![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg1.png)
8
7
6
5
4
3
2
1
D D
VIA KT400 + VT8235 Chipset
Cover Sheet
Block Diagram
CLOCK GEN
CPU:
AMD Athlon XP / Athlon / Duron Socket 462
System Chipset:
VIA VT8377 (KT400 ) + VT8235
C C
On Board Chipset:
LPC Super I/O -- W83697HF
Lan : VIA PHY VT6103
1394 : VIA 1394
AMD CPU Sockets 462
Via VT8377 KT400 North Bridge
DDR SLOT
DDR TERMINATOR
AGP SLOT
Via VT8235 South Bridge 12 - 14
PCI SLOTS 15 - 16
LAN 17
IDE CONNECTOR
Expansion Slots:
AGP 3.0 Slot * 1
DDR Slot * 2
PCI 2.2 Slot * 3
B B
USB CONNECTOR
AC'97 CODEC
AUDIO CONNECTOR
ROM & Battery
LPC I/O(W83697HF)
1
2
3
4 - 5
6 - 8
9
10
11
18
19
20
21
22
23
MS-6716 Ver : 200
HARDWARE MONITOR, Fan,
PARALLEL PORT, SERIAL I/F, WOR
VRM 9.X
ACPI Controller, Regulators
ATX Power Con, Thermal Trip,Front Panel,
VIA 1394
A A
8
7
6
5
Other
4
KB/MS CONNECTOR
3
Decoupling Cap
Title
Size Document Number Rev
Date: Sheet of
COVER PAGE
2
24
25
26
27
28
29
30
MICRO-STAR INT'L CO.,LTD.
MS-6716
1 32Tuesday, December 24, 2002
1
200
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg2.png)
8
7
6
5
4
3
2
1
System Block Diagram
D D
AGP Connector
C C
PCI SLOT 3 PCI SLOT 2 PCI SLOT 1
AGP CONNECTOR
SOCKET-462
Host Bus
Via VT8377
V-Link
Via VT8235
IDE 1
B B
IDE 2
/MOUSE
Lan Phy
FAN1FAN
Legacy
ROM
2
PS/2KEYBOARD
LPC Bus
FAN CONTROL
LPC Super I/O
FAN CONTROL
Host CLK
DDR SDRAM
DIMM 1 DIMM 2
Audio Codec
CNR
USB 0
USB 1
VOLTAGE MONITOR
TEMPERATURE MONITOR
Mem. CLK
SSTL-2 Termination
(Only for DDR)
AC'97
USB 3
USB 4
PCI CLK
AGP CLK
Rtt
Analog In
Analog Out
ATX Conn.Clock Gen.
VCC5SBY
VCC3
VCC5SBY
VCC5
+ 12V
- 12V
+ 5V
- 5V
3.3V
VCC5SBY
VCC3SBY VCCM
VCC25SBY
DDR_VTT
VCC2_5
VDDQ
VCCA_PLL
5VDUAL
VCORE
KBUVCC
IR/CIR
A A
8
7
GAME/MIDIGPIOs
SERIAL PARALLEL FLOPPY
6
Title
System Block Diagram
Size Document Number Rev
5
4
3
Date: Sheet of
2
MICRO-STAR INT'L CO.,LTD.
MS-6716
2 32Monday, December 16, 2002
1
200
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg3.png)
8
7
6
5
4
3
2
1
By-Pass Capacitors
Place near to the Clock Outputs
AGPCLK0
AGPCLK1
VLCLK
PCICLK3
PCICLK4
PCICLK2
PCICLK1
PCLKSB
SIOPCLK
APICCPU
APICSB
SBCLK14
USBCLK
SIO48M
By-Pass Capacitors
Place near to the Clock Buffer
DDRCLK0
DDRCLK-0
DDRCLK1
DDRCLK-1
DDRCLK2
DDRCLK-2
DDRCLK3
DDRCLK-3
DDRCLK4
DDRCLK-4
DDRCLK5
DDRCLK-5
CPUCLK0
CPUCLK-0
CPUCLK-1
CPUCLK1
CLOCK GEN
2
C238 10p_0603
C252 10p_0603
C239 10p_0603
CN25 10p
1 2
3 4
5 6
7 8
C242 X_10p_0603
C241 X_10p_0603
C201 X_10p_0603
C237 X_10p_0603
C236 X_10p_0603
C243 X_10p_0603
C220 X_10p_0603
CN23 X_10p
1 2
3 4
5 6
7 8
CN24 X_10p
1 2
3 4
5 6
7 8
CN21 X_10p
1 2
3 4
5 6
7 8
CN22 X_10p
1 2
3 4
5 6
7 8
MICRO-STAR INT'L CO.,LTD.
MS-6716
3 32Monday, December 16, 2002
1
200
XIN
3
Y2
14M-32pf-HC49S-D
C231
22p
R221 X_22
Damping Resistors
Place near to the
Clock Outputs
CPUCLK_PPT
CPUCLK_PPC
CPUCLKST
CPUCLKSC
BUFFER_IN
AGP0/MODE
AGP1/SEL_CPU
AGP2/PCI_STOP#
PCICLK_F/FS1
PCICLK0/SEL_SD_DDR#
PCICLK1/MULTSEL0
PCICLK5/CPU_STP#
24_48M/FS2
VTT_PWRGD#/REF1
XOUT
4
C209
22p
APICCPU
DDRT0
DDRC0
DDRT1
DDRC1
DDRT2
DDRC2
DDRT3
DDRC3
DDRT4
DDRC4
DDRT5
DDRC5
FBOUT
PCICLK2
PCICLK3
PCICLK4
48M/FS3RESET/PD#
RN70 22
7 8
REF1
5 6
3 4
1 2
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
R199
R264
R289
R266
FS0
R267
R268
R291
R270
R292
R262
R263
R286
R210
R211 261
22
22
22
22
RN77 22
1 2
3 4
5 6
7 8
22
22
33
22
33
62
48
49
53
52
44
43
42
41
38
37
36
35
32
31
30
29
45
46
MODE
6
SELCPU
7
8
FS1
10
SELDDR#
11
MULTSEL0
12
14
15
17
18
FS3
2026
FS2
21
56
CPUCLK1
CPUCLK-1
CPUCLK-0
RN7122
RN7222
RN7322
R419
22
22
22
CPUCLK0
DDRCLK0 9
DDRCLK-0 9
DDRCLK1 9
DDRCLK-1 9
DDRCLK2 9
DDRCLK-2 9
DDRCLK3 9
DDRCLK-3 9
DDRCLK4 9
DDRCLK-4 9
DDRCLK5 9
DDRCLK-5 9
DCLKO 7
DCLKI 7
AGPCLK0 8
VLCLK 12
AGPCLK1 11
22
PCICLK3 16
PCICLK4 16
PCICLK2 16
PCICLK1 15
SIOPCLK 23
PCLKSB 12
1394PCLK 29
USBCLK 14
SIO48M 23
SBCLK14 13
APICSB 12
AC97CLK 20
APICCPU 4
CPUCLK1 6
CPUCLK-1 6
CPUCLK0 4
CPUCLK-0 4
PCICLK5 31
FS0 FS1 FS2 FS3
0
0 0
0 0
0
FS1_S5,13
FS3_S5,13
100MHZ
133MHZ
FS0
FS2
R293 10K
R302 10K
VCC3
R2734.7K
FS1
3
R2754.7K
R274X_2.7K
FS3
Title
Size Document Number Rev
Date: Sheet of
5
MULTSEL0
SELCPU
SELDDR#
DCLKO
1
1 1
1 1 1 166MHZ
R252 X_4.7K
R265 4.7K
R272 4.7K
VCC2_5
R178 X_4.7K
R192 X_4.7K
4
Main Clock Generator
VCC3
CE2
VCC3
53
1
2
X_NC7SZ08-74NC7SZ08S
CP9
X_COPPER
X_80_0805
L38
U11
4
CB78
CB64
0.1u
0.1u
VCC3
L39
X_80_0805
CP10
X_COPPER
VCC2_5 VCC2_5
CB68
X_80_0805
L37
CP8
0.1u
X_COPPER
SMBCLK9,13,27
SMBDAT9,13,27
FP_RST#27,28
VCC3
CB69
X_0.1u
APICSB
7
CB77
0.1u
CB76
0.1u
CB73
0.1u
VADDR25
CB67
CB65
0.1u
0.1u
R248 X_0
REF1
CB66
0.1u
CB72
0.1u
D D
X_10u
C C
B B
REF1
A A
8
U12
CY28341OCVerD-SSOP56
5
VDDAGP
16
VDDPCI
22
VDD48M
51
VDDCPU
55
VDDREF
2
GND2
9
GND9
13
GND13
19
GND48M
33
GND33
39
GND39
47
GNDI
54
GND54
23
AVDD
24
AGND
50
VDDI
34
VDD3.3/2.5-34
40
VDD3.3/2.5-40
27
SCLK
28
SDATA
25 1
IREF REF0/FS0
R244
475
VCC2_5
53
U9
1
2
4
X_NC7SZ08-74NC7SZ08S
6
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg4.png)
8
7
6
5
4
3
2
1
R21
680
60.4
CB4
39p
VCORE
RN20 100
VCC3
R9
1K
C
Q2
B
NPN-MBT3904LT1-S-SOT23
E
R67
R68
301
VCORE
R19
100
CB5
R15
100
0.1u
for internal
R29
X_1K
VREFSYS
R27
270
VCORE
78
56
34
12
VCORE
VCORE
R69
60.4
3
FERR# 12
C50
0.01u
CPUCLK0 3
CPUCLK-0 3
VCORE
TRST#
PLLTEST#
DBREQ#
TCK
TMS
TDI
RN14
1 2
3 4
5 6
7 8
R22510
R31510
510
SSHIFTEN
SINTVAL
SCANCLK2
SCANCLK1
RN10
1 2
3 4
5 6
7 8
270
VCC2_5
FID3
FID2
FID1
FID0
RN6
1 2
3 4
5 6
7 8
330
VCORE
CPUINIT#
IGNNE#
CPURST#
A20M#
39pC12
SMI#
NMI
INTR
STPCLK#
FLUSH#
PLLBP#
PLLMON1
PLLMON2
AIN#0
AIN#1
COREFB+
COREFB-
AIN#0
AIN#1
DOVAL#
FILVAL#
RN8 680
RN7 680
R49 10K
C26
4.7u-1206
R55 10K
R77 X_680
R75 X_680
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
R39 680
R73 680
R53 56
R48 56
R76 680
R74 680
VCORE
R78270
R80270
VCC2_5
APICD0
APICD1
CPURST#
PWRGD_CPU
Title
Socket 462 - 1
Size Document Number Rev
Date: Sheet of
2
MICRO-STAR INT'L CO.,LTD.
