Service manual

Schematic Diagrams
B - 6
Schematic Diags
CLK409
Sheet 5 of 39
CLK409
VCC3S
VCC3_CLK
VCC3S
VCC3_CLK
VCC3_CLK
VCORE
VCC3_CLKA
VR_PWRGD_CK409#
CLK_ICHPCI
PCLK_LAN
PCLK_RAID
PCLK_LPC
CLK48_USB
MINIPCICLK
PCLK_H8
PCLK_80P
CLK48_IO
CPUCLK
CPUCLK_2#
CPUCLK_2
CPUCLK_0#
CPUCLK_1
CPUCLK_1#
CPUCLK_0
CPUCLK#
14.3M_ICH5
PCLK_RAID
PCLK_LAN
CLK_ICHPCI
CLK66_ICH_HUB
CPU66IN_MCH
PCLK_CARDBUS
PCLK_H8
CLK48_USB
CLK48_IO
PCLK_LPC
PCLK_80P
14.3M_AUDIO
ITPCLK#
ITPCLK
MCHCLK
MCHCLK#
VR_PWRGD_CK409#
VCC3_CLK
PCLK_1394
MINIPCICLK
SATACLK
SATACLK#
PCLK_1394
PCLK_CARDBUS
G_66M_ATI_M10
R458 33
C639
0.1U
C161
0.1U
R124
49.9_1%
R496 33
C141
1U(0805)
R477 10K
R466 33
R143 33
R460 33
T313
C176 10P1 2
C137
0.1U
R422 2K_1%
R146
475_1%
R464 33(R)
R125
49.9_1%
C638
10U(0805)
12
R492 33
R487 33
R424
2.49K_1%
C172 10P1 2
Q4
2N3904
B
E
C
C680
18P
12
R429
33_1%
C682
0.01U
C162
0.1U
R428
33_1%
C169 10P1 2
C144
0.1U
R431
49.9_1%
R421
1K
C129 10P1 2
C170 10P1 2
C174 10P1 2
C660
10U(0805)
12
R485 33
C661
0.1U
R484 22
R493 33
C160
4.7U(1206)
12
R463 33
R461 33
R489 33
C142
1U(0805)
R479
1M(R)
C136
0.1U
C164
0.1U
C640
0.1U
R154 33
R137
0(R)
R488 33
R494 33
U20
CY48209/ICS952605
6
11
17
25
33
39
45
53
54
42
50
3
10
16
24
36
55
35
29
37
44
2
12
13
14
15
18
19
20
51
56
7
30
31
32
21
22
23
26
27
49
52 47
43
40
46
38
48
41
9
28
4
8
1
5
34
GND
GND
GND
GND
GND
GND
GND
GND
GND
VDDCPU
CPU_STOP#
VDDREF
VDDPCI
VDDPCI
VDD3V66
VDDSRC
VDDA
VTT_PWRGD#
3V66_4/VCH_CLK
SRCCLKC
CPUCLK_1
REF1
PCICLK0/Reset_EN
PCICLK1
PCICLK2
PCICLK3
PCICLK4
PCICLK5
PCICLK6
FS_A
FS_B
PCICLK_FS2
SDATA
24_48MHz/SEL24_48#
48MHz_0/FS3
PD#
3V66_0/Reset#
3V66_1
3V66_2
3V66_3
PCI_STOP#
IREF CPUCLK_2
CPUCLK_1#
CPUCLK_0#
CPUCLK_2#
SRCCLKT
VDDCPU
CPUCLK_0
PCICLK_F2
SCLK
X1
PCICLK_FS4
REF0
X2
VDD48
L60 BK2125HS601
T321
R467 33
R495 33
C651
18P
12
C163
0.1U
C168 10P1 2
R425 2K_1%
R121
1K
C130 10P1 2
C173 10P1 2
C143
0.01U
R426
33_1%
L18 BK2125HS601
R427
33_1%
C175 10P1 2
Y3
14.318MHz
1 2
R423
2.49K_1%
C700 10P(R)1 2
R138
10K
C135
0.1U
R459 33
R490 33
R486 33
C171 10P1 2
R491 33C681
10U(0805)
12
R462 33
R430
49.9_1%
C652
2.2U(0805)
12
R465 33(R)
CPUCLK# [3]
CPUCLK [3]
ITPCLK [3]
ITPCLK# [3]
MCHCLK [6]
MCHCLK# [6]
14.3M_ICH5 [18]
CLK_ICHPCI [18]
PCLK_LAN [31]
G_66M_ATI_M10 [11]
CLK66_ICH_HUB [19]
CPU66IN_MCH [6]
PCLK_1394 [30]
PCLK_CARDBUS [29]
PCLK_H8 [28]
CLK48_USB [19]
PCLK_LPC [25]
PCLK_80P [27]
SMB_ICHDATA[9,18,31]
SMB_ICHCLK[9,18,31]
BSEL0[6]
BSEL1[6]
FSA[3]
FSB[3]
PCLK_RAID [21]
MINIPCICLK [27]
VCC3S [2,9,10,11,12,16,17,18,19,20,23,25,26,27,28,31,32,37]
14.3M_AUDIO [23]
CLK48_IO [25]
SATACLK# [18]
SATACLK [18]
VCORE [2,3,4,18,19,33]
CLOSED CK-409
FSB FSA FUNCTION
0
0
0
0
1
1
11
CAP should be placed near CK-409
100 MHz HOST CLK
133 MHz HOST CLK
200 MHz HOST CLK
166 MHz HOST CLK