Intel 440BX Schematics

A

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Intel 100 MHz Pentium(tm) II processor/440BX AGPset
Uniprocessor Customer Reference Schematics

4 4

Revision 1.0

** Please note that these schematics are sub

TITLE

ect to change.

PAGE

COVER SHEET 1
BLOCK DIAGRAM
SLOT 1 CONNECTOR 3,4
CLOCK SYNTHESIZER 5
82443BX 6,7,8

3 3

DIMM SOCKETS 9,10,11
PIIX4E 12,13

2

THIS SCHEMATIC IS PROVIDED "AS IS" WITH NO WARRANTIES
WHATSOEVER, INCLUDING ANY WARRANTY OF
MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE,
OR A N Y WARRANTY OTHERWISE ARISING OUT OF PROPOSAL,
SPECIFICATION OR SAMPLE.

No license, express or implied, b

intellectual property rights is granted herein.

to an

estoppel or otherwise,

ULTRA I/O 14
AGP CONNECTOR 15
PCI CONNECTORS 16,17
ISA CONNECTORS 18
IDE CONNECTORS 19
USB CONNECTORS 20
FLASH BIOS 21

2 2

PA RALLEL 22
SERIAL/FLOPPY 23
KEYBOARD/MOUSE 24
VRM 25
POWER CONNECTOR 26
GTL+ TERMINATION 27
PCI/AGP PULLUPS/PULLDOWNS 28
ISA PULLUPS/PULLDOWNS 29
82443BX DECOUPLING 30

1 1

BULK DECOUPLING 31
TERMINATION DECOUPLING 32
LM79 33
REVISION HISTORY 34

A

B

C

Intel disclaims all liabilit
an

proprietary rights , relating to use of information in this
specification. Intel does not warrant or represent that such
use will not infrin

I2C is a two-wire communications bus/protocol developed
b

Philips. SMBus is a subset of the I2C bus/protocol and
was developed b
bus/protocol or the SMBus bus/protocol ma
licenses from various entities, includin
N.V. and North American Philips Corporation.

*Third-part

brands and names are the propert

of their respective owners.

ht * Intel Corporation 1997, 1998

Cop

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Intel 100MHz Pentium(tm) II processor/440BX AGPset Uni-Processor Cover Sheet

Size Document Number Rev

A

Date: Sheet of

, including liability for infringement of

e such rights.

Intel. Implementations of the I2C

require

Philips Electronics

Intel(R) 440BX AGPset

134Thursday, April 09, 1998

D

1.0

E

1

2

3

4

5

6

7

8

VRM

VTT GEN.

PG. 25

A A

SMBus
Interface

MAX1617 ME

PG. 3

PENTIUM(tm) II
PROCESSOR

(SLOT 1)

PG. 3,4

ADDR

CNTL

DATA

SYSTEM BUS

ADDR

CNTL

DATA

AGP

CONN.

B B

PG. 15

ADDR/DATA

CNTL

AGP SIDEBAND

82443BX

492 BGA

PG. 6-8

ADD/DATA

CNTL

CNTL

ADDR

CKBF

PG. 6

DATA

CK100

&

ITP CON.

PG. 5

TERM.

MEMORY

3 SDRAM DIMM

MODULES

PG. 9-11

GTL

PG. 27

PCI BUS

2 USB CONN.

PG. 20

USB

USB

ADD/DATA

CNTL

CNTL

2 PCI IDE
CONNECTORS

PG. 19

PRIMARY

IDE

SECONDARY

IDE

CNTL

PG. 16-17

PCI CONN

PCI CONN

PCI CONN

PCI CONN

82371EB

324 BGA
PG. 12-13

ADDR

FLASH

BIOS

PG. 21

LM79

PG. 33

CONTROL

2

DATA

ADDR

X-BUS

KEYBOARD

PG. 24

MOUSE
PG. 24

CNTL

DATA

C C

D D

1

ADDR

ULTRA I/O

FLOPPY

CONN.

PG. 23

3

ADDR/DATA

CNTL

PG.14

PARA.
CONN.

PG. 20

DATA

SER.

CONN.

PG .23

SER.

CONN.

ADDR/DATA

ISA BUS

PG 18

ADDR

CNTL

DATA

RESET, POWER CONNECTORS

ISA, PCI RESISTORS

DECOUPLING CAPACITORS

4

ISA CONN

ISA CONN

5

PG. 26

PG. 28-29

PG. 30-32

6

THIS DRAWING CONTAINS INFORMATION WHICH HAS NOT
BEEN VERIFIED FOR MANUFACTURING AN END USER
PRODUCT. iNTEL IS NOT RESPONSIBLE FOR THE MISUSE
OF THIS INFORMATION.

DEVICE TABLE

DEVICE

TYPE

FUSES F1,F2,F3,F4 20,24

ITP Connector J2 5
DIMM Sockets J4,J5,J6 9,10,11

IDE Connectors J14, J15
USB Connectors J16, J17
VRM8.2 J24 25
Slot 1 Connector J33 A,B 3,4
AGP Connector J32 15
PCI Connectors J34-37 16,17

BLM31A700S L1-L6,L7-L13 20,24

CK100 U1 5
74LVC14 U5 A,B,C,D,E,F 13,26

74AS07 U7 A,B,C,D,E,F 15,26,29
74HCT14 U8 A,B,C,D,E,F 21,25,26
E28F002BC-T(FLASH) U9 21
74F07 U12 A,B,C,D,E,F 25,26,29
74LVC3244 U13 25

74ALS08 U16 A,B,C,D 26,29
74HC10 U17 A,B,C 13,26,29
82443BX U19-1,2,3 6,7,8
CKBF U20 6
LM79 U21 33
74F07 U28 A,B,C,D,E,F 13,26,29
82371EB (PIIX4E) U23 A,B 12,13
MAX1617 ME U24 3
74HC112 U27 A,B 13

LT1585 VR1 25
LT1575 VR2

Crystal (14.318MHz) Y1 5
Crystal(32.768KHz) Y2

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

INTEL 100MHz Pentium(tm) II processor/440BX AGPset Block Diagram
Size Document Number Rev
Custom
Date: Sheet of

3VSB

5VSB

5VSB

REFERENCE
DESIGNATOR

J12, J13ISA Connectors

U6FDC37C932FR

Intel(R) 440BX AGPset

7

PAGE #

18
19
20

14

25

13

234Thursday, April 09, 1998

8

1.0

A

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(R)

(

)

y

]

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C

D

E

VTTVCC2.5

* Note: This strong pullup resistor on

3

D+

4

D-

11

SLP# is necessar
LAI.

VCC3

4 4

SM B SLAVE
ADDRESS
= 0011000b

3 3

VCC3

R239

4.7K

15

6

10

SM BDATA6,9,10,11,13,28,33
SMBCLK6,9,10,11,13,28,33

12
14

1
5

9
13
16

C164

0.1 uF

U24

STBY#

ADD1
ADD0

MAX1617 ME

16p QSOP

SMBDATA
SMBCLK

RESV
RESV
RESV
RESV
RESV

2

V+

SMB_ALERT#

FLUSH#28
PX4_SMI#13,28
HINIT#13,28

STPCLK#13,28
TCK5
SLP#13

TMS5
TRST#5

LINT125,28
PICCLK5

100/66#5,11
PICD128
PRDY#05,27

when using an

2200pF

THERM# 13,28

GND7GND

MAX1617_2

2 2

8

HD#[63:0

8,27

R1
330

C188

HD#62
HD#58
HD#63

HD#56
HD#50 HD#60
HD#54

HD#59

HD#52

HD#41
HD#47

HD#44
HD#36

HD#40
HD#34

HD#38
HD#32
HD#28

HD#29
HD#26
HD#25

HD#22
HD#19
HD#18

HD#20

HD#17

HD#15
HD#12

HD#7
HD#6

HD#4
HD#2

HD#0

J33A

B01 A01

EMI

B02 A02

FLUSH#

B03

SMI#

B04

INIT#

B05

VCC_VTT

B06

STPCLK#

B07

TCK

B08

SLP#

B09

VCC_VTT

B10

TMS

B11

TRST#

B12

RESERVED

B13

VCC_CORE

B14

RESERVED

B15

RESERVED

B16

LINT[1]

B17

VCC_CORE

B18

PICCLK

B19

BP#[2]

B20

RESERVED

B21

100/66#

B22

PICD[1]

B23

PRDY#

B24

BPM#[1]

B25

VCC_CORE

B26

DEP#[2]

B27

DEP#[4]

B28

DEP#[7]

B29

VCC_CORE

B30

D#[62]

B31

D#[58]

B32

D#[63]

B33

VCC_CORE

B34

D#[56]

B35

D#[50]

B36

D#[54]

B37

VCC_CORE

B38

D#[59]

B39

D#[48]

B40

D#[52]

B41

EMI

B42

D#[41]

B43

D#[47]

B44

D#[44]

B45

VCC_CORE

B46

D#[36]

B47

D#[40]

B48

D#[34]

B49

VCC_CORE

B50

D#[38]

B51

D#[32]

B52

D#[28]

B53

VCC_CORE

B54

D#[29]

B55

D#[26]

B56

D#[25]

B57

VCC_CORE

B58

D#[22]

B59

D#[19]

B60

D#[18]

B61

EMI

B62

D#[20]

B63

D#[17]

B64

D#[15]

B65

VCC_CORE

B66

D#[12]

B67

D#[7]

B68

D#[6]

B69

VCC_CORE

B70

D#[4]

B71

D#[2]

B72

D#[0]

B73

VCC_CORE

SLOT1_0.8

VCC_VTT

GND

VCC_VTT

IERR#

A20M#

GND

FERR#

IGNNE#

TDI
GND
TDO

PWRGOOD

TESTHI1

GND

THERMTRIP#

RESERVED

LINT[0]

GND

PICD[0]
PREQ#

BP#[3]

GND

BPM#[0]

BINIT#

DEP#[0]

GND

DEP#[1]
DEP#[3]
DEP#[5]

GND

DEP#[6]

D#[61]
D#[55]

GND

D#[60]
D#[53]
D#[57]

GND

D#[46]
D#[49]
D#[51]

GND

D#[42]
D#[45]
D#[39]

GND

RESERVED

D#[43]
D#[37]

GND

D#[33]
D#[35]
D#[31]

GND

D#[30]
D#[27]
D#[24]

GND

D#[23]
D#[21]
D#[16]

GND

D#[13]
D#[11]
D#[10]

GND

D#[14]

D#[9]

D#[8]

GND

D#[5]
D#[3]
D#[1]

SLOT 1a

A03
A04
A05
A06
A07
A08
A09
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49
A50
A51
A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
A62
A63
A64
A65
A66
A67
A68
A69
A70
A71
A72
A73

VTTVCCCORE

A20M# 25,28
FERR# 13,28

IGNNE# 25,28
TDI 5

TDO 5
PW RGOOD 21,26

THERMTRIP# 28
LINT0 25,28
PICD0 28

ITPREQ# 5

HD#61
HD#55

HD#53

HD#57

HD#46HD#48
HD#49
HD#51

HD#42
HD#45
HD#39

HD#43
HD#37

HD#33
HD#35
HD#31

HD#30

HD#27
HD#24

HD#23
HD#21
HD#16

HD#13
HD#11
HD#10

HD#14
HD#9

HD#8
HD#5

HD#3

HD#1

VCC2.5

R3

4.7K

1 1

R4
0

R6

R5

0

0

* P lease place as close to the connector as possible

A

B

C

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Size Document Number Rev
Custom

Date: Sheet of

D

SLOT 1

PART I

Intel

, April 09, 1998

440BX AGPset

E

334Thursda

1.0

A

(

)

y

]

]

]

