Clevo M740J Service Manual page 69

Clock Generator
3 . 3 V S C L K _ V D D
. 1 U _ 1 6 V _ 0 4 . 1U _ 1 6V _ 04
C 3 63 C 3 48 C 7 5 6 C 36 1 C 7 5 3
1 0 U _6 . 3 V _ 0 8
. 1 U _ 16 V _ 0 4 . 1 U _ 1 6V _0 4 . 1 U _ 16 V _ 0 4
C L K _ V D D L 4 1 H C B 1 6 08 K F -1 21 T 2 5 -0 6
L 3 9 H C B 1 6 08 K F -1 21 T 2 5 -0 6
C L K _ V D D
Layout note:
PLACE CRYSTAL WIT HIN 500
MILS OF ICS9LPRS4 80
X 3
2 1
C 3 4 3 1 4 . 3 1 8 MH z C 34 7
2 7 P _ 5 0 V _ 0 4 2 7 P _ 5 0V _0 4
7 , 8 , 1 9 S C L K 0
7 , 8 , 1 9 S D A TA 0
C L K _ V D D
R 4 6 7 R 4 6 8
*8 . 2 K _ 0 4
* 8 . 2 K _ 0 4
P C I E _ E X P C A R D _ C L K R E Q#
1 9 , 2 2 P C I E _ E X P C A R D _ C L K R E Q#
W L A N _ C LK R E Q #
22 W L A N _ C L K R E Q#
1 . 2 V S C LK _V D D I O
. 1 U _ 1 6 V _ 0 4
. 1 U _ 1 6 V _ 0 4
C 3 6 2
C 3 7 2
C 3 4 4 C 7 5 5
1 U _ 1 6 V _ 0 6 10 U _ 6. 3V _0 8
Pla ce ne xt to V DD 48
P la c e v e ry
c lose to U1
U 3 0
C 3 5 0 Z 0 2 0 1 4 5 0 C P U _ C L K P _ R
V D D A _ 2 7 C P U K G 0 T _ LP R S
. 1 U _ 1 6 V _ 0 4 7 4 9 C P U _ C L K N _ R
G N D A _ 2 7 C P U K G0 C _ LP R S
Z 0 2 0 2 5 6
V D D R E F
6 0
G N D R E F
C 3 3 9
3 0 N B GF X_ C L K P _ R
A TI G 0 T _ LP R S
. 1 U _ 1 6 V _ 0 4 6 3 2 9 N B GF X_ C L K N _ R
V D D 4 8 A T I G0 C _ LP R S
2 6 2 8 G F X _C L K P _ R
V D D A T I G A TI G 1 T _ LP R S
4 8 2 7 G F X _C L K N _ R
V D D C P U A T I G1 C _ LP R S
5 5
C L K _ V D D
V D D H T T
3 5 6
V D D S B _ S R C S R C 7 T _ L P R S / 2 7 MH z_ S S
1 6 5 Z 0 2 0 7
V D D S R C S R C 7 C _ LP R S / 2 7 M H z _ N S
4 0
V D D S A T A
3 7 N B S L I N K _ C L K P _ R
S B _ S R C 0 T _ LP R S
2 5 3 6 N B S L I N K _ C L K N _ R
C LK _ V D D I O V D D A T I G _I O S B _ S R C 0 C _ LP R S
4 7 3 2 S B S R C _ C L K P _ R
V D D C P U _ I O S B _ S R C 1 T _ LP R S
3 4 3 1 S B S R C _ C L K N _ R
V D D S B _ S R C _ I O S B _ S R C 1 C _ LP R S
1 1
V D D S R C _ I O 1
1 7 2 2 N B GP P _ C L K P _ R
V D D S R C _ I O 2 S R C 0 T _ LP R S
2 1 N B GP P _ C L K N _ R
S R C 0 C _ LP R S
2 0 P C I E _ E X P C A R D _ C L K P _ R
S R C 1 T _ LP R S
1 1 9 P C I E _ E X P C A R D _ C L K N _R
G N D 4 8 S R C 1 C _ LP R S
2 4 1 5 P C I E _ P E 1 _ C LK P _ R
G N D A T I G 1 S R C 2 T _ LP R S
4 6 1 4 P C I E _ P E 1 _ C LK N _ R
G N D C P U S R C 2 C _ LP R S
5 2 1 3 P C I E _ P E 2 _ C LK P _ R
G N D H T T S R C 3 T _ LP R S
4 3 1 2 P C I E _ P E 2 _ C LK N _ R
G N D S A TA S R C 3 C _ LP R S
3 3 9 P C I E _ P E 3 _ C LK P _ R
G N D S B _S R C S R C 4 T _ LP R S
R 47 4 1 0 8 P C I E _ P E 3 _ C LK N _ R
G N D S R C 1 S R C 4 C _ LP R S
1 8
*1 M _ 04 G N D S R C 2
Z 0 2 0 3 6 1 4 2
X 1 S R C 6T / S A T A T _ LP R S
Z 0 2 0 5 R 4 7 5 Z 0 2 0 4 6 2 4 1
X 2 S R C 6 C / S A T A C _ LP R S
*0 _ 0 4 02 _ 5 m i l _ s h o rt
Z 0 2 0 9
2 3 5 4 N B H T R E F _ C LK P _ R
C L K R E Q0 # H T T 0 T/ 6 6 M _ LP R S
P C I E _ E X P C A R D _ C L K R E Q#
4 5 5 3 N B H T R E F _ C LK N _ R
