Service manual

Schematic Diagrams
ICH5 (Power, LPC, Clock, SMbus) (71-P2970-002A) B - 15
B.Schematic Diagrams
ICH5 (Power, LPC, Clock, SMbus)
Sheet 14 of 28
ICH5 (Power, LPC,
Clock, SMbus)
+3V
RTCVCC
RTCVCC
SB3V
SB3V
V_CORE
+3V
+1.5V
SB5V
+3V
+5V
SB3V
V_CORE
SB3V
SB3V
SB3V
SB3V
SB3V
RTCVCC
SB3V
LAD3
LAD2
LAD1
LAD0
LAD[0..3]
KBRST#
A20GATE
THERM#
VRMPGD
Z1419
Z1417
Z1420
Z1421
Z1414
Z1415
Z1412
Z1413
VREF5V
Z1416
Z1407 Z1409 Z1408
Z1406
THERMTRIP#
THERMTRIP#
Z1402
Z1404
Z1403
SUSCLK
BATLOW#
ICH5-PWROK
LPCPD#
Z1418
Z1401
VREF5V
TZ1401
TZ1402
TZ1403
TZ1404
TZ1405
TZ1406
TZ1407
TZ1408
TZ1410
TZ1412
TZ1413
Z1422 ICH5-PWROK
LPCPD#
RESET-SW#
SMBDATA
SMBCLK
BATLOW#
SUSCLK
Z1411
Z1410
CN15
KORYO CR2032_R
12
CA234
0.1u_X7R
R442 1M
R451 330K
R485 10K
R499 10K
C230
0.1u
R199
4.7K
C243
0.01u
C228
0.01u
C104
0.01u
C93
0.01u
C86
0.01u
+
CT61
10u/10V_1206_R
CA116
0.1u_X7R
R498 8.2K
R501 10K
CA105
0.1u_X7R
J5
CMOS CON.
1 2 3
CA113
0.1u_X7R
CA98
0.1u_X7R
C85
0.01u
CA112
0.1u_X7R
CA107
0.1u_X7R
CA115
0.1u_X7R
CA233
0.1u_X7R
R421 62_1%
R493 0
R420 10K
+
CT65
10u/10V_1206_R
C102
0.01u
CA117
0.1u_X7R
CA251
0.1u_X7R
D20
R240S
AC
R453 1K
R159 8.2K
CA301 0.1u_R
CB17
1u
CN14
KORYO CR2032
12
C234
10p
C236
10p
R448 10M
D26
1N4148
AC
D27
SD103AWS
AC
CA104
0.1u_X7R
U25
74AHC1G08(SC-88A)_R
2
1
4
3
5
CB6
0.1u
R200
180K
R440 0
R441 0_R
R419 10K
R418 8.2K
C240
0.01u
CA253
0.1u
R500 10K_R
CA108
0.1u_X7R
Y3
32.768KHz
1 2
+
CT68
10u/10V_1206
CA261
0.1u
CA120
0.1u_X7R
+
CT69
10u/10V_1206_R
C107
1u
CA121
0.1u_X7R
CA236
0.1u_X7R
CA111
0.1u_X7R
R548
1K
R489 10K
R496 10K
R497 0
RN63
8P4R*10K
1
2
3
4 5
6
7
8
CA109
0.1u_X7R
R495 10K
Power
LPC
Power
GPIO
Ground
Clock
Other
SMbus
CPU
Management
U28A
ICH5
H24
C18 C20 C22 D1 D6 D11 D16 D18 D20 D22 D24 E17 E19 E20 E21 E23 F3 F9 G6 G20 G24 H1 H19 H22 J6 J21 J23 K3 K11
E14 U6 V6 F16 F18 F17 K13 L19 K12 K15 K10 R6 W11 W10 W7 W8 AA6 E22 W6 B5 F6 H6 L6 M10 N10 P6 R13 V19 W15 W17 W24 AD13 AD20 G19 G21 E18
V23
P22
U24
R21
R23
U23
R22
V24
T24
P23
T22
P24
AD1
AD2
AC3
E24
AC11
AB12
V5
Y12
AD3
AA2
AC5
AD5
F20
F24
N22
J19 K19 M15 N15 C24 N23 E15 F15 F14 W19 R12 W9
A7 A10 A15 A17 A19 A21 A23 AA5 AA7 AA9 AA11 AA13 AA21 AA24 AB5 AB7 AB9 AB11 AB15 AB18 AC2 AC4 AC6 AC8 AC10 AC13 AC23 AD4 AD6 AD8 AD12 AD17 AD21 B13 B17 B19 B21 B23 C3 C8 C16
T2
W1
AA3
AC12
Y4
AB3
AB13
AB1
Y1
R20
P20
T5
R4
R3
U4
T4
U5
R2
E13 F11 F10 E11 B15
R5
W5
W3
T1
U21
T20
U22
AB2
U20
F22
V3
W2