B

C

D

E

VCCCORE

4 4

VCC

HRE SET#5,6,27

HA#29
HA#26

HA#24

HA#28

HA#20
HA#21
HA#25

HA#15

HA#17

HA#11
HA#12

HA#8

HA#7

3 3

HLOCK#6,27
DRDY#6,27
RS#06,27

HIT#6,27
RS#26,27

2 2

HA#3

HA#6

HREQ#0

HREQ#1

HREQ#4

VID3
VID0

R219 0
R221

0

VCC3

J33B

B74 A74

RESET#

B75 A75

BREQ1#

B76

FRCERR#

B77

VCC_CORE

B78

A#[35]

B79

A#[32]

B80

A#[29]

B81

EMI

B82

A#[26]

B83

A#[24]

B84

A#[28]

B85

VCC_CORE

B86

A#[20]

B87

A#[21]

B88

A#[25]

B89

VCC_CORE

B90

A#[15]

B91

A#[17]

B92

A#[11]

B93

VCC_CORE

B94

A#[12]

B95

A#[8]

B96

A#[7]

B97

VCC_CORE

B98

A#[3]

B99

A#[6]

B100

EMI

B101

SLOTOCC#

B102

REQ#[0]

B103

REQ#[1]

B104

REQ#[4]

B105

VCC_CORE

B106

LOCK#

B107

DRDY#

B108

RS#[0]

B109

VCC_5

B110

HIT#

B111

RS#[2]

B112

RESERVED

B113

VCC_3

B114

RP#

B115

RSP#

B116

AP#[1]

B117

VCC_3

B118

AERR#

B119

VID[3]

B120

VID[0]

B121

VCC_3

SLOT1_0.8

SLOT 1b

BREQ0#

BERR#

A#[33]
A#[34]
A#[30]

A#[31]
A#[27]
A#[22]

A#[23]

RESERVED

A#[19]

A#[18]
A#[16]
A#[13]

A#[14]
A#[10]

BPRI#

TRDY#

DEFER#

REQ#[2]
REQ#[3]

HITM#

DBSY#

RS#[1]

RESERVED

RESERVED

AP#[0]

VID[2]
VID[1]
VID[4]

GND

BCLK

GND

GND

GND

GND

GND

A#[5]

GND
A#[9]
A#[4]

BNR#

GND

GND

GND

GND

ADS#

GND

A76
A77
A78
A79
A80
A81
A82
A83
A84
A85
A86
A87
A88
A89
A90
A91
A92
A93
A94
A95
A96
A97
A98
A99
A100
A101
A102
A103
A104
A105
A106
A107
A108
A109
A110
A111
A112
A113
A114
A115
A116
A117
A118
A119
A120
A121

R220 0
R222 0
R223 0

HREQ#2
HREQ#3

VID2
VID1
VID4

HA#30
HA#31

HA#27
HA#22

HA#23
HA#19
HA#18

HA#16
HA#13

HA#14
HA#10
HA#5

HA#9
HA#4

CPUHCLK 5

BREQ0# 6,27

BNR # 6,27
BP RI# 6,27

HTRDY# 6,27
DE F ER # 6,27

HITM# 6,27
DBSY# 6,27

RS#1 6, 27

ADS# 6,27

HA#[31:3

6,27

HREQ#[4:0

6,27

VID[4:0

25,33

JP1

1

JP2

JP3

JP4

JP5

3

1
3

1
3

1
3

1
3

SE L _VID0

SE L _VID1

SE L _VID2

SE L _VID3

SE L _VID4

C

2

VID0

* Please place as close to
the connector as possible

1 1

A

B

R9

R8

0

0

VID1

VID2

VID3

VID4

2

2

2

2

R7

8.2K

R10

8.2K

R11

8.2K

R12

8.2K

R13

8.2K

VCC

VRM optional override
jumpers & resistors

Jumper position 1-2 is
stuffed as the default. To
override, R219-223 must
be removed.

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Size Document Number Rev
Custom

Date: Sheet of

D

SLOT 1

PART II

Intel(R) 440BX AGPset 1.0

, April 09, 1998

434Thursda

E

A

g

g

g

B

C

D

E

CLOCK SYNTHESIZER

CD94

0.01uF
16V

L14

2 1

FBHS01L

CD95

0.01uF
16V

VCC3

4 4

3 3

100/66#3,11

PCI_STP#13

CPU_STP#13

SUSA#13

VCC3

R176
200

R264
0

R265
0

R266
0

R18

8.2K

VCC3

R19

8.2K

R20

8.2K

DO NOT STUFF

option to enable the

Stuffin

of the CPUCLKs,

stoppin
PCICLKs, and the powerdown of
the CK100. Please note that the
resistors are not stuffed.

FBHS01L

CD85

0.01 uF
16V

R224
0

L15

CD86

0.01 uF
16V

R242
10K

21

C1
10pF

C2

10pF

CD87

0.01uF
16V

R249
10K

CD88

100pF
16V

Y1

14.318MHz

VCC3

R250
10K

CD89

100pF
16V

XTLI1

XTLO1

CD90

100pF
16V

U1

4

XTALIN

5

XTALOUT

42

RESV

28

RESV

27

SEL0

26

SEL1

25

SEL_100/66#

31

PCI_STP#

30

CPU_STP#

29

PWRDWN#

CK100_05

C168

+

22uF

9

15

19

VDDPCI0

VDDPCI1

VDDCORE0

48

33

21

VDDQREF

VDD48MHZ

VDDCORE1

CK100

VSSREF

VS S PCI06VSSPCI1

3

12

46

41

37

VDDAPIC

VDDCPU0

VDDCPU1

VSSCORE1

VSS48MHZ

VSS CORE0

VSSPCI218VSSCPU0

32

24

20

CPUCLK0
CPUCLK1
CPUCLK2
CPUCLK3

PCICLK_F
PCICLK_1
PCICLK_2
PCICLK_3
PCICLK_4
PCICLK_5
PCICLK_6
PCICLK_7

48MHZ_0
48MHZ_1

APICCLK_0
APICCLK_1

VSSAPIC

VSSCPU1

43

38

34

40
39
36
35

7
8
10
11
13
14
16
17

22
23

45
44

1

REF0

2

REF1

47

REF2

VCC2.5 VTT

CD91

CD92

100pF

100pF

16V

16V

R27
R14 22
R15 22

R16 22
R17 22
R22 22
R23 22
R24 22
R25 22

R26

22

R177 22

R178

22

R179

22

R180

22

CD93

0.01uF
16V

22

ITPCLK

C169

+

22uF

VCC2.5

BXHCLK 6
CPUHCLK 4

PXPCLK 13
PCLK1 16
PCLK2 16
PCLK3 17
PCLK4 17
BXPCLK 7

48Mhz_0 13

PICCLK 3

OSC1 18
OSC2 13
OSC3 14

* Note * This is a stuffing option: 10-15
pF caps to ground may be desirable to
redu ce t he effects of EMI.

* Note * For power managed systems, the PIIX4 must be
connected to PCICLK_F of the CK100 which is a free

PCLK not affected by the assertion of

runnin
PCISTOP#.

VCC2.5

R29

2 2

1 1

Stuffing option to enable Spread#
function for possible EMI reduction.

A

240

HRESET#4,6,27

DBRESET#26

TCK3

TMS3

B

R34

R237
47

R238
47

R28

1K

R36
1K

1K

5%

ITP_RST

ITP_PON

ITPCLK

C

OPTIONAL ITP
TEST
CONNECTOR

J2
1 2

3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30

ITP CONN

D

R33

R30

330

PRDY0_R#

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

CLOCK SYNTHESIZER

Size Document Number Rev
Custom

Date: Sheet of

R32

330

150

240

R35

Intel(R) 440BX AGPset

R37

680

E

TDI 3
TDO 3
TR ST# 3

ITPREQ# 3
PRDY#0 3,27

534Thursday, April 09, 1998

1.0

A

g

y

]

]

]

HA#[31:3

4,27

HA#3
HA#4
HA#5
HA#6
HA#7
HA#8

4 4

HRE SET#4,5,27
ADS#4,27

3 3

2 2

1 1

BNR#4,27
BPRI#4,27

DBSY#4,27
DEFER#4,27
DRDY#4,27
HIT#4,27
HITM#4,27
HLOCK#4,27
HTRDY#4,27

BREQ0#4,27

RS#[2:0

4,27

HREQ#[4:0

4,27

BXHCLK5

CR ESET#25

PCI RST#12 ,15,16,17

** TESTIN# pullup may be removed after
validation has been completed.

CR ESET# CKE1

VCC3

R39

8.2K

A

HA#9
HA#10
HA#11
HA#12
HA#13
HA#14
HA#15
HA#16
HA#17
HA#18
HA#19
HA#20
HA#21
HA#22
HA#23
HA#24
HA#25
HA#26
HA#27
HA#28
HA#29
HA#30
HA#31

RS#0

RS#1

RS#2

HREQ#0
HREQ#1
HREQ#2
HREQ#3
HREQ#4

G25

H22

G23

H23

G24

F26
G26
G22

F22

F23

F24

F25

E23

E26

E25
D25
D26

B25
C26

A25
C25

A24
D24
C23

B24
C24

A23

E22
D23

B23

K21

H24

H26

L23

J26
K23
L24
L22
K22
H25
B26

K26
L26
L25

J22

J23
K24
K25

J25

N23

M25
M26

AE22
AE23

P22

A3

U19-1

HA3#
HA4#
HA5#
HA6#
HA7#
HA8#
HA9#
HA10#
HA11#
HA12#
HA13#
HA14#
HA15#
HA16#
HA17#
HA18#
HA19#
HA20#
HA21#
HA22#
HA23#
HA24#
HA25#
HA26#
HA27#
HA28#
HA29#
HA30#
HA31#

CPURST#
ADS#
BNR#
BPRI#

DBSY#
DEFER#
DRDY#
HIT#
HITM#
HLOCK#
HTRDY#
BREQ0#

RS#0
RS#1
RS#2

HREQ#0
HREQ#1
HREQ#2
HREQ#3
HREQ#4

HCLKIN
TE S TIN#

CRESET#
PCI RST#

RESVA
RE SVB
RESVC

443 BX_10

B

VCC3

V21

Y21

F18

F20

G21

J21

AA7

VDD

VDD

VDDF7VDDF9VDD

VDD

VDDG6VDD

VDDJ6VDD

82443BX

492 BGA

SYSTEM INTERFACE

VSSA1VSS

VSS

VSSC5VSSC9VSS

VSS

VSSE3VSS

VSS

VSS

VSSF6VSSF8VSS

A14

A26

C18

C22

B

E12

E15

E24

F19

F21

AA9

VDD

VSS

AA18

VDD

VDD

VSSH6VSS

H21

AA20

VDD

CKE2/CSA6#
CKE3/CSA7#

DRAM INTERFACE

CKE4/CSB6#
CKE5/CSB7#

VSSJ3VSS

J24

MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8

MAA9
MAA10
MAA11
MAA12
MAA13

MAB0#
MAB1#
MAB2#
MAB3#
MAB4#
MAB5#
MAB6#
MAB7#
MAB8#
MAB9#

MAB10
MAB11#
MAB12#

MAB13

CSA0#
CSA1#
CSA2#
CSA3#
CSA4#
CSA5#

CSB0#
CSB1#
CSB2#
CSB3#
CSB4#
CSB5#

DQMA0
DQMA1
DQMA2
DQMA3
DQMA4
DQMA5
DQMA6
DQMA7

DQMB1
DQMB5

CKE0/FENA

CKE1/GCKE

SRAS_A#
SRAS_B#
SCAS_A#
SCAS_B#

WE_A#

WE_B#

DCLKO

DCLKWR

DCLKRD

C

AF17
AB16
AE17
AC17
AF18
AE19
AF19
AC18
AC19
AE20
AD20
AF21
AC21
AF25

AD16
AC16
AD17
AB17
AE18
AD19
AB18
AB19
AF20
AC20
AB20
AE21
AD21
AF22

AB14
AF15
AE15
AC15
AD15
AE16
AE24
AD23

AE25
AD24
AD26
AC24
AC26
AB23
AC23
AF24

AD13
AC13
AC25
AB26
AE14
AC14
AA22
AA24

AE13
AD14

AC22
AF23

AF16
AA17
AF12
AB13

AE12
AC12

AB21
AD25
AB22

**Locate R280 close to CKBF and
R281 close to 443BX.
**Locate "T" and cap close to BX.

** Pl ea se make DCLKREF trace length equal to 2.5" more
than the DCLK outputs to the DIMMs. DCLK outputs to
the DIMMs should all be the same recommended len

MAA0
MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
MAA10
MAA11
MAA12
MAA13

MAB#0
MAB#1
MAB#2
MAB#3
MAB#4
MAB#5
MAB#6
MAB#7
MAB#8
MAB#9
MAB10
MAB#11
MAB#12
MAB13

CS_A#0
CS_A#1
CS_A#2
CS_A#3
CS_A#4
CS_A#5

CKE2
CKE3

CS_B#0
CS_B#1
CS_B#2
CS_B#3
CS_B#4
CS_B#5

CKE4
CKE5

DQMA0
DQMA1
DQMA2
DQMA3
DQMA4
DQMA5
DQMA6
DQMA7

DQMB1
DQMB5

CKE0

R281
22

Example: if DCLK[0-11] = 2.5"
then DCLKREF = 2.5" + 2.5".