MS-6716
R52330
R59330
C11180p
C19180p
4 32Monday, December 16, 2002
1
200
VCORE
CPU1A
A20M
FERR
IGNNE
RESET
STPCLK
PWROK
PICCLK
PICD0/BYPASSCLK
PICD1/BYPASSCLK
COREFBÂCOREFB+
CLKIN
CLKIN
RSTCLK
RSTCLK
K7CLKOUT
K7CLKOUT
ANALOG
SYSVREFMODE
VREF_SYS
PLLBYPASS
PLLBYPASSCLK
PLLBYPASSCLK
PLLMON1
PLLMON2
PLLTEST
SCANCLK1
SCANCLK2
SCANINTEVAL
SCANSHIFTEN
DBRDY
DBREQ
FLUSH
TRST
SCHECK0
SCHECK1
SCHECK2
SCHECK3
SCHECK4
SCHECK5
SCHECK6
SCHECK7
SADDOUT0
SADDOUT1
SADDOUT2
SADDOUT3
SADDOUT4
SADDOUT5
SADDOUT6
SADDOUT7
SADDOUT8
SADDOUT9
SADDOUT10
SADDOUT11
SADDOUT12
SADDOUT13
SADDOUT14
SADDOUTCLK
INIT
INTR
NMI
SMI
TCK
TDO
TMS
VID0
VID1
VID2
VID3
VID4
FID0
FID1
FID2
FID3
AE1
AG1
AJ3
AL1
AJ1
AN3
AG3
AN5
AC1
AE3
N1
N3
N5
AG13
AG11
AN17
AL17
AN19
AL19
AL21
AN21
FERR
STPCLK#
COREFBÂCOREFB+
CPUCLK_R
CPUCLK#_R
CLKOUT
CLKOUT#
A20M# 12
CPUINIT# 12
INTR 12
IGNNE# 12
NMI 8
CPURST# 27
SMI# 12
STPCLK# 12
PWRGD_CPU 27
APICCPU 3
APICD0 12
APICD1 12
FERR
Near socket-A
CPUCLK_R
CPUCLK#_R
680p C43
680p C47
AJ13
VREFMODE
AA5
VREF_SYS
W5
ZN
AC5
ZN
ZP
TDI
AE5
AJ25
AN15
AL15
AN13
AL13
AC3
S1
S5
S3
Q5
AA1
AA3
AL3
Q1
U1
U5
Q3
U3
L1
L3
L5
L7
J7
W1
W3
Y1
Y3
U37
Y33
L35
E33
E25
A31
C13
A19
J1
J3
C7
A7
E5
A5
E7
C1
C5
C3
G1
E1
A3
G5
G3
ZP
PLLBP#
PLLMON1
PLLMON2
PLLTEST#
SCANCLK1
SCANCLK2
SINTVAL
SSHIFTEN
DBREQ#
FLUSH#
TCK
TDI
TMS
TRST#
VID0
VID1
VID2
VID3
VID4
FID0
FID1
FID2
FID3
AOUT#2
AOUT#3
AOUT#4
AOUT#5
AOUT#6
AOUT#7
AOUT#8
AOUT#9
AOUT#10
AOUT#11
AOUT#12
AOUT#13
AOUT#14
E3
PGA-D462
VCORE
100
R66
100
R61
VID0 26
VID1 26
VID2 26
VID3 26
VID4 26
FID0 13
FID1 13
FID2 13
FID3 13
AOUT#[2:14] 6
AOCLK# 6
100
R58
100
0.5 * VCORE
VREF_SYS
R63
VREFMODE
VREFMODE=Low=No voltage scaling
ZN
R34 40.2
ZP
R38 56.2
match the transmission line
Push-pull compensation circuit
CLKOUT
CLKOUT#
DIVAL#
SDATA#0
SDATA#1
SDATA#2
SDATA#3
SDATA#4
SDATA#5
SDATA#6
SDATA#7
SDATA#8
SDATA#9
SDATA#10
SDATA#11
SDATA#12
SDATA#13
SDATA#14
SDATA#15
SDATA#16
SDATA#17
SDATA#18
SDATA#19
SDATA#20
SDATA#21
SDATA#22
SDATA#23
SDATA#24
SDATA#25
SDATA#26
SDATA#27
SDATA#28
SDATA#29
SDATA#30
SDATA#31
SDATA#32
SDATA#33
SDATA#34
SDATA#35
SDATA#36
SDATA#37
SDATA#38
SDATA#39
SDATA#40
SDATA#41
SDATA#42
SDATA#43
SDATA#44
SDATA#45
SDATA#46
SDATA#47
SDATA#48
SDATA#49
SDATA#50
SDATA#51
SDATA#52
SDATA#53
SDATA#54
SDATA#55
SDATA#56
SDATA#57
SDATA#58
SDATA#59
SDATA#60
SDATA#61
SDATA#62
SDATA#63
DICLK#0
DICLK#1
DICLK#2
DICLK#3
DOCLK#0
DOCLK#1
DOCLK#2
DOCLK#3
SDATA#[0:63]6
D D
C C
B B
DICLK#[0:3]6
DIVAL#6
DOCLK#[0:3]6
DOVAL#
AIN#0
AIN#[2:14]6
A A
AICLK#6
CFWDRST6
CONNECT6
PROCRDY6
AIN#1
CFWDRST
CONNECT
PROCRDY
FILVAL#
AICLK#
AIN#2
AIN#3
AIN#4
AIN#5
AIN#6
AIN#7
AIN#8
AIN#9
AIN#10
AIN#11
AIN#12
AIN#13
AIN#14
AA35
AA33
AE37
AC33
AC37
AA37
AC35
AN33
AE35
AL31
AJ29
AL29
AG33
AJ37
AL35
AE33
AJ35
AG37
AL33
AN37
AL37
AG35
AN29
AN35
AN31
AJ33
AJ21
AL23
AN23
AJ31
W37
W35
U35
U33
Q37
Q35
N37
G33
G37
G35
Q33
N33
N35
C23
C27
C35
C33
C31
C29
C25
C15
C21
C19
C17
W33
C37
C11
Y35
S37
S33
Y37
S35
J33
E37
L33
L37
J37
A37
E35
E31
E29
A27
A25
E21
A23
A35
A29
E23
E17
E13
E11
E9
A13
C9
A9
A21
E19
A11
A17
A15
J35
E27
E15
A33
SDATA0
SDATA1
SDATA2
SDATA3
SDATA4
SDATA5
SDATA6
SDATA7
SDATA8
SDATA9
SDATA10
SDATA11
SDATA12
SDATA13
SDATA14
SDATA15
SDATA16
SDATA17
SDATA18
SDATA19
SDATA20
SDATA21
SDATA22
SDATA23
SDATA24
SDATA25
SDATA26
SDATA27
SDATA28
SDATA29
SDATA30
SDATA31
SDATA32
SDATA33
SDATA34
SDATA35
SDATA36
SDATA37
SDATA38
SDATA39
SDATA40
SDATA41
SDATA42
SDATA43
SDATA44
SDATA45
SDATA46
SDATA47
SDATA48
SDATA49
SDATA50
SDATA51
SDATA52
SDATA53
SDATA54
SDATA55
SDATA56
SDATA57
SDATA58
SDATA59
SDATA60
SDATA61
SDATA62
SDATA63
SDATAINCLK0
SDATAINCLK1
SDATAINCLK2
SDATAINCLK3
SDATAINVAL
SDATAOUTCLK0
SDATAOUTCLK1
SDATAOUTCLK2
SDATAOUTCLK3
SDTATOUTVAL
SADDIN0
SADDIN1
SADDIN2
SADDIN3
SADDIN4
SADDIN5
SADDIN6
SADDIN7
SADDIN8
SADDIN9
SADDIN10
SADDIN11
SADDIN12
SADDIN13
SADDIN14
SADDINCLK
CLKFWDRST
CONNECT
PROCRDY
SFILLVAL
* Trace lengths of CLKOUT and -CLKOUT are between 2" and 3"
8
7
6
5
4
