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MS-6397 VER:0A
CPU: AMD Socket-462 Processor CONTENT PAGE CONTENT PAGE
Cover Page 1 Voltage Regulator 32,33
Chipset: SiS 733 Block Diagram 2 ATX Connector 34


LPC I/O: W83697HF
Clock Generator 3 Front Pannel 35
Clock Buffer 4 Decoupling Capacitors 36


AC'97 CODEC:Realtek ALC100P
AMD Socket A 5,6,7 MS-3 & D-LED 37
SiS 733 Host / AGP 8 Manual Part 38

Expansion: SiS 733 Memory 9 GPIO Spec. 39
SiS 733 PCI / IDE 10
1.AGP Slot * 1 SiS 733 Misc. Signal 11

2.PCI Slot * 5 SiS 733 Power 12


3.CNR Slot * 1
Hardware Strap 13
System Memory 14,15
PCI Connector 16,17,18
A A



AGP Slot 19
IDE Connector 20
USB Connector 21
KB/MS Connector 22
AC'97 CODEC 23
Audio Connector 24
AMR Slot 25
LPC I/O W83697HF 26
Hardware Monitor 27
Parallel Port 28
Serial Port 29
Flash Memory 30
PWM CS5322 31


Micro Star Restricted Secret
Title Rev
Cover Sheet
Document Number 0A
MS-6397
MICRO-STAR INT'L Last Revision Date:
CO.,LTD. , 15, 2001
No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan Sheet
http://www.msi.com.tw 1 of 39
1
1




MS-6397 Block Diagram

VRM 9.0 K7 462-Pin Socket Processor Clock




ADDR(In-Out)




PWR-MNG




DATA




INT & PWR-MNG
AGP 2X/4X




3 DIMM
Modules
PC-133
UltraDMA
IDE Primary 33/66/100 PCI 2.2
IDE Secondary
SIS733
USB Port 1




PCI Conn 1


PCI Conn 2


PCI Conn 3


PCI Conn 4


PCI Conn 5
USB PCI CNTRL
A A



USB Port 2
PCI ADDR/DATA
USB Port 3

USB Port 4




AC'97 Link
Onboard
AC'97 Codec
LPC




CNR
WINBOND

W83627HF

Floopy Parallel

Serial
Micro Star Restricted Secret
Title Rev
Block Diagram
Document Number 0A
MS-6397
MICRO-STAR INT'L Last Revision Date:
CO.,LTD. , 15, 2001
No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan Sheet
http://www.msi.com.tw 2 of 39

1
Bus
ISA
8 7 6 5 4 3 2 1
CP1


X_COPPER
U7
VCC3_3 L18

1 2 1 VDDREF
11 44 R126 10 CPUCLK 733CCLK C195 10P
VDDPCI CPUCLK0 CPUCLK 5
17 43 R127 10 CPUCLK#
VDDAGP CPUCLK#0 CPUCLK# 5
C259 X_80S_0805 C? C209 C220 C245 C263 C208 C207 21 40 R128 22 733CCLK CPUCLK C192 X_10P
VDD48M CPUCLK1 733CCLK 8
D 104P 4.7U_0805 104P 104P 104P 104P 104P 104P 36
25
VDDSDRAM CPUCLK# C193 X_10P
D
VDDCORE R120 10 APICCLK0
APICCLK 47 APICCLK0 5,7,11
733PCLK C249 10P

32 35 R129 22 733DCLK
CPUSTP# SDRAMCLK 733DCLK 9
30 CN19
SDRAMSTOP# PCICLK2
29 AGPSTOP# 1 2
33 18 R169 22 733ACLK PCICLK3 3 4
PCISTP# AGPCLK0 733ACLK 8
31 19 R170 22 AGPCLK1 PCICLK4 5 6
PD# AGPCLK1 AGPCLK1 19
RN56 PCICLK5 7 8
1 2
4 9 FS2 3 4 X_8P4C-10P
VSSREF FS2/PCICLK_F FS3 SIOPCLK
5 VSSOSC FS3/PCICLK1 10 5 6 SIOPCLK 26
8 12 7 8 733PCLK CN18
VSSPCI PCICLK2 733PCLK 10
14 13 8P4R-33 PCICLK1 1 2
VSSPCI PCICLK3
CP2 20 15 3 4
VSSAGP PCICLK4 R168 33 PCICLK1 SIOPCLK
24 VSS48M PCICLK5 16 PCICLK1 16 5 6
34 VSSSDRAM 7 8
X_COPPER 26 RN57
VSSCORE FS0 PCICLK2
2 1 2 PCICLK2 17 X_8P4C-10P
VCCA_PLL FS0/REF0 FS1 PCICLK3
L17 3 3 4 PCICLK3 17
FS1/REF1 PCICLK4 OSCI C264 10P
5 6 PCICLK4 18
1 2 45 7 8 PCICLK5
VDDCPU PCICLK5 18
41 22 8P4R-10 UCLK48M C252 10P
VDDCPU 48MHZ AGPSEL R175 33 OSCI
48 VDDAPIC AGPSEL/24_48MHZ 23 OSCI 11
C211 X_80S_0805 C204 C205 C206 R176 33 OSCI1 SIO48M C260 10P
104P OSCI1 37
104P 104P 104P
42 733DCLK C197 10P
VSSCPU
C 39
46
VSSCPU SCLK 27
28 R171 22
UCLK48M 11
AGPCLK1 C251 10P C
VSSAPIC SDATA R177 22
C244 SIO48M 26
733ACLK C250 10P
R131 100
SCLK 4,11,14,15,25,37
6 37 R130 100 OSCI1 C265 10P
XIN RSVD SDATA 4,11,14,15,25,37
10P 38
Y2 RSVD