R10 P19 AB6 F19 Y5 AA4 AB4 F7 F8 R15 R19 T19 A8 W14
E16
AD11
R24
T21
U2
U1
AA1
R1
AD10
AA12
K14 K20 K22 K24 L10 L11 L12 L13 L14 L15 L21 L23 M1 M5 M11 M12
N14
N13
N12
N11
M24
M22
M14
M13
T3
T6
U19
V1
V21
W16
W18
Y3
N20
P1
P10
P11
P12
P13
P14
P15
P21
T23
R14
R11
Y7
Y6
Y8
Y10
U3
Y2
W4
G23
F21
A1
G1 K6
VCC1_5
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
VCCSUS3_3 VCCSUS3_3 VCCSUS3_3 VCCSUS3_3 VCCSUS3_3 VCCSUS3_3
VCC1_5 VCC1_5 VCC1_5
VCCSUS3_3
VCC1_5 VCC1_5 VCC1_5 VCC1_5 VCC1_5 VCC1_5
VCCSATAPLL
VCC1_5 VCC1_5 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3 VCC3_3
VCCSUS3_3
A20M#
CPUSLP#
FERR#
IGNNE#
INIT#
INTR
NMI
SMI#
STPCLK#
RCIN#
A20GATE
CPUPWRGD/GPIO49
SMBDATA
SMBCLK
SMBALERT#/GPIO11
SPKR
RTCX1
RTCX2
LINKALERT#
INTRUDER#
SMLINK0
SMLINK1
CLK100P
CLK100N
CLK14
CLK48
CLK66
VCC1_5 VCC1_5 VCC1_5 VCC1_5
VCCUSBPLL
VCC1_5 VCC1_5 VCC1_5 VCC1_5 VCC1_5 VCC1_5 VCC1_5
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
THRM#
SLP_S3#
SLP_S5#
PWROK
PWRBTN#
RI#
RSMRST#
SUS_STAT#/LPCPD#
SUSCLK
VRMPWRGD(VGATE)
DPRSLPVR
LAD0 /FB0
LAD1 /FB1
LAD2 /FB2
LAD3 /FB3
LFRAME# /FB4
LDRQ0#
LDRQ1#/GPIO41
VCCSUS3_3 VCCSUS3_3 VCCSUS3_3 VCCSUS3_3 VCCSUS3_3
GPIO6/AGPBUSY#
GPIO13
GPIO25
GPIO32
GPIO18(STP_PCI#)
SLP_S1#/GPIO19
GPIO20(STP_CPU#)
BATLOW#/TP[0]
GPIO22(CPUPERF#)
GPIO23(SSMUXSEL)
GPIO27
GPIO28
VCC1_5 VCC1_5
VCCSATAPLL
VCCSUS1_5 VCCSUS1_5 VCCSUS1_5 VCCSUS1_5 VCCSUS1_5 VCCSUS1_5
V_CPU_IO V_CPU_IO V_CPU_IO
V5REF V5REF
V5REF_SUS
VCCRTC
DPSLP#
THRMTRIP#
SLP_S4#
SYS_RESET#
LAN_RST#
GPIO21(C3_STAT#)
INTVRMEN
RTCRST#
VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
GPIO7
GPIO8
GPIO12
GPIO33
GPIO34
VSS_RSVD
VCC3_3 VCC3_3
R158 10K
R492 8.2K
R491 8.2K
A20M# [3]
CPUSLP# [3]
IGNNE# [3]
INIT# [3,21]
INTR [3]
SMI# [3]
STPCLK# [3]
FERR# [3]
NMI [3]
CPUPWRGD [3]
KBRST# [22]
A20GATE [22]
SMBDATA [4,10,16,22]
SMBCLK [4,10,16,22]
ICHSPK [24]
ICH-14M [4]
ICH-48M [4]
ICH66CLK [4]
LFRAME#[21,22]
LDRQ#[22]
THERM#[22]
SUSC#[22,26]
RI#[23]
PWRBTN#[22]
RSMRST#[22]
VRMPGD[27]
PD66DET[21]
SD66DET[21]
SUSB#[3,6,22]
LAD[0..3][21,22]
CLK100 [4]
CLK100# [4]
LPCPME#[22]
THERMTRIP#[3,16]
RESET-SW#[12]
SMBALERT# [16]
GPO23[12]
+1.5V [5,7,11,13,15,22,28]
+3V [3,4,5,6,11,12,13,15,16,17,19,20,21,22,23,24,26,27,28]
SB3V [15,16,19,20,22,23,24,26]
+5V [4,11,12,13,16,17,19,21,22,23,24,25,26,27,28]
SB5V [3,12,13,22,26,28]
V_CORE [2,3,4,22,27]PWROK[6,12,28]
ICHSYNC#[7]
SATALED#[12]
GPO27[16]
RTC CIRCUIT
2-3:CLEAR CMOS
PIN3,4=GND
RTC CIRCUIT