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg5.png)
8
H12
H16
H20
H24M8P30R8T30V8X30Z8AB30
D D
FSB1
C C
AD30
AF10
AF28
AF30
AF32
AH30
AG15
AG29
AD8
AF6
AF8
AH8
AK8
AM8
H10
H28
H30
H32
AN7
G25
G17
AG7
AJ9
AL9
F30
F8
H6
H8
K30
K8
AJ7
AL7
G9
N7
Y7
VCC_CORE1
VCC_CORE2
VCC_CORE3
VCC_CORE4
VCC_SRAM1
VCC_SRAM2
VCC_SRAM3
VCC_SRAM4
VCC_SRAM5
VCC_SRAM6
VCC_SRAM7
VCC_SRAM8
VCC_SRAM9
VCC_SRAM11
VCC_SRAM13
VCC_SRAM14
VCC_SRAM16
VCC_SRAM17
VCC_SRAM19
VCC_SRAM20
VCC_SRAM21
VCC_SRAM22
VCC_SRAM23
VCC_SRAM24
VCC_SRAM25
VCC_SRAM26
VCC_SRAM27
VCC_SRAM28
VCC_SRAM29
VCC_SRAM30
VCC_SRAM31
KEY4
KEY6
KEY8
KEY10
KEY12
KEY14
KEY16
KEY18
VSS1
VSS2
VSS3
VSS4
H14
H18
H22
H26
VCC_CORE5
VCC_CORE6
VCC_CORE7
VCC_CORE8
VCC_CORE9
VCC_CORE10
VSS5
VSS6
VSS7
VSS8
VSS9
VSS10
M30P8R30T8V30X8Z30
AF14
AF18
AF22
VCC_CORE11
VCC_CORE12
VCC_CORE13
VCC_CORE14
VCC_CORE15
VSS11
VSS12
VSS13
VSS14
VSS15
AB8
AF12
AF16
AF20
7
AF26
AM34
AK36
AK34
VCC_CORE16
VCC_CORE17
VCC_CORE18
VCC_CORE19
VSS16
VSS17
VSS18
VSS19
AF24
AM36
AK32
AK28
AK30
AK26
AK22
AK18
VCC_CORE20
VCC_CORE21
VCC_CORE22
VCC_CORE23
VSS20
VSS21
VSS22
VSS23
AK24
AK20
AK16
AK12
AK14
AK10
AL5
AH26
VCC_CORE24
VCC_CORE25
VCC_CORE26
VCC_CORE27
VSS25
VSS26
VSS27
VSS28
AK4
AK2
AH36
AM32
AM30
AH22
AH18
AH14
VCC_CORE28
VCC_CORE29
VCC_CORE30
VCC_CORE31
VSS29
VSS30
VSS31
VSS32
AH34
AH32
AH28
AH24
AH10
AH4
AH2
AF36
AF34
VCC_CORE32
VCC_CORE33
VCC_CORE34
VCC_CORE35
VSS33
VSS34
VSS35
VSS37
AH20
AH16
AH12
AF4
AF2
6
AD6
AM26
AD4
AD2
VCC_CORE36
VCC_CORE37
VCC_CORE38
VCC_CORE39
VCC_CORE40
VSS38
VSS39
VSS40
VSS41
VSS42
AD36
AD34
AD32
AB6
AB36
AB34
AB32Z6Z4Z2X36
VCC_CORE41
VCC_CORE42
VCC_CORE43
VCC_CORE44
VSS43
VSS44
VSS45
VSS46
AB4
AB2
Z36
Z34
VCORE
X34
VCC_CORE45
VCC_CORE46
VCC_CORE47
VCC_CORE48
VSS47
VSS48
VSS49
VSS50
Z32X6AM28X4X2
AM22
X32V6V4V2T36
VCC_CORE49
VCC_CORE50
VCC_CORE51
VCC_CORE52
VSS51
VSS52
VSS53
VSS54
V36
V34
V32T6T4T2R36
T34
T32R6R4R2AM18
VCC_CORE53
VCC_CORE54
VCC_CORE55
VCC_CORE56
VCC_CORE57
VSS55
VSS56
VSS57
VSS58
VSS59
R34
P36
VCC_CORE58
VCC_CORE59
VCC_CORE60
VCC_CORE61
VSS60
VSS61
VSS62
VSS63
AM24
R32P6P4P2M36
5
P34
P32M4M6M2K36
VCC_CORE62
VCC_CORE63
VCC_CORE64
VCC_CORE65
VSS64
VSS65
VSS66
VSS67
M34
M32K6K4K2AM20
K34
K32H4H2
VCC_CORE66
VCC_CORE67
VCC_CORE68
VCC_CORE69
VCC_CORE70
VSS68
VSS69
VSS70
VSS71
VSS72
H36
AM14
F36
F34
VCC_CORE71
VCC_CORE72
VCC_CORE73
VCC_CORE74
VSS73
VSS74
VSS75
VSS76
H34
F26
F22
F18
F32
F28
F24
F20
VCC_CORE75
VCC_CORE76
VCC_CORE77
VCC_CORE78
VSS77
VSS78
VSS79
VSS80
F14
F10F6F4F2AM16
F16
F12
D32
D28
VCC_CORE79
VCC_CORE80
VCC_CORE81
VCC_CORE82
VSS81
VSS82
VSS83
VSS84
D36
D34
4
AM10
D24
D20
D16
VCC_CORE83
VCC_CORE84
VCC_CORE85
VCC_CORE86
VSS85
VSS86
VSS87
VSS88
D30
D26
D22
D18
D12D8D4D2B36
VCC_CORE87
VCC_CORE88
VCC_CORE89
VCC_CORE90
VSS89
VSS90
VSS91
VSS92
D14
D10D6B34
B32
AM2
B28
VCC_CORE91
VCC_CORE92
VCC_CORE93
VCC_CORE94
VSS93
VSS94
VSS95
VSS96
AM12
B30
B26
B22
B24
B20
B16
B12B8B4
VCC_CORE95
VCC_CORE96
VCC_CORE97
VCC_CORE98
VSS97
VSS98
VSS99
VSS100
B18
B14
B10B6B2
AJ5
VCC_CORE99
VCC_CORE100
VCC_CORE101
BP0_CUT
BP1_CUT
BP2_CUT
BP3_CUT
VSS101
VSS102
VSS103
VSS104
AM4
AK6
AM6
3
VCCA_PLL
0~100 mA, 2.25~2.75V
AC7
AJ23
CPU1B
PGA-D462
VCC_Z
VCC_A
AA31
NC1
AC31
NC2
AE31
NC3
AG23
NC6
AG25
NC7
AG31
NC8
AG5
NC9
AJ11
NC10
AJ15
NC11
AJ17
NC12
AJ19
NC13
AJ27
NC15
AL11
NC16
AN11
NC17
AN9
NC18
G11
NC19
G13
NC20
G27
NC21
G29
NC22
G31
NC23
J31
NC24
J5
NC25
L31
NC27
N31
NC28
Q31
NC29
S31
NC30
S7
NC31
U31
NC32
U7
NC33
W31
NC34
W7
NC35
Y31
NC36
Y5
NC37
AG19
NC42
G21
NC43
AG21
NC44
G19
NC45
AN27
AL27
AN25
AL25
VSS_Z
AE7
FS1_S
R620
PGA-D462
AO1
GND
AO2
GND
AO3
GND
AO4
GND
YY1
GND
YY2
GND
YY3
GND
YY4
GND
YY5
GND
YY6
GND
YY7
GND
YY8
GND
YY9
GND
YY10 YY11
GND GND
CPU1C
2
VCC2_5
R413X_220
FS1_S 3,13
VCC2_5
FSB1
CPUTD 24,28
VTIN_GND 11,24
XX1
GND
XX2
GND
YY24
GND
YY23
GND
YY22
GND
YY21
GND
YY20
GND
YY19
GND
YY18
GND
YY17
GND
YY16
GND
YY15
GND
YY14
GND
YY13
GND
YY12
GND
R414
X_220
R415X_1K
B
X_NPN-MBT3904LT1-S-SOT23
VCC3
R416
C
Q36
E
X_220
1
ADJUST R87
VALUE FOR
EMI.
