Service manual

Schematic Diagrams
B - 18 Mainboard (71-P3000-004A)
Schematic Diagrams
ICH2 - 1 of 2
Sheet 16 of 32
ICH2
1 of 2
+3V
+3VSB
+3VSB
+RTCVCC
+3VSB
+HUBREF_A
+3V
+3VSB
+1.8V
+1.8V
+3V
+3V
+12V +3V
+5VSB
+5V
+1.8V
+3V
VC OR E
+RTCBATVCC
+3V
+RTCVCC
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9
AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31
HL10
Z1505
HL3
HL0
HL1
HLCOMP
HL5
HL4
HL2
HL9
HL8
HL7
HL6
Z1503
Z1504
HL[0..10]
INIT#
C/BE2#
C/BE1#
C/BE0#
C/BE3#
LAD0
LAD1
LAD2
LAD3
LFRAME#
LAD0
LAD1
LAD2
LAD3
LFRAME#
Z1540
Z1539
Z1538
Z1532
Z1533
Z1534
Z1535Z1527
Z1530
Z1531
Z1524
Z1526
Z1525
Z1536
Z1537
FWHINIT#
Z1514
Z1515
Z1513
Z1516
Z1517
Z1518
Z1506
ICH2PCLK
Z1502PME#
Z1501
ICH2PCLK
Z1546
Z1529
ICH2RTX2
Z1509
Z1510
Z1511
Z1512
Z1549
Z1548
LAD[0..3]
FWHINIT#
INIT#
Z1523
Z1521
Z1528
PME#
Z1545
Z1507
Z1542
Z1543
ICH2RTX1
ICH2RTX1
Z1544
Z1541
Z1520 Z1522
Z1547
Z1544
R678 10K
1 2
R679 10K
1 2
R680 *22K1 2
T489
R732
22M
12
R733
2.4M
12
R504 10K1 2
R193 10K1 2
R474 10K1 2
HUB
INTERFACE
PCI INTERFACE
INTERRUPT
INTERFACE
CPU
SMBus
REAL
TIME
CLOCK
OTHER
CLOCK
LPC
U16A
82801BA(ICH2)
AA4 AB4 Y4 W5 W4 Y5 AB3 AA5 AB5 Y3 W6 W3 Y6 Y2 AA6 Y1 V2 AA8 V1 AB8 U4 W9 U3 Y9 U2 AB9 U1 W10 T4 Y10 T3 AA10
AA3
AB6
Y8
AA9
AB7
V3
W8
V4
W1
W2
Y7
AA1 5
AA7
W7
Y1 5
W11
M3
L3
L2
L4
R2
R3
T1
AB1 0
P4
M2
M1
R4
T2
R1
D11
A1 2
R22
A1 1
C12
C11
B11
B12
C10
B13
C13
A1 3
A6
A7
A3
A4
B5
A5
B6
B7
A8
B8
A9
C8
C6
C7
C5
N21
P1
P2
P3
N4
N3
N2
N1
M4
F21
C16
N20
P22
N19
AA1 6
AB1 6
AB1 7
U22
T22
M1 9
P20
D4
N22
T20
AA1 2
T19
U19
V2 0
D7 D8 D9 E6 E7 E8 E9 J10 J11 J12 J13 J14 J9 K1 K10 K11 K12 K13 K14 K9 L10 L11 A1 A10 A2 A21 A22 AA1 AA2 AA21 AA22 AB1 AB2 AB21 AB22 B1 B10 B2 B21 B22 B3 B9
B4
U20
Y1 2
W12
AB1 3
AB1 2
AB1 1
Y1 3
W13
AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AD8 AD9
AD10 AD11 AD12 AD13 AD14 AD15 AD16 AD17 AD18 AD19 AD20 AD21 AD22 AD23 AD24 AD25 AD26 AD27 AD28 AD29 AD30 AD31
C/BE0#
C/BE1#
C/BE2#
C/BE3#
DEVSEL#
FRAME#
IRDY#
TRDY#
STOP#
PAR
PERR#
PCIRST#
PLOCK#
SERR#
PME#
PCICLK
REQA#/GPIO0
REQB#/REQ5#/GPIO1
GNTA#/GPIO16
GNTB#/GNT5#/GPIO17
REQ0#
REQ1#
REQ2#
REQ3#
REQ4#
GNT0#
GNT1#
GNT2#
GNT3#
GNT4#
A20M#
CPUSLP#
FERR#
IGNNE#
INIT#
INTR
NMI
SMI#
STPCLK#
RCIN#
A20GATE
CPUPWRGD
HL_STB
HL_STB#
HLCOMP
HL0
HL1
HL2
HL3
HL4
HL5
HL6
HL7
HL8
HL9
HL10
HL11
SERIRQ
PIRQA#
PIRQB#
PIRQC#
PIRQD#
PIRQE#
PIRQF#/GPIO3
PIRQG#/GPIO4
PIRQH#
IRQ14
IRQ15
APICCLK
APICD0
APICD1
SMBDATA
SMBCLK
SMBALERT#/GPIO11
RTX1
RTX2
CLK14
CLK48
CLK66
SPKR
RTCRST#
FS0
INTRUDER#
SMLINK0
SMLINK1
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
HUBREF
TP0(BATLOW#)
LAD0/FWH0
LAD1/FWH1
LAD2/FWH2
LAD3/FWH3
LFRAME#/FWH4
LDRQ0#
LDRQ1#
R184
10M
12
R470 40.2_1%
1 2
C284 15P1 2
C286 15P1 2
U16D
82801BA(ICH2)
D12
D13
V1 9
K2
M2 0
T21
D10
D2
K19
L19
P5
V9
E5
E14
E15
E16
E17
E18
F18
G18
H18
J18
P18
R18
R5
T5
U5
V5
V6
V7