C

DQMB1 11
DQMB5 11

CKE0 9
CKE1 9

SRA S_A# 9,10
SR AS_B# 11
SCA S_A# 9,10
SC AS_B# 11

WE_A# 9,10
WE_B# 11

DCLKREF

C162
20pF

R38

4.7k

R280
47

VCC3

D

MAA[13:0]9,10

MAB#[13:0]11

CS_A#[1:0]9
CS_A#[3:2]10
CS_A#[5:4]11
CKE[3:2]10

CS_B#[1:0]9
CS_B#[3:2]10
CS_B#[5:4]11
CKE[5:4]11

DQMA[7:0]9,10,11

U20

38

OE

11

BUF_IN

25

SCLOCK

24

SDATA

1

RESV

2

RESV

47

RESV

48

RESV

CKBF

th.

D

E

L16

2 1

FBHS01L

100pF

.01uF

C175

100pF

.01uF

C177

100pF

.01uF

C179

100pF

.01uF

C181

100pF

.01uF

C183

22uF

3

23

VDD

VDD7VDD12VDD16VDD20VDD29VDD33VDD37VDD42VDD

VDDIIC

CKBF

VSS6VSS10VSS

VSSIIC

15

26

Title

Size Document Number Rev

Date: Sheet of

46

R181 0

4

SDRAM0

5

SDRAM1

8

SDRAM2

9

SDRAM3

13

SDRAM4

14

SDRAM5

17

SDRAM6

18

SDRAM7

31

SDRAM8

32

SDRAM9

35

SDRAM10

36

SDRAM11

40

SDRAM12

41

SDRAM13

44

SDRAM14

45

SDRAM15

21

SDRAM16

28

SDRAM17

VSS19VSS22VSS27VSS30VSS34VSS39VSS

43

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

82443BX SYSTEM AND DRAM INTERFACES

Custom

, April 09, 1998

0

R182
R183 0
R184 0
R185 0
R186 0

R187 0
R188 0
R189 0
R190 0
R191 0
R193 0
R194 0

slave address =
1101001b

SMBCLK 3,9,10,11,13,28,33
SM BDATA 3,9,10,11,13,28,33

Intel(R) 440BX AGPset 1.0

DCLK9
DCLK8
DCLK5
DCLK4
DCLK0
DCLK1

DCLK11
DCLK10
DCLK7
DCLK6
DCLK3
DCLK2
DCLKREF

VCC3

C174

C176

C178

C180

C182

+

C184

**Please Note **
These clock
assignments may
not be optimum.

*The unused SDRAM
clocks may be disabled
using the SMBus
interface.

634Thursda

E

DCLK[11:0]9,10,11

A

g

g

y

]

]

]

]

B

VCC3

C

D

E

AD[31:0

12 ,16,17

4 4

3 3

C/BE#[3:0

12,16,17

FRAME#12, 16,17,28
DEVSEL#12, 16,17,28
IRDY#12, 16,17,28
TRDY#12, 16,17,28
STOP#12,16,17,28

16,17,28

16 ,17,28

PAR12 ,16,17
SERR#12, 16,17,28
PLOCK#16 ,17,28

PHLD#12,28
PHLDA#12,28

PREQ#[3:0

PREQ#428

PGNT#[3:0

VCC3

R196
10K

2 2

SUSTAT#13

R282
0

DO NOT STUFF

Stuffing option to enable and test
the POS state.

1 1

A

PG NT#428

PWROK13,26

VREF5V13
BXPCLK5

AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31

C/BE#0
C/BE#1
C/BE#2
C/BE#3

PREQ#0
PREQ#1
PREQ#2
PREQ#3
PREQ#4

PG NT#0
PG NT#1
PG NT#2
PG NT#3
PG NT#4

R255
100

U19-2

K6

AD0

K2

AD1

K4

AD2

K3

AD3

K5

AD4

J1

AD5

J2

AD6

H2

AD7

H1

AD8

J5

AD9

H3

AD10

H5

AD11

H4

AD12

G1

AD13

G2

AD14

G4

AD15

D1

AD16

D3

AD17

D2

AD18

C1

AD19

A2

AD20

C3

AD21

B3

AD22

D4

AD23

E5

AD24

A4

AD25

D5

AD26

B4

AD27

B5

AD28

A5

AD29

E6

AD30

C6

AD31

J4

C/BE0#

G3

C/BE1#

E4

C/BE2#

C4

C/BE3#

E2

FRAME#

F3

DEVSEL#

E1

IRDY#

F5

TRDY#

F4

STOP#

G5

PAR

F1

SERR#

F2

PLOCK#

B6

PHOLD#

D6

PHLDA#

AE3

WSC#

A6

PR EQ0#/IOREQ#

C7

PREQ1#

F10

PREQ2#

D8

PREQ3#

D10

PREQ4#

AD4

SUSTAT#

E7

PGNT0#/IOGNT#

D7

PG NT1#

E10

PG NT2#

E8

PG NT3#

E9

PG NT4#

AF3

BX-PWROK

AC4

CLKRUN#

C2

REFVCC5

B2

PCLKIN

443 BX_10

B

L14

L13

L11

VDD

VDD

PCI INTERFACE

PCI ARB & PWR MGT

VSSN1VSSM5VSS

VSS

VSS

VSS

L12

L15

M11

M13

M14

N11

M15

M12

L16

VDD

VDD

VDD

VDD

82443BX

VSS

VSS

VSS

VSS

N12

N13

M16

M22

N16

P11

P16

VDD

VDD

VDD

492 BGA

VSS

VSS

VSS

N14

N15

P12

VDD

VSS

R12

VDD

VSS

P13

R15

P14

T11

VDD

VSS

P15

T13

VDD

VSS

P26

T14

VDD

VSS

T12

T16

VDD

VSS

T15

N26

VDD

VSS

C

VDD

VSSR5VSS

R11

P1

R13

AE1

VDD

VSS

R14

VDD

VSS

V6

Y6

GAD0
GAD1

VDD

VDD

GAD2
GAD3
GAD4
GAD5
GAD6
GAD7
GAD8

GAD9
GAD10
GAD11
GAD12
GAD13
GAD14
GAD15
GAD16
GAD17
GAD18
GAD19
GAD20
GAD21
GAD22
GAD23
GAD24
GAD25
GAD26
GAD27
GAD28
GAD29
GAD30
GAD31

GC/BE0#
GC/BE1#
GC/BE2#
GC/BE3#

GFRAME#

GDEVSEL#

GIRDY#

GTRDY#

AGP INTERFACE

GSTOP#

GPAR

GREQ#

GGNT#

GCLKOUT

GCLKIN

PIPE#

SBA0
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7

RBF#

GADSTB-A
GADSTB-B

SB-STB

AGPREFV

VSS

VSS

VSSV3VSS

VSSW6VSS

V24

R16

R22

W21

ST0
ST1
ST2

AB5
AE2
AD3
AD2
AD1
AC3
AC1
AB4
AB1
AA5
AA3
AA4
AA2
AA1
Y5
Y3
W1
V2
W2
U5
V1
U4
U3
U1
T3
T4
T2
T1
U6
R3
R4
R2

AB2
Y4
V4
U2

W3
W5
V5
W4
Y1
Y2

L5
L3

P5
N5

M3
K1
M2
M1
N2
P2
P4
P3
R1

M4
L4

L2
L1

AC2
T5
N3

N4

GAD0
GAD1
GAD2
GAD3
GAD4
GAD5
GAD6
GAD7
GAD8
GAD9
GAD10
GAD11
GAD12
GAD13
GAD14
GAD15
GAD16
GAD17
GAD18
GAD19
GAD20
GAD21
GAD22
GAD23
GAD24
GAD25
GAD26
GAD27
GAD28
GAD29
GAD30
GAD31

GCBE#0
GCBE#1
GCBE#2
GCBE#3

R241

22

SBA0
SBA1
SBA2
SBA3
SBA4
SBA5
SBA6
SBA7

ST0
ST1
ST2

R240

22

** Place as close to
443BX as possible.

D

GAD[31:0]15

GC/BE#[3:0]15

GFRAME# 15,28
GDEVSEL# 15,28
GIRDY# 15,28
GTRDY# 15,28
GSTOP# 15,28
GP AR 15,28

GREQ# 15,28
GG NT# 15 ,28

GC LKOUT 15

PIPE# 15,28

** Note** Please make the
GCLKIN trace length 3.3"
more than the GCLKOUT
recommended trace length.
Stub to tee should be 1"
MAX.

SBA[7:0]15
RB F# 15,28

ST[2:0]15
AD S TB-A 15,28
ADSTB-B 15,28
SBSTB 15,28

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

82443BX PCI AND AGP INTERFACES

Size Document Number Rev

Custom

Date: Sheet of

Intel(R) 440BX AGPset 1.0

, April 09, 1998

C157

0.001uF

VCC3

R174
150

** It is

1%

recommended that
the tolerance on
the se resistors be

R175

1% i n order to meet

100
1%

the mar
reference volta

734Thursda

E

ins of this

e.