VCCA_PLL
C72
C74
0.1u
33p
FS3_S 3,13
2.5V
B B
A A
8
VCORE
VCORE
VCORE
C36
4.7u-0805
C90
0.1u
C79
X_0.01u
C35
4.7u-0805
C29
0.1u
C42
X_0.01u
C67
4.7u-0805
C61
0.1u
C40
X_0.01u
7
C73
0.1u
C56
X_0.01u
C88
4.7u-0805
Near M8/P8
C71
C52
C84
4.7u-0805
4.7u-0805
C28
C89
0.1u
C60
0.1u
0.1u
4.7u-0805
C82
0.1u
C51
4.7u-0805
C33
0.1u
VCORE
C30
X_39p
C81
X_39p
C41
X_39p
C91
X_39p
C70
X_39p
C85
X_39p
C87
X_39p
C63
X_39p
C34
X_39p
C24
X_39p
C13
X_39p
C96
X_39p
C95
X_39p
C75
X_39p
C53
X_39p
C10
X_39p
For VCORE output cap
C86
C65
0.1u
C80
0.1u
0.1u
C92
C31
0.1u
0.1u
C38
C45
0.1u
C64
C32
C69
C46
C83
0.1u
0.1u
0.1u
0.1u
0.1u
C55
0.1u
0.1u
C113
C66
X_39p
X_39p
Alone VCORE edge
VCORE VCORE
C349
X_39p
6
C344
X_39p
C346
X_39p
C347
X_39p
C345
X_39p
C343
X_39p
5
Solder Side
C78
C37
C77
10u-1206
10u-1206
4
10u-1206
C27
10u-1206
Title
Socket 462 - 2
Size Document Number Rev
3
Date: Sheet of
2
MICRO-STAR INT'L CO.,LTD.
MS-6716
5 32Monday, December 16, 2002
1
200
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg6.png)
8
HOST BUS
M18
D D
AOUT#[2:14]4
C C
AOCLK#4
DOCLK#[0:3]4
DIVAL#4
CFWDRST4
CONNECT4
PROCRDY4
CPUCLK13
CPUCLK-13
B B
DICLK#[0:3]4
A A
AICLK#A
8
AIN#2
AIN#3
AIN#4
AIN#5
AIN#6
AIN#7
AIN#8
AIN#9
AIN#10
AIN#11
AIN#12
AIN#13
AIN#14
AOUT#2
AOUT#3
AOUT#4
AOUT#5
AOUT#6
AOUT#7
AOUT#8
AOUT#9
AOUT#10
AOUT#11
AOUT#12
AOUT#13
AOUT#14
-DICLK_0
-DICLK_1
-DICLK_2
-DICLK_3
DOCLK#0
DOCLK#1
DOCLK#2
DOCLK#3
S2KCOMP
S2KVREF
VID#
R403
DICLK#0
DICLK#1
DICLK#2 -DICLK_2
DICLK#3 -DICLK_3
AICLK#A
VTT
E26
AIN2
A25
AIN3
E24
AIN4
A26
AIN5
C25
AIN6
D25
AIN7
C24
AIN8
C23
AIN9
D23
AIN10
D26
AIN11
E23
AIN12
A24
AIN13
B23
AIN14
B25
AINCLK
W34
AOUT2
W33
AOUT3
Y32
AOUT4
AA32
AOUT5
W32
AOUT6
AB32
AOUT7
Y34
AOUT8
AA34
AOUT9
AB34
AOUT10
AB31
AOUT11
AA31
AOUT12
W31
AOUT13
AB33
AOUT14
AA33
AOUTCLK
B28
DICLK0
F33
DICLK1
L32
DICLK2
T34
DICLK3
C28
DOCLK0
F32
DOCLK1
K32
DOCLK2
T33
DOCLK3
A23
DIVAL
A22
CFWDRST
E22
CONNECT
C22
PROCRDY
K29
HCLK+
L29
HCLK-
G30
S2KCOMP
AA30
S2KVREF0
E25
S2KVREF1
AA29
VID
10K
At The Center Between CPU & NB
7
A20
A21
B20
B21
C20
C21
D20
D21
E20
E21
F20
F21
L20
L21
L22
L23
VTT
VSS
D31
VTT
VSS
VTT
VSS
E33
E31
VTT
VTT
VTT
VTT
VSS
VSS
VSS
VSS
F27
F26
H33
-DICLK_0
-DICLK_1
AICLK# 4
M20
VTT
VSS
H31
A33
A34
B33
B34
L18
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VSS
VSS
B31
B32
VSS
VSS
VSS
VSS
D24
C31
C33
C34
L21 10n
L18 10n
L13 10n
L9 10n
L14 10n
VTT
VSS
D30
D27
VTT
VTT
VTT
VTT
VTT
VSS
VSS
VSS
VSS
A32
B30
B24
B27
L15 10n
5pC119
L10 10n
5pC114 CB112
L11 10n
5pC111
L8 10n
5pC97
L24 10n
5pC122
7
6
VCORE VCC2_5AVDD1
M21
M22
M23
M24
N23
P23
P24
R23
R24
T23
T24
U23
U24
V23
V24
W23
W24
AD29
AD30
AD31
AD32
VTT
VSS
AD33
VTT
VTT
VTT
VTT
VTT
VTT
VSS
VSS
VSS
VSS
VSS
VSS
B22
Y33
Y31
Y30
W30
D22
AC34
CB99
0.1u
N24
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VTT
VSS
VSS
VSS
VSS
VSS
VSS
VSS
H29
VSS
L33
L31
J29
M30
N30
P33
P31
VTT
VSS
VSS
VSS
VSS
VSS
VSS
VSS
P30
P29
R30
R29
T30
T29
U33
U31
VCORE VCC2_5
CB94
CB101
0.1u
0.1u
VTT
VSS
AD34
VTT
VSS
AC33
AE29
AC32
VTT
VSS
AE30
VTT
VSS
AC31
CB106
0.1u
AE31
VTT
VSS
AC30
AE32
VTT
VSS
AC29
AE33
5
H30
AE34
L19
M19
VTT
VTT
VTT
VTT
AGND1
F30
L30
CB104
0.1u
Solder Side
6
5
K30
VTS2K
VSS2K
NB1A
G29
VDS2K
AVDD1
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
D20
D21
D22
D23
D24
D25
D26
D27
D28
D29
D30
D31
D32
D33
D34
D35
D36
D37
D38
D39
D40
D41
D42
D43
D44
D45
D46
D47
D48
D49
D50
D51
D52
D53
D54
D55
D56
D57
D58
D59
D60
D61
D62
D63
VIA-KT400
CB108
0.1u
A27
E29
A29
B29
A30
C29
C30
A31
C27
E27
C26
E28
A28
D28
B26
D29
D32
D34
E30
H32
J34
F31
G31
H34
C32
D33
G34
E34
E32
F34
G32
G33
J30
K31
M31
M32
N31
N34
M34
N33
J32
J31
J33
K34
L34
K33
N32
M33
R31
V32
V33
T32
V34
U34
V31
V30
P34
P32
R34
R33
R32
U30
T31
U32
CB107
0.1u
SDATA#0
SDATA#1
SDATA#2
SDATA#3
SDATA#4
SDATA#5
SDATA#6
SDATA#7
SDATA#8
SDATA#9
SDATA#10
SDATA#11
SDATA#12
SDATA#13
SDATA#14
SDATA#15
SDATA#16
SDATA#17
SDATA#18
SDATA#19
SDATA#20
SDATA#21
SDATA#22
SDATA#23
SDATA#24
SDATA#25
