Service manual
Table Of Contents
- Manual
- Preface
- 1: Introduction
- Overview
- System Specifications
- External Locator - Top View with LCD Panel Open
- External Locator - Front & Left Side Views
- External Locator - Right Side & Rear Views
- External Locator - Bottom View
- Mainboard Overview - Top (Key Parts)
- Mainboard Overview - Bottom (Key Parts)
- Mainboard Overview - Top (Connectors)
- Mainboard Overview - Bottom (Connectors)
- 2: Disassembly
- Overview
- Maintenance Tools
- Connections
- Maintenance Precautions
- Disassembly Steps
- Removing the Battery
- Removing the Hard Disk Drive
- Removing the Modem
- Removing the Wireless LAN
- Removing the System Memory (RAM)
- Removing the Optical (CD/DVD) Device
- Removing the Processor
- Removing the Keyboard
- Appendix A: Part Lists
- Appendix B: Schematic Diagrams
- System Block Diagram
- Socket 479 - 1 of 2
- Socket 479 - 2 of 2
- 855PM MCH-1
- 855PM MCH-2
- 855PM MCH-3
- DDRAM
- DDR Termination
- Clock Generator
- ICH4-1 (1 of 3)
- ICH4-2 (2 of 3)
- ICH4-3 (3 of 3)
- USB 2.0
- MDC, BT, CCD, Mini PCI
- HDD, CDROM
- LAN RTL8110S (B)-32
- LPC S I/O, Flash ROM
- Power On Checklist
- Hitachi H8S
- Audio Codec ALC202
- PCMCIA (PCI1620)
- PCMCIA Socket
- TI1394 (TSB43AB21)
- M10 AGP/PCI/Power
- M10 MEM I/F-A
- M10 MEM I/F-B
- M10 VGA Connector
- Panel CON
- VGA DDR DRAM Termination
- Audio Out & Off Board
- BTVCC, +1.5V, +1.8VS
- V_CORE
- +VDD3, +VDD5, +12V, +3V, +5V
- +2.5VS, +1.25VS, +5VS, +3VS
- Charger
- SMSC LPC47N217 LPC I/F
Schematic Diagrams
ICH4-1 (1 of 3) B - 11
B.Schematic Diagrams
ICH4-1 (1 of 3)
+1.8VS
+VCCRTC
+5VS
+1.5VS
+1.8VS
+2.5V
+3V
+3V
+1.5VS
+1.8VS
+3V
+3VS
+3VS
+3VS
+3VS
+3V
+3V
+3VS
VA
+3VH8
+1.2VS
PCI_AD[15:0]15,17,22,24
PCI_DEVSEL#13,15,17,22,24
PCI_FRAME#13,15,17,22,24
PCI_GNT1#24
FLASH#12,18
PCI_REQ0#13,22
PCI_REQ1#13,24
PCI_REQ2#13,17
PCI_REQ3#13,15
PCI_REQ4#13
CLK_ICHPCI10
AC_IN#20
H_DPSLP# 3,5
H_IGNNE# 3
H_INTR 3
H_NMI 3
H_PWRGD 3
H_CPUSLP# 3
H_SMI# 3
H_STPCLK# 3
H_FERR# 3
H_RCIN# 20
HUB_PD[10:0] 6
H_INIT# 3
IDE_SATADET 13
HUB_PSTRB# 6
H_A20M# 3
INT_IRQ14 13,16
INT_PIRQC# 13,17,22
CLK_ICH66 10
INT_PIRQA# 13,15,22,25
INT_SERIRQ 18,20,22,37
INT_PIRQB# 13,15,22,24
INT_IRQ15 13,16
PCI_GNT0#22
INT_APICCLK10
SMB_ICHCLK 8,10,13,17
SMB_ICHDATA 8,10,13,17
H_A20GATE 20
IDE_PATADET 13
INT_PIRQD# 13,25
ICHPWROK 4,12,13,21,31
PCI_GNT2#17
PRST#15,17,20,22,24,32
PCIRST#15,16,17,23,32
+3VS 3,8,10,12,13,15,16,17,18,20,21,25,27,28,29,31,32,33,35,37