A

y

]

]

B

VCC3

C

D

E

HD#[63:0]3,27

AF4
AE4
AF5
AD6
AE6
AB7
AC7
AF7
AB8
AB9
AC9

AE9
AB10
AC10
AF10
AD11

Y24

Y25

W23
W24
W26
W25

V26
U24
U23

T22

T23

T26
R24
R25
P23
N25
AC5
AE5
AB6
AC6
AF6
AD7
AE7
AC8
AD8
AF8
AE8
AF9

AD10
AE10
AB11
AC11

Y23
Y26

W22

V22

V23

V25
U22
U25
U26

T24

T25
U21
R23
R26
P24
P25

AE11
AA10
AA23
AA26
AF11
AD12
AA25

Y22

U19-3
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
MD41
MD42
MD43
MD44
MD45
MD46
MD47
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63

MECC0
MECC1
MECC2
MECC3
MECC4
MECC5
MECC6
MECC7

443BX_10

B

MEMORY DATA BUS

VSS

N24

AB25

VSS

AA6

VSS

AA8

VSS

AA19

VSS

AA21

MD[63:0

9,10,11

MD0
MD1
MD2
MD3

4 4

3 3

2 2

1 1

MECC[7:0

9,10,11

A

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
MD41
MD42
MD43
MD44
MD45
MD46
MD47
MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55
MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63

MECC0
MECC1
MECC2
MECC3
MECC4
MECC5
MECC6
MECC7

AF2

AE26

N22

AF14

VDDB1VDD

VDD

VDD

VDD

82443BX

492 BGA

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

AB3

AD5

AD9

AB12

AB15

AB24

AD18

VSS

AF1

AD22

VSS

VSS

AF13

VSS

AF26

C

HD0#
HD1#
HD2#
HD3#
HD4#
HD5#
HD6#
HD7#
HD8#

HD9#
HD10#
HD11#
HD12#
HD13#
HD14#
HD15#
HD16#
HD17#
HD18#
HD19#
HD20#
HD21#
HD22#
HD23#
HD24#
HD25#
HD26#
HD27#
HD28#
HD29#
HD30#
HD31#
HD32#
HD33#
HD34#
HD35#
HD36#
HD37#
HD38#
HD39#
HD40#
HD41#

HOST DATA BUS

HD42#
HD43#
HD44#
HD45#
HD46#
HD47#
HD48#
HD49#
HD50#
HD51#
HD52#
HD53#
HD54#
HD55#
HD56#
HD57#
HD58#
HD59#
HD60#
HD61#
HD62#
HD63#

GTLREFA

GTLREFB

VTTA

VTTB

B22
D22
E21
A22
D21
C21
A21
C20
B21
E20
A20
E19
B20
E18
D20
D19
D18
C19
B19
A18
A19
B18
C17
E17
D17
B17
C16
A17
C15
B16
D16
A16
B15
A15
D14
D15
B13
C14
E14
D13
A13
D12
B12
B14
C13
E13
D11
A12
B11
A11
B7
C12
C8
B10
A10
A9
A7
E11
D9
C11
C10
B8
A8
B9

M23
E16
M24
F17

HD#0
HD#1
HD#2
HD#3
HD#4
HD#5
HD#6
HD#7
HD#8
HD#9
HD#10
HD#11
HD#12
HD#13
HD#14
HD#15
HD#16
HD#17
HD#18
HD#19
HD#20
HD#21
HD#22
HD#23
HD#24
HD#25
HD#26
HD#27
HD#28
HD#29
HD#30
HD#31
HD#32
HD#33
HD#34
HD#35
HD#36
HD#37
HD#38
HD#39
HD#40
HD#41
HD#42
HD#43
HD#44
HD#45
HD#46
HD#47
HD#48
HD#49
HD#50
HD#51
HD#52
HD#53
HD#54
HD#55
HD#56
HD#57
HD#58
HD#59
HD#60
HD#61
HD#62
HD#63

VTT

VTT

GTLREF2
GTLREF1

R170
75
1%

R171
150
1%

R172
75
1%

R173
150
1%

C155

0.001uF

C156

0.001uF

GTLREF1

GTLREF2

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

VTT

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

82443BX MD/HD BUS

Size Document Number Rev
Custom

Date: Sheet of

D

Intel(R) 440BX AGPset

, April 09, 1998

834Thursda

E

1.0

A

y

B

C

D

E

DIMM SOCKET 0

VCC3VCC3

MD[63:0]8,10,11

40

102

4 4

3 3

MAA[13:0]6,10

DQMA[7:0]6,10,11

2 2

DIMM 0 DIMM 1 DIMM 2

CONTROL B

824 43BX

CONTROL A

MAB
MAA

STRAPS

MD0
MD1
MD2
MD3
MD4
MD5 MD21
MD6
MD7

MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15

MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39

MD40
MD41
MD42
MD43

100

MD44

101

MD45

103

MD46

104

MD47
MAA0

MAA1

117

MAA2

118

MAA3
MAA4
MAA5

119

MAA6

120

MAA7
MAA8

121

MAA9
MAA10
MAA13

123
126
132

DQMA0
DQMA1
DQMA2
DQMA3
DQMA4

112

DQMA5

113

DQMA6

130
131

DQMA7
MAA11

122

MAA12

109
108
145

2
3
4
5
7
8
9

10
11

13
14
15
16
17
19
20

86
87
88
89
91
92
93
94

95
97
98
99

33
34
35
36
37
38

28
29
46
47

39
24

25
31
44
48
50
51
61
80
81

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7

DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15

DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39

DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10 (AP)
A11
A12
A13

DQMB0
DQMB1
DQMB2
DQMB3
DQMB4
DQMB5
DQMB6
DQMB7

BA0
BA1

NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC

J4
DIMM REF

18

VCC6VCC26VCC

VCC

VSS1VSS

124

110

VCC41VCC90VCC

VCC

VCC

VSS23VSS32VSS85VSS96VSS

VSS43VSS54VSS64VSS68VSS78VSS

12

VCC49VCC59VCC73VCC84VCC

VSS

107

116

127

138

VSS

143

157

168

133

VCC

VSS

VSS

148

152

162

VSS

VCC

VCC

DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23

DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31

DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55

DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63

REGE
CKE0
CKE1

CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7

SA0
SA1
SA2

SDA
SCL

/WE0
/CAS
/RAS

CK0
CK1
CK2
CK3

55

MD16

56

MD17

57

MD18

58

MD19

60

MD20
65
66

MD22
67

MD23
69

MD24
70

MD25
71

MD26
72

MD27
74

MD28
75

MD29
76

MD30
77

MD31
139

MD48
140

MD49
141

MD50
142

MD51
144

MD52
149

MD53
150

MD54
151

MD55
153

MD56
154

MD57
155

MD58
156

MD59
158

MD60
159

MD61
160

MD62
161

MD63
134

NC

135

NC

146

NC

164

NC

62

NC

147
128

CKE0

63

CKE1

21

MECC0
22

MECC1
52

MECC2
53

MECC3
105

MECC4
106

MECC5
136

MECC6
137

MECC7

165
166
167

82
83

30

CS_A#0

/S0

114

CS_A#1

/S1

45

CS_B#0

/S2

129

CS_B#1

/S3

27
111
115

42
125
79
163

Slave address = 1010000b

DCLK8
DCLK9
DCLK10
DCLK11

**NOTE ON ALL DIMM SOCKETS**

VCC3

Pin 147 should be pulled to a high state
to accommodate registered DIMMs.

R252
0 ohm

CKE[1:0] 6

MECC[7:0] 8,10,11

SMBDATA 3,6,10,11,13,28,33
SMBCLK 3,6,10,11,13,28,33

CS_A#[1:0] 6
CS_B#[1:0] 6

WE_A# 6,10
SCAS_A# 6,10
SRAS_A# 6,10

DCLK[11:0] 6,10,11

1 1

Block diagram for 3 DIMM MA and control connection.

A

B

C

D

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

DIMM SOCKET 0

Size Document Number Rev

Custom

Date: Sheet of

Intel(R) 440BX AGPset

, April 09, 1998

934Thursda

E

1.0

A

y

B

C

D

E

DIMM SOCKET 1

VCC3 VCC3

4 4

3 3

2 2

MD[63:0]8,9,11

40

102

MD0 MD16
MD1 MD17
MD2 MD18
MD3 MD19
MD4 MD20
MD5 MD21
MD6 MD22
MD7 MD23

MD8 MD24
MD9 MD25
MD10 MD26
MD11 MD27
MD12 MD28
MD13 MD29
MD14 MD30
MD15 MD31

MD32 MD48
MD33 MD49
MD34 MD50
MD35 MD51
MD36 MD52
MD37 MD53
MD38 MD54
MD39 MD55

MD40 MD56
MD41 MD57
MD42 MD58
MD43 MD59
MD44 MD60
MD45 MD61
MD46 MD62

MAA[13:0]6,9

DQMA[7:0]6,9,11

MD47 MD63
MAA0

MAA1
MAA2
MAA3
MAA4
MAA5
MAA6
MAA7
MAA8
MAA9
MAA10
MAA13

DQMA0
DQMA1
DQMA2
DQMA3
DQMA4
DQMA5
DQMA6
DQMA7

MAA11
MAA12

3
4
5
7
8
9

10
11

13
14
15
16
17
19
20

86
87
88
89
91
92
93
94

95
97
98

99
100
101
103
104

33
117

34
118

35
119

36
120

37
121

38
123
126
132

28

29

46

47
112
113
130
131

122

39

24

25

31

44

48

50

51

61

80

81
109
108
145

DIMM REF

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7

DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15

DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39

DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10 (AP)
A11
A12
A13

DQMB0
DQMB1
DQMB2
DQMB3
DQMB4
DQMB5
DQMB6
DQMB7

BA0
BA1

NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC

J5

VCC6VCC26VCC

VCC

18

2

124

110

VCC41VCC90VCC

VCC

VCC

VSS1VSS

VSS23VSS32VSS85VSS96VSS

VSS43VSS54VSS64VSS68VSS78VSS

12

VCC49VCC59VCC73VCC84VCC

VSS

VSS

107

116

127

138

143

157

168

133

VCC

VSS

VSS

148

152

162

VSS

VCC

VCC

DQ16
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23

DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31

DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55

DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63

REGE

CKE0
CKE1

CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7

SDA
SCL

/WE0
/CAS

/RAS

CK0
CK1
CK2
CK3

SA0
SA1
SA2

55
56
57
58
60
65
66
67

69
70
71
72
74
75
76
77

139
140
141
142
144
149
150
151

153
154
155
156
158
159
160
161

134

NC

135

NC

146

NC

164

NC

62

NC

147
128

CKE2

63

CKE3

21

MECC0

22

MECC1

52

MECC2

53

MECC3

105

MECC4

106

MECC5

136

MECC6

137

MECC7

165

R_SA0
166
167

82
83

30

CS_A#2

/S0

114

CS_A#3

/S1

45

CS_B#2

/S2

129

CS_B#3

/S3

27
111
115

42
125
79
163

DCLK4
DCLK5
DCLK6
DCLK7

VCC3

R253

**NOTE ON ALL DIMM SOCKETS**

0 ohm

Pin 147 should be pulled to a high state
to accommodate registered DIMMs.