SDATA#26
SDATA#27
SDATA#28
SDATA#29
SDATA#30
SDATA#31
SDATA#32
SDATA#33
SDATA#34
SDATA#35
SDATA#36
SDATA#37
SDATA#38
SDATA#39
SDATA#40
SDATA#41
SDATA#42
SDATA#43
SDATA#44
SDATA#45
SDATA#46
SDATA#47
SDATA#48
SDATA#49
SDATA#50
SDATA#51
SDATA#52
SDATA#53
SDATA#54
SDATA#55
SDATA#56
SDATA#57
SDATA#58
SDATA#59
SDATA#60
SDATA#61
SDATA#62
SDATA#63
4
S2KCOMP
SDATA#[0:63] 4AIN#[2:14]4
POWER/GROUND FOR
INTERNAL CPU CLOCK LOGIC
AVDD1
CP16
X_COPPER
VCC2_5
CB57
0.1u
CB17
0.1u
CB50
0.1u
CB16
0.1u
CB96
0.01u
CB45
0.1u
VCORE
CB33
0.1u
S2KVREF
Solder
CB116
CB102
CB97
0.1u
0.1u
4
0.1u
0.1u
R105 300
VCC2_5
FB1
X_300
CB90
0.01u
Solder
CB92
0.01u
CB98
0.1u
CB46
0.1u
CB21
0.1u
VCORE
CB115
0.1u
3
R405
100
R404
100
3
CB38
0.1u
CB93
0.1u
Solder
CB111
0.1u
CB39
0.1u
CB22
0.01u
CB113
0.1u
2
NB1D
Y29
VDD
W29
VDD
V29
VDD
U29
VDD
N29
VDD
M29
VDD
F29
VDD
F28
VDD
F25
VDD
F24
VDD
F23
VDD
F22
VDD
F16
VDD
F15
VDD
E16
VDD
E15
VDD
D16
VDD
D15
VDD
C16
VDD
C15
VDD
B16
VDD
B15
VDD
A16
VDD
A15
VDD
A17
VDD
B17
VDD
C17
VDD
D17
VDD
E17
VDD
F17
VDDQ
VCCM
VDD
L13
VCC1
L14
VCC1
M13
VCC1
M14
VCC1
L16
VCC1
L15
VCC1
M16
VCC1
M15
VCC1
T12
VCC1
T11
VCC1
R12
VCC1
R11
VCC1
P12
VCC1
P11
VCC1
N12
VCC1
N11
VCC1
M12
VCC1
M11
VCC1
L12
VCC1
Y23
VCC3
Y24
VCC3
AD23
VCC3
AD22
VCC3
AD21
VCC3
AD20
VCC3
AD19
VCC3
AD18
VCC3
AD17
VCC3
AD16
VCC3
AD15
VCC3
AD14
VCC3
AD13
VCC3
AD12
VCC3
AC24
VCC3
AC23
VCC3
AC22
VCC3
AC21
VCC3
AC20
VCC3
AC19
VCC3
AC18
VCC3
AC17
VCC3
AC16
VCC3
AC15
VCC3
AC14
VCC3
AC13
VCC3
AC12
VCC3
AC11
VCC3
AB24
VCC3
AB23
VCC3
AB12
VCC3
AB11
VCC3
AA24
VCC3
AA23
VCC3
AA12
VCC3
AA11
VCC3
Y12
VCC3
Y11
VCC3
Title
KT400 - 1
Size Document Number Rev
Date: Sheet of
2
U11
VCC2
U12
VCC2
V11
VCC2
V12
VCC2
W11
VCC2
W12
VCC2
B19
VSS
B18
VSS
L17
VSS
M17
VSS
AA21
VSS
AA20
VSS
AA19
VSS
AA18
VSS
AA17
VSS
AA16
VSS
AA15
VSS
AA14
VSS
Y21
VSS
Y20
VSS
Y19
VSS
Y18
VSS
Y17
VSS
Y16
VSS
Y15
VSS
Y14
VSS
W21
VSS
W20
VSS
W19
VSS
W18
VSS
W17
VSS
W16
VSS
W15
VSS
W14
VSS
V21
VSS
V20
VSS
V19
VSS
V18
VSS
V17
VSS
V16
VSS
V15
VSS
V14
VSS
U21
VSS
U20
VSS
U19
VSS
U18
VSS
U17
VSS
U16
VSS
U15
VSS
U14
VSS
T21
VSS
T20
VSS
T19
VSS
T18
VSS
T17
VSS
T16
VSS
T15
VSS
T14
VSS
R21
VSS
R20
VSS
R19
VSS
R18
VSS
R17
VSS
R16
VSS
R15
VSS
R14
VSS
P21
VSS
P20
VSS
P19
VSS
P18
VSS
P17
VSS
P16
VSS
P15
VSS
P14
VSS
F19
VSS
F18
VSS
E19
VSS
E18
VSS
D19
VSS
D18
VSS
C19
VSS
C18
VSS
A19
VSS
A18
VSS
VIA-KT400
MICRO-STAR INT'L CO.,LTD.
MS-6716
1
VCC2_5VCC2_5
6 32Monday, December 23, 2002
1
200
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg7.png)
8
7
6
5
4
3
2
1
POWER FOR DRAM CLCOK
DESKEW CIRCUIT
AVDD2
X_COPPER
CP17
VCCM
FB2
X_300
CB91
1u
Solder
POWER FOR DDR DLL CIRCUIT
AVDD3
X_COPPER
CP18
Solder
VCCM
FB3
X_300
CB95
1u
SSTL_2 RECEIVER VREF FOR DDR
VCCM
R100
MVREF0
CB31
1000p
CB30
X_1000p
1K
R99
1K
Solder
RMA0
RMA1
RMA2
RMA3
RMA4
RMA5
RMA6
RMA7
RMA8
RMA9
RMA10
RMA11
RMA12
RMA13
RMA14
RMA15
RSRAS#
RSCAS#
RSWE#
C360X_33p
C359X_33p
C358X_33p
C357X_33p
C356X_33p
C354X_33p
C355X_33p
C352X_33p
C353X_33p
C351X_33p
C361X_33p
C363X_33p
C362X_33p
C350X_33p
C348X_33p
C370X_33p
C365X_33p
C367X_33p
C366X_33p
Solder
AG6
VCC3
VSS
AJ26
AH1
VCC3
VSS
AJ27
VCC3
VSS
MEMORY
AH2
AH3
AH4
AH5
AH6
VCC3
VCC3
VCC3
VCC3
VCC3
VSS
VSS
VSS
VSS
VSS
AJ29
AJ30
AJ31
AJ32
AL2
AJ1
AL5
AJ2
VCC3
VSS
AL8
AJ3
VCC3
VSS
AL11
AJ4
VCC3
VSS
AL14
AJ5
VCC3
VSS
AL16
AJ6
VCC3
VSS
AL17
CB105
0.1u
AF29
VCC3
VSS
AL18
AF30
VCC3
VSS
AL19
AF31
VCC3
VSS
AL21
VCCM
AF32
VCC3
VSS
AL24
AF33
VCC3
VSS
AL27
CB109
0.1u
AF34
VCC3
VSS
AL30
AG29
VCC3
VSS
AL33
AG30
VCC3
VSS
AK16
VCC3
VSS
AG31
VCC3
VSS
AK19
AG32
VCC3
VSS
AN2
CB100
0.1u
AG33
VCC3
VSS
AN5
AG34
AN8
AH29
VCC3
VSS
AN11
AH30
VCC3
VSS
AN14
VCC3
VSS
AH31
VCC3
VSS
AN17
CB110
0.1u
AH32
VCC3
VSS
AN18
AH33
VCC3
VSS
AN21
AH34
VCC3
VSS
AN24
AN27
VSS
AJ10
VDD
VSS
AN30
CB114
0.1u
AJ11
AN33
VDD
VSS
AJ13
VDD
AJ14
VDD
AGND2
AJ33
AJ21
VDD
AGND3
AJ18
AJ22
VDD
CB103
0.1u
AJ24
VDD
AJ25
VDD
AJ34
AJ17
AVDD2
AVDD3
MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
MAA10
MAA11
MAA12
