Service manual
61
71-51S00-D02
A
CLOCK GENERATOR
Custom
11
29
Monday, Septem ber 18, 2000
Title
Size Document Number Rev
Date: Sheet
of
´¯ ⁄ „q ‚£ CLEVO C O.
V2.5
VCC3
VCC3
VCC3
VCC3
VCC3
CLKV CC2.5
CLKVCC
CLKVCC
VCC3
V2.5
VCC3
VCC3 VCC3
V2.5
HC LKCP U 1
630CLK 3
FS0
FS3
83626CLK-14 16
VOSCI 6
SDA_ATFF 15,23
SCL_ATFF 15,23
MEMCLK3 5
MEMCLK4 5
MEMCLK1 5
MEMCLK2 5
MD D 413,4
MD D 423,4
MD D 433,4
MD D 443,4
FS0
FS2
FS1
BS EL11
FS1
FS0
FS3
USBCLK 12
FS2
630SDCLK 3
PCLKTI 14
AGP_CLK 6
83626CLK 16
869_PCLK 17
PICCLK 1
630PCLK 9
80PORT_CLK 23
CP U_ST P# 1,12,20
VR_ON 24,27
CLKVCC2.5
66MHz-1
66MHz-2
14-1
SCL_ATFF
SDA_ATFF
MEMCLK-3
Z126
Z120
Z123
Z124
Z119
VOSCI
CLKVCC
USBCLK
MEMCLK2
MEMCLK4
MEMCLK3
14XIN-1
MDD41
MDD42
MDD44
MDD43
FS0
FS0
BS EL1
Z117
Z118
Z115
Z116
FS3
FS0
83626CLK-14
630SDCLK-1 630SDCLK
MOD E
HCLKCPU
630CLK
FS1
PCI-3
FS1
PCI-5
FS2
FS2
PCI-6
PCI-4
PCLKT I
AGP_CLK
PICCLK
630PCLK
83626CLK
80PORT_CLK
869_PCLK
PCI-2
Z128
CP U_ST P#
MEMCLK1
FS3
MEMCLK-4
MEMCLK-2
MEMCLK-1
Z127
Z687
VRIOSE T
14XIN-2
Z122
Z121
R415 0
C683
1000P
T
T
T
T
T
T
T
R480 22
R477 22
R455 22
R430 22
C686
1000P
R431 22
R432 22
R98 22
R478 22
R453 22
R456 33
R457 33
R458 33
C110
.001U
C443
.001U
C441
.1U
C107
.1U
C436
.001U
C109
.1U
C103
.1U
C438
.001U
L23
BK2125HS330
Y2
14.318M_E
R94
1M
C442
10U
C118
.1U
C126
.1U
C106
10U
C135
.001U
C127
.001U
C437
.1U
C136 22P
C125
.1U
C439
.001U
C104 22P
C119
.001U
L27
BK2125HS330
R520 4.7K (R)
R521 4.7K (R)
R519 4.7K (R)
R518 4.7K (R)
R411 2.7K(R)
R400 10K (R)
R402 2.7K
R401 2.7K
T
R414 2.7K
R403 2.7K
S3
HCH_ DIP SW _4
1
2
8
7
3
4 5
6
R93 0
R412 10K
R398 10K
R413 10K
R454 22
R99 10K
R479 33
R434 33
U22
ICS9248-135
1
15
19
27
30
36
42
6
3
16
22
33
39
44
10
47
4
5
45
43
46
7
8
9
11
12
13
14
2
25
26
40
41
28
29
31
32
34
35
37
38
24
23
48
18
17
21
20
VDDREF
VDD
VDD
VDD
VDD
VDD
VDD
VD DPCI
GNDREF
GN D
GN D
GN D
GN D
GN DL
GNDP CI
VD DLCP U
X1
X2
CPUCLK1
CPUCLK2
CPUCLK_F
FS1/PCIC LK_F
FS2 /PC IC LK1
PCICLK2
PCICLK3
PCICLK4
PCICLK5
PCICLK6
FS 3/R EF0
CPU2.5_3.3#/24_48MHz
FS0/48MHz
SDRAM_F0
SDRAM_F1
SDRAM0
SDRAM1
SDRAM2
SDRAM3
SDRAM4
SDRAM5
SDRAM6
SDRAM7
SCLK
SDATA
REF1
PD#
SDRAM_STOP#
PCI_STOP#
CPU _ST OP#
C414
10P
C413
10P
C411
10P
C426
10P
C424
10P
C412
10P
C451
.1U
R508 100K
C454
.1U
C450
.1U
R433 33
R399 10K
C396
10P
C409
10P
C394
10P
C395
10P
C410
10P
C397
10P
C398
10P
C382
10P
C427
10P
C425
10P
R507
10K_1%(0805)
U18
MIC5209BM
1
2
3
45
6
7
8
EN
IN
OU T
ADJGN D
GN D
GN D
GN D
C101
4.7U
R497
10.2K_1%
R685
10K
R686
10K
C108
470P
C440
470P
C684
1000P
C685
1000P
R735
10K
R88 33
C680 1000P
C681 1000P
C679 1000P
C682 1000P
' ƒ‡„s ¥ a“æCLOCK GENERATOR IC
CPU Frequency Ratio Select
1/2
1/3
1/4
1/5
2/5
2/7
2/9
2/11
1/6
1/7
1/8
Res erved
2/13
2/15
2/3
1/2
0000
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
MD D 44 MD D 43 MD D 42 MD D4 1
(NMI) (INTR) (A20M#) (IGNNE#)
0 = Non-ST UFF
1 = ST UFF
(MH z)
SiS630S CLOCK
PCI
1
(MH z)
NOTE:
33.33
REFCP U
100
(MH z)
1
14.318
1 14.318133
0100
SW2-2
SDRAM
00
SW2-3
0 = OFF
(MH z)
(F S 2 )
1
1 = ON
100
133
133.33133
PCICLK<37.5MHz
(F S 3 ) (FS 0 )
0
14.318
1 33.33
0
(F S 1 )
0
SW2-1SW2-4
FOR EMI FOR EMI FOR EMI FOR EMI
CLEVO CO.