CKE[3:2] 6

MECC[7:0] 8,9,11

VCC3

R42

4.7K

Slave address = 1010001b

SMBDATA 3,6,9,11,13,28,33
SMBCLK 3,6,9,11,13,28,33

CS_A#[3:2] 6
CS_B#[3:2] 6

WE_A# 6,9
SCAS_A# 6,9
SRAS_A# 6,9

DCLK[11:0] 6,9,11

1 1

A

B

C

D

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

DIMM SOCKET 1

Size Document Number Rev

Custom

Date: Sheet of

Intel(R) 440BX AGPset

, April 09, 1998

10 34Thursda

E

1.0

A

B

C

D

E

DIMM SOCKET 2

VCC3VCC3

4 4

3 3

100/66#3,5

R199
10K

2 2

R200
10K

JP19

IOQ DEPTH SEL

MAB#12

MAB#11

MAB#11: 1 = IOQ depth of 4 (default), 0 = IOQ depth of 1

MD[63:0]8,9,10

40

102

18

MD0
MD1 MD17
MD2
MD3
MD4
MD5
MD6
MD7

MD8
MD9
MD10
MD11
MD12
MD13
MD14
MD15

MD32
MD33
MD34
MD35
MD36
MD37
MD38
MD39

MD40
MD41
MD42
MD43
MD44
MD45
MD46

DQMA0
DQMA2

DQMA3
DQMA4

DQMA6
DQMA7

MAB#11
MAB#12

MD47
MAB#0

MAB#1
MAB#2
MAB#3
MAB#4
MAB#5
MAB#6
MAB#7
MAB#8
MAB#9
MAB10
MAB13

MAB#[13:0]6

DQMA[7:0]6,9,10

DQMB16

DQMB56

2
3
4
5
7
8
9

10
11

13
14
15
16
17
19
20

86
87
88
89
91
92
93
94

95
97
98

99
100
101
103
104

33
117

34
118

35
119

36
120

37
121

38
123
126
132

28

29

46

47
112
113
130
131

122

39

24

25

31

44

48

50

51

61

80

81
109
108
145

DIMM REF

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7

DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15

DQ32
DQ33
DQ34
DQ35
DQ36
DQ37
DQ38
DQ39

DQ40
DQ41
DQ42
DQ43
DQ44
DQ45
DQ46
DQ47

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10 (AP)
A11
A12
A13

DQMB0
DQMB1
DQMB2
DQMB3
DQMB4
DQMB5
DQMB6
DQMB7

BA0
BA1

NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC

J6

VCC6VCC26VCC

VCC

VSS1VSS

124

110

VCC41VCC90VCC

VCC

VCC

VSS23VSS32VSS85VSS96VSS

VSS43VSS54VSS64VSS68VSS78VSS

12

VCC49VCC59VCC73VCC84VCC

VSS

VSS

107

116

127

138

148

VSS

133

152

VCC

VSS

143

162

VSS

157

168

VCC

DQ16
DQ17

VCC

DQ18
DQ19
DQ20
DQ21
DQ22
DQ23

DQ24
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31

DQ48
DQ49
DQ50
DQ51
DQ52
DQ53
DQ54
DQ55

DQ56
DQ57
DQ58
DQ59
DQ60
DQ61
DQ62
DQ63

REGE

CKE0
CKE1

/WE0
/CAS
/RAS

NC
NC
NC
NC
NC

CB0
CB1
CB2
CB3
CB4
CB5
CB6
CB7

SA0
SA1
SA2

SDA
SCL

/S0
/S1
/S2
/S3

CK0
CK1
CK2
CK3

55
56
57
58
60
65
66
67

69
70
71
72
74
75
76
77

139
140
141
142
144
149
150
151

153
154
155
156
158
159
160
161

134
135
146
164
62

147
128
63

21
22
52
53
105
106
136
137

165
166
167

82
83

30
114
45
129
27
111
115

42
125
79
163

MD16
MD18

MD19
MD20
MD21
MD22
MD23

MD24
MD25
MD26
MD27
MD28
MD29
MD30
MD31

MD48
MD49
MD50
MD51
MD52
MD53
MD54
MD55

MD56
MD57
MD58
MD59
MD60
MD61
MD62
MD63

CKE4
CKE5

MECC0
MECC1
MECC2
MECC3
MECC4
MECC5
MECC6
MECC7

R_SA1

CS_A#4
CS_A#5
CS_B#4
CS_B#5

**NOTE ON ALL DIMM SOCKETS**
Pin 147 should be pulled to a high state
to accommodate registered DIMMs.

VCC3

R254
0 ohm

CKE[5:4] 6

MECC[7:0] 8,9,10

VCC3

R43

4.7K

DCLK0
DCLK1
DCLK2
DCLK3

Slave address = 1010010b

SMBDATA 3,6,9,10,13,28,33
SMBCLK 3,6,9,10,13,28,33

CS_A#[5:4] 6
CS_B#[5:4] 6

WE_B# 6
SCAS_B# 6
SRAS_B# 6

DCLK[11:0] 6,9,10

1 1

A

B

C

D

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

DIMM SOCKET 2

Size Document Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset

11 34Thursday, April 09, 1998

E

1.0

A

(

)

y

]

]

]

]

]

]

AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9

R_ AD18

AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31

C/BE#0
C/BE#1
C/BE#2
C/BE#3

SDA0
SDA1
SDA2

PDA0
PDA1
PDA2

PDD0
PDD1
PDD2
PDD3
PDD4
PDD5
PDD6
PDD7
PDD8
PDD9
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15

4 4

AD[31:0

7,16,17

3 3

2 2

1 1

R256
100

AD18

7,16,17

C/BE#[3:0

R45
100

7,1 6,17,28

19

19

A

DE VSEL#7, 16,17,28

FRAME#7, 1 6,17,28

IRDY#7,16,17,28
PCIRST#6, 1 5,16,17

PHLD#7,28

PHLDA#7,28

SERR#7,1 6,17,28
STOP#7 , 1 6,17,28

TRDY#7 , 16,17,28

PREQ#[3:0

SDA[2:0

19

PDDACK#19

SDDACK#19
PDREQ19
SDREQ19
PDIOR#19

PDIOW#19
PIORDY19
SDIOR#19
SDIOW#19
SIORDY19

PDA[2:0

PDD[15:0

PAR7 ,16,17

B10
A10

C10

B12
A12

E10
A11
B11

C11
C17

B17
A18

G19

A17
F18
A16
F17

F16
G20
C16

B16
D16
G16
G18
G17

F20

E18

E20
D18
D20
C20

B20

A20

A19

B19
C19
D19
D17

E19

E17

F19

D9
C9

B9
A9

D8

E8
B8

A8
D7
C7

B7

A7
D6

E6

E4
C4

B4

A4
D3

E3
C3

B3

E2
C2

B2

A2
D1

E1
C1

B1

C8
C6
D4
D2

E5

A5

A3

B5

B6

A1

A6
D5
C5

B

U23A

AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
AD16
AD17
AD18
AD19
AD20
AD21
AD22
AD23
AD24
AD25
AD26
AD27
AD28
AD29
AD30
AD31

C/BE#0
C/BE#1
C/BE#2
C/BE#3

CLOCKRUN#
DE VSEL#
FRAME#
IDSEL
IRDY#
PAR
PCIRST#
PHOLD#
PHOLDA#
SERR#
STOP#
TRDY#

REQ0#
REQ1#
REQ2#
REQ3#

SDA0
SDA1
SDA2
PDDACK#
SDDACK#
PDREQ
SDREQ
PDIOR#
PDIOW#
PIORDY
SDIOR#
SDIOW#
SIORDY
PDA0
PDA1
PDA2

PDD0
PDD1
PDD2
PDD3
PDD4
PDD5
PDD6
PDD7
PDD8
PDD9
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15

PIIX4_15

B

PCI BUS INTERFACE

82371EB

IDE SIGNALS

C

E15

SDD0

B15

SDD1

D14

SDD2

C14

SDD3

A14

SDD4

C13

SDD5

A13

SDD6

C12

SDD7

D12

SDD8

B13

SDD9

D13

SDD10

B14

SDD11

E14

SDD12

A15

SDD13

C15

SDD14

D15

SDD15

IDE SIGNALS

ISA/EIO SIGNALS

MEMCS16#

REFRESH#

ZEROWS#

C

SCS3#
PCS3#
SCS1#
PCS1#

SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8

SA9
SA10
SA11
SA12
SA13
SA14
SA15
SA16
SA17
SA18
SA19

SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD8

SD9
SD10
SD11
SD12
SD13
SD14
SD15

LA17
LA18
LA19
LA20
LA21
LA22
LA23

MEMR#

MEMW#

SMEMR#

SMEMW#

SYSCLK

BALE

IOCHK#

IOCS16#

SBHE#

RSTDRV

IOR#

IOW#

IOCHRDY

AEN

C18
H16
B18
H17

U11
T11
W11
Y11
T10
W10
U9
V9
Y9
T8
W8
U7
V7
Y7
V6
Y6
T5
W5
U4
V4

V3
W3
U2
T2
W2
Y2
T1
V1
W16
T16
Y17
V17
Y18
W18
Y19
W19

Y15
T14
W14
U13
V13
Y13
T12

Y12
V15
U15
W4

U3
T7
U10
Y1

W7
V12
Y3

W12
W1
Y5
T4
T3
Y4

SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
SA11
SA12
SA13
SA14
SA15
SA16
SA17
SA18
SA19

SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15

LA17
LA18
LA19
LA20
LA21
LA22
LA23

D

SDD0
SDD1
SDD2
SDD3
SDD4
SDD5
SDD6
SDD7
SDD8
SDD9
SDD10
SDD11
SDD12
SDD13
SDD14
SDD15

SA[19:0]14, 18,21,29,33

SD[15:0]14 ,18,29

LA[23:17]18,29
MEMCS16# 18,29
MEMR# 18,21,29
MEMW# 18,21,29
SMEMR# 18

SMEMW# 18
SY S CLK 18,33
BALE 18
IOCHK# 18,29

REFRESH# 18,29
IOCS16# 18,29
ZEROWS# 18,29

SBHE# 18
RSTDRV 14,26
IOR# 14 , 18,29,33
IOW# 1 4 ,18,29,33
IOCHRDY 14,18,29
AEN 14,18

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Size Document Number Rev
Custom