MAA13
MAA14
MAA15
MAB0
MAB1
MAB2
MAB3
MAB4
MAB5
MAB6
MAB7
MAB8
MAB9
MAB10
MAB11
MAB12
MAB13
MAB14
MAB15
MPD0/CKE0
MPD1/CKE1
MPD2/CKE2
MPD3/CKE3
MPD4/CKE4
MPD5/CKE5
MPD6/CKE6
MPD7/CKE7
DQM0
DQM1
DQM2
DQM3
DQM4
DQM5
DQM6
DQM7
DQM8
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
DCLKO
DCLKI
SRASA
SRASB
SCASA
SCASB
SWEA
SWEB
VIA-KT400
CB117
0.1u
NB1B
CS0
CS1
CS2
CS3
CS4
CS5
CS6
CS7
AM15
AM16
AM18
AM20
AK20
AL23
AK22
AL25
AK24
AK26
AK15
AL12
AL13
AL28
AK30
AL31
AL15
AK17
AP17
AM19
AL20
AL22
AK21
AK25
AK23
AL26
AK14
AK12
AK13
AK28
AL29
AL32
AN19
AP19
AN15
AP15
AP20
AN20
AP16
AN16
AL7
AK5
AK6
AM5
AL4
AK4
AL3
AK3
AM32
AP30
AP26
AM22
AM12
AN9
AL6
AM3
AM17
AM34
AM30
AN26
AM23
AM13
AP9
AP5
AM1
AP18
AK33
AK34
AL9
AL10
AK7
AK9
AK10
AK8
R103
DQM0
DQM1
DQM2
DQM3
DQM4
DQM5
DQM6
DQM7
-DQS_0
-DQS_1
-DQS_2
-DQS_3
-DQS_4
-DQS_5
-DQS_6
-DQS_7
RMA0
RMA1
RMA2
RMA3
RMA4
RMA5
RMA6
RMA7
RMA8
RMA9
RMA10
RMA11
RMA12
RMA13
RMA14
RMA15
CKE0 9,10
CKE1 9,10
CKE2 9,10
CKE3 9,10
RCS-0 9,10
RCS-1 9,10
RCS-2 9,10
RCS-3 9,10
22
RSRAS# 9,10
RSCAS# 9,10
RSWE# 9,10
DCLKO
DCLKI
RMA[15:0] 9,10
DCLKO 3
DCLKI 3
C123
X_10p_0603
C124
10p_0603
VCCM VCC2_5 AVDD2 AVDD3
AG1
AG2
AG3
AG4
AG5
D D
C C
B B
A A
MD_0
MD_1
MD_2
MD_3
MD_4
MD_5
MD_6
MD_7
MD_8
MD_9
MD_10
MD_11
MD_12
MD_13
MD_14
MD_15
MD_16
MD_17
MD_18
MD_19
MD_20
MD_21
MD_22
MD_23
MD_24
MD_25
MD_26
MD_27
MD_28
MD_29
MD_30
MD_31
MD_32
MD_33
MD_34
MD_35
MD_36
MD_37
MD_38
MD_39
MD_40
MD_41
MD_42
MD_43
MD_44
MD_45
MD_46
MD_47
MD_48
MD_49
MD_50
MD_51
MD_52
MD_53
MD_54
MD_55
MD_56
MD_57
MD_58
MD_59
MD_60
MD_61
MD_62
MD_63
-QDRRD
-QDRWR
MVREF0
GCKE
VCCM
CB40
0.1u
AK31
AM33
AN32
AP33
AK32
AL34
AN34
AP34
AP32
AM31
AM29
AM28
AN31
AP31
AN29
AP29
AN28
AP27
AM26
AP25
AP28
AM27
AM25
AN25
AM24
AN23
AP22
AM21
AP24
AP23
AN22
AP21
AM14
AN13
AP12
AM11
AP14
AP13
AN12
AP11
AN10
AP10
AM10
AK11
AK27
AJ28
AJ19
AJ12
AK29
VCC3
VCC3
VCC3
VCC3
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15
MD16
MD17
MD18
MD19
MD20
MD21
MD22
MD23
MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31
MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39
MD40
AM9
MD41
AP8
MD42
AM8
MD43
MD44
MD45
AN7
MD46
AP7
MD47
AM7
MD48
AM6
MD49
AN4
MD50
AP3
MD51
AP6
MD52
AN6
MD53
AP4
MD54
AM4
MD55
AP1
MD56
AN3
MD57
AL1
MD58
AK1
MD59
AP2
MD60
AN1
MD61
AM2
MD62
AK2
MD63
QDRRD
QDRWR
MVREF0
MVREF1
MVREF2
AJ7
MVREF3
GCKE
VSS
VSS
VSS
VSS
VSS
VSS
AJ8
AJ9
AJ15
AJ16
AJ20
AK18
AJ23
CB37
0.1u
Solder Side
8
7
6
5
4
3
Place these damping resistors close to DIMM1
MD_4
MD_0
MD_5
MD_1
MD_2
MD_6
MD_7
MD_3
MD_8
MD_9
MD_12
MD_13
MD_10
MD_15
MD_14
MD_11
MD_20
MD_16
MD_17
MD_21
MD_18
MD_19
MD_22
MD_23
MD_28
MD_24
MD_25
MD_29
MD_26
MD_30
MD_27
MD_31
MD_42
MD_43
MD_46
MD_47
MD_40
MD_44
MD_45
MD_41
MD_36
MD_32
MD_33
MD_37
MD_34
MD_38
MD_39
MD_35
MD_48
MD_49
MD_52
MD_53
MD_54
MD_50
MD_55
MD_51
MD_60
MD_56
MD_61
MD_57
MD_62
MD_58
MD_63
MD_59
-DQS_0
-DQS_1
-DQS_2
-DQS_3
-DQS_4
-DQS_5
-DQS_6
-DQS_7
DQM0
DQM1
DQM2
DQM3
DQM4
DQM5
DQM6
DQM7
-QDRRD
-QDRWR
GCKE
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
1 2
3 4
5 6
7 8
R50
R70
R79
R94
R113
R122
R141
R158
R56
R71
R81
R96
R114
R123
R139
R160
RN13
22
RN17
22
RN18
22
RN25
22
RN29
22
RN33
22
RN36
22
RN38
22
RN52
22
RN49
22
RN44
22
RN47
22
RN54
22
RN57
22
RN59
22
RN63
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
R124 4.7K
R406 X_4.7K
R407 X_4.7K
RMD4
RMD0
RMD5
RMD1
RMD2
RMD6
RMD7
RMD3
RMD8
RMD9
RMD12
RMD13
RMD10
RMD15
RMD14
RMD11
RMD20
RMD16
RMD17
RMD21
RMD18
RMD19
RMD22
RMD23
RMD28
RMD24
RMD25
RMD29
RMD26
RMD30
RMD27
RMD31
RMD42
RMD43
RMD46
RMD47
RMD40
RMD44
RMD45
RMD41
RMD36
RMD32
RMD33
RMD37
RMD34
RMD38
RMD39
RMD35
RMD48
RMD49
RMD52
RMD53
RMD54
RMD50
RMD55
RMD51
RMD60
RMD56
RMD61
RMD57
RMD62
RMD58
RMD63
RMD59
RDQS0
RDQS1
RDQS2
RDQS3
RDQS4
RDQS5
RDQS6
RDQS7
RDQM0
RDQM1
RDQM2
RDQM3
RDQM4
RDQM5
RDQM6
RDQM7
VCCM
RMD[63:0] 9,10
RDQS[7:0] 9,10
RDQM[7:0] 9,10
Solder
Title
KT400 - 2
Size Document Number Rev
Date: Sheet of
2
MICRO-STAR INT'L CO.,LTD.
