21
ICH3_PDDREQ
22
54
23
ICH3_PDIOW_N
24
54
25
ICH3_PDIOR_N
26
54
27
ICH3_PIORDY
28
54
29
ICH3_PDDACK_N
30
54
31
ICH3_IRQ14
32
53
33
ICH3_PDA1
34
54
35
ICH3_PDA0
36
54
37
ICH3_PDCS1_N
38
54
39
FP_HD_ACT_N
40
80
IDE Connector
TITLE:
INTEL(R) E7500 CHIPSET CUSTOMER REFERENCE SCHEMATICS
Platform Apps Engineering
R
1900 Prairie City Road
Folsom, California 095630
3
2
1
D
ICH3_PDD[15:0]
ICH3_PDD8
54,56
ICH3_PDD9
ICH3_PDD10
ICH3_PDD11
C
ICH3_PDD12
ICH3_PDD13
ICH3_PDD14
ICH3_PDD15
IDE_PRI_CBL_DET
54
ICH3_PDA2
54
ICH3_PDCS3_N
54
B
A
SHEET
LAST REVISED:
56
03/04/02
1
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