Date: Sheet of

D

82371EB

PART I

, April 09, 1998

SDD[15:0]19
SCS3# 19
PCS3# 19
SCS1# 19
PCS1# 19

Intel(R) 440BX AGPset 1.0

E

12 34Thursda

E

A

B

3VSB

VCC3

VCC3

VCC3

C

D

E

DACK#[3:0]14,18

4 4

3 3

2 2

R48

VB2

1K

D3
SCHOTTKY

BAR43

VB1
12

1 1

BT1

DACK#[7:5]18

APICREQ#28

GPI728

PIRQ#A15,16,17,28
PIRQ#B15,16,17,28
PIRQ#C16,17,28
PIRQ#D16,17,28

3VSB

D2
SCHOTTKY

BAR43

C6

0.1 uF

R49

CLEAR CMOS

JP6 CONFIG

DRQ014,18,29
DRQ114,18,29
DRQ214,18,29
DRQ314,18,29
DRQ518,29
DRQ618,29
DRQ718,29

REQ#A28
REQ#B28
REQ#C28

TC14,18

IRQ114,29
IRQ314,18,29
IRQ414,18,29
IRQ514,18,29
IRQ614,18,29
IRQ714,18,29
IRQ#829
IRQ914,18,29

IRQ1014,18,29
IRQ1114,18,29
IRQ1214,18,29

IRQ1414,18,19,29

IRQ1514,18,19,29

FERR#3,28

PX4_IGNNE#25,28

HINIT#3,28

PX4_INTR25,28

A20GATE14,28

PX4_NMI25,28

PX4_SMI#3,28

KBRST#14,28

PX4_A20M#25,28

PWROK7,26

SPKR26

TEST#28

1
3

CMOS_CLR

1K

JP6

XOE#14
XDIR#14
BIOSCS#21

2

R244
0

Y2

32.768KHz
C7

18pF

PIRQ#A
PIRQ#B
PIRQ#C
PIRQ#D

RTC_BAT

12

C8
18pF

DACK#0
DACK#1
DACK#2
DACK#3
DACK#5
DACK#6
DACK#7

48Mhz_05
OSC25
PXPCLK5

RTCX2
RTCX1

U23B

U14

DACK0#

W6

DACK1#

Y10

DACK2#

V5

DACK3#

T15

DACK5#

V16

DACK6#

W17

DACK7#

W15

DREQ0

U6

DREQ1

V2

DREQ2

U5

DREQ3

Y16

DREQ5

U16

DREQ6

U17

DREQ7

M1

REQA#/GPI2

N2

REQB#/GPI3

P3

REQC#/GPI4

N1

GNTA#/GPO9

P2

GNTB#/GPO10

P4

GNTC#/GPO11

V10

TC

J17

APICACK#/GPO12

H18

APICCS#/GPO13

K18

APICREQ#/GPI5

H20

IRQ0/GPO14

J20

IRQ1

T9

IRQ3

W9

IRQ4

U8

IRQ5

V8

IRQ6

Y8

IRQ7

Y20

IRQ8/GPI6

U1

IRQ9

U12

IRQ10

W13

IRQ11

T13

IRQ12

V14

IRQ14

Y14

IRQ15

J19

SERIRQ/GPI7

R3

PIRQA#

R4

PIRQB#

P5

PIRQC#

G1

PIRQD#

M19

CPURST

K19

FERR#

L17

IGNNE#

L18

INIT

L19

INTR

P1

A20GATE

L20

NMI

P20

SMI#

N20

RCIN#

M20

A20M#

M18

PWROK

K17

SPKR

V18

TEST#

M4

XOE#/GPO23

M3

XDIR#/GPO22

M2

BIOSCS#

L1

RTCALE/GPO25

K2

RTCCS#/GPO24

K1

KBCCS#/GPO26

L16

VBAT

R20

RTCX2

N19

RTCX1

L3

48Mhz

V11

OSC

D11

PCICLK

PIIX4_15

DMA SIGNALS

IRQ SIGNALS

CPU INTERFACE

X-BUS

VSS

VSSE7VSS

VSSJ9VSS

E13

D10

E12

E11

F15

VCC

VCC

R15

VCCR6VCC

E16

VCCPE9VCCP

F6

VCC

82371EB

VSS

VSS

VSSK9VSS

VSS

VSS

VSSL9VSS

J10

J11

J12

L10

K10

K11

K12

VCCP

VCCPF5VCCP

VSS

L11

1 -2 NORMAL
2 - 3 CLEAR CMOS

A

B

F14

VCCPG6VCCPR7VCCP

VSS

VSSM9VSS

L12

M10

P15

M11

T6

VSS

M12

VCCP

VSS

J5

R16

N16

K5

VCCSUS

VCCSUS

VCCUSB

VSS_USB

USBP1+

USBP1-

USBP0+

USBP0-

USB

EXTSMI#

SUSA#
GPO15/SUSB#
GPO16/SUSC#

GPO17/CPU_STP#

GPO18/PCI_STP#

GPO19/ZZ

GPI8/THERM#

GPI9/BATLOW#

RSMRST#

PWRBT#

GPI10/LID

SMBDATA

SMBCLK

GPI11/SMBALERT#

GPI12/RI#A

POWER MANAGEMENT

SUSCLK
GPO20/SUS_STAT1#
GPO21/SUS_STAT2#

STPCLK#

SLP#

VREF

GPI1
GPI13
GPI14
GPI15
GPI16
GPI17
GPI18
GPI19
GPI20
GPI21

GPO0
GPO8

GPO27
GPO28
GPO29

GPO /GPI/GPIO/SCAN

GPO30

MCCS#

PGCS0#
PGCS1#

CONFIG1
CONFIG2

C

OC0
OC1

N/C
N/C
N/C
N/C
N/C
N/C

F1
H2
G2
H3
J1
J2

V20
W20
V19
U18

R1
R2
K16

H19
U19
M17
U20
P16
T20
R19
N17
P18

P17
T17
T18
J18
K20

J16

P19
L2
J3
L5
K3
K4
H1
H4
H5
G3

G4
T19
G5
F2
F3
F4

N4
L4

N5
J4

N18
N3
M5
M16
R5

R17
R18

GPI13
GPI14
GPI15
GPI16
GPI17
GPI18
GPI19
GPI20
GPI21

GPO8
GPO27
GPO28

PGCS#0
PGCS#1

SUSC#

PS_POK26

PX4_CFG1 28

R47

8.2K

USBP1+ 20
USBP1- 20
USBP0+ 20
USBP0- 20
OC#0 20
OC#1 20

EXTSMI# 28,33
SUSA# 5

CPU_STP# 5
PCI_STP# 5

THERM# 3,28
BATLOW# 28
RSMRST# 26
PWRBT# 26
LID 26,28
SMBDATA 3,6,9,10,11,28,33
SMBCLK 3,6,9,10,11,28,33
SMBALERT# 28
AGP_PME# 15,28

SUSTAT# 7
STPCLK# 3,28

SLP# 3

PCI_PME# 16,17,28

GPI[20:13] 28
GPI21 23

FAN_LED 26

1

TP3

1

TP4

1

TP5

PGCS#1 28,33

R268
1K

R269

1.5K

3VSB

14

U5F

13 12

7

74LVC14

+

5VSB

SUSC#

C3

0.01 uF

C4

1.0 uF

RTC_BAT

GPO8#

D

3VSB

14

U5A

1 2

7

74LVC14

VCC3

D1
SCHOTTKY

BAR43

C5

0.1 uF

5VSB

U17B

14

3
4
5

7

74HC10

C165

0.1uF

5VSB

5VSB

U28A

14

1 2

7

74F07

**External logic shown
is used to handle
power loss condition.

VCC

R46
1K

5VSB

SP3

R243

6

SPS2

R291

8.2K

4

16

VCC

3

J

PR

1

CLK

2

K

CL

8

GND

15

R245

8.2K

10K

R267
10K

U27A

5

Q

6

Q

74HC112

JK_CLR

RTC_BAT

INTEL CORPORATION
PL A TFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

82371EB (PART II)

Size Document Number Rev
Custom

Date: Sheet of

R290
10K

3
1

VREF5V 7

1

3

3

1

16

11
13
12

8

RSMRST#

Intel(R) 440BX AGPset 1.0

JP21

JMP_3P

Q8
2N7002

Q6

VCC

J
CLK
K

GND

1-2

2-3

2

2

2N7002
2

10

PR

CL

74HC112

14

E

U27B

Q

Q

JP21 CONFIG.

SAVE STATE ON
POWER DOWN.

PIIX4 POWERS ON SYS.
AT POWER-UP.

B_SUSC 26

WOLLID 26

POWER-ON 26

9

10K

7

R292

2

13 34Thursday, April 09, 1998

5VSB

3

1

Q5
2N7002

1

)

y

(R)

(

)

y

]

]

]

]

]

]

A A

13 ,18,29

13,18

VCC

13 ,18,29

R258

B B

12, 18,21,29,33

SA[19:0

10k

VCC

R53

8.2K

C C

VCC

1 8
2 7
3 6
4 5

KBCLK#24
KB DAT#24
MSCLK#24
MSDAT#24

XD[7:0

21,33

XOE#13

D D

XD IR#13

1

DRQ[7:0

DACK#[3:0

IRQ[7:0

IRQ913,18,29
IRQ1013,18,29
IRQ1113,18,29
IRQ1213,18,29
IRQ1413,18,19,29
IRQ1513,18,19,29

RP1

4.7K

2

12,18,29

TC13,18

Stuff for 93XFR

2

OSC35
IOR#1 2 ,18,29,33
IOW#12,18,29,33

RSTDRV12,26
IOCHRDY12,18,29
SD[15:0

3

AEN12,18

SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7

DRQ0
DRQ1
DRQ2 TP090
DRQ3

DACK#0
DACK#1
DACK#2
DACK#3

IRQ1
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7

IRQ9
IRQ10
IRQ11
IRQ12
IRQ14
IRQ15

SA0
SA1
SA2
SA3
SA4
SA5
SA6
SA7
SA8
SA9
SA10
SA11
SA12
SA13
SA14
SA15

SIO _PU2

1

VCC

R288
0

TP11
TP12
TP13
TP15
TP17

TP18
TP20

TP22

TP080

1

TP081

1

TP082 TP092

1

TP083 TP091

1

TP084

1

TP079 TP073

1

TP078 TP072

1

TP085 TP087

XD0
XD1
XD2
XD3
XD4
XD5
XD6
XD7

Stuff for 93XFR

3

R289
0

4

U6

121

VBAT

122

XTAL1

124

XTAL2

22

14C LOCKI

68

IOR#

69

IOW#

70

AEN

80

RSTDRV

90

IOCHRDY

72

SD0

73

SD1

74

SD2

75

SD3

76

SD4

77

SD5

78

SD6

79

SD7

89

TC

82

DRQ0

84

DRQ1

86

DRQ2

88

DRQ3

81

DACK0

83

DACK1

85

DACK2

87

DACK3

67

IRQ1

66

IRQ3

65

IRQ4

64

IRQ5

63

IRQ6

62

IRQ7

61

IRQ8#

59

IRQ9

58

IRQ10

57

IRQ11

56

IRQ12

55

IRQ14

54

IRQ15

41

SA0

42

SA1

43

SA2

44

SA3

45

SA4

46

SA5

47

SA6

48

SA7

49

SA8

50

SA9

51

SA10

52

SA11

53

SA1 2/CS

27

SA13/HDCS2#

28

SA14/HDCS3#

29

SA15/IDE2_IRQ

26

IDE1_IRQ

23

IDE1_OE#

24

HDCS0#

25

HDCS1#

30

IOROP#

31

IOWOP#

34

IDE_A0

33

IDE_A1

32

IDE_A2

92

KCLK

91

KDAT

94

MSCLK

93

MSDAT

111

RD0

112

RD1

113

RD2

114

RD3

115

RD4

116

RD5

117

RD6

118

RD7

119

ROMCS#

120

RO M DIR#
FDC37C932FR_1.3

4

101

125

139

VCC21VCC60VCC

VCC

FDC37C932FR
160 PIN QFP

1

ULTRA I/O

5

VCC

DSKCHG#

DRVSEL0#
DRVSEL1#

DRVDEN0
DRVDEN1

GP10/IRQIN
GP11/IRQIN

GP12/IRRX

GP13/IRTX

GP15/WS

GP16/JOYRS

GP17/JSWS

GP20/IDE2_OE

GP21/EEDIN

GP22/EDOUT

GP23/EECLK

GP24/EEEN

GP25/8042_P21

VSS

VSS95VSS71VSS40VSS8VSS

130

123

5

VCC

14CLK01
14CLK02
14CLK03

16CLK
24CLK

INDEX#

DIR#

STEP#
WDATA#
WGATE#

TRK0#

WPT#

RDATA#

SIDE1#

MTR0#

MTR1#

MEDID0
MEDID1

PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7

SLIN#

INIT#

AFD#

STB#

BUSY

ACK#

PE

SLCT

ERR#

RXD1

TXD1
RTS1#
CTS1#
DTR1#

DSR1#

DCD1#

RI1#

RXD2

TXD2

RTS2#
CTS2#

DTR2#

DSR2#

DCD2#

RI2#

GP14/RS

VSS

37
38
39

36
35

14
9
10
11
12
15
16
17
13
18
4
7
6
5
2
3
20
19

138
137
136
135
134
133
132
131

140
141
143
144
128
129
127
126
142

145
146
148
149
150
147
152
151

155
156
158
159
160
157
154
153

96
97
98
99
100
102
103

104
105
106
107
108
109
110

TP076
TP077

TP088

IRR4_MODE

PDR0
PDR1
PDR2
PDR3
PDR4
PDR5
PDR6
PDR7

IRRX
IRTX

TP075
R_GP21

TP071
TP070
TP069

6

1

TP7

1

TP8

1

TP9

INDEX# 23
DIR# 23
STEP# 23
W D ATA# 2 3
WGATE# 23
TRK0# 23
WPT# 23
RDATA# 23
SIDE1# 23
DSKCHG# 23
MOTEA# 23
MOTEB# 23
DRVSA# 23
DRVSB# 23
REDWC# 23
DR ATE0 23

PDR[7:0]22

SLIN#R 22
INIT#R 22
AFD#R 22
STB#R 22
BUSY 22
ACK# 22
PE 22
SLCT 22
ERR# 22

RX0 23
TX0 2 3

CTS0# 23
DTR0# 23
DSR0# 23
RLSD0# 23
RI0# 23

RX1 23
TX1 2 3
RTS1# 23
CTS1# 23
DTR1# 23
DSR1# 23
RLSD1# 23
RI1# 23

1

TP14

1

TP16

1

TP19

1

TP21

1

TP23

1

TP24

KBRST# 13,28

1

TP25

1

TP26

1

TP27

A20GATE 13,28

7

Stuff for 93X onl

R284

R285

1K

1K

TP10

Stuff for 93XFR

R286

1

CONFIG PORT ADDRESS

C12

R287

10K

C9

47 0pF

C11

470pF

VCC

RTS0# 23

370 I/O decode

R52

1K

3F0 I/O decode(DEFAULT

C10

470pF

0.1 uF

0

VCC

C13

0.1 uF

KEY

8

JP7

6
5
4
3
2
1

INFRARED HDR

VCC

R54

8.2K

INTEL CORPORATION

PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

I/O CONTROLLER

Size Document Number Rev
Custom

6

Date: Sheet of

, April 09, 1998

ULTRA I/O

440BX AGPset 1.0

Intel

7

14 34Thursda

8

A

B

C

D

E

AGP CONNECTOR

VCC3

SBA[7:0]7

U7C

74AS07

ADSTB-B7,28

GDEVSEL#7,28

GPERR#28

GSERR#28

ADSTB-A7,28

ST[2:0]7

AGP_OC#20

VCC3

R56

4.7K

USBAGP+20

56

PIRQ3#B
GCLKOUT7
GREQ#7,28

ST0

RBF#7,28

ST2

SBA0

SBSTB7,28

SBA2

SBA4
SBA6

GAD31
GAD29

GAD27
GAD25

GAD23

GAD21
GAD19

GAD17

GC/BE#2

GIRDY#7,28

GC/BE#1

GAD14
GAD12

GAD10
GAD8

GAD7

GAD5
GAD3

GAD1

J32

VCC

B1

OVRCNT#

B2
B3
B4
B5
B6
B7
B8

B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21

B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49
B50
B51
B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62
B63
B64
B65
B66