MS-6716
7 32Monday, December 23, 2002
1
200
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg8.png)
8
7
6
5
4
3
2
1
R6
VCC1
VCC25SBY
Y4
PWROK
RESET
SUS_ST
TESTIN
NMI
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VDD
VCC2
VCC2
VCC2
VCC2
VCC2
VCC2
VCC2
VCC2
VCC2
VCC2
VCC2
VCC2
VD0
VD1
VD2
VD3
VD4
VD5
VD6
VD7
VBE
VPAR
LVREF
LCOMPP
UPCMD
DNCMD
DNSTB
DNSTB
UPSTB
UPSTB
NB1C
VSUS25
AB4
AA5
AB5
AB29
AB30
F11
F12
F13
F14
G6
H6
L6
M6
V6
W6
Y6
AA6
AC1
AC2
AC3
AC4
AC5
AC6
AD1
AD2
AD3
AD4
AD5
AD6
V3
V1
AA3
AA1
U1
U3
AB2
AB1
W2
U2
W4
Y5
AB3
Y3
W1
W3
Y1
Y2
-TESTIN
NMI_NB
LVREF_NB
LCOMPP
PWRGD_NB 12,13
PCIRST1# 23,27
SUSST# 13
VCC2_5
VLAD0 12
VLAD1 12
VLAD2 12
VLAD3 12
VLAD4 12
VLAD5 12
VLAD6 12
VLAD7 12
-VBE 12
VPAR 12
UPCMD 12
DNCMD 12
DNSTB+ 12
DNSTB- 12
UPSTB+ 12
UPSTB- 12
VLINK
1. VLINK REFERENCE VOLTAGE - 0.9V
VCC2_5
CB49
R164
X_0.1u
LVREF_NB
CB48
0.01u
2. VLINK P-CHANNEL COMPENSATION
LCOMPP
R152 360
-TESTIN
R118 4.7K
PIPE#
R142 X_0
NMI_SB12
3K
R163
1K
VCC2_5
VDDQ
R60 0
AGP
1. AGPVREF (PROVIDED BY AGP 4X CARD OR BY
SYSTEM FOR OTHERS)
AVREFGC
2. AGPNCOMP : AGP N-CHANNEL COMPENSATION
AGPNCOMP
R154 60.4
3. AGP POWER
VDDQ
C153
C203
1u-0805
1u-0805
VDDQ
C369
C368
0.1u
0.1u
Solder Side
NMI 4
C150
0.1u
C179
0.1u
VDDQ
CB52
0.1u
C142
0.1u
CB56
0.01u
CB47
0.1u
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VDDQ
VCC1
VCC1
VCC1
VCC1
VCC1
N1N2N3
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
VCC1
AGP,VLINK
J6
A10
B14
A14
A13
C14
A11
C11
C10
B11
B12
A12
E10
D11
E11
E14
D14
E12
C13
D12
C12
F10
M1
K2
K1
K3
J1
J2
J3
F1
G3
F2
F3
E1
D1
D2
D3
C5
D6
A4
B5
A5
E7
B6
A6
B8
A8
D8
C8
A9
C9
B9
H1
B1
A3
A7
G2
G1
C6
C7
E8
E9
E3
F4
G4
H3
L3
D9
J4
M2
K5
J5
L1
VCCQQ
GD0
GD1
GD2
GD3
GD4
GD5
GD6
GD7
GD8
GD9
GD10
GD11
GD12
GD13
GD14
GD15
GD16
GD17
GD18
GD19
GD20
GD21
GD22
GD23
GD24
GD25
GD26
GD27
GD28
GD29
GD30
GD31
SBA0
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7
C/BE0
C/BE1
C/BE2
C/BE3
AD_STBF0
AD_STBS0
AD_STBF1
AD_STBS1
SB_STBF
SB_STBS
DBIH
DBIL
GFRAME
GIRDY
GTRDY
GDEVSEL
GSTOP
GPAR
PIPE
RBF
WBF
GREQ
GGNT
GSERR
AGP8XDET
ST0
ST1
ST2
GCLK
AGPCOMP
AGPVREF0
AGPVREF1
D D
C C
B B
AAD[31:0]11
SBA[7:0]11
DBIH_PIPE11
AAD0
AAD1
AAD2
AAD3
AAD4
AAD5
AAD6
AAD7
AAD8
AAD9
AAD10
AAD11
AAD12
AAD13
AAD14
AAD15
AAD16
AAD17
AAD18
AAD19
AAD20
AAD21
AAD22
AAD23
AAD24
AAD25
AAD26
AAD27
AAD28
AAD29
AAD30
AAD31
SBA0
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7
ACBE#011
ACBE#111
ACBE#211
ACBE#311
ADSTB011
ADSTB#011
ADSTB111
ADSTB#111
SBSTB11
SBSTB#11
DBIL11
AFRAME#11
AIRDY#11
ATRDY#11
ADEVSEL#11
ASTOP#11
APAR11
PIPE#
RBF#11
WBF#11
AREQ#11
AGNT#11
ASERR11
AGP8X#11
ST011
ST111
ST211
AGPCLK03
AGPNCOMP
AVREFGC11
A1A2B2B3C2C3C4D4D5E5E6F5F6F7F8N4N5N6P1P2P3P4P5P6R1R2R3R4R5
VCC1
VCC1
VCC1
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSSQQ
VSS
B4B7B10
B13C1D7
D10
D13E2E4
K6
T1
A A
8
E13F9G5H2H4H5K4L2L5M3T2T3T4T5T6U4U5U6V2V4V5W5AA2
7
VSS
VSS
VSS
L4
M4
M5
6
AA4
AB6
AE1
AE2
AE3
AE4
AE5
VSS
AE6
AF1
AF2
AF3
AF4
AF5
AF6
VIA-KT400
Title
KT400 - 3
Size Document Number Rev
5
4
3
Date: Sheet of
2
MICRO-STAR INT'L CO.,LTD.
MS-6716
8 32Monday, December 23, 2002
1
200
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bg9.png)
8
7
6
5
4
3
2
1
VCCMVCCM
VDDQ
VSS
VDDQ
VSS
VDDQ
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
VREF
VDDID
VSS
VDDQ
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
WP
SCL
SDA
SA0
SA1
SA2
VSS
15223054627796
VDDQ
VSS
3111826344250586674818993
VDDQ
VSS
DIMM2
RMD0
2
RMD1
4
RMD2
6
RMD3
8
94
95
98
99
12
13
19
20
105
106
109
110
23
RMD17
24
RMD18
28
RMD19
31
RMD20
114
RMD21
117
RMD22
121
123
33
35
39
40
126
127
131
RMD31
133
RMD32
53
55
57
60
146
147
150
151
61
RMD41
64
RMD42
68
RMD43
69
RMD44
153
RMD45
155
RMD46
161
RMD47
162
RMD48
72
RMD49
73
RMD50
79
RMD51
80
RMD52
165
166
170
RMD55
171
RMD56
83
RMD57
84
RMD58
87
88
174
175
RMD62
178
179
1
82
90
92
91
181
182
183
DIMM-D184-BK
RMD53
RMD54
R168 4.7K
WP
SMBCLK
SMBDAT
DIMM DECOUPLING
VCCM
CB42
0.1u
CB36
0.1u
CB44
0.1u
CB35
0.1u
CB15
0.1u
CB11
0.1u
CB32
0.1u
CB18
0.1u
CB29
0.1u
CB28
0.1u
VCC3
SMBCLK 3,13,27
SMBDAT 3,13,27
VCC3
DIMM1
VDDQ
VSS
VDDQ
VSS
VDDQ
VSS
VDDQ
VSS
VDDQ
VDDQ
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39
DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47
DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55
DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63
VREF
VDDID
VSS
VSS
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
SDA
WP
SCL
SA0
SA1
SA2
VDDQ
VSS
15223054627796
VDDQ
RMD0
2
RMD1
4
RMD2
6
RMD3
8
RMD4
94
RMD5
95
RMD6
98
RMD7
99
RMD8
12
RMD9
13
RMD10
19
RMD11
20
RMD12
105
RMD13
106
RMD14
109
RMD15
110
RMD16
23
RMD17
24
RMD18
28
RMD19
31
RMD20
114
RMD21
117
RMD22
121
RMD23
123
RMD24
33
RMD25
35
RMD26
39
RMD27
40
RMD28
126
RMD29
127
RMD30
131
RMD31
133
RMD32
53
RMD33
55
RMD34
57
RMD35
60
RMD36
146
RMD37
147
RMD38
150
RMD39
151
RMD40
61
RMD41
64
RMD42
68
