8
7
6
5
4
3
2
1
D D
MS-6546
Title Page
Cover Sheet
C C
B B
Block Diagram
Processor Sockets
Clock Synthesizer
DRCG 9
MCH
SCK/CMD
RIMM 13,14
AGP 15
ICH2
FWH
IDE Connectors
USB Connectors
INTEL (R) 850 CHIPSET
Pentium(R) 4 PROCESSOR in 478-Pin SCHEMATICS
Title Page
1
2,3,4,5
6,7
8
10,11,12
12
16,17
18
19
20
PCI Connectors
VID 24
Audio
LPC/Flopy Connector
Hardware Monitor
Parallel Port/Serial Port
KeyBoard/Mouse Ports
PC-PC
Pull-up Resistors
Front Pannel
VRM 9.0
Voltage Regulator
Diagnostic LED
LAN
21,22,23
25,26
27CNR
28
29
30
31
32
33
34
35
36
37
41
A A
Pentium(R) 4 Mother Board
Title
Size Document Number Rev
Custom
8
7
6
5
4
3
Date: Sheet
2
COVER
MS-6546 1.0
of
139Friday, October 19, 2001
1
8
D D
7
6
5
4
3
2
1
14.318MHz
3MREF_B
3MREF
14.318MHz
33MHz
PCI_Slot_5
33MHz
PCI_Slot_4
33MHz
PCI_Slot_3
33MHz
PCI_Slot_2
33MHz
PCI_Slot_1
33MHz
33MHz
33MHz
33MHz
33MHz
48MHz Pulled_up
48MHz
66MHz
66MHz
66MHz
66MHz
50/67MHz
50/67MHz
100MHz CPU_CK
100MHz ITP_CK
100MHz MCH_CK
100MHz Pulled_up
32.7kHz
CPU
ITP Port
CK00
3.3 volt
C C
3.3 volt
3.3 volt MEM CLK
14.318MHz
B B
(Half Host CLK)
Host Clock Pairs
SUSCLK
LAN_CLK
EE_CLK
ICH
AUD_BCLK SMBCLK
POC PLD
AGP CON
HCLKOUT0
RCLKOUT0
HCLKOUT1
RCLKOUT1
MCH
24.5MHz
SMBCLK
AUDIO
CODEC
DRCG1
DRCG2
400MHz
Output
DRCG_CTM*
DRCG_CTM1
LAN
AUD_BCLK
CNR CON
AUDIO
SMBCLK
RIMM0
SCL
SMBCLK
RIMM1
SCL
SIO
KBCLK
MCLK
FWH
GLUE
HECETA
Hardware Management
RIMM2
SCL
FNT/LSB
MS/KB
RIMM4
SCL
A A
Title
Clock Distribution
Size Document Number Rev
MS-6546 1.0
Custom
8
7
6
5
4
3
Date: Sheet
2
of
239Friday, October 19, 2001
1
8
D D
7
6
5
4
3
2
1
Power
Supply
CONN
AGP 4X
AGP
CONN
VRM
AGP
CONN
C C
Heceta Hardware
Monitor
4X (266MHz) AGP
SM Bus
IDE CONN 1&2
USB Port 1:3
USB Port 4
FRNL Panel
B B
PS2 Mouse &
Keyboard
LPC Bus AC Link
SMC I/O
Parallel (1)
Serial (1)
Floppy Disk
Drive CONN
Socket 478VRM CK_SKS Clock
Scalable Bus
MCH: Memory
Controller HUB
HUB Interface
ICH2: I/O
Controller HUB
FWH: Firmware HUB
Tehama Chipset
Stuffing
Options
LAN
Scalable Bus/2
Sync Clock (2)
400MHz DIFF CLK
400MHz DIFF CLK
Direct RDRAM Channel A
Direct RDRAM Channel B
PCI (33MHz)
AC '97
Digital
Central
AC '97 Audio
Codec
Audio In
Line In
CD-ROM
Telephone In
MIC In
DRCG 1&2
RIMM SKTS 1:2