5V
5V
USB+
GND
INTB#
CLK
REQ#
VCC3.3
ST0
ST2
RBF#
GND
SPARE
SBA0
VCC3.3
SBA2
SB_STB
GND
SBA4
SBA6

AD31
AD29
VCC3.3
AD27
AD25
GND
AD_STB1
AD23
Vddq3.3
AD21
AD19
GND
AD17
C/BE2#
Vddq3.3
IRDY#
SPARE
GND
SPARE
VCC3.3
DEVSEL#
Vddq3.3
PERR#
GND
SERR#
C/BE1#
Vddq3.3
AD14
AD12
GND
AD10
AD8
Vddq3.3
AD_STB0
AD7
GND
AD5
AD3
Vddq3.3
AD1
RESERVED

SPARE

RESERVED

USB-

GND

INTA#

RST#

GNT#

VCC3.3

ST1

RESERVED

PIPE#

GND

SPARE

SBA1

VCC3.3

SBA3

RESERVED

GND
SBA5
SBA7

AD30
AD28

VCC3.3

AD26
AD24

GND

RESERVED

GC/BE3#

Vddq3.3

AD22
AD20

GND
AD18
AD16

Vddq3.3
FRAME#

SPARE

GND

SPARE

VCC3.3

TRDY#
STOP#

PME#

GND

PAR
AD15

Vddq3.3

AD13
AD11

GND

AD9

C/BE0#

Vddq3.3

RESERVED

AD6

GND

AD4

AD2

Vddq3.3

AD0

RESERVED

4 4

PIRQ#B13,16,17,28

3 3

2 2

1 1

AGP_CONN_1.3

GAD[31:0]7

GC/BE#[3:0]

A

B

C

VCC3

ST1

SBA1

SBA3

SBA5
SBA7

GAD30
GAD28

GAD26
GAD24

GC/BE#3

GAD22
GAD20

GAD18
GAD16

GAD15

GAD13
GAD11

GAD9
GC/BE#0

GAD6

GAD4
GAD2

GAD0

VCC3

R55

4.7K

PIRQ3#A

USBAGP- 20

3 4

74AS07

U7B
PCIRST# 6,12,16,17
GGNT# 7,28

PIPE# 7,28

GFRAME# 7,28

GTRDY# 7,28

GSTOP# 7,28

AGP_PME# 13,28

GPAR 7,28

D

PIRQ#A 13,16,17,28

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

ACCELERATED GRAPHICS PORT (AGP) CONNECTOR

Size Docu me nt Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset

E

15 34Thursday, April 09, 1998

1.0

+12V

A1

12V

A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21

A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49
A50
A51
A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
A62
A63
A64
A65
A66

1

2

3

4

5

6

7

8

PCI CONNECTORS

VCC3

-12V

VCC

A A

PTCK17

PIRQ#B13,15,17,28
PIRQ#D13,17,28

PCLK15

PREQ#07,28

B B

IRDY#7,12,17,28

DEVSEL#7,12,17,28

PLOCK#7,17,28

PERR#17,28

SERR#7,12,17,28

C C

PRSNT#11
PRSNT#12

AD31
AD29

AD27
AD25

C/BE#3

AD23
AD21
AD19

AD17

C/BE#2

C/BE#1

AD14
AD12
AD10

AD8
AD7

AD5
AD3

AD1

PU1_REQ64#

B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49

B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62

B1
B2
B3
B4
B5
B6
B7
B8
B9

J34

-12V
TCK
GND
TDO
+5V
+5V
INTB#
INTD#
PRSNT1#
RSV
PRSNT2#
GND
GND
RSV
GND
CLK
GND
REQ#
+5V
AD(31)
AD(29)
GND
AD(27)
AD(25)
+3.3V
C/BE#3)
AD(23)
GND
AD(21)
AD(19)
+3.3V
AD(17)
C/BE#(2)
GND
IRDY#
+3.3V
DEVSEL#
GND
LOCK#
PERR#
+3.3V
SERR#
+3.3V
C/BE#(1)
AD(14)
GND
AD(12)
AD(10)
GND

AD(8)
AD(7)
+3.3V
AD(5)
AD(3)
GND
AD(1)
+5V
ACK64#
+5V
+5V

PCI_CONN

TRST#

+12V
TMS

INTA#
INTC#

GND
GND

RESET#

GNT#

GND

PME#

AD(30)

+3.3V
AD(28)
AD(26)

GND

AD(24)

IDSEL

+3.3V
AD(22)
AD(20)

GND
AD(18)
AD(16)

+3.3V

FRAME#

GND

TRDY#

GND
STOP#

+3.3V

SDONE

SBO#

GND
AD(15)

+3.3V
AD(13)
AD(11)

GND

AD(09)

C/BE#(0)

+3.3V
AD(06)
AD(04)

GND
AD(02)
AD(00)

REQ64#

+5V

+5V
RSV
+5V
RSV

RSV
+5V

PAR

+5V
+5V

+5V

VCC3

VCC

+12V

A1
A2
A3
A4

TDI

A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49

A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
A62

AD30
AD28

AD26
AD24

R_AD26
AD22

AD20
AD18

AD16

AD15
AD13

AD11
AD9

C/BE#0

AD6
AD4

AD2
AD0

PU1_ACK64#

1 AND 2

PTRST# 17
PTMS 17

PTDI 17

PIRQ#A 13,15,17,28
PIRQ#C 13,17,28

PCIRST# 6,12,15,17
PGNT#0 7,28

FRAME# 7,12,17,28
TRDY# 7,12,17,28
STOP# 7,12,17,28

SDONEP1
SBOP1

PAR 7,12,17

PTCK

R59

5.6K

PCLK25

PREQ#17,28

AD31
AD29

AD27
A_D25

AD23
AD21
AD19

AD17 AD16

AD14
AD12
AD10

AD8
AD7

AD5
AD3

AD1

VCC3

VCC

-12V

J35

B1

-12V

B2

TCK

B3

GND

B4

TDO

B5

+5V

B6

+5V

B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49

B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62

B7
B8
B9

INTB#
INTD#
PRSNT1#
RSV
PRSNT2#
GND
GND
RSV
GND
CLK
GND
REQ#
+5V
AD(31)
AD(29)
GND
AD(27)
AD(25)
+3.3V
C/BE#3)
AD(23)
GND
AD(21)
AD(19)
+3.3V
AD(17)
C/BE#(2)
GND
IRDY#
+3.3V
DEVSEL#
GND
LOCK#
PERR#
+3.3V
SERR#
+3.3V
C/BE#(1)
AD(14)
GND
AD(12)
AD(10)
GND

AD(8)
AD(7)
+3.3V
AD(5)
AD(3)
GND
AD(1)
+5V
ACK64#
+5V
+5V

PCI_CONN

PIRQ#C PIRQ#D
PIRQ#A

PRSNT#21
PRSNT#22

C/BE#3

C/BE#2
IRDY#
DEVSEL#
PLOCK#

PERR#
SERR#
C/BE#1

PU2_REQ64# PU2_ACK64#

TRST#

+12V

INTA#
INTC#

RESET#

GNT#

PME#

AD(30)

+3.3V
AD(28)
AD(26)

AD(24)

IDSEL

+3.3V
AD(22)
AD(20)

AD(18)
AD(16)

+3.3V

FRAME#

TRDY#
STOP#

+3.3V

SDONE

SBO#

AD(15)

+3.3V
AD(13)
AD(11)

AD(09)

KEYKEY

C/BE#(0)

+3.3V
AD(06)
AD(04)

AD(02)
AD(00)

REQ64#

TMS

+5V

+5V

RSV

+5V
RSV
GND
GND
RSV

+5V
GND

GND

GND

GND
GND

GND
PAR

GND

GND

+5V

+5V

+5V

VCC3

VCC

A1
A2
A3
A4

TDI

A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49

A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
A62

+12V

PIRQ#B

PCIRST#

PCI_PME#PCI_PME#

AD30
AD28

AD26
AD24

R_AD27
AD22

AD20
AD18

FRAME#
TRDY#
STOP#

PAR

AD15
AD13

AD11
AD9

C/BE#0

AD6
AD4

AD2
AD0

VCC VCC

R57

5.6K

PGNT#1 7,28
PCI_PME# 13,17,28

R58

5.6K

SDONEP2
SBOP2

R60

5.6K

PTRST#
PTMS

PTDI

C/BE#[3:0]7,12,17

AD[31:0]7,12,17

VCC

SDONEP1
SDONEP2
SBOP1
SBOP2

D D

1

RP2

1 8
2 7
3 6
4 5

5.6K

2

PRSNT#11

PRSNT#12 PU1_ACK64#

PRSNT#21 R_AD27

PRSNT#22

3

C14

0.1 uF
C15

0.1 uF
C16

0.1 uF
C17

0.1 uF

VCC

R61

PU1_REQ64#

PU2_ACK64#

PU2_REQ64#

4

5

2.7KR63

2.7K R65

2.7KR66

2.7K
INTEL CORPORATION

PLATFORM COMPONENTS DIVISION
1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Size Document Number Rev
Custom

6

Date: Sheet of

R62

AD26

100
R64

AD27

100

PCI CONNECTORS 1 & 2

7

R_AD26

Intel(R) 440BX AGPset

16 34Thursday, April 09, 1998

8

1.0

1

2

3

4

5

6

7

8

VCC3

VCC

-12V

A A

PTCK16

PIRQ#B13,15,16,28

PCLK35 PCLK45

PREQ#27,28 PREQ#37,28

B B

IRDY#7,12,16,28

DEVSEL#7,12,16,28

PLOCK#7,16,28

PERR#16,28

SERR#7,12,16,28

C C

PRSNT#31 PRSNT#41
PRSNT#32 PRSNT#42

AD31 AD30 AD31 AD30
AD29 AD29

AD27 AD26 AD27 AD26
AD25 AD25

C/BE#3 R_AD29 C/BE#3

AD23 AD23AD22 AD22
AD21 AD20 AD21 AD20
AD19 AD19

AD17 AD16 AD17 AD16

C/BE#2 C/BE#2

C/BE#1 AD15 C/BE#1 AD15

AD14 AD14AD13 AD13
AD12 AD11 AD12 AD11
AD10 AD10

AD8 C/BE#0 AD8 C/BE#0
AD7 AD7

AD5 AD4 AD5 AD4
AD3 AD3

AD1 AD0 AD1 AD0

PU3_REQ64# PU3_ACK64# PU4_REQ64# PU4_ACK64#

B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49

B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62

B1
B2
B3
B4
B5
B6
B7
B8
B9

J36

-12V
TCK
GND
TDO
+5V
+5V
INTB#
INTD#
PRSNT1#
RSV
PRSNT2#
GND
GND
RSV
GND
CLK
GND
REQ#
+5V
AD(31)
AD(29)
GND
AD(27)
AD(25)
+3.3V
C/BE#3)
AD(23)
GND
AD(21)
AD(19)
+3.3V
AD(17)
C/BE#(2)
GND
IRDY#
+3.3V
DEVSEL#
GND
LOCK#
PERR#
+3.3V
SERR#
+3.3V
C/BE#(1)
AD(14)
GND
AD(12)
AD(10)
GND

AD(8)
AD(7)
+3.3V
AD(5)
AD(3)
GND
AD(1)
+5V
ACK64#
+5V
+5V

PCI_CONN

FRAME#

C/BE#(0)