RMD43
69
RMD44
153
RMD45
155
RMD46
161
RMD47
162
RMD48
72
RMD49
73
RMD50
79
RMD51
80
RMD52
165
RMD53
166
RMD54
170
RMD55
171
RMD56
83
RMD57
84
RMD58
87
RMD59
88
RMD60
174
RMD61
175
RMD62
178
RMD63
179
DDRVREF DDRVREF
1
82
90
92
SMBDAT
91
181
182
183
VSS
DIMM-D184-BK
3111826344250586674818993
RMD[63:0] 7,10
RCS-27,10
RCS-37,10
CKE27,10
CKE37,10
DDRCLK33
DDRCLK13
DDRCLK53
DDRCLK-33
DDRCLK-13
DDRCLK-53
VCC3
120
VDD
148
VDD
168
VDD
184
RMA0
RMA1
RMA2
RMA3
RMA4
RMA5
RMA6
RMA7
RMA8
RMA9
RMA10
RMA13
RMA14
RMA11
RMA12
RDQM0
RDQM1
RDQM2
RDQM3
RDQM4
RDQM5
RDQM6
RDQM7
RDQS0
RDQS1
RDQS2
RDQS3
RDQS4
RDQS5
RDQS6
RDQS7
RCS-2 RMD63
RCS-3
48
43
41
130
37
32
125
29
122
27
141
118
115
167
59
52
113
97
107
119
129
149
159
169
177
140
14
25
36
56
67
78
86
47
44
45
49
51
134
135
142
144
10
101
102
173
103
154
65
63
157
158
71
163
21
111
137
16
76
138
17
75
VDDSPD
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
BA0
BA1
BA2
DM0
DM1
DM2
DM3
DM4
DM5
DM6
DM7
DM8
5
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7
9
NC
NC(RESET#)
NC
NC
NC
NC(FETEN)
RAS#
CAS#
WE#
S0#
S1#
NC(S2#)
NC(S3#)
CKE0
CKE1
CK0
CK1
CK2
CK0#
CK1#
CK2#
176
104
112
128
136
143
156
164
172
180738467085108
VDD
VDD
VDD
VDD
VDD
120
148
168
184
48
43
41
130
37
32
125
29
122
27
141
118
115
167
59
52
113
97
107
119
129
149
159
169
177
140
14
25
36
56
67
78
86
47
44
45
49
51
134
135
142
144
10
101
102
173
103
154
65
63
157
158
71
163
21
111
137
16
76
138
17
75
VDD
VDD
VDD
VDDSPD
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
BA0
BA1
BA2
DM0
DM1
DM2
DM3
DM4
DM5
DM6
DM7
DM8
5
DQS0
DQS1
DQS2
DQS3
DQS4
DQS5
DQS6
DQS7
DQS8
CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7
9
NC
NC(RESET#)
NC
NC
NC
NC(FETEN)
RAS#
CAS#
WE#
S0#
S1#
NC(S2#)
NC(S3#)
CKE0
CKE1
CK0
CK1
CK2
CK0#
CK1#
CK2#
VDD
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
VDDQ
addr =
1010000b
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
160
176
100
116
124
132
139
145
152
D D
RMA[15:0]7,10
RDQM[7:0]7,10
C C
RDQS[7:0]7,10
VCC3
RMA0 RMD4
RMA1 RMD5
RMA2 RMD6
RMA3 RMD7
RMA4 RMD8
RMA5 RMD9
RMA6 RMD10
RMA7 RMD11
RMA8 RMD12
RMA9 RMD13
RMA10 RMD14
RMA13 RMD15
RMA14 RMD16
RMA15 RMA15
RMA11
RMA12
RDQM0 RMD23
RDQM1 RMD24
RDQM2 RMD25
RDQM3 RMD26
RDQM4 RMD27
RDQM5 RMD28
RDQM6 RMD29
RDQM7 RMD30
RDQS0 RMD33
RDQS1 RMD34
RDQS2 RMD35
RDQS3 RMD36
RDQS4 RMD37
RDQS5 RMD38
RDQS6 RMD39
RDQS7 RMD40
VCCM
CB8
R40
X_0.01u
1K
R42
1K
B B
DDRVREF
CB12
CB9
0.01u
0.01u
RSRAS# RSRAS# RMD59
RSRAS#7,10
RSCAS# RSCAS# RMD60
RSCAS#7,10
RSWE# RSWE# RMD61
RSWE#7,10
RCS-07,10
RCS-17,10
CKE0 WP CKE2
CKE07,10
CKE1 SMBCLK CKE3
CKE17,10
DDRCLK23
DDRCLK03
DDRCLK43
DDRCLK-23
DDRCLK-03
DDRCLK-43
VDD
VSS
172
180738467085108
VDD
VDD
VDD
VDD
VDD
VDDQ
VSS
VSS
VSS
VSS
VSS
VSS
116
124
132
139
145
152
160
164
VDDQ
VSS
100
143
156
VDDQ
VDDQ
addr =
1010001b
VSS
VSS
136
VDDQ
VSS
128
VDDQ
VSS
112
VDDQ
VSS
104
VDDQ
VSS
VDDQ
VSS
VDDQ
VSS
A A
Title
DDR1 & DDR2
Size Document Number Rev
8
7
6
5
4
3
Date: Sheet of
2
MICRO-STAR INT'L CO.,LTD.
MS-6716
9 32Monday, December 16, 2002
1
200
![](/html/23/23e5/23e5adc647e42759ddff1ce1ac462cd12ad8e5fab2efe2de90f160678f50b1f3/bga.png)
8
7
6
5
4
3
2
1
SSTL-2 Termination Resistors
RMD[63:0] 7,9
RDQM[7:0] 7,9
RDQS[7:0] 7,9
RMA[15:0] 7,9
D D
RMD1
RMD5
RMD4
RMD0
RMD6
RMD2
RDQM0
RDQS0
RMD9
RMD8
RMD3
RMD7
RDQM1
RDQS1
RMD13
RMD12
RMD11
RMD10
RMD15
C C
B B
RMD14
RDQM2
RMA13
RDQS2
RMD21
RMD17
RMA14
RMD16
RMD20
RMA5
RMD23
RMD19
RMA8
RMD31
RMD26
RMA3
RMD30
RMA4
RDQS3
RDQM3
RMD29
RMA7
RMD22
RMD18
RMA9
RMD25
RMD28
RMD24
RMA6
RMA0
RMA1
RMA2
RMD27
RMD39
RMA11
RMD38
RMD34
RN9 33
RN12 33
RN15 33
RN16 33
RN19 33
RN28 33
RN26 33
RN34 33
RN39 33
RN37 33
RN32 33
RN35 33
RN40 33
RN45 33
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
MD/DQM(/DQS)
MA/Control
CS
CKE
RSRAS#7,9
RCS-17,9
RCS-37,9
RCS-27,9
RSCAS#7,9
RCS-07,9
RSWE#7,9
CKE17,9
CKE37,9
CKE07,9
CKE27,9
SDR
LV-CMOS
LV-CMOS
LV-CMOS
OD 3.3V OD 2.5V
RMD36
RMD32
RMA12
RMA10
RDQM4
RDQS4
RMD37
RMD33
RSRAS#
RMD44
RMD40
RMD35
RMD49
RMD48
RMD47
RMD43
RN41 33
RN42 33
RN46 33
RN53 33
RN50 33
RMA15
RMD53
RMD52
RMD50
RMD54
RDQS6
RDQM6
RMD59
RMD63
RMD58
RMD62
RMD56
RMD60
RMD51
RMD55
RDQS7
RDQM7
RMD57
RMD61
RMD46
RMD42
RDQS5
RDQM5
RMD41
RMD45
RSWE#
RN55 33
RN56 33
RN62 33
RN58 33
RN61 33
RN51 33
RN48 33
RN21 33
DDR
Rs
SSTL-2
0/10/- 47
SSTL-2
10
SSTL-2
0
DDR_VTT
DDR_VTT
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
12
34
56
78
78
56
34
12
Rs
10
0
0
10u_0805
10u_0805
10u_0805
10u_0805
CB41
CB19
CB43
CB10
Rtt
47
47
DDR_VTT DDR_VTTDDR_VTT
CN6
0.1u
CN18
0.1u
CN16
0.1u
CN3
0.1u
CN13
0.1u
CN8
0.1u
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
CN12
0.1u
CN20
0.1u
CN19
0.1u
CN4
0.1u
CN17
0.1u
CN14
0.1u
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
7
8
5
6
3
4
1
2
A A
Title
DDR TERMINATOR
Size Document Number Rev
8
7
6
5
4
3
Date: Sheet of
2
MICRO-STAR INT'L CO.,LTD.
MS-6716
10 32Monday, December 16, 2002
1
200