C L K R E Q1 # H T T 0 C / 6 6 M _ LP R S
Z 0 2 1 0 4 4
C L K R E Q2 #
Z 0 2 1 1 3 9 6 4 Z 0 2 0 8
C L K R E Q3 # 4 8 M H z _ 0
W LA N _ C LK R E Q #
3 8
C L K R E Q4 #
R 4 6 9 8 . 2 K _ 0 4 Z 0 2 0 6 5 1 5 9 S E L _ H T 66
C L K _ V D D P D # R E F 0 / S E L _H T T 6 6
C 90 8 5 8 S E L _ S A TA
R E F 1 / S E L _ S A T A
*1 U _ 16 V _ 0 6 2 5 7 S E L _ 2 7 MH z
S MB C L K R E F 2 / S E L _ 2 7
3
S MB D A T
GN D 5
T h erm a l _ GN D 5
G N D 1 GN D 6
T h e rm a l _G N D 1 T h erm a l _ GN D 6
G N D 2 GN D 7
2008/03/18
T h e rm a l _G N D 2 T h erm a l _ GN D 7
G N D 3 GN D 8
T h e rm a l _G N D 3 T h erm a l _ GN D 8
G N D 4 GN D 9
T h e rm a l _G N D 4 T h erm a l _ GN D 9
I C S 9 L P R S 4 8 0
C LK _ V D D
R 47 3
S E L _ H T6 6 * 8 . 2 K _ 04 *8 . 2 K _ 0 4
S E L _ S A T A
S E L _ 2 7 MH z
R 47 2
8 . 2 K _ 0 4 *8 . 2 K _ 0 4
. 1U _ 1 6 V _ 04 . 1 U _ 1 6V _0 4
C 7 5 4 C 3 4 9 C 3 3 6 C 3 2 3 C 3 58 C 3 5 9
. 1 U _ 1 6 V _ 0 4 . 1 U _ 1 6 V _ 0 4 . 1 U _ 16 V _ 0 4
Pla c e w i thi n 0 .5 " of
CLKG EN
R N 4 8 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
CP U_C L K P 5
2 3
CP U_C L K N 5
R N 5 0 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
NB GFX _CLKP 10
2 3 NB GFX _CLKN 1 0
R N 5 2 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
GF X_CLKP 12
2 3
GF X_CLKN 1 2
R 4 7 7 3 3 _ 0 4
E XT _VGA_27 M 13
R N 4 7 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt Clo ck ch ip ha s i nte rn al se ria l te rmi na tion s
SB L I N K _ C LKP 1 0
2 3 SB L I N K _ C LKN 10
for dif fer en cia l p air s, exte rn al r e sis tor s ar e
R N 4 9 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
SB SRC _CLKP 18
re se rve d fo r de bu g pu rp os e .
2 3
SB SRC _CLKN 1 8
R N 5 3 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
P CIE _E XP CAR D_CLK P 22
2 3 P CIE _E XP CAR D_CLK N 22
R N 5 6 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
P CIE _LAN_CLK P 27
2 3
P CIE _LAN_CLK N 27
R N 5 5 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt P CIE _CR _ C LKP 2 5
2 3
P CIE _CR _ C LKN 25
R N 5 4 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
P CIE _WLAN_C L K P 22
2 3 P CIE _WLAN_C L K N 22
R N 5 1 1 4 * 0 _4 P 2R _ 0 4_ 4 m i l _s h o rt
NB HT _CLKP 10
2 3 NB HT _CLKN 10
CLK_48M_USB 1 9
NB _ OS C 10
RS780 1.1 V
R 1 6 3
9 0 . 9 _ 1 % _ 06
* d e f a u l t
1 66 M H z 3 . 3 V s i n gl e e n d e d H T T c l o c k
R 4 7 1 R 1 6 6 S E L _ H T T 6 6
* 0 10 0 M H z d i f f e re n t i a l H T T c l oc k
8 . 2 K _ 0 4 1 1 0 0 MH z n o n -s p re ad i n g d i f f e re n t i a l S A T A c l oc k
S E L _ S A T A
0 * 1 0 0 MH z s p re a d i n g d i f f er en t i a l S R C c l o c k
1 * 2 7 MH z si n g l ed c l o c k
S E L _ 27 M H z
R 4 7 0 R 1 6 4 0 1 0 0 MH z s p re a d i n g d i f f er en t i a l S R C c l o c k
* 8. 2K _0 4
Schematic Diagrams
Sheet 2 of 47
Clock Generator
Clock Generator B - 3