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8 7 6 5 4 3 2 1
MS-6580 Version 20
Title Page
D D
Cover Sheet 1
INTEL (R) Brookdale-G Chipset
Block Diagram 2
Willamette/Northwood 478pin mPGA-B Processor Schematics
Voltage Distribution 3
CPU: mPGA478-B INTEL CPU Sockets 4-5
Willamette/Northwood mPGA-478B Clock ICS950218AF 6
Processor INTEL Brookdale-G GMCH -- North Bridge 7-9
DDR DIMM1&2 and DDR Terminator Resistor 10-11
System Brookdale-G INTEL ICH4 -- South Bridge 12-13
Chipset: ATA100 IDE 1& 2 14
C INTEL GMCH (North Bridge) AGP Slot 15 C
+ INTEL ICH4 (South VGA Connector 16
Bridge) LPC I/O -- W83627HF-AW 17
PCI SLOT 1 & 2 & 3 18
On Board Chipset:
PCI SLOT 4 & 5 & 6 19
BIOS -- FWH & CNR 20
FWH USB Connectors 21
AC'97 Codec ALC201A & Connectors 22-23
AC'97 Codec -- IO Connectors 24
ALC201A FAN & 1.5V Votlage Regulator 25
B B
W83302D ACPI Controller 26
LPC Super I/O -- VRM9.9 -- CPU Power 27
W83627HF-AW D_LED & OVER VOLTAGE 28
Front Panel & ATX Connectors 29
Clock Generation -- INTEL 82562ET LAN 30
ICS950218AF Manual Parts 31
General SPEC 32
LAN -- INTEL REVISION AND HISTORY 33
82562ET LAN
A A
Expansion Slots:
PCI2.2 SLOT * 6 MSI MICRO-STAR INT'L CO.,LTD.
Title
Cover Sheet
Size Document Number Rev
20
MS-6580
Date: Monday, June 10, 2002 Sheet 1 of 33
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
D
BLOCK DIAGRAM D
Processor 478-PIN P4 PROCESSOR CK_408
VR
ADDR
CTRL
DATA
AGTL+ BUS
ADDR
CTRL
DATA
VGA
Connector
GMCH DDR266
Modules
C BROOKDALE-G C
AGP PCI CONN 4
Connector
PCI CONN 5
PCI CONN 6
IDE Primary
UDMA/100
PCI CONN 1
PCI CONN 2
PCI CONN 3
IDE Secondary PCI CNTRL
ICH4
PCI ADDR/DATA
USB PORT 1-6 USB
USB2.0
AC'97
LAN
B B
CNR
Connector
AC'97 LINK
FirmWare Hub
AC'97
CODEC
SIO
Keyboard
Floppy Game Port Serial 1 Serial 2 Parallel
A A
Mouse
MSI MICRO-STAR INT'L CO.,LTD.
Title
Block Diagram
Size Document Number Rev
20
MS-6580
Date: Monday, June 10, 2002 Sheet 2 of 33
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
Power Delivery Map
ATX P/S
with 1A Stby current
Processor
5VSB 5V 3.3V 12V -12V
+/-5% +/-5% +/-5% +/-5% +/-10% VCCVID
BG GMCH
D VID voltage 1.2V D
regulator 30mA VccCORE
1.5V
VccCORE/Vtt
2.46A
1.15V-1.75V
VRM 9/0 60A VccAGP
1.5V
370mA
VccHI
1.5V
1.5V regulator
90mA
VttFSB
2.5V regulator 1.15V-1.75V
2.4A
2.5V Standby VccSM
regulator 2.5V
2.8A
VccGPIO
C 3.3V C
1.25V regulator 30mA
Memory Vcca_DAC
1.5V
Vdd/Vddq 65mA
2.5V
5.92A
ICH4
1.5V Standby Vtt
regulator 1.25V
VccCORE
2.1A 1.5V
970mA
VccHI
1.5V
90mA
Vccsus1_5
1.5V
3.3V Standby 85mA
regulator
V_CPU_IO
B 1.15V-1.75V B
45mA
Vcc3_3
3.3V
610mA
Vccsus3_3
3.3V
70mA
CK-408
Vcc
3.3V
280mA
LPC Super I/O
Vdd
3.3V
25mA
A A
CNR Connector PCI Slot (per slot) AGP Slot FWH
USB
5V 1.0A 5V 5.0A 5V 2.0A Vdd
3.3V 1.0A 3.3V 7.6A 3.3V 6.0A Vdd 3.3V MSI MICRO-STAR INT'L CO.,LTD.
