Service manual

Schematic Diagrams
ICH4-3 (3 of 3) B - 13
B.Schematic Diagrams
ICH4-3 (3 of 3)
+VCCRTC
+1.5V
+1.5VS
+1.8VS
+1.5VS
+VCCP
+3VS
+5V
+3VS+5VS
+3VS
+1.5VS
+3V
+3V
+3V
+3V
ICHPWROK4,11,12,21,31
PM_RSMRST#12,20,32
SMB_ICHCLK8,10,11,17
SMB_ICHDATA8,10,11,17
IDE_PATADET11
IDE_SATADET11
+3VS 3,8,10,11,12,15,16,17,18,20,21,25,27,28,29,31,32,33,35,37
+VCCRTC 11,12
+1.5VS 4,5,7,11,25,32
+1.5V 32
+VCCP 3,4,6,7,12,33
+3V 3,11,12,15,17,20,22,23,24,31,32,34,35
+1.8VS 4,6,7,11,23,25,27,28,32
+5VS 11,15,16,18,20,21,28,31,32,35
+5V 8,14,15,18,20,23,31,33,34,35
PCI_TRDY#11,15,17,22,24
PCI_REQ2#11,17
PCI_FRAME#11,15,17,22,24
PCI_DEVSEL#11,15,17,22,24
PCI_SERR#11,15,17,22,24
PCI_IRDY#11,15,17,22,24
PCI_REQ1#11,24
PCI_REQ3#11,15
PCI_REQ4#11
PCI_GNT3#11,15
PCI_REQ0#11,22
PCI_PERR#11,15,17,22,24
PCI_LOCK#11
PCI_STOP#11,15,17,22,24
INT_PIRQC#11,17,22
INT_PIRQA#11,15,22,25
INT_PIRQB#11,15,22,24
INT_PIRQD#11,25
INT_IRQ1511,16
INT_IRQ1411,16
+5VA
VCC5REF
Z1301
+5VA
Z1304
Z1305
Z1303
VCC5REF
+3VS
+1.5V
+VCCRTC
+1.5VS
+VCCP
Z1302
+3V
+1.8VS
+5VS
+5V
R462 100K
L70 L_0603(129)
R473 2.2K(0402)
R467 2.2K(0402)
D58
RB751V
AC
C699
10U(0805)/6.3V
C672
.1u(0402)
C717
.1u(0402)
C667
.1u(0402)
C682
.1u(0402)
C686
.1u(0402)
+
C719
22U(1206)
C722
.1u(0402)
+
C737
22U(1206)
C730
.1u(0402)
C723
.1u(0402)
R459 *8.2K(0402)
+
C700
22U(1206)
C706
.1u(0402)
C679
.1u(0402)
C683
.1u(0402)
+
C668
10U(0805)/6.3V
C705
.1u(0402)
C738
.1u(0402)
D59
*RB751V
AC
L74 L_0603(129)
D55
RB751V
AC
+
C702
22U(1206)
R439
1K(0402)
C724
.1u(0402)
C714
4.7U(0805)
C725
.1u(0402)
+
C247
150U_POS(D)
C715
.1u(0402)
R485 8.2K
C671
.1u(0402)
+
C701
22U(1206)
R456 100K
C695
.1u(0402)
L72 L_0603(129)
+
C716
22U(1206)
C709
.1u(0402)
C678
.1u(0402)
C687
.1u(0402)
C753
1u
ICH-4
POWER
UB2C
ICH4-M
E12
E13
E20
F14
G18
R6
T6
U6
F6
F7
E9
F9
E7
V6
E15
L23
M14
P18
T22
C22
P14
U18
AA23
A5
B2
H6
H18
J1
J18
K6
M10
P6
P12
U1
V10
V16
V18
AC8
AC17
K10
K12
K18
K22
P10
T18
U19
V14
AB5
E11
F10
F15
F16
F18
K14
V7
V8
V9
F17
VCCSUS1.5_0
