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8 7 6 5 4 3 2 1
Last Schematic Update Date: Cover Sheet 1
Block Diagram 2
01/21/2002 MAIN CLOCKGEN & DDR CLOCK BUFFER 3-4
D
mPGA478-B INTEL CPU Sockets 5-6 D
MS-6567 VERSION:101 SIS 645/650 NORTH BRIDGE
DDR SLOT
7 - 10
11 - 12
SIS 645/650 CHIPSET
Willamette/Northwood 478pin mPGA-B Processor Schematics DDR TERMINATOR 13
SIS 961A SOUTH BRIDGE 14 - 17
AGP SLOT 18
CPU: PCI SLOTS 19 - 20
Willamette/Northwood mPGA-478B Processor
LAN CONTROLLER 21
RJ45 & PS2 CON 22
System Brookdale Chipset:
C
SIS 645/650 (North Bridge) IDE CONNECTOR 23 C
+961A (South Bridge) IDE RAID 24
On Board Chipset: USB 2.0 25
LPC Super I/O -- W83697HF USB CONNECTOR 26
NEC uPD720100A USB 2.0 PORT 27
REALTEK RTL8100L AC'97 CODEC 28
ACARD ATP865 AUDIO CONNECTOR 29
Expansion Slots: CNR & CPU FAN 30
AGP2.0 SLOT * 1 LPC I/O(W83697HF) 31
PCI2.2 SLOT* 5 Paralle/Serial Port 32
B
CNR SLOT * 1 VRM 9.X 33
B
ACPI CONTROLLER 34
ATX POWER/VGA CON 35
Front Pannel 36
Decoupling Capacitor 37
VCORE(OVER-VOLTAGE) 38
History 39
A A
MICRO-STAR INT'L CO.,LTD.
Title
COVER PAGE
Size Document Number Rev
C MS-6567 1.0b
Date: , 02, 2002 Sheet 1 of 37
8 7 6 5 4 3 2 1
5 4 3 2 1
GPIO Table on SIS961
GPIO_0 I/O MAIN VID0
D GPIO_1 I/O MAIN Pull-Down D
System Block Diagram GPIO_2 I/O MAIN THERM#
GPIO_3 I/O MAIN EXTSMI#
GPIO_4 I/O MAIN Pull-Down
GPIO_5 I/O MAIN PREQ#5(Pull-Up)
SOCKET-478 GPIO_6 I/O MAIN PGNT#5(Pull-Up)
GPI_7 I/O RESUME Pull-Down
Host Bus
GPI_8 I RESUME RING
GPI_9 I RESUME RESERVED
GPI_10 I RESUME RESERVED
Support Dual Monitor GPIO_11 I/O RESUME RESERVED
SSTL-2 Termination
VGA AGP SLOT DDR SDRAM (Only for DDR)
GPIO_12 I/O RESUME Pull-Down
D-SUB GPIO_13 I/O RESUME Flash Rom protection H: Disable, L: Enable
SIS645DX/651 GPIO_14 I/O RESUME LAN_WAKE#
DIMM 1 DIMM 2 DIMM 3 Rtt GPIO_15 I/O RESUME KBDAT
VGA Connector VGA CONNECTOR VGA
GPIO_16 I/O RESUME KBCLK
C C
USB 2.0
GPIO_17 I/O RESUME MSDAT
GPIO_18 I/O RESUME MSCLK
GPIO_19 I/O RESUME SMBCLK
HyperZip Analog In
GPIO_20 I/O RESUME SMBDAT
Support Max to six-PCI Devices
512 MB
IDE RAID
AC'97
Audio Codec
Lan PCI SLOT 3 PCI SLOT 2 PCI SLOT 1 Analog Out
SiS962 CNR
IDE 1 IDE 2
USB 0 USB 2
B USB 1 USB 3 B
KEYBOARD PS/2
/MOUSE
LPC Bus
FAN FAN FAN CONTROL VOLTAGE MONITOR
1 2
TEMPERATURE MONITOR
LPC Super I/O
Legacy
ROM
GPIOs IR/CIR GAME/MIDI SERIAL PARALLEL FLOPPY
A A
MICRO-STAR INT'L CO.,LTD.
