MSI MS-6557 Schematics
8
7
6
5
4
3
2
1
CLOCK GENERATOR BLOCK
CP67 X_COPPER
FB16 X_80L-0805
VCC3
C465
0.1u-0603
D D
* Put GND copper under Clock Gen.
connect to every GND pin
* 40 mils Trace on Layer 4
with GND copper around
* put close to every power pin
it
filtering from 10K~1M
C466
10u-1206
CLK_VCC3
0.1u-0603
Trace Width 7mils.
*
Same Group spacing 15mils
Different Group spacing 30mils
*
Differentical mode spacing 7mils on itself
*
*
C C
VCC3
VCCP
VCC3
SKTOCC#(4)
CP68 X_COPPER
FB17 X_80L-0805
VCC3
C470
0.1u-0603
for good filtering from 10K~1M
CP86 X_COPPER
R827
VCC3
R843 10K-0603
R845
10K-0603
R846
10K-0603
X_10-0603
C475
10u-0805
Q33
2N3904S
C471
10u-1206
VCC3VA
CLK_VCC3
VDDA3V
R1258
1K-0603
Q34
2N3904S
C467
C468
0.1u-0603
C469
0.1u-0603
C472
0.1u-0603
C473
0.1u-0603
C474
0.01u-0603
C476
0.01u-0603
C480
0.01u-0603
U34
50
VDDCPU
46
VDDCPU
47
GND
19
VDD3V66
20
GND
32
VDD3V66
31
GND
8
VDDPCI
9
GND
14
VDDPCI
15
GND
1
VDDREF
4
GND
37
VDD48
36
GND
26
VDDA
27
GND
53
CPU_STP#
34
PCI_STP#
25
PD#
28
VTT_PWRGD#
CPUCLK0
CPUCLK0#
CPUCLK1
CPUCLK1#
CPUCLK2
CPUCLK2#
3V66_0
3V66_1
3V66_2
3V66_3
3V66_4
3V66_5
PCICLK_F0
PCICLK_F1
PCICLK_F2
PCICLK0
PCICLK1
PCICLK2
PCICLK3
PCICLK4
PCICLK5
PCICLK6
REF
48MHz_USB
48MHz_DOT
IREF
GND
MULTSEL0
FS0
FS1
FS2
SCLK
SDATA
52
51
49
48
45
44
33
35
21
22
23
24
5
6
7
10
11
12
13
16
17
18
56
2
X1
3
X2
39
38
42
41
43
54
55
40
30
29
*Trace < 0.5"
R808 27.4RST
R810 27.4RST
CPU1
R814 27.4RST
CPU1#
R815 27.4RST
R1386 27.4RST
R1388 27.4RST
3V66_0
R819 33-0603
3V66_1 ICH_66
R820 33-0603
RN135
7 8
33-8P4R
5 6
3 4
1 2
RN76
7 8
33-8P4R
5 6
3 4
1 2
R826 33-0603
CLK_X1
X1 14M-32pf-HC49S-D
CLK_X2
R829 33-0603
R831 33-0603
IREF
Iref = 2.32mA
R809 X_1K-0603
R812 10K-0603
R807 1K-0603
FS1
R811 1K-0603
SMBCLK_ISO
SMBDATA_ISO
ICS950201AF
MULTSEL0=0 -> 4X Iref
MULTSEL0=1 -> 6X Iref
32pF
R840 475RST
SMBCLK_ISO (19,24)
SMBDATA_ISO (19,24)
C478 22p-0603
C481 22p-0603
MCH_66
LAN_PCLK
PCICLK1
PCICLK2
POV_CLK
FWH_PCLK
ICH_PCLK
SIO_PCLK
ICH_48
DOT_CLK
VDDA3V
CPUCLK0CPU0
CPUCLK-0CPU0#
MCHCLK
MCHCLK#
ITPCLK
ITPCLK#
REF_14
CPUCLK0 (4)
CPUCLK-0 (4)
MCHCLK (6)
MCHCLK# (6)
ITPCLK (4)
ITPCLK# (4)
MCH_66 (6)
ICH_66 (12)
LAN_PCLK (25)
PCICLK1 (15)
PCICLK2 (15)
POV_CLK (19)
FWH_PCLK (15)
ICH_PCLK (11)
SIO_PCLK (17)
ICH_48 (12)
DOT_CLK (6)
CLOCK STRAPPING RESISTORS
FS1 VDDA3V
R813 1.5K-0603
BSEL0 (4,6)
REF_14
VCC3
C642
0.01u-0603
ZD_CLK1
ZD_CLK3
ZD_CLK4
FS2 FS1 FS0
0 0 1
0 1 1
SMBCLK_ISO