RIMM SKTS 3:4
PCI Slots 1:4
CNR Riser
(Shared slot)
AMP
Line Out
RJ45
A A
Title
Block Diagram
Size Document Number Rev
MS-6546 0A
Custom
8
7
6
5
4
3
Date: Sheet
2
of
339Thursday, October 25, 2001
1
8
7
6
5
4
3
2
1
D D
C C
B B
PSU
VCC12
VCC3
5VSB
VCC
VCC12
INTERSIL 3-PHASE
CONVERTER
SC1547
& MOSFET
SC1547
& MOSFET
SC1547
& MOSFET
SC1547
& MOSFET
MOSFET
5VDUAL
VCORE
VCC1.8
VDDQ
2.5VSB_STR
VCC_S4
3VSB
LT1084EZ1084
1.8VSB
A A
Title
Reset/Power on Map
Size Document Number Rev
MS-6546 1.0
Custom
8
7
6
5
4
3
Date: Sheet
2
of
439Friday, October 19, 2001
1
8
D D
7
6
5
4
3
2
1
AGP
+12V
(12V)
V_AGP_Vddq
(1.5V)
C C
Vcc
(5V)
Vcc3
(3.3V)
CK-SKS
Vcc3_CLK
(3.3V)
DRCG_1
FB_DRCG1_Vcc3
(3.3V)
DRCG_2
FB_DRCG1_Vcc3
(3.3V)
FWH
Vcc3
(3.3V)
PS2 CONN
Vreg_PS2
(5V Switched)
SIO
B B
A A
Vcc3
(3.3V)
V_3P3_Stby
(3.3 Standby)
PROCESSOR
Vccp
(1.8V MAX.)
MCH
V_1P8_core
(1.8V)
V_AGP_Vddq
(1.5V)
Vccp
(16.5V MAX.)
Audio 9708
Vcc3
(3.3V)
Vcc
(5V)
V_5P0_AUD_Analog
(5V Analog)
Audio 5880
Vcc
(5V)
RAMBUS CH1
V_1P8_CMOS_CH1
(1.8V)
V_2P5_CH1
(2.5V Switched)
V_3P3_Stby
(3.3V Stanby)
RAMBUS CH2
V_1P8_CMOS_CH2
(1.8V)
V_2P5_CH2
(2.5V Switched)
V_3P3_Stby
(3.3V Stanby)
RAMBUS TERM
V_1P8_Vterm_RIMM
(1.8V)
ICH2
Vcc3
(3.3V)
V_3P3_Stby
(3.3V Standby)
V_1P8_core
(1.8V)
V_1P8_Stby
(1.8V Standby)
V_3P0_BAT_Vreg
(3.3V Standby)
(Battery Switched)
V_5P0_Stby
(5V Standby)
Vccp
(1.65V MAX.)
USB CONN
Vreg_USB
(5V Switched)
PCI Slots
Vcc3
(3.3V)
+12V
(12V)
Vcc
(5V)
V_3P3_PCIVAUX
(3.3V Switched)
CNR CONN
V_3P3_Stby
(3.3VStandby)
+12V
(12V)
Vcc
(5V)
V_5P0_Stby
(5V Standby)
Title
Power Distribution
Size Document Number Rev
MS-6546 1.0
Custom
8
7
6
5
4
3
Date: Sheet
2
of
539Friday, October 19, 2001
1
8
D D
C C
B B
A A
HD#[0..63]10
8
7
HA#[3..31]10
HDBI#[0..3]10
FERR#16,33
STPCLK#16
HINIT#16,18
HDBSY#10
HDRDY#10
HTRDY#10
HADS#10
HLOCK#10
HBNR#10
HIT#10
HITM#10
HBPRI#10
HDEFER#10
TDI_CPU33
HDBI#0
HDBI#1
HDBI#2
HDBI#3
TDO_CPU38
TMS_CPU38
TRST#_CPU33
TCK_CPU38
VTIN228,29
VAGND28,29
THERMTRIP#24,33
SKTOCC#34
PROCHOT#17,28,33
IGNNE#16
SMI#16
A20M#16
SLP#16,29
CPU_PWRGD17,33
HCPURST#10,33
HD#63
HD#62
HD#61
HD#60
HD#59
HD#58
HD#57
HD#56
HD#55
HD#54
7
AF26
AB26
AE21
AF24
AF25
AB23
AB25
AA24
AA22
AA25
E21
G25
P26
V21
AC3
AA3
W5
AB2
A22
AD2
AD3
Y21