+5VS 13,15,16,18,20,21,28,31,32,35
+3VH8 3,20,31,32,34,37
+2.5V 5,7,8,34,35
+1.5VS 4,5,7,13,25,32
+1.8VS 4,6,7,13,23,25,27,28,32
+VCCRTC 12,13
PCI_GNT3#13,15
HUB_PSTRB 6
+3V 3,12,13,15,17,20,22,23,24,31,32,34,35
PCI_SERR#13,15,17,22,24
PCI_STOP#13,15,17,22,24
PCI_TRDY#13,15,17,22,24
PCI_C/BE0#15,17,22,24
PCI_PAR15,17,22,24
PCI_C/BE1#15,17,22,24
PCI_C/BE2#15,17,22,24
PCI_IRDY#13,15,17,22,24
PCI_PERR#13,15,17,22,24
PCI_C/BE3#15,17,22,24
PCI_LOCK#13
PCI_PME#15,17,22,24
PCI_AD[31:16]15,17,22,24
PCIRST#15,18,20,22,24,25,37
PRSTEN12,32
FWH_INIT# 18
AC_IN# 20
VA 34,36
BT_EN115,31,32
+1.2VS 7,25,33
PCI_AD[15:0]
H_IGNNE#
H_NMI
H_PWRGD
H_CPUSLP#
H_A20M#
PCI_AD20
HUB_PD1
INT_APICCLK
PCI_AD11
PCI_AD15
PCI_AD23 HUB_PD3
PCI_AD29
PCI_REQB#
SMBALT#
HUB_PD9
PCI_AD6
PCI_AD7
PCI_AD8
HUB_PD2
INT_APICD0
INT_APICD1
PCI_AD17
PCI_AD30
HUB_PD8
PCI_AD25
PCI_AD27
PCI_AD0
PCI_AD13
PCI_AD16
PCI_AD18
PCI_AD5
PCI_AD19
PCI_AD28
HUB_PD6
HUB_VREF_ICH
HUB_PD7
PCI_AD3
PCI_AD14
PCI_GNT0#
H_DPSLP#
H_STPCLK#
H_A20GATE
HUB_PD4
HUB_VSWING_ICH
INT_APICD0
PCI_AD22
H_INTR
INT_PIRQE#
PCI_AD21
H_RCIN#
HUB_PD5
PCI_AD1
PCI_AD10
PCI_AD12
HUB_PD0
PCI_AD2
PCI_AD24
PCI_AD26
H_SMI#
HUB_PD10
PCI_AD4
PCI_AD9
PCI_AD31 HUB_PD11
SMB_ICHCLK
Z1104
H_INIT#
EEP_DOUT
Z1117
Z1101
PCIRST#
INT_APICD1
Z1121
Z1119
INT_PIRQE#
BT_EN1
Z1120
PCI_REQB#
PCI_PAR
INT_APICCLK
PCIRST#
FERR#
+3VH8
+1.8VS
+3VS
+1.5VS
+5VS
+2.5V
SMB_ICHDATA
+VCCRTC
HUB_RCOMP_ICH
Z1105
+3V
Z1111
Z1112
Z1113
Z1114
Z1115
Z1116
Z1109
Z1110
Z1108
Z1106
Z1107
PCI_PAR
PCI_AD[31:16]
PCIRST#1
Z1122
Z1123
ICHPWROK
Z1125
Z1126
AC_IN#
Z1124
VA
Z1127 BT_EN1
Z1103
Z1118
+1.2VS
U26
74AHC1G08
1
2
4
5
3
C796
.1u(0402)
PQ41 2N7002
G
SD
R211
1K(0402)
U25
74AHC1G04
2 4
53
1
R129 56(0402)
T
R207
10K(0402)
T
R197 10K(0402)
C670
.1u(0402)
T
C666
.1u(0402)
T
T
R441
150(0402) 1%
T
R203 10K(0402)
R434
150(0402) 1%
R215 10K(0402)
T
T
T
T
T
T
T
R200 8.2K(0402)
R406
0(0402)
R236
100
R192
10K(0402)
R443
150(0402) 1%
C348
.1u(0402)
Q15
BSS138
G
D S
R214 10K(0402)
R199
10K(0402)
C345
10U(0805)/6.3V
C711
.1u(0402)
R213 *0(0402)
ICH4-M PART A
PCI I/F
CPU I/FHUB I/F
INTERRUPT I/F
EEPROM
LAN I/F
System Manamement I/F
UB2A
ICH4-M
H5
J3
H3
K1
G5
J4
H4
J5
K2
G2
L1
G4
L2
H2
L3
F5
F4
N1
E5
N2
E3
N3
E4
M5
E2
P1
E1
P2
D3
R1
D2
P4
J2
K4
M4
N4
C1
E6
A7
B7
D6
B1
A2
B3
C7
B6
P5
M3
F1
B5
A6
E8
C5
L5
G1
L4
M2
W2
U5
K5
F3
F2
W6
AC3
AB1
AC4
AB4
AA5
Y22
AB23
U23
AA21
W21
V22
AB22
V21
Y23
U22
U21
W23
V23
L19
L20
M19
M21
P19
R19
T20
R20