C203 14.318MHz
7 XOUT
10P

ICS9248-199




VCC3_3
RN59
FS3 1 2
FS2 3 4
FS1 5 6
FS0 7 8

8P4R-10K
B B
AGPSEL R172 10K




SIS733 CLOCK AGPCLK
(MHz)
(FS3) (FS2) (FS1) (FS0) CPU SDRAM PCI AGPSEL=0 AGPSEL=1
(MHz) (MHz) (MHz)
0 0 0 0 66.6 66.6 33.3 66.6 50
0 0 0 1 100 100 33.3 66.6 50
0 0 1 0 166 166 33.3 66.6 55.6
0 0 1 1 133 133 33.3 66.6 50
0 1 0 0 66.6 100 33.3 66.6 50
0 1 0 1 100 66.6 33.3 66.6 50
0 1 1 0 100 133 33.3 66.6 50
A 0
1
1
0
1
0
1
0
133
112
100
112
33.3
33.6
66.6
67.2
50
56
A
1
1
0
0
0
1
1
0
124
138
124
138
31
34.5
62
69
46.5
51.8 Micro Star Restricted Secret
1 0 1 1 150 150 30 60 50 Title Rev
1 1 0 0 66.6 133 33.3 62.5 49.84 Clock Generator
1 1 0 1 133 166 33.3 66.6 55.3 Document Number 0A
1 1 1 0 150 100 30 60 50 MS-6397
1 1 1 1 160 120 30 60 48 MICRO-STAR INT'L Last Revision Date:
NOTE: CO.,LTD. , 13, 2001
PCICLK<34.5MHz No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan Sheet
http://www.msi.com.tw 3 of 39


8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1




Clock Buffer (3*SDR)
D D




SDCLK[0..11]
SDCLK[0..11] 14,15

U3


CBVDD3 3 VDD RN17
7 VDD
11 5 7 8 SDCLK3
VDD OUTPUT0 SDCLK6
17 VDD OUTPUT1 6 5 6
21 9 3 4 SDCLK11
VDD OUTPUT2 SDCLK10
31 VDD OUTPUT3 10 1 2
35 RN16 8P4R-22
VDD SDCLK9
38 VDD OUTPUT4 15 7 8
42 16 5 6 SDCLK8 By-Pass Capacitors
VDD OUTPUT5 SDCLK4 Place near to the Clock Generator
CP3 46 19 3 4
VDD OUTPUT6 SDCLK5
C 23 VDDS OUTPUT7 20 1
RN21
2
8P4R-22 CN4 C
X_COPPER 1 29 7 8 SDCLK2 SDCLK10 1 2
VCC3_3 N/C OUTPUT8 SDCLK7 SDCLK11
L6 48 30 5 6 3 4
N/C OUTPUT9 SDCLK0 SDCLK6
OUTPUT10 33 3 4 5 6
1 2 22 34 1 2 SDCLK1 SDCLK3 7 8
VDDA OUTPUT11
40 8P4R-22 X_8P4C-10P
EC8 C20 C19 OUTPUT12
X_80S_0805 41
10U/16VS 104P 103P OUTPUT13
OUTPUT14 44
27 45 R39 22 SDRCLKI CN3
GNDA OUTPUT15 SDRCLKI 9
SDCLK5 1 2
3,11,14,15,25,37 SCLK SCLK 25 2 R45 2.7K VCC3_3 SDCLK4 3 4
SDATA SCLK OE(OUTPUT16) SDCLK8
3,11,14,15,25,37 SDATA 24 SDATA 5 6
37 R30 22 FB_OUT SDCLK9 7 8
FWDSDCLKO FB_OUT
9 FWDSDCLKO 12 INPUT
X_8P4C-10P
FB_OUT 13 FB_IN
CN5