Title
System Block Diagram
Size Document Number Rev
MS-6567 1.0b
Date: , 02, 2002 Sheet 2 of 37
5 4 3 2 1
5 4 3 2 1
D D
VCC3
VCC3
Main Clock Generator
CB195 CB184
L48 CP24 0.1u 1000p
X_COPPER
X_80_0805
U15
ICS952004-SSOP48 CPUCLK0 R215 49.9
CPUCLK-0 R216 49.9
1 VDDREF
11 CPUCLK1 R213 49.9
VDDZ CPUCLK-1 R214
13 49.9
VDDPCI
19 VDDPCI
28 VDD48
CB178 CB177 CB196 CB197 CB179 29 SDCLK C110 20p
CE7 0.1u 0.1u 0.1u CB180 0.1u CB182 CB198 VDDAGP
42 VDDCPU
0.1u 0.1u 0.1u 0.1u 48 40 R237 33 CPUCLK0
VDDSD CPUCLK0 CPUCLK0 5
10u 39 R238 33 CPUCLK-0 AGPCLK0 C111 X_10p_0603
CPUCLK#0 CPUCLK-0 5
12 PCI_STOP#
45 44 R235 33 CPUCLK1 AGPCLK1 C112 X_10p_0603
CPU_STOP# CPUCLK1 CPUCLK1 7
43 R236 33 CPUCLK-1
CPUCLK#1 CPUCLK-1 7
5 47 R234 22 SDCLK ZCLK0 C163 X_10p_0603
C VSSREF SDCLK SDCLK 8 C
8 VSSZ
18 31 R239 22 AGPCLK0
VSSPCI AGPCLK0 AGPCLK0 7
24 30 R240 22 AGPCLK1 ZCLK1 C164 X_10p_0603
VSSPCI AGPCLK1 AGPCLK1 18
25 VSS48
32 9 R289 22 ZCLK0
VSSAGP ZCLK0 ZCLK0 9
41 10 R290 22 ZCLK1
VSSCPU ZCLK1 ZCLK1 14
46 PCICLK2 CN18 1 2 10p
VSSSD FS3 RN76 7
PCICLK_F0/FS3 14 8 33 PCICLK0
PCICLK0 21
PCICLK1 3 4
VCC3 VCC3 15 FS4 5 6 96XPCLK 96XPCLK 5 6
PCICLK_F1/FS4 96XPCLK 14
16 3 4 PCICLK1 PCICLK0 7 8
PCICLK0 PCICLK1 19
17 1 2 PCICLK2
PCICLK1 PCICLK2 19
20 RN77 33
R219 R218 PCICLK2 PCICLK3 PCICLK6 CN19
PCICLK3 21 7 8 PCICLK3 19 1 2 10p
10K 10K 22 5 6 PCICLK4 PCICLK5 3 4
PCICLK4 PCICLK4 20
23 3 4 PCICLK5 PCICLK4 5 6
PCICLK5 PCICLK5 20,24
1 2 PCICLK6 PCICLK3 7 8
PCICLK6 28,29
33 2 FS0
VCCP PD#/VTT_PWRGD REF0/FS0 FS1 R760
3 33 ICS332 24
REF1/FS1 FS2 R283 REFCLK0 APICCLK C161 X_10p_0603
R207 4 33 REFCLK0 9
Q27 Q26 R217 REF2/FS2 R285 REFCLK1
475 38 33 REFCLK1 15
IREF R286 APICCLK
27 33 APICCLK 15
48M R287 REFCLK2 REFCLK0 C153 X_10p_0603
10K 26 X_33 REFCLK2 26
NPN-MBT3904LT1-S-SOT23 24_48M/MULTISEL R241 UCLK48M
22 UCLK48M 16
NPN-MBT3904LT1-S-SOT23 REFCLK1 C160 X_10p_0603
CP26 X_COPPER MULTISEL R242 22 SIO48M
SIO48M 29
35 REFCLK2 C162 X_10p_0603
VCC3 SCLK
SDATA 34
L49 SMBCLK
SMBCLK 4,11,12,15,28,32
36 SMBDAT
VDDA SMBDAT 4,11,12,15,28,32
X_80_0805
B B
UCLK48M C113 10p_0603
CB194 CB187 CB181 VCC3
0.1u 0.1u 1000p
F0~F4 internal Pull-Down 120K SIO48M C114 10p_0603
37 VSSA BSEL0 5
R291 2.7K FS0
R292 X_2.7K FS1 SMBCLK C251 X_10p
XOUT
R288 X_2.7K R542 10K FS2
XIN
R271 X_2.7K FS3 SMBDAT C252 X_10p
R276 2.7K R543 10K FS4
6
7
Y1
FS4 FS3 FS2 FS1 FS0 CPU SDRAM ZCLK AGP PCI
14M-32pf-HC49S-D 0 0 0 0 1 100 100 66 66 33
C143 C134
27p 27p 1 0 1 0 1 133 100 66 66 33
MULTISEL internal Pull-Up 120K
R243 X_4.7K
A VCC3 A
MULTISEL R220 X_4.7K
MICRO-STAR INT'L CO.,LTD.
