User Guide
Schematic Diagrams
ICH5 (Power, LPC, Clock, SMbus) (71-L27T0-002) B - 15
B.Schematic Diagrams
ICH5 (Power, LPC, Clock, SMbus)
Sheet 14 of 29
ICH5 (Power, LPC,
Clock, SMbus)
R451 330K
R440 0
R489 10K
THERM#22
+3V
Z1414
D27
SD103AWS
AC
KBRST# 22
RSMRST#22
R485 10K
RESET-SW#
CA107
0.1u_X7R
LDRQ#22
Z1401
R497 0
Z1406
THERMTRIP#
Z1412
GPO2716
D26
1N4148
AC
CLK100# 4
VRMPGD
LAD[0..3]
R491 8.2K
SB3V
TZ1412
PWRBTN#22
VREF5V
CA105
0.1u_X7R
+5V 4,11..13,16,17,19,21..29
CN15
KORYO CR2032_R
12
V_CORE
R501 10K
Z1420
SUSCLK
CA301 0.1u_R
R419 10K
+
CT61
10u/10V_1206
ICHSYNC#7
SB3V
CA112
0.1u_X7R
Z1419
SB5V
+3V
Z1403
RN63
8P4R*10K
1
2
3
4 5
6
7
8
R200
180K
CA253
0.1u
SUSC#22,26
VREF5V
CN14
KORYO CR2032
12
THERMTRIP#
STPCLK# 3
ICHSPK 24
TZ1407
LFRAME#21,22
R159 8.2K
R421 62_1%
CA104
0.1u_X7R
RESET-SW#12
D20
R240S
AC
R418 8.2K
Z1413
CB6
0.1u
CB17
1u
C104
0.01u
CPUPWRGD 3
SB3V
Z1423
IGNNE# 3
R500 10K_R
CA108
0.1u_X7R
Z1409
SMBDATA 4,10,16,20,22
TZ1404
CA234
0.1u_X7R
C86
0.01u
TZ1408
C85
0.01u
SB3V 15,16,19,20,22..24,26
INTR 3
CA111
0.1u_X7R
CA117
0.1u_X7R
R448 10M
INIT# 2,21
LAD2
CA98
0.1u_X7R
RTCVCC
CA261
0.1u
ICH-14M 4
LPCPD#
THERM#
R158 10K
KBRST#
R493 0
FERR# 3
CA233
0.1u_X7R
C107
1u
ICH5-PWROK
R420 10K
+
CT68
10u/10V_1206
CA115
0.1u_X7R
+1.5V
SB3V
CA236
0.1u_X7R
ICH-48M 4
SB3V
Z1407
R548
1K
+1.5V 5,7,11,13,15,22,28
SMBDATA
CA109
0.1u_X7R
PD66DET21
U25
74AHC1G08(SC-88A)_R
2
1
4
3
5
SB3V
VTT1.2V
SMBCLK
Z1411
C236
10p
CPUSLP# 3
SMI# 3
SD66DET21
LAD[0..3]21,22
THERMTRIP#3,16
+5V
Z1416
CA121
0.1u_X7R
J5
CMOS CON.
1
2
3
C93
0.01u
TZ1413
Z1421
SATALED#12
Z1410
TZ1401
R496 10K
SB5V 12,13,22,26,28,29
RTCVCC
CA113
0.1u_X7R
R199
4.7K
C102
0.01u
PIN3,4=GND
SB3V
SUSCLK
C230
0.1u
C228
0.01u
+
CT65
10u/10V_1206
SMBCLK 4,10,16,20,22
TZ1402
TZ1405
R498 8.2K
2-3:CLEAR CMOS
R442 1M
R499 10K
BATLOW#
ICH5-PWROK
+
CT69
10u/10V_1206
VRMPGD27
SUSB#6,20,22
TZ1410
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
Z1402
TZ1403
R495 10K
NMI 3
LAD3
C243
0.01u
SB3V
TZ1406
+3V 3..6,11..13,15..17,19..24,26..29
RTCVCC
V_CORE
Z1422
R453 1K
SB3V
Z1417
R441 0_R
GPO2312
Z1408
R492 8.2K
LPCPME#22
BATLOW#
CA251
0.1u_X7R
C234
10p
LAD0
Y3
32.768KHz
1 2
+3V
ICH66CLK 4
Z1418
PWROK6,12,28
RTC CIRCUIT
A20GATE
CA116
0.1u_X7R
V_CORE 2,4,6,22,27
LPCPD#
CLK100 4
Z1415
Z1404
R900 0_R
A20GATE 22
LAD1
CA120
0.1u_X7R
SMBALERT# 16
R901 0
C240
0.01u
A20M# 3
RI#23