Y24
Y23
W25
Y26
W26
V24
V6
B6
Y4
H5
H2
J6
G1
G4
G2
F3
E3
D2
E2
C1
D5
F7
E6
D4
B3
C4
A2
C3
B2
B5
C6
A7
6
HA#31
HA#30
HA#29
U6A
AB1Y1W2V3U4T5W1R6V2T4U3P6U1T2R3P4P3R2T1N5N4N2M1N1M4M3L2M6L3K1L6K4K2
A35#
A34#
A33#
A32#
A31#
A30#
DBI0#
DBI1#
DBI2#
DBI3#
IERR#
MCERR#
FERR#
STPCLK#
BINIT#
INIT#
RSP#
DBSY#
DRDY#
TRDY#
ADS#
LOCK#
BNR#
HIT#
HITM#
BPRI#
DEFER#
TDI
A29#
HA#28
A28#
HA#27
A27#
HA#26
A26#
HA#25
A25#
HA#24
A24#
HA#23
A23#
HA#22
A22#
5
HA#21
A21#
HA#20
A20#
HA#19
A19#
HA#18
A18#
TDO
TMS
TRST#
TCK
THERMDA
THERMDC
THERMTRIP#
SKTOCC#
PROCHOT#
IGNNE#
SMI#
A20M
SLP#
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
PWRGOOD
RESET#
D63#
D62#
D61#
D60#
D59#
D58#
D57#
D56#
D55#
D54#
D53#
D52#
D51#
D50#
D49#
D48#
D47#
D46#
D45#
D44#
D43#
D42#
D41#
D40#
D39#
D38#
D37#
D36#
D35#
D34#
V22
U21
V25
U23
U24
U26
T23
T22
T25
T26
R24
R25
P24
HD#48
HD#45
HD#49
HD#46
HD#47
HD#44
HD#43
HD#42
HD#41
HD#53
HD#51
HD#52
HD#50
6
R21
HD#40
N25
HD#39
N26
HD#38
M26
HD#37
N23
HD#36
5
M24
HD#35
P21
HD#34
D33#
N22
HD#33
HA#17
A17#
D32#
M23
HD#32
HA#16
A16#
D31#
H25
HD#31
HA#15
A15#
D30#
K23
HD#30
HA#14
A14#
D29#
J24
HD#29
HA#13
A13#
D28#
L22
HD#28
HA#12
A12#
D27#
M21
HD#27
HA#11
A11#
D26#
H24
HD#26
HA#10
A10#
D25#
G26
HD#25
HA#9
A9#
D24#
L21
HD#24
HA#8
A8#
D23#
D26
HD#23
HA#7
A7#
D22#
F26
HD#22
HA#6
A6#
D21#
E25
HD#21
HA#5
A5#
D20#
F24
HD#20
HA#4
A4#
D19#
F23
HD#19
HA#3
A3#
D18#
G23
HD#18
4
VCC3
D17#
E24
HD#17
4
R43
X_150
AE25A5A4
D16#
H22
D25
HD#15
HD#16
DBR
D15#
D14#
J21
HD#14
VSS_SENSE
VCC_SENSE
D13#
D12#
D11#
D23
C26
H21
HD#11
HD#13
HD#12
AD26
AC26
ITP_CLK1
ITP_CLK0
D10#
D9#
G22
B25
HD#9
HD#10
C24
HD#8
3
VCC_SENS 35
VID[0..4] 28,35
VID3
VID2
VID4
VID1
VID0
AE1
AE2
AE3
AE4
AE5
VID4#
VID3#
VID2#
VID1#
VID0#
AA21
GTLREF3
AA6
GTLREF2
F20
GTLREF1
F6
GTLREF0
TESTHI12
TESTHI11
TESTHI10
TESTHI9
TESTHI8
TESTHI7
TESTHI6
TESTHI5
TESTHI4
TESTHI3
TESTHI2
TESTHI1
TESTHI0
ADSTB1#
ADSTB0#
DSTBP3#
DSTBP2#
DSTBP1#
DSTBP0#
DSTBN3#
DSTBN2#
DSTBN1#
DSTBN0#
D8#
D7#
D6#
D5#
D4#
D3#
D2#
D1#
C23
B24
D22
C21
A25
A23
B22
HD#3
HD#4
HD#7
HD#1
HD#6
HD#2
HD#5
BPM5#
BPM4#
BPM3#
BPM2#
BPM1#
BPM0#
REQ4#
REQ3#
REQ2#
REQ1#
REQ0#
BCLK1#
BCLK0#
COMP1
COMP0
LINT1
LINT0
D0#
B21
AD6
HD#0
RS2#
RS1#
RS0#
AP1#
AP0#
BR0#
DP3#
DP2#
DP1#
DP0#