12V 0.5A 12V 0.5A 12V 1.0A 5V 67mA
3.3Vaux 1.0A 3.3Vaux 0.375A 3.3Vaux 0.375A 2.0A
Title
-12V 0.1A -12V 0.1A 1.5V 2.0A Power Delivery Map
5VDual 0.5A
Size Document Number Rev
20
MS-6580
Date: Monday, June 10, 2002 Sheet 3 of 33
8 7 6 5 4 3 2 1
8 7 6 5 4 3 2 1
CPU SIGNAL BLOCK CPU GTL REFERNCE VOLTAGE BLOCK
7 HA#[31..3]
VID[4..0] 28
HA#28
HA#18
1
0
9
7
6
5
4
3
2
1
0
9
7
6
5
4
3
2
1
0
HA#3
HA#3
HA#2
HA#2
HA#2
HA#2
HA#2
HA#2
HA#2
HA#2
HA#2
HA#1
HA#1
HA#1
HA#1
HA#1
HA#1
HA#1
HA#1
HA#1
HA#9
HA#7
HA#6
HA#5
HA#4
HA#3
VID4
VID3
VID2
VID0
HA#8
VCCP
VID1
R73
AD26
AC26
AE25
D D
AB1
AE1
AE2
AE3
AE4
AE5
W2
W1
M1
M4
M3
M6
T5
T4
T2
T1
U4
R6
U3
U1
R3
R2
N5
N4
N2
N1
2/3*Vccp 49.9_1%
Y1
V3
V2
P6
P4
P3
K1
K4
K2
A5
A4
L2
L3
L6
U4A GTLREF
A35#
A34#
A33#
A32#
A31#
A30#
A29#
A28#
A27#
A26#
A25#
A24#
A23#
A22#
A21#
A20#
A19#
A18#
A17#
A16#
A15#
A14#
A13#
A12#
A11#
A10#
DBR#
A9#
A8#
A7#
A6#
A5#
A4#
A3#
VCC_SENSE
VID4#
VID3#
VID2#
VID1#
VID0#
VSS_SENSE
ITP_CLK1
ITP_CLK0
C40 C41 R72
7 HINV#[3..0] HINV#0 E21 220p 1u-0805 100_1%
HINV#1 G25 DBI0# AA21 GTLREF
HINV#2 P26 DBI1# GTLREF3 AA6
HINV#3 V21 DBI2# GTLREF2 F20
DBI3# GTLREF1 F6
AC3 GTLREF0
V6 IERR# AB4 BPM#5
B6 MCERR# BPM5# AA5 BPM#4
12 FERR# Y4 FERR# BPM4# Y6 BPM#3
12 STPCLK# STPCLK# BPM3# BPM#2
AA3 AC4
HINIT# W5 BINIT# BPM2# AB5
12 HINIT# AB2 INIT# BPM1# AC6 Every pin put one 220pF cap near
RSP# BPM0# it.
