User Guide
Schematic Diagrams
Clock Generator (71-L27T0-002) B - 5
B.Schematic Diagrams
Clock Generator
Sheet 4 of 29
Clock Generator
Z0414
R320 2K_1%
+3V
R379 33_1%
0
Z0431
200.00
CT57
10u/10V_1206
Z0426
R894 1.5K
R355
49.9_1%
+3V
CLK100 14
0
Z0429
C223
18p
PCI
+
CT56
10u/10V_1206
Z0430
Z0427
R364
49.9_1%
FWHPCLK 21
CPU
CP3
10p
R382 33_1%
AGP
66.67
R99
475_1%
ALC650 24
+5V 11..14,16,17,19,21..29
PCLK 17
0
V2.0
Z0413
CLKBSEL0
R381 33_1%
TZ0404
MBID2 22
CA227
0.1u_X7R
R368
49.9_1%
+3V 3,5,6,11..17,19..24,26..29
R391 33_1%
R321 2K_1%
(MHz)
Z0424
+3V
1
Z0412
CP38
10p
CA225
0.1u_X7R
66.67 33.33
MBID2
1
TZ0403
R347 33_1%
R365 33_1%
CP32
10p
FOR L297P
L44
FCM2012K-121T 0805
ICH-14M 14
+3V
Z0416
R457
0_R
R402 1_1%
R371 33_1%
SRC
Z0409
R390 10K
0
0
CLK100
R351
1K_1%
CP9
10p
CA221
0.1u_X7R
V3.0
CA79
0.1u_X7R
R356 10K
R362 33_1%
CP39
10p
BSEL06
R373 33_1%
1
R459 10K
Z0418
ITPCLK# 3
Iref=2.32mA
CP29
10p
R392 33_1%_R
0
MCHCLK# 6
ITPCLK 3
CLKBSEL1
R456
0
Q33
2N3904
B
E C
U22
ICS952618
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
CPUCLKT1
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
CPUCLKT2
CPUCLKC1
CPUCLKC0
CPUCLKC2
SRCCLKT
VDDCPU
CPUCLKT0
PCICLK_F2
SCLK
X1
PCICLK_FS4
REF0
X2
VDD48
FSBSEL13
100/200
(MHz)
CA224
0.1u_X7R
R350 33_1%_R
FREQUENCY SETUP TABLE
CP25
33p
100.00
0
R372
49.9_1%
MBID1
+3V
Z0403
ICHPCLK 15
VTT_PWRGD#
R458 10K_R
SIO-48M 22
(FS3)
R384 33_1%
0
0
R380
49.9_1%
(FS2)
0
0
Z0415 R369 33_1%
FOR L297P
VTT_PWRGD#
R313
2.49K_1%
CT58
10u/10V_1206
(MHz)
ID1
100/200
Z0407
BSEL16
(FSB)
CA86
0.1u_X7R
R377
49.9_1%
R360 33_1%
R349 33_1%_R
SMBDATA10,14,16,20,22
1 = HI , 0 = LOW
MINI-PCLK 19
1
CLKBSEL1
CP36
10p
0
Z0419
Z0402
R895 4.7K
CLK100# 14
100/200
Z0405
Z0410
SIOPCLK 22
33.33
CP35
10p
R383 33_1%
Z0406
Z0417
C78
0.01u
+3V
L45 FCM2012K-121T 0805
CLKBSEL0
Y2
14.318MHz
12
R376 33_1%
ICH66CLK 14
1
V4.0
Z0425
R403
220
CP27
10p
CA77
0.1u_X7R
R395 10K CLK100
Z0432
Q74
2N7002
D
G
S
CA83
0.1u_X7R
+3V
R359 10K
+5V
R393 10K
Q73
2N7002
D
G
S
R363 33_1%
R367 33_1%
R358
49.9_1%
R105
10_1%_R
CPUCLK 3
ID4
0
V_CORE 2,6,14,22,27
(FS4)
Z0421
Z0420
R375 1K
Z0401
CP11
10p
CP10
10p_R
MCH66CLK 7
DREFCLK 7
Z0422
TZ0402
C224
18p
0
Z0433
CH7017A-CLK 11
LANPCLK 20
V1.0
ID2
1
CLK100#
R361
49.9_1%
133.33
0
R603 33_1%
R357 33_1%
66.67
(MHz)
TZ0401
R353
1K_1%
V_CORE
R312
2.49K_1%
CP37
10p
CP22
10p
MCHCLK 6
ID3
SMBCLK10,14,16,20,22
R354 33_1%
FSBSEL03
0
Z0404
R378 33_1%
(FSA)
Z0408
CLK100#
CPUCLK# 3
FOR L297T
MBID1 22
33.33
Z0423
R352
0_R
Z0411
ICH-48M 14
0