BSEL0
BSEL1
AD5
SOCKET478
3
AB4
AA5
Y6
AC4
AB5
AC6
H3
J3
J4
K5
J1
AD25
A6
Y3
W4
U6
AB22
AA20
AC23
AC24
AC20
AC21
AA2
AD24
AF23
AF22
F4
G5
F1
V5
AC1
H6
P1
L24
L25
K26
K25
J26
R5
L5
W23
P23
J23
F21
W22
R22
K22
E22
E5
D1
BPM#5
BPM#4
BPM#1
BPM#0
HREQ#4
HREQ#3
HREQ#2
HREQ#1
HREQ#0
HRS#2
HRS#1
HRS#0
R58
51RST
Title
Size Document Number Rev
Date: Sheet
VCCP
R57
49.9
R56
100
BPM#5 33
BPM#4 33
BPM#1 33
BPM#0 33
2
C35
220p
C32
C36
220p
1u
C60
C56
220p
220p
HREQ#[0..4] 10
1
VCCP
R72
49.9
C57
R71
1u
100
R78
R107
4.7K
4.7K
R59
4.7K
R49
4.7K
CPUCLK# 8
CPUCLK 8
VCCP
HRS#[0..2] 10
HBR#0 10,33
R106
51RST
HADSTB#1 10
HADSTB#0 10
HDSTBP#3 10
HDSTBP#2 10
HDSTBP#1 10
HDSTBP#0 10
HDSTBN#3 10
HDSTBN#2 10
HDSTBN#1 10
HDSTBN#0 10
LINT1 16
LINT0 16
P4-CPU1
MS-6546 0A
B
2
639Monday, October 22, 2001
1
of
8
VCCP
U6B
A10
A12
A14
A16
A18
A20A8AA10
VCC
VCC
VCC
VCC
VCC
VCC
AE13
VCC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AE15
AE17
AE19
AE22
AE24
AE26
AE7
D10
AA11
AA13
AA15
AA17
AA19
AA23
AA26
AB10
AB12
AB14
AB16
AB18
AB20
AB21
AB24
AC11
AC13
AC15
AC17
AC19
AC22
AC25
AD10
AD12
AD14
AD16
AD18
AD21
AD23
AE11
VSS
A11
VSS
A13
VSS
A15
VSS
A17
VSS
A19
VSS
A21
VSS
A24
VSS
A26
VSS
A3
VSS
A9
VSS
AA1
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AA4
VSS
AA7
VSS
AA9
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AB3
VSS
AB6
VSS
AB8
VSS
VSS
VSS
VSS
VSS
VSS
AC2
VSS
VSS
VSS
AC5
VSS
AC7
VSS
AC9
VSS
AD1
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AD4
VSS
AD8
VSS
VSS
P2
VSS
P22
VSS
P25
VSS
P5
VSS
R1
VSS
R23
VSS
R26
VSS
R4
VSS
T21
VSS
T24
VSS
T3
VSS
T6
VSS
U2
VSS
U22
VSS
U25
VSS
U5
VSS
V1
VSS
V23
VSS
8
D D
C C
B B
A A
7
AA12
AA14
AA16
AA18
AA8
AB11
AB13
AB15
AB17
AB19
AB7
AB9
AC10
AC12
AC14
AC16
AC18
AC8
AD11
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
AE9
AF1
AF10
AF12
AF14
AF16
AF18
AF20
7
VSS
AF6
AF8
B10
B12
B14
B16
B18
B23
B20
B26B4B8
6
AD13
AD15
AD17
AD19
AD7
AD9
AE10
AE12
AE14
AE16
AE18
AE20
AE6
AE8
AF11
AF13
AF15
AF17
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
C11
C13
C15
C17C2C19
C22
C25C5C7C9D12
6
VSS
D14
D16
D18
D20
AF19
AF2
AF21
AF5
AF7
AF9
VCC
VCC
VCC
VCC
VCC
VCC
VSS
VSS
VSS
VSS
VSS
VSS
D21D3D24D6D8E1E11
5
VCC1.2
B11
B13
B15
B17
B19B7B9
C10
C12
AF4
AF3
