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A
20,37
ICH4 Pullups
RP8H6C
19,35,37
PM_RI#
RP8H7B
18,37
SMB_ALERT#
19,20,22,24,37
RP8H2D
4
18,22..24
PCI_FRAME#
RP8H3C
3
18,22..24
PCI_IRDY#
RP8H2C
3
18,22..24
PCI_TRDY#
4
RP8H2B
2
18,22..24
PCI_STOP#
RP8H2A
1
18,22..24
PCI_SERR#
RP8H3A
1
18,22..24
PCI_DEVSEL#
RP8H3D
4
18,22,23
PCI_PERR#
RP8H3B
2
18,22..24
PCI_LOCK#
RP8H1C
3
18
PCI_REQ0#
RP8G3C
3
18,22
PCI_REQ1#
RP8G2A
1
18,22
PCI_REQ2#
RP8H1B
2
18,23
PCI_REQ3#
RP8H1D
4
18,24
PCI_REQ4#
RP7J1D
4
18,26,37
INT_IRQ14
RP7J1A
1
18,26,37
INT_IRQ15
RP8H1A
1
15,18,23,24
INT_PIRQA#
RP8G3A
1
15,18,23,24
INT_PIRQB#
RP8G3B
2
18,23,24
INT_PIRQC#
RP8G3D
4
18,23,24
INT_PIRQD#
RP7F2A
1
18,22,23
INT_PIRQE#
RP7F2C
3
18,22,23
INT_PIRQF#
RP7F2B
2
18,22,23
INT_PIRQG#
RP7F2D
4
18,22,23,37
INT_PIRQH#
RP7E1A
1
22,23
PCI_REQ64#
RP7E1B
2
22,23
PCI_ACK64#
RP8H7D
4
19,22..24,32,34,37
PM_CLKRUN#
3
19,20
R2J4
18,37
SM_INTRUDER#
5,6,8,9,11,15,16,18,20,23,26,31,33..36,38..40,42,44,48
R8H2
5,19,32,37
PM_THRM#
R8H4
19,25,32,37,39
PM_PWROK
R8J6
19,32,37
PM_RSMRST #
20,37
R8J1
18,22..24,47
SMB_CLK
R8J3
18,22..24,47
SMB_DATA
2
1
A
B
+V3.3ALWAYS_ICH
10K
3
6
10K
2
7
+V3.3S_ICH
8.2K
5
39
8.2K
6
8.2K
6
8.2K
7
8.2K
Place these caps
8
8.2K
8
near U4C2
8.2K
5
8.2K
V5A_COSC
7
8.2K
6
8.2K
6
RUN_SS
8.2K
8
8.2K
7
8.2K
C4C8
C4C9
5
8.2K
47pF
3300pF
5
8.2K
8
8.2K
8
V5A_ITH
8.2K
8
8.2K
7
8.2K
R4C6
5
8.2K
37.4k_1%
8
8.2K
6
8.2K
C4C10
7
8.2K
5
10K
47pF
8
10K
7
10K
5
1
+V_RTC
C4C5
C4C11
100K
330pF
47pF
2
+V3.3S
8.2K
100K
100K
+V3.3ALWAYS_ICH
2.2k
2.2k
R6F20
NO_STUFF_10K
19
ICH_FAB_REV0
19
ICH_FAB_REV1
19
ICH_FAB_REV2
R6F24
10K
ICH_FAB_REV
2
0
0
0
0
1
1
1
1
B
C
+V5
20,22,23,27,36,37,42..44
+V3.3ALWAYS
5,15,19,20,22,23,27..29,32,36..39,44,48
+VDC
R4N3
100K_1%
V5A_PWRGD
R4P1
NO_STUFF_680K
U4C2
V5A_TG
1
16
COSC
TG
V5A_BOOST
2
15
RUN/SS
BOOST
V5A_SW
3
14
ITH
SW
MBR0520LT1
8
13
SGND
VIN
V5A_INTVCC
7
12
VOSENSE
INTVCC
5
11
SENSE-
BG
C4P3
6
10
SENSE+
PGND
1UF
LTC1735-1
V5A_SENSE+
C4C7
V5A_SENSE-
1000PF
V5A_VOSENSE
FAB REVISION
19,20,22,24,37
+V3.3S_ICH
R6F19
R7F8
No_Stuff_10K
10K
R6F23
R7F5
10K
NO_STUFF_10K
FAB ID Strapping Table
BOARD FAB
1
0
0
0
1
0
1
2
1
0
3
1
1
4
0
0
5
0
1
6
1
0
7
1
1
8
C
D
16,39,40,44
8
7
Q4C1A
Si4966DY
2
C4C3
1
2
1
L4B1
0.47uF
1
4.7uH
CR4C1
6
5
Q4C1B
Si4966DY
CR4B1
V5A_BG
B320A
4
C4C6
C4P1
3
10UF
0.1UF
+VDC
+V5
20,22,23,27,36,37,42..44
C4C2
C4P2
C4B6
100pF
0.1UF
10%
22UF
Please place
Please place
C4P2 near
C3542 and
U4C2 Pin 9
C3544 near
U55A.
R4C7
GND_V5A
0
Title
ICH4-M Pullups and Testpoints
Size
Project:
A
Intel 852GM CRB
D
E
+V5_ALWAYS Generation
Vout=0.8(1+Rtop/Rbot)
Vout=0.8(1+(3.92k/750))= 4.98V
4
IMAX OUT = 50mV / 10mohms = 5A
+V5_ALWAYS
20,28,29
R4C1
2
1
2
0.01_1%
R4C4
R4C5
3
10_1%
10_1%
R4C3
3.92k_1%
1
R4C2
750_1%
2
16,39,40,44
+V5_ALWAYS
20,28,29
2
C4C4
C4C1
150UF
0.1UF
Please place
C4C7 and
C4P6 near
R4C2
1
Document Number
Rev
A#
21
of
59
E
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