SMBDATA_ISO
REF_14
C671 10p-0603
R1182 33-0603
R837 33-0603
R1259 33-0603
R1358 X_33-0603
R1359 X_33-0603
R1374 X_33-0603
CPU (MHz)
100 MHz
133 MHz
R839 4.7K-0603
R841 4.7K-0603
U35
1
REF
6
CLK1
VDD
CLK2
CLK3
4
CLK4
GND
8
CLKOUT
CY2305SC-1H
I12-23S0502-C23
3
2
5
7
ADO_14M
ICH_14
SIO_14
ICH_14
SIO_14
ADO_14M
ZD_CLK1
ZD_CLK2
ZD_CLK3
ZD_CLK4
ADO_14M (20)
ICH_14 (12)
SIO_14 (17)
VCC3
Trace less 0.2"
49.9ohm for 50ohm M/B impedance
CPUCLK0
CPUCLK-0
MCHCLK
MCHCLK#
ITPCLK
ITPCLK#
CPUCLK0
CPUCLK-0
MCHCLK
MCHCLK#
POV_CLK
PCICLK2
PCICLK1
LAN_PCLK
SIO_PCLK
ICH_PCLK
FWH_PCLK
MCH_66
ICH_66
ICH_48
SIO_14
ICH_14
DOT_CLK
ADO_14M
R187
R186
R189
R188
R1385
R1387
CN4
CN3 X_10p-8P4C
49.9RST
49.9RST
49.9RST
49.9RST
49.9RST
49.9RST
C185 X_10p-0603
C186 X_10p-0603
C103 X_10p-0603
C102 X_10p-0603
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
C580 X_10p-0603
C581 X_10p-0603
C479 X_10p-0603
C482 X_10p-0603
C485 X_10p-0603
C486 X_10p-0603
C627 X_10p-0603
X_10p-8P4C
used only for EMI issue
Trace less 0.2"
B B
HDRST#(24)
PD_DREQ(12)
PD_IOW#(12)
PD_IOR#(12)
PD_IORDY(12)
PD_DACK#(12) SD_DACK#(12)
PD_CS#1(12)
A A
8
HDRST#
PDD7
PDD6
PDD5
PDD4
PDD3
PDD2
PDD1
PDD0
IRQ14(11) IRQ15(11)
PD_A1(12)
PD_A0(12)
R851
4.7K-0603
PRIMARY IDE BLOCK SECONDARY IDE BLOCK
IDE1
R847 33-0603
C487
X_220p-0603
PDD[0..15] (12)
SDD[0..15] (12)
CN-BH-D2x20-1:21-BL-ZBT-S1
1
3 4
5 6
7 8
91110
13 14
17 18
19
21
23
25
27
29
31
33
35
37
R852
10K-0603
7
2
12
1615
22
24
26
28
30
32
34
36
38
4039
PDD8
PDD9
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15
C488
4700p-0603
PD_DET (11) SD_DET (11)
PD_A2 (12)
R849
10K-0603
6
ATA100 IDE CONNECTORS
* Trace Width : 5mils
* Trace Spacing : 7mils
* Length(longest)-Length(shortest)<0.5"
* Trace Length less than 6"
5
4
IDE2
R848 33-0603
HDRST#
SDD7
SDD6
SDD5
SDD4
SDD3
SDD2
SDD1
SDD0
SD_DREQ(12)
SD_IOW#(12)
SD_IOR#(12)
SD_IORDY(12)
SD_A1(12)
SD_A0(12)
SD_CS#1(12)PD_CS#3 (12) SD_CS#3 (12)
SD_LED(27)PD_LED(27)
R853
4.7K-0603
C489
X_220p-0603
3
D2x20-1:21-WH-SBT
1
2
12
1615
22
24
26
28
30
32
34
36
38
4039
SDD8
SDD9
SDD10
SDD11
SDD12
SDD13
SDD14
SDD15
R850
C490
10K-0603
4700p-0603
MAIN CLOCK GEN / IDE
MS-6557
2
SD_A2 (12)
3 4
5 6
7 8
91110
13 14
17 18
19
21
23
25
27
29
31
33
35
37
R854
10K-0603
VCC3VCC5 VCC5VCC3
MICRO-STAR INT'L CO.,LTD.
Title
Size Document Number Rev
Custom
Date: Sheet
334Friday, November 29, 2002
1
2.1A
of
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