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCCVID
VCCVIDPRG
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
VSS
E23
V26V4W21
VSS
W24W3W6Y2Y22
E13
E15
E17
E19
5
VSS
VSS
Y25
VCC-IOPLL
VCCA
VSS
AD22
Y5
SOCKET478
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
VCC
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
VSSA
4
VCCP
VCCP
C14
C16
C18
C20
C8
D11
D13
D15
D17
D19
D7
D9
E10
E12
E14
E16
E18
E20
E8
F11
F13
F15
F17
F19
F9
E26
E4
E7
E9
F10
F12
F14
F16
F18
F2
F22
F25
F5
F8
G21
G24
G3
G6
H1
H23
H26
H4
J2
J22
J25
J5
K21
K24
K3
K6
L1
L23
L26
L4
M2
M22
M25
M5
N21
N24
N3
N6
AE23
AD20
4
VCCP
VCCP
VCCP
C76
10u-1206
C37
22u-1206
C42
22u-1206
3
C33
0.1uC4X_0.1u
PLACE CAPS WITHIN CPU CAVITY
C52
10u-1206
C82
10u-1206
C44
10u-1206
FSB ADDR & CNTRL
C65
10u-1206
C106
10u-1206
C55
10u-1206
C31
10u-1206
10u-1206
C135
0.1uC50.1u
C50
PLACE CAPS WITHIN CPU CAVITY
L7
1 2
4.7u_1206
L8
1 2
4.7u_1206
3
2
VCCP
C2
C81
10u-1206
C105
10u-1206
C40
10u-1206
10u-1206
C58
0.1u
C45
C24
10u-1206
10u-1206
C28
C51
10u-1206
10u-1206
C29
C23
10u-1206
10u-1206
VCCP
VCCP
C66
10u-1206
C433
X_0.1u
C26
VCCP
C34
0.1u
0.1u
SCALABLE DATA BUS
PLACE CAPS WITHIN CPU CAVITY
C39
C61
10u-1206
10u-1206
C38
C41
10u-1206
10u-1206
C48
C75
10u-1206
10u-1206
C434
C436
0.1u
0.1u
SCALABLE DATA BUS
PLACE CAPS WITHIN CPU CAVITY
VCCP
C422
C423
X_10u-1206
X_10u-1206
Solder Side
Title
P4-CPU2
Size Document Number Rev
MS-6546 1.0
B
Date: Sheet
2
C59
0.1u
C435
X_0.1u
C424
X_10u-1206
C49
10u-1206
C46
10u-1206
C70
10u-1206
739Monday, October 22, 2001
1
C3
X_0.1u
1
C94
0.1u
of
5
4
3
2
1
VCC VCC
C409
C297
0.1u
0.1u
D D
LED017
FOR EMI
LINE_R25,26
LINE_L25,26
LNX_R26
LNX_L26
C229
C230
C202
1000p
1000p
C C
C341
X_0.1u
VCCVCC
C415
X_0.1u
1000p
C213
1000p
LED317
R412
X_2.2K
LED117
LED217
VCC3
B
R411
8.2K
C
E
X_NPN-3904LT1-S-SOT23
U32A
1 2
7407-SOIC14
U32B
3 4
7407-SOIC14
U32C
5 6
7407-SOIC14
U32D
9 8
7407-SOIC14
Q53
VCC3 VCC3
VCC3
VCC5- VCC12 5VSB VCC12-
C85
C68
0.1u
C79
0.1u
0.1u
C102
0.1u
C430
X_0.1u
C431
X_0.1u
B B
VCC
C96
0.1u
VCC VCC3 VCC3
C88
C103
0.1u
0.1u
C107
0.1u
VCC3
C242
C244
X_0.1u
X_0.1u
A A
VCC3 VCC3
C419
C387
X_0.1u
X_0.1u
for clock Generator EMI
(2001/05/02)
C370
C245
X_0.1u
X_0.1u
C310
X_0.1u
C137
X_0.1u