7 HDBSY# H5 H3 HREQ#4 HREQ#[0..4] 7 Trace Width 7mils, Space
H2 DBSY# REQ4# J3 HREQ#3
7 HDRDY# DRDY# REQ3#
7 HTRDY# J6 J4 HREQ#2 10mils.
TRDY# REQ2# K5 HREQ#1
G1 REQ1# J1 HREQ#0
Keep the voltage divider within
7 HADS# G4 ADS# REQ0# 1.5" of the GETREF pin.
7 HLOCK# LOCK#
7 HBNR# G2 AD25
F3 BNR# TESTHI12 A6 R45 49.9_1%
7 HIT# E3 HIT# TESTHI11 Y3
7 HITM# HITM# TESTHI10 R43 49.9_1%
7 HBPRI# D2 W4
E2 BPRI# TESTHI9 U6
C 7 HDEFER# C
DEFER# TESTHI8 AB22
ITP_TDI C1 TESTHI7 AA20 CPU STRAPPING RESISTORS
ITP_TDO D5 TDI TESTHI6 AC23 R77 49.9_1%
ITP_TMS F7 TDO TESTHI5 AC24 VCCP
ITP_TRST# E6 TMS TESTHI4 AC20
ITP_TCK D4 TRST# TESTHI3 AC21 RN5
B3 TCK TESTHI2 AA2 R42 49.9_1% BPM#5 1 2
17 CPU_TMPA C4 THERMDA TESTHI1 AD24 R76 49.9_1% BPM#4 3 4 VCCP
17 VAGND THERMDC TESTHI0 BPM#3
12 TRMTRIP# A2 5 6
AF26 THERMTRIP# AF23 BPM#2 7 8
PROCHOT# C3 GND/SKTOCC# BCLK1# AF22 CPUCLK# 6
13 PROCHOT# PROCHOT# BCLK0# CPUCLK 6
12 IGNNE# B2 56
B5 IGNNE# F4 HRS#2
12 HSMI# C6 SMI# RS2# G5 HRS#1 HRS#[2..0] 7
12 A20M# AB26 A20M# RS1# F1 HRS#0
12 SLP# SLP# RS0# ALL COMPONENTS CLOSE TO CPU
A22 V5
A7 RESERVED0 AP1# AC1 PROCHOT# R23 62
RESERVED1 AP0# VCCP
AD2 H6 HBR#0 HBR#0 7 CPU_GD R79 300
AD3 RESERVED2 BR0# with in HBR#0 R36 51
AE21 RESERVED3 P1 R37 51.1_1% CPURST# R78 51
RESERVED4 COMP1 R75 51.1_1%
1"~2" HINIT# R44 X300
AF24 L24 * Short trace
AF25 RESERVED5 COMP0
RESERVED6 L25
AD6 DP3# K26
6,7 BSEL0 BSEL0 DP2#
AD5 K25
BSEL1 DP1# J26
CPU_GD AB23 DP0#
B 13 CPU_GD PWRGOOD ITP_TDI R19 150 B
R5 HADSTB#1 7 VCCP
CPURST# AB25 ADSTB1# L5
7 CPURST# RESET# ADSTB0# W23 HADSTB#0 7 ITP_TDO R16 75
DSTBP3# HDSTBP#3 7
7 HD#[63..0] HD#63 AA24 P23 HDSTBP#2 7
HD#62 AA22 D63# DSTBP2# J23 ITP_TMS R17 39
HD#61 AA25 D62# DSTBP1# F21 HDSTBP#1 7
HD#60 Y21 D61# DSTBP0# W22 HDSTBP#0 7 ITP_TRST# R18 680
HD#59 D60# DSTBN3# HDSTBN#3 7
Y24 R22 HDSTBN#2 7
HD#58 Y23 D59# DSTBN2# K22 ITP_TCK R15 27
HD#57 W25 D58# DSTBN1# E22 HDSTBN#1 7
HD#56 D57# DSTBN0# HDSTBN#0 7
Y26
HD#55 W26 D56# E5
HD#54 V24 D55# LINT1/NMI D1 NMI 12
D54# LINT0/INTR INTR 12
U21 D53#
V25 D52#
U23 D51#
U24 D50#
U26 D49#
T23 D48#
T22 D47#
T25 D46#
T26 D45#
R24 D44#
R25 D43#
P24 D42#
R21 D41#
N25 D40#
N26 D39#
M26 D38#
N23 D37#
M24 D36#
P21 D35#
N22 D34#
M23 D33#
H25 D32#
D31#
J24 D30#
L22 D29#
M21 D28#
H24 D27#
G26 D26#
L21 D25#
D26 D24#
F26 D23#
E25 D22#
F24 D21#
F23 D20#
G23 D19#
E24 D18#
H22 D17#
D25 D16#
J21 D15#
D14#
C26 D13#
H21 D12#
G22 D11#
B25 D10#
C24 D9#
C23 D8#
B24 D7#
D22 D6#
C21 D5#
A25 D4#
A23 D3#
B22 D2#
B21 D1#
D0#
D23
V22
K23
SOCKET478
HD#53
HD#52
HD#51
HD#50
HD#49
HD#48
HD#46
HD#45
HD#44
HD#43
HD#42
HD#41
HD#40
HD#39
HD#38
HD#36
HD#35
HD#34
HD#33
HD#32
HD#31
HD#30
HD#29
HD#28
HD#26
HD#25
HD#24
HD#23
HD#22
HD#21
HD#20
HD#19
HD#18
HD#16
HD#15
HD#14
HD#13
HD#12
HD#11
HD#10
7
7
7
7
HD#9
HD#8
HD#7
HD#6
HD#5
HD#4
HD#3
HD#2
HD#1
HD#0
HD#4
HD#3
HD#2
HD#1
A A
MSI MICRO-STAR INT'L CO.,LTD.
Title
mPGA478-B INTEL CPU SOCKET Part1
Size Document Number Rev
20
MS-6580
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