GNDS
SDCLK1 1 2
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
SDCLK0 3 4
SDCLK7 5 6
14 SDCLK2 7 8
18
28
32
36
39
43
47
26
ICS9179-06
4
8


X_8P4C-10P


SDRCLKI C55 10P

B B
FB_OUT C22 10P


VCC3_3 L11

1 2 CBVDD3

C275 C45 C35 C29 C57 C56
104P X_80S_0805 104P 104P 104P 104P 104P

CP4


X_COPPER




A A
Micro Star Restricted Secret
Title Rev
Clock Buffer
Document Number 0A
MS-6397
MICRO-STAR INT'L Last Revision Date:
CO.,LTD. , 12, 2001
No. 69, Li-De St, Jung-He City,
Taipei Hsien, Taiwan Sheet
http://www.msi.com.tw 4 of 39


8 7 6 5 4 3 2 1
A B C D E




CPU FERR BLOCK
AMD 462PGA Socket - Signals SADDINCLK#
SADDINCLK# 8
VCC3_3
CPU1A
SDATA#0 AA35 AE1 A20M# SDATAINCLK#0
8 SDATA#[0..63] SDATA0 A20M A20M# 7,11 SDATAINCLK#[0..3] 8
SDATA#1 W37 AG1 FERR SDATAINCLK#1
SDATA#2 SDATA1 FERR INIT# SDATAINCLK#2 V_CORE R27
W35 SDATA2 INIT AJ3 INIT# 7,11
SDATA#3 Y35 AL1 INTR SDATAINCLK#3 4.7K
SDATA3 INTR INTR 7,11
SDATA#4 U35 AJ1 IGNNE#
SDATA4 IGNNE IGNNE# 7,11
SDATA#5 U33 AN3 NMI
SDATA5 NMI NMI 7,11
4 SDATA#6 S37 AG3 CPURST# R22 4
SDATA6 RESET CPURST# 7,8 4.7K FERR# 11
SDATA#7 S33 AN5 SMI#
SDATA7 SMI SMI# 7,11,26
SDATA#8 AA33 AC1 STPCLK#
SDATA8 STPCLK STPCLK# 7,11
SDATA#9 AE37 C
SDATA#10 SDATA9 CPU_PWOK FERR Q8
AC33 SDATA10 PWROK AE3 CPU_PWOK 34,37 B
SDATA#11 L37 L40 2N3904
AC37 SDATA11 E
SDATA#12 Y37 SDINCLK# SADDINCLK#
SDATA#13 SDATA12 APICCLK0 10n 10n
AA37 SDATA13 PICCLK N1 APICCLK0 3,7,11
SDATA#14 AC35 N3 APICD0 C347
SDATA14 PICD0/BYPASSCLK APICD0 7,11
SDATA#15 S35 N5 APICD1 5P
SDATA15 PICD1/BYPASSCLK APICD1 7,11
SDATA#16 Q37
SDATA#17 SDATA16 COREFB-
Q35 SDATA17 COREFB- AG13 COREFB- 7,31
SDATA#18 COREFB+
SDATA#19
N37
J33
SDATA18 COREFB+ AG11 COREFB+ 7,31 CPU SYSCLK BLOCK
SDATA#20 SDATA19 SYSCLK
G33 SDATA20 CLKIN AN17
SDATA#21 SYSCLK# L35 L38
G37 SDATA21 CLKIN AL17
SDATA#22 E37 SDINCLK#0 SDATAINCLK#0 V_CORE
SDATA22 3 CPUCLK
SDATA#23 G35 AN19 10n 10n
SDATA#24 SDATA23 RSTCLK C345
Q33 SDATA24 RSTCLK AL19
SDATA#25 N33 5P SYSCLK C50 680P R44 60.4RST
SDATA#26 SDATA25 K7CLKOUT
L33 SDATA26 K7CLKOUT AL21
SDATA#27 N35 AN21 K7CLKOUT#
SDATA#28 SDATA27 K7CLKOUT R43
L37 SDATA28
SDATA#29 J37 301RST
SDATA#30 SDATA29 L36 L39
A37 SDATA30 ANALOG AJ13
SDATA#31 E35 SDINCLK#1 SDATAINCLK#