C289
X_0.1u
C173
X_0.1u
C78
X_0.1u
for EMI(2001/05/02)
5
SOLDER SIDE
C342
X_0.1u
4
C378
X_0.1u
JWR1
D1x6
C396
C403
X_0.1u
X_0.1u
for EMI(2001/05/02)
VCC3
VCC3
COM
COM
COM
VCC
C417
X_0.1u
6
VCC
5
4
VCC3
3
2
1
VCC
C69
C80
X_0.1u
C157
X_0.1u
X_0.1u
for EMI(2001/05/02)
C421
C377
C412
X_0.1u
X_0.1u
C388
X_0.1u
X_0.1u
3
C379
X_0.1u
C235
X_0.1u
Title
Diag. LED
Size Document Number Rev
MS-6546 1.0
B
2
Date: Sheet
of
37 39Monday, October 22, 2001
1
5
D D
4
3
2
1
VCC
U1
EZ1084B-TO263-5A
3 2
C C
VI VO
12
+
EC2
10u
VTERM
ADJ
1
R4
432
R3
200
VCC3
R431
X_330/0805
R387
X_330/0805
R398
X_330/0805
R391
X_330/0805
VCC
R385
X_330/0805
R408
X_330/0805
R386
X_330/0805
RESERVED
FOR CORSS-REGULATION
B B
A A
5
4
3
VCCP VCCPVCC3
2
R8675R89
39
TMS_CPU 6
TCK_CPU 6
TDO_CPU 6
R94
27
Title
{Title}
Size Document Number Rev
MS-6546 1.0
B
Date: Sheet
1
of
38 39Monday, October 22, 2001
3VSB
8
7
6
5
C203
104P
C204
104P
4
L21
1 2
80_0805
3VSB
3
2
1
C233
C232
104P
104P
D D
C C
ICH2 GPIO
LAN_DIS17
B B
LAN_DIS
3VSB
R453
X_8.2K
J21
LAN_DIS
12
34
X_YJ202
Add LAN Disable PIN header
2001.10.15.
C207
104P
R215
10K
G
R468
X_0
3VSB
5VDUAL
DS
2N7002S
R454
X_8.2K
C205
104P
R214
Q33
C231
104P
C216
C224
ELAN_CLK16
ELAN_RSTSYNC16
ELAN_RXD016
ELAN_RXD116
ELAN_RXD216
ELAN_TXD016
ELAN_TXD116
ELAN_TXD216
330
J22
1
2
D1x2
SHORT
3VSB
R452
X_8.2K
DS
Q61
X_2N7002S
G
C440
C442
104P
22P
22P
C441
104P
104P
3VSB
125364027914171219
VCC1
VCC2
VCCA
VCCP1
46
Y1
25MHZ
1 2
47
39
42
34
35
37
43
44
45 27
41
30
28
29
26
21
U31_CS
R455
0
CNR_EECS 16,27
VCCP2
X1
X2
LAN_CLK
LAN_RSTSYNC
LAN_RXD0
LAN_RXD1
LAN_RXD2
LAN_TXD0
LAN_TXD1
LAN_TXD2 LILED#
ADV10
ISOL_TCK
ISOL_TI
ISOL_TEX
TOUT
TESTEN
VSS1
VSS2
VSS3
VSS4
VSS5
VSSP1
VSSP2
8131824483338362022
VCCA2
VSSA
VCCT1
VCCT4
VSSA2
VCCT2
VCCT3
ACTLED#
SPDLED#
RBIAS100
VSSR1
VSSR2
X_0.01u
23
VCCR1
RBIAS10
W82562ET
C177
Place Termination R as close to 82562ET as possible
U17
VCCR2
TDP
TDN
RDP
RDN
RXIN
RXIP
TXON
TXOP
10
11
15
16
LILED
ACTLED
32
SPEEDLED
31
R202
549RST
4
R201
5
619RST
U15
7
RDC
RXC
8
RD-
RX-
6
RD+
RX+
3
TD-
TX-
1
TD+
TX+
2
TDC
CMT
TS6121C
C206
L05-0100020-B09
X_0.01u
USBGND220
R457
49.9
R458
49.9
10
RX-
9
RX+
11
14
16
15
NC_1
R466
R464
75
75
R456
75
C183
R459
57.6
R460
57.6
X_0.01u
USBGND2