Title
MAIN CLOCK GEN & BUFFER
Size Document Number Rev
MS-6567 1.0b
Date: , 03, 2002 Sheet 3 of 37
5 4 3 2 1
8 7 6 5 4 3 2 1
Clock Buffer (DDR)
D (OPTIONS)
D
1: (ICS-93705)
CP11 X_COPPER
VCC2.5V
L28
CBVDD
X_80_0805
By-Pass Capacitors
Place near to the Clock Buffer
CB126 CB127 CE5 + CB88 CB87 CB110 CB123 CB111
0.01u 0.1u 0.1u 0.1u 0.1u 0.1u
0.1u 22u DDRCLK0 C58 X_10p
DDRCLK1 C59 X_10p
DDRCLK[0..8]
DDRCLK[0..8] 11,12
DDRCLK2 C62 X_10p
DDRCLK-[0..8]
DDRCLK-[0..8] 11,12
DDRCLK3 C64 X_10P
SMBCLK
SMBCLK 3,11,12,15,28,32
SMBDAT DDRCLK5 C65 X_10P
SMBDAT 3,11,12,15,28,32
U7 FWDSDCLKO DDRCLK4 C38 X_10P
FWDSDCLKO 8
93705CF
DDRCLK8 C39 X_10P
C CBVDD 15
C
VDDI2C DDRCLK7 C42 X_10P
4 VDD
11 VDD
21 DDRCLK6 C45 X_10P
VDD
28 VDD
34 VDD
CP14 X_COPPER 38 VDD R111 DDRCLK0 DDRCLK-0 C57 X_10P
45 3 0
VDD CLK0 R112 DDRCLK1
5 0
CLK1 R115 DDRCLK2 DDRCLK-1 C60 X_10P
10 0
L32 CLK2 R118 DDRCLK3
20 0
CLK3 R119 DDRCLK5 DDRCLK-2 C61 X_10P
16 22 0
VCC2.5V AVDD CLK4 R81 DDRCLK4
46 0
X_80_0805 CLK5
+ CE4 CB124 CB118 44 R82 0 DDRCLK8 DDRCLK-3 C63 X_10P
22u CLK6 R85 DDRCLK7
39 0
0.1u 0.01u CLK7 R89 DDRCLK6 DDRCLK-5 C66 X_10P
29 0
CLK8
17 AGND CLK9 27
DDRCLK-4 C37 X_10P
SMBCLK R116 0 12 2 R110 0 DDRCLK-0
SMBDAT SCLK CLK#0 R113 DDRCLK-1 DDRCLK-8 C40 X_10P
R86 0 37 6 0
SDATA CLK#1 R114 DDRCLK-2
9 0
FWDSDCLKO CLK#2 R117 DDRCLK-3 DDRCLK-7 C41 X_10P
13 19 0
CLK_IN CLK#3 R120 DDRCLK-5
23 0
CLK#4 R80 DDRCLK-4 DDRCLK-6 C44 X_10P
47 0
CLK#5 R83 DDRCLK-8
43 0
CLK#6 R84 DDRCLK-7
40 0
CLK#7 R88 DDRCLK-6
30 0
CLK#8
CLK#9 26
14
B NC
FB_OUT 33 R87 22 FB_OUT B
FB_OUT 35 32
FB_IN NC
C43
10p
36 NC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
18
24
25