V8
V_ CP U_ IO 1
V_ CP U_ IO 2
V5 RE F_ SU S
V5 RE F1
V5 RE F2
VBI AS
VCC1_8
VCC1_8
VCC1_8
VCC1_8
VCC1_8
VCC1_8
VCC1_8
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
VCC3_3
VCC3_3
R186
*R
12
R453
*R
12
R187
*R
12
U15
W49V002FAP
25
32
16
26
28
1
27
13
14
15
17
18
19
20
21
23
12
11
10
9
8
7
6
5
4
3
2
22
24
29
31
30
VC C1
VC C2
GND1
GND2
GND3
NC1
NC2
DQ0(FWH0)
DQ1(FWH1)
DQ2(FWH2)
DQ3(FWH3)
DQ4(RSVD)
DQ5(RSVD)
DQ6(RSVD)
DQ7(RSVD)
WE#(FWH4)
A0 (I D0 )
A1 (I D1 )
A2 (I D2 )
A3 (I D3 )
A4(TBL#)
A5 (WP # )
A6 (F GPI 0)
A7 (F GPI 1)
A8 (F GPI 2)
A9 (F GPI 3)
RESET#
RY/BY#
OE#(INIT#)
IC
R/C#(CLK)
A10(FGPI4)
C238
0.1U_X7R
12
C289
*C
12
C726
*C
12
C290
*C
12
T152
T151
R150 *0
1 2
T141
C795
0.1U_X7R
12
C794
0.1U_X7R
12
C239
0.1U_X7R
12
C244 *22P
1 2
T143
T144
T146
R151
10K
12
R139
10K
12
T148
R153 10K1 2
T150
R174 *22K1 2
T153
R181 10K1 2
R555 15K1 2
R591 22K1 2
C898 0.1U_X7R
1 2
R559 1K
1 2
D14 F01J2E
AC
R545 8.2K1 2
R552 8.2K1 2
R496 10K1 2
R180 0
1 2
C885 1U_0805
1 2
C825 0.1U_X7R
1 2
D3 F01J2E
AC
C276 0.1U_X7R
1 2
R491 10K1 2
R528 0
1 2
R152
*R
12
T139
T140
T138
C245
*C
12
T142
C837
0.1U_X7R
12
C731
0.1U_X7R
12
C780
0.1U_X7R
12
C674
0.1U_X7R
12
C758
0.1U_X7R
12
C733
10U/10V
12
C792
0.1U_X7R
12
C210
10U/10V
12
C765
0.1U_X7R
12
C662
0.1U_X7R
12
C781
0.1U_X7R
12
C779
0.1U_X7R
12
C788
0.1U_X7R
12
R566 *10M1 2
C896 0.047U1 2
C791
0.1U_X7R
12
C809
0.1U_X7R
12
C831
0.1U_X7R
12
C838
0.1U_X7R
12
C705
0.1U_X7R
12
C769
0.1U_X7R
12
R138
10K
12
Y3
32.768KHZ
1 2
T277
T279
T278
R492 4.7K
1 2
R471
1K
12
R475
4.7K
12
C775
10U/10V
12
C897 0.1U_X7R1 2
Q37
PUMX1
2
1 6
3
5
4
RN58 8P4RX2.7K
1
2
3
45
6
7
8
AD[0..31][19,21,25]
HL_STB#[5]
HL_STB[5]
HL[0..10][5]
A20M# [4]
CPUSLP# [4]
IGNNE# [4]
INIT# [4]
INTR [4]
SMI# [4]
HSTPCLK# [4]
FERR# [4]
NMI [4]
C/BE0#[19,21,25]
C/BE1#[19,21,25]
C/BE2#[19,21,25]
C/BE3#[19,21,25]
DEVSEL#[16,19,21,25]
FRAME#[16,19,21,25]
TRDY#[16,19,21,25]
IRDY#[16,19,21,25]
SERR#
PAR[19,21,25]
STOP#[16,19,21,25]
PERR#[16,19,21,25]
ICH48CLK
ICH66CLK
LFRAME# [22]
LDRQ0#
SMBCLK [1,7,22]
SMBDATA [1,7,22]
FWHCLK [1]
PD33-66DET
SD33-66DET
REQ0#[16]
REQ1#[16,21]
REQ2#[16,19]
REQ3#[16,25]
REQ4#
GNT1#[21]
GNT2#[19]
GNT3#[25]
SERIRQ [16,19,22,25]
IRQ14
IRQ15
INTA# [25]
INTB# [25]
INTC# [21]
INTD#
ICH2PCLK
PC_BEEP
ICH14CLK [1]
REQA#
REQB#
PLOCK#[16]
LANLINK
CPUPWRGD
KBRST# [22]
A20GATE [22]
LAD[0..3] [22]
PME#[21,22,25]
SYSPCIRST#[5,18,22]
PCIRST#
+1.8V [27,28]
+3V [3,10,11,13,14,26,27,28,31]
+3VSB [14,27]
+RTCVCC [22]
+5VSB [27]
+RTCBATVCC
+HUBREF_A
PULL-DN FOR
FWH INTERFACE
AD22: LAN
AD23: Cardbus
AD24: MiniPCI
INTA#: MiniPCI,Cardbus
INTB#: MiniPCI,Z3,8051
INTC#: LAN, 1394
INTD#: Cardbus, Mobility P6
HLCOMP:
10mils wide, 0.5" trace
PIN3,4=GND
Level Shifting for
INIT# to the FWH
04-05W1R-371
15-00001-1D0
300mA410mA
REQ0#:
REQ1#: LAN
REQ2#: Cardbus
REQ3#: MiniPCI
REQ4#:
300mA
410mA