C180
X_0.01u
USBGND2
TXOP
C439
X_0.01u
TXON
RXIP
RXIN
C437
X_0.01u
CNR_SHCLK16,27
CNR_EEDOUT16,27,33
CNR_EEDIN16,27
C176
X_0.01u
ACTLED
3VSB
C179
X_0.01u
R194 300
U31_CS
NC_2
R465
75
R176 300
LILED
NC_1
NC_2
R463 0/0805
U31
1
CS
VCC
2
SK
3
DI
4
DO
GND
L_93C66S
64WORD W/ 82562ET
256WORD W/ 82562EM
C167
0.01u
LANUSB1B
AMBER+
17
AMBER-
18
9
13
10
14
11
15
12
16
GREEN+
19
SPEEDLED
GREEN-
20
RJ45+USB+LEDx2-D20-BK
C189
0.01u
3VSB
8
7
NC
6
NC
5
NC
NC
RDN
NC
NC
RDP
TDN
TDP
LILED
C438
0.01u
A A
Title
LAN
Size Document Number Rev
MS-6546 1.0
Custom
8
7
6
5
4
3
Date: Sheet
2
of
39 39Monday, November 05, 2001
1
5
4
3
2
1
D D
RIMM3-X
RIMM4-X
CRIMM CRIMM
_
U13-X
MCH
C C
HEATSINK
_
U25-1
1
VPP
2
RST#
3
FGPI3
4
FGPI2
5
FGPI1
6
B B
FGPI0
7
WP#
8
TBL#
9
ID3
10
ID2
11
ID1
12
ID0
13
FWH0
14
FWH1
15
FWH2
16 17
GND FWH3
SST-256K*8-33MHz-PLCC32
FGPI4
IC(VIL)
GNDA
VCCA
FWH4
GND
INIT#
32
VCC
31
CLK
30
29
28
27
26
25
VCC
24
23
22
RFU
21
RFU
20
RFU
19
RFU
18
RFU
_
U13-X1
D1x3-1:2-BK
PCB
P01-6546100
U13-X2
D1x3-1:2-BK
AGP1-Y
X_
U25-Y
BIOS LABEL
X_G51-LA00198
AGP1-X
X_
U6-X
_
J13(1-2)
1
2
JC-D2-GN
JBAT1(1-2)
1
2
3
JC-D2-GN
J4(3)
1
2
3
JC-D2-GN
J22(1-2)
1
2
JC-D2-GN
J17(2-3)
1
2
3
JC-D2-GN
JFP2(14-15)
1
2
JC-D2-GN
J11(11-12)
1
2
JC-D2-GN
J20(1-2)
1
2
3
JC-D2-GN
J11(13-14)
1
2
JC-D2-GN
12
BAT1-X
BAT-CR2032-3V-210mAh
A A
5
U6-X1
X_
4
U6-X2
X_
3
2
Title
{Title}
Size Document Number Rev
MS-6545 0B
B
Date: Sheet
of
39 40Wednesday, October 24, 2001
1
5
4
3
2
1
J901
1
D D
VCC1
3
USB2P
4
GND1
5
GND2
D2x5-BK
E_ M_
GND3
GND4USB2N
USB3P
USB3N
VCC2
6
72
8
9
10
J902
1
VCC1
3
USB2P
4
GND1
5
GND2
_
GND3
GND4USB2N
USB3P
USB3N
VCC2
6
72
8
9
10
J900
21
43
5 6
7 8
GN_RD-D-5V-CR-A
M_
L900
C C
1 2
120-1
L901
1 2
120-1
B B
L902
1 2
120-1
L903
1 2
120-1
U13FAN
MCH
Heatsink with FAN
_
for MSI
R902
0
L_
for R335
IDE900
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
D2x20-1:21-BL-ZBT(Primary)
C916
X_33p
C917
X_33p
IDE901
12
34
56
78
910
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
D2x20-1:21-WH-SBT(Secondary)
CN900
1 2
3 4
5 6
7 8
X_180p
A A
Title
Size Document Number Rev
B
5
4
3
2
Date: Sheet
FOR LGE
{Title}
MS-6545 0B
of
40 40Thursday, October 25, 2001
1
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