Service manual

114
8258I N/B Maintenance
8258I N/B Maintenance
J511
Wireless
Connector
J8
New Card
Connector
R70 10K
R686
10K
MCH_BSEL0
MCH_BSEL1
MCH_BSEL2
****** System Clock Check ******
8.2 No Display-2
57
58
X501
14.318MHz
C551
56P
1
2
CLK_GEN-
CLK_GEN+
C552
56P
U505
Clock
Generator
ICS9LPR310
P9
R571 22
R572 22
48
49
HCLK_MCH#
HCLK_MCH
R591 22
R592 22
15
14
DREFCLK#
DREFCLK
P5
U506
North Bridge
Intel 945GM
62
63
STOP_PCI#
STOP_CPU#
8
PCICLK_ICH
33R593
R583 27.4
R584 27.4
26
25
CLK_SATA#
CLK_SATA
CLK_ICH#
27
22R585
R574 33
60
14M_ICH
R51 22
12
CLK_USB48
24
CLK_ICH
22R586
U514
LAN
Controller
P15
64
4
5
54 SMBCLK
SMB_CLK
R675
2.2K
R126
2.2K
+VDD3S
55 SMBDATA
SMB_DATA
R672 0
R587 22
R588 22
20
19
HCLK_MCH_3G#
HCLK_MCH_3G
R589 22
R590 22
18
17
DREFSSCLK#
DREFSSCLK
HCLK_MCH_OE#
34
R542 1K
R545 1K
R539 1K
R573 2.2K
R52 2.2K
12
60
61
U503
CPU
Yonah
P3
R44 22
HCLK_CPU#
HCLK_CPU
R43 22 51
52
R575 2.2K
FS_A
FS_B
FS_C
CPU_BSEL0
CPU_BSEL1
CPU_BSEL2
R544 1K
R547 1K
R540 1K
+VCCP
R166 0
R576 0
R578 0
CORE_CLKEN#
10
R679 0
CORE_CLKEN
+3VS
U515
South Bridge
ICH7-M
P12
P11
Q530
2N7002
P14
23
22
32
38
39
16
PCIECLK_NCARD#
PCIECLK_NCARD
NEWCARDCLKREQ#
MINIPCIECLK1#
MINIPCIECLK1
MINIPCIECLKREQ1#
R49 22
R50 22
R679 0
R569 22
R679 0
18
19
16
11
13
7
+3VS
R661 10K
+3VS
P17
PR510 0
PCICLK_DBC_R
51
PCICLK_DBC
51
31
28
PCICLK_KBC
3
PCICLK_FWH
PCICLK_LAN
R594 33
R595 33
R56 33
R580 33
U513
KBC
P18
U6
FWH
P19
R567 0
R565 0
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