P23
L22
N22
K21
T21
N20
P21
R23
M23
R22
J19
H19
K20
D5
C2
B4
A3
C8
D7
C3
C4
AC13
AA19
J22
D10
D11
A8
C12
A10
A9
A11
B10
C10
A12
C11
B11
Y5
PCI_AD0
PCI_AD1
PCI_AD2
PCI_AD3
PCI_AD4
PCI_AD5
PCI_AD6
PCI_AD7
PCI_AD8
PCI_AD9
PCI_AD10
PCI_AD11
PCI_AD12
PCI_AD13
PCI_AD14
PCI_AD15
PCI_AD16
PCI_AD17
PCI_AD18
PCI_AD19
PCI_AD20
PCI_AD21
PCI_AD22
PCI_AD23
PCI_AD24
PCI_AD25
PCI_AD26
PCI_AD27
PCI_AD28
PCI_AD29
PCI_AD30
PCI_AD31
PCI_C/BE0#
PCI_C/BE1#
PCI_C/BE2#
PCI_C/BE3#
PCI_GNT0#
PCI_GNT1#
PCI_GNT2#
PCI_GNT3#
PCI_GNT4#
PCI_REQ0#
PCI_REQ1#
PCI_REQ2#
PCI_REQ3#
PCI_REQ4#
PCI_CLK
PCI_DEVSEL#
PCI_FRAME#
PCI_GPIO0/REQA#
PCI_GPIO1/REQB_L/REQ5#
PCI_GPIO16/GNTA#
PCI_GPIO17/GNTB_L/GNT5#
PCI_IRDY#
PCI_PAR
PCI_PERR#
PCI_LOCK#
PCI_PME#
PCI_RST#
PCI_SERR#
PCI_STOP#
PCI_TRDY#
SM_INTRUDER#
SMLINK0
SMLINK1
SMB_CLK
SMB_DATA
SMB_ALERT#/GPIO11
CPU_A20GATE
CPU_A20M#
CPU_DPSLP#
CPU_FERR#
CPU_IGNNE#
CPU_INIT#
CPU_INTR
CPU_NMI
CPU_PWRGOOD
CPU_RCIN#
CPU_SLP#
CPU_SMI#
CPU_STPCLK#
HUB_PD0
HUB_PD1
HUB_PD2
HUB_PD3
HUB_PD4
HUB_PD5
HUB_PD6
HUB_PD7
HUB_PD8
HUB_PD9
HUB_PD10
HUB_PD11
HUB_CLK
HUB_PSTRB#
HUB_PSTRB
HUB_RCOMP
HUB_VREF
HUB_VSWING
INT_APICCLK
INT_APICD0
INT_APICD1
INT_PIRQA#
INT_PIRQB#
INT_PIRQC#
INT_PIRQD#
INT_PIRQE#/GPIO2
INT_PIRQF#/GPIO3
INT_PIRQG#/GPIO4
INT_PIRQH#/GPIO5
INT_IRQ14
INT_IRQ15
INT_SERIRQ
EEP_CS
EEP_DIN
EEP_DOUT
EEP_SHCLK
LAN_RXD0
LAN_RXD1
LAN_RXD2
LAN_TXD0
LAN_TXD1
LAN_TXD2
LAN_JCLK
LAN_RSTSYNC
LAN_RST#
R208 10K
R204
180K
T
R427 56(0402)
R256 1K(0402)
R440
150(0402) 1%
U21
MAX6306
1
2
3
4
5
RESET#
GND
MR#
RST-IN
VCC
R221
1K(0402)
R468
100K
C674
.1u(0402)
C726
10PF
R190 8.2K(0402)
C669
.01u
R206
0(0402)
Q17
2SC4672
B
E
C
R188 *1K(0402)
R412 36.5_1%
R435
10K(0402)
R444
0(0402)
R442
10K(0402)
+
C346
22U(1206)
Q10
2N3904
B
E
C
Q9
2N3904
B
E
C
PR64 330(0402)
PR66 330K
R407
*0(0402)
R119
330(0402)
R220 0(0402)
R118
1.5K(0402)
PR65
100K(0402)
D61
*RB751V
AC
R128
330(0402)
HUB_VREF and HUB_VSWING
circuits for internal
testing need 10 mil traces
w/ 20 mil spacing
HUB INTERFACE VSWING VOLTAGE
HUB INTERFACE LAYOUT: Route singnals
with 4/8 trace/space routing .Singals
must match +/-0.1" of HUB_STB/STB#
SIGNALS
This bus Swith prevents
leakage of the SMBus into
devices powered on the
switched rall.
1 - Disable (Default)
SPEAK => CPU FREQ STRAPPING
0 - Enable
1 - Disable
-SOE => Auto Reboot Select
-ROMCS => LPC ROM Select
0 - Enable
U40
取代原先 之線路
CLOSED TO U13
11/1
ICHPWROK
DE-Glitch
11/1
11/10
11/10
1/6
Sheet 10 of 36
ICH4-1
(1 of 3)