VCCSUS1.5_1
VCCSUS1.5_2
VCCSUS1.5_3
VCCSUS1.5_4
VCCSUS1.5_5
VCCSUS1.5_6
VCCSUS1.5_7
VCCLAN1.5_0
VCCLAN1.5_1
VCCLAN3.3_0
VCCLAN3.3_1
VCC5REF1
VCC5REF2
VCC5REFSUS1
VCCHI_0
VCCHI_1
VCCHI_2
VCCHI_3
VCCPLL
VCC_CPU_IO_0
VCC_CPU_IO_1
VCC_CPU_IO_2
VCC3.3_0
VCC3.3_1
VCC3.3_2
VCC3.3_3
VCC3.3_4
VCC3.3_5
VCC3.3_6
VCC3.3_7
VCC3.3_8
VCC3.3_9
VCC3.3_10
VCC3.3_11
VCC3.3_12
VCC3.3_13
VCC3.3_14
VCC3.3_15
VCC1.5_0
VCC1.5_1
VCC1.5_2
VCC1.5_3
VCC1.5_4
VCC1.5_5
VCC1.5_6
VCC1.5_7
VCCRTC
VCCSUS3.3_0
VCCSUS3.3_1
VCCSUS3.3_2
VCCSUS3.3_3
VCCSUS3.3_4
VCCSUS3.3_5
VCCSUS3.3_6
VCCSUS3.3_7
VCCSUS3.3_8
VCCSUS3.3_9
L67 L_0603(129)
R492
*10K(0402)
C728
.1u(0402)
RP170 10P8RX8.2K10
9
8
7
6
1
2
3
4
5
RP171 10P8RX8.2K10
9
8
7
6
1
2
3
4
5
R143 8.2K(0402)
R159 8.2K(0402)
RP119 8P4RX8.2K
8 1
7 2
6
5
3
4
R460
10K(0402)
C681
1u
C689
.1u(0402)
VSS
ICH-4
UB2D
ICH4-M
A1 A4 A16 A18 A20 A22 AA3 AA9 AA12 AA16 AA22 AB7 AB20 AC1 AC5 AC10 AC14 AC18 AC23 B9 B12 B16 B18 B20 B22 C6 C15 C17 C19 C21 C23 D1 D4 D8 D12 D15 D17 D19 D21 D22 D23 E10 E14 E16 E17 E18 E19 E21 E22 F8 G3 G6
G19 G21 H1 J6 K3 K11 K13 K19 K23 L10 L11 L12 L13 L14 L21 M1 M11 M12 M13 M20 M22 N5 N10 N11 N12 N13 N14 N19 N21 N23 P3 P11 P13 P20 P22 R5 R18 R21 T1 T19 T23 U20 V3 V15 V17 W5 W8 W22 Y7 Y19
VSS0 VSS1 VSS2 VSS3 VSS4 VSS5 VSS6 VSS7 VSS8 VSS9 VSS10 VSS11 VSS12 VSS13 VSS14 VSS15 VSS16 VSS17 VSS18 VSS19 VSS20 VSS21 VSS22 VSS23 VSS24 VSS25 VSS26 VSS27 VSS28 VSS29 VSS30 VSS31 VSS32 VSS33 VSS34 VSS35 VSS36 VSS37 VSS38 VSS39 VSS40 VSS41 VSS42 VSS43 VSS44 VSS45 VSS46 VSS47 VSS48 VSS49 VSS50 VSS51
VSS52 VSS53 VSS54 VSS55 VSS56 VSS57 VSS58 VSS59 VSS60 VSS61 VSS62 VSS63 VSS64 VSS65 VSS66 VSS67 VSS68 VSS69 VSS70 VSS71 VSS72 VSS73 VSS74 VSS75 VSS76 VSS77 VSS78 VSS79 VSS80 VSS81 VSS82 VSS83 VSS84 VSS85 VSS86 VSS87 VSS88 VSS89 VSS90 VSS91 VSS92 VSS93 VSS94 VSS95 VSS96 VSS97 VSS98 VSS99
VSS100 VSS101
C685
.1u(0402)
C677
.1u(0402)
C662
.1u(0402)
C661
.01u
L69 L_0603(129)
68MA
13MA
22MA
132MA
2.5MA
528MA
550MA
5uA
165MA
Sheet 12 of 36
ICH4-3
(3 of 3)