TRST#

+12V

TMS

TDI

+5V

INTA#

INTC#

+5V
RSV
+5V
RSV
GND
GND
RSV

RESET#

+5V

GNT#

GND

PME#

AD(30)

+3.3V
AD(28)
AD(26)

GND

AD(24)

IDSEL

+3.3V
AD(22)
AD(20)

GND
AD(18)
AD(16)

+3.3V

GND
TRDY#

GND
STOP#

+3.3V

SDONE

SBO#

GND

PAR
AD(15)

+3.3V
AD(13)
AD(11)

GND

AD(09)

+3.3V
AD(06)
AD(04)

GND
AD(02)
AD(00)

+5V

REQ64#

+5V

+5V

A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34
A35
A36
A37
A38
A39
A40
A41
A42
A43
A44
A45
A46
A47
A48
A49

A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
A62

VCC

PCI CONNECTORS

VCC3

+12V

AD28 AD28

AD24 AD24

AD18 AD18

AD9 AD9

AD6 AD6

AD2 AD2

3 AND 4

PTRST# 16
PTMS 16

PTDI 16

PIRQ#C 13,16,28
PIRQ#A 13,15,16,28PIRQ#D13,16,28

PCIRST# 6,12,15,16

FRAME# 7,12,16,28
TRDY# 7,12,16,28
STOP# 7,12,16,28

PAR 7,12,16

SDONEP3
SBOP3

PTCKPTCK

VCC3

VCC

-12V

J37

B1

-12V

B2

TCK

B3

GND

B4

TDO

B5

+5V

B6

+5V

B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31
B32
B33
B34
B35
B36
B37
B38
B39
B40
B41
B42
B43
B44
B45
B46
B47
B48
B49

B52
B53
B54
B55
B56
B57
B58
B59
B60
B61
B62

B7
B8
B9

INTB#
INTD#
PRSNT1#
RSV
PRSNT2#
GND
GND
RSV
GND
CLK
GND
REQ#
+5V
AD(31)
AD(29)
GND
AD(27)
AD(25)
+3.3V
C/BE#3)
AD(23)
GND
AD(21)
AD(19)
+3.3V
AD(17)
C/BE#(2)
GND
IRDY#
+3.3V
DEVSEL#
GND
LOCK#
PERR#
+3.3V
SERR#
+3.3V
C/BE#(1)
AD(14)
GND
AD(12)
AD(10)
GND

AD(8)
AD(7)
+3.3V
AD(5)
AD(3)
GND
AD(1)
+5V
ACK64#
+5V
+5V

PCI_CONN

PIRQ#A PIRQ#B
PIRQ#C

IRDY#
DEVSEL#
PLOCK#

PERR#
SERR#

TRST#

+12V
TMS

+5V
INTA#
INTC#

+5V

RSV

+5V

RSV

GND
GND

RSV

RESET#

+5V
GNT#

GND

PME#

AD(30)

+3.3V

AD(28)
AD(26)

GND

AD(24)

IDSEL

+3.3V

AD(22)
AD(20)

GND
AD(18)
AD(16)

+3.3V

FRAME#

GND
TRDY#

GND
STOP#

+3.3V

SDONE

SBO#

GND

PAR

AD(15)

+3.3V
AD(13)
AD(11)

GND

AD(09)

KEYKEY

C/BE#(0)

+3.3V
AD(06)
AD(04)

GND
AD(02)
AD(00)

+5V

REQ64#

+5V
+5V

VCC3

+12V

VCC

A1
A2
A3
A4

TDI

A5
A6

PIRQ#D
A7
A8
A9
A10
A11
A12
A13
A14
A15

PCIRST#
A16
A17
A18

PCI_PME#PCI_PME#

A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31
A32
A33
A34

FRAME#
A35
A36

TRDY#
A37
A38

STOP#
A39
A40
A41
A42
A43

PAR
A44
A45
A46
A47
A48
A49

A52
A53
A54
A55
A56
A57
A58
A59
A60
A61
A62

R_AD31

PGNT#3 7,28PGNT#2 7,28
PCI_PME# 13,16,28

SDONEP4
SBOP4

PTRST#
PTMS

PTDI

C/BE#[3:0]7,12,16

AD[31:0]7,12,16

PRSNT#31

VCC

SDONEP3
SDONEP4
SBOP3
SBOP4

D D

1

RP3

1 8
2 7
3 6
4 5

5.6K

2

PRSNT#32 PU3_ACK64#

PRSNT#41

PRSNT#42

3

C18

0.1 uF
C19

0.1 uF
C20

0.1 uF
C21

0.1 uF

VCC

R67

PU3_REQ64#

PU4_ACK64# R_AD31

PU4_REQ64#

4

5

2.7KR69

2.7K R70

2.7KR72

2.7K

6

AD29

AD31

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Size Document Number Rev
Custom

Date: Sheet of

R68

R_AD29
100
R71

100

PCI CONNECTORS 3 & 4

Intel(R) 440BX AGPset

7

17 34Thursday, April 09, 1998

8

1.0

1

2

3

4

5

6

7

8

ISA SLOTS

VCC

A A

R73

1K

VCC

R74
1K

VCC

VCC

J12

B1

GND

BRSTDRV26

-5V

-12V

+12V

B B

C C

IRQ913,14,29

DRQ213,14,29

ZEROWS#12,29

SMEMW#12

SMEMR#12

IOW#12,14,29,33
IOR#12,14,29,33

DACK#313,14

DRQ313,14,29

DACK#113,14

DRQ113,14,29

REFRESH#12,29

SYSCLK12,33

IRQ713,14,29
IRQ613,14,29
IRQ513,14,29
IRQ413,14,29
IRQ313,14,29

DACK#213,14

TC13,14

BALE12

OSC15

MEMCS16#12,29

IOCS16#12,29

IRQ1013,14,29
IRQ1113,14,29
IRQ1213,14,29
IRQ1513,14,19,29
IRQ1413,14,19,29

DACK#013,14

DRQ013,14,29

DACK#513

DRQ513,29

DACK#613

DRQ613,29

DACK#713

DRQ713,29

RMASTER#29

C22

47pF

B2
B3
B4
B5
B6
B7
B8

B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31

D1
D2
D3
D4
D5
D6
D7
D8

D9
D10
D11
D12
D13
D14
D15
D16
D17
D18

CON_ISA16C

BRSTDRV
VCC
IRQ9

-5V
DREQ2

-12V
ZEROWS#
+12V
GND
SMEMW#
SMEMR#
IOW#
IOR#
DACK3#
DREQ3#
DACK1#
DREQ1
REFRESH#
SYSCLK
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
TC
BALE
VCC
OSC
GND

MEMCS16#
IOCS16#
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14
DACK0#
DREQ0
DACK5#
DREQ5
DACK6#
DREQ6
DACK7#
DREQ7
VCC
MASTER#
GND

ISA 0

IOCHK#

SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0

IOCHRDY

AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10

SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0

SBHE#

LA23
LA22
LA21
LA20
LA19
LA18
LA17

MEMR#

MEMW#

SD8

SD9
SD10
SD11
SD12
SD13
SD14
SD15

A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31

C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18

IOCHK# 12,29
SD7 12,14,29
SD6 12,14,29
SD5 12,14,29
SD4 12,14,29
SD3 12,14,29
SD2 12,14,29
SD1 12,14,29
SD0 12,14,29
IOCHRDY 12,14,29
AEN 12,14
SA19 12,21,29
SA18 12,21,29
SA17 12,21,29
SA16 12,21,29
SA15 12,14,21,29
SA14 12,14,21,29
SA13 12,14,21,29
SA12 12,14,21,29
SA11 12,14,21,29
SA10 12,14,21,29
SA9 12,14,21,29
SA8 12,14,21,29
SA7 12,14,21,29
SA6 12,14,21,29
SA5 12,14,21,29
SA4 12,14,21,29
SA3 12,14,21,29
SA2 12,14,21,29,33
SA1 12,14,21,29,33
SA0 12,14,21,29,33

SBHE# 12
LA23 12,29
LA22 12,29
LA21 12,29
LA20 12,29
LA19 12,29
LA18 12,29
LA17 12,29
MEMR# 12,21,29
MEMW# 12,21,29
SD8 12,29
SD9 12,29
SD10 12,29
SD11 12,29
SD12 12,29
SD13 12,29
SD14 12,29
SD15 12,29

NOTE :

DEFAULT NO STUFF.
THIS CAP USED
TO FILTER NOISE

ON TC SIGNAL.

NS5
TBD

+12V

BRSTDRV SD7

-5V

IRQ9 SD5

-12V

DRQ2 SD3
ZEROWS# SD1

SMEMW# AEN
SMEMR# SA19
IOW# SA18
IOR# SA17
DACK#3 SA16
DRQ3 SA15
DACK#1 SA14
DRQ1 SA13
REFRESH# SA12
SYSCLK SA11
IRQ7 SA10
IRQ6 SA9
IRQ5 SA8
IRQ4 SA7
IRQ3 SA6
DACK#2 SA5
TC SA4
BALE SA3

OSC1 SA1

MEMCS16# SBHE#
IOCS16# LA23
IRQ10 LA22
IRQ11 LA21
IRQ12 LA20
IRQ15 LA19
IRQ14 LA18
DACK#0 LA17
DRQ0 MEMR#
DACK#5 MEMW#
DRQ5 SD8
DACK#6 SD9
DRQ6 SD10
DACK#7 SD11
DRQ7 SD12

RMASTER# SD14

J13

B1
B2
B3
B4
B5
B6
B7
B8

B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
B21
B22
B23
B24
B25
B26
B27
B28
B29
B30
B31

D1

D2

D3

D4

D5

D6

D7

D8

D9
D10
D11
D12
D13
D14
D15
D16
D17
D18

CON_ISA16C

GND
BRSTDRV
VCC
IRQ9

-5V
DREQ2

-12V
ZEROWS#
+12V
GND
SMEMW#
SMEMR#
IOW#
IOR#
DACK3#
DREQ3#
DACK1#
DREQ1
REFRESH#
SYSCLK
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
TC
BALE
VCC
OSC
GND

MEMCS16#
IOCS16#
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14
DACK0#
DREQ0
DACK5#
DREQ5
DACK6#
DREQ6
DACK7#
DREQ7
VCC
MASTER#
GND

ISA 1

IOCHK#

SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0

IOCHRDY

AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10

SA9

SA8

SA7

SA6

SA5

SA4

SA3

SA2

SA1

SA0

SBHE#

LA23
LA22
LA21
LA20
LA19
LA18
LA17

MEMR#

MEMW#

SD8

SD9
SD10
SD11
SD12
SD13
SD14
SD15

A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
A29
A30
A31

C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18

IOCHK#
SD6
SD4
SD2
SD0

IOCHRDY

SA2
SA0

SD13
SD15

C23

47pF

D D

1

2

3

4

5

6

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

ISA SLOTS

Size Document Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset

7

18 34Thursday, April 09, 1998

8

1.0

1

A A

2

3

4

5

6

7

8

IDE CONNECTORS

SDD[15:0]12

PDD[15:0]12

R75

BRSTDRV#26

RP4

1 16

PDD7

2 15

PDD6

3 14

PDD5

4 13

B B

PDREQ12

PDIOW#12

PDIOR#12
PIORDY12

PDDACK#12

PDD4

5 12

PDD3

6 11

PDD2

7 10

PDD1

8 9

PDD0

VCC VCC

R77

1K

33

R79

33

33

1 8
2 7
3 6

PDA1 R_PDA1 R_SDA1

4 5

PDA0

PCS1#12

IDEACTP#26 IDEACTS#26

C C

PDA[2:0]12 SDA[2:0]12

IRQ1413,14,18,29

R93

5.6K

R_BRSTDRV#1

33

DD7#1DD7#1 DD8#1 DD7#2DD7#2 DD8#2
DD6#1DD6#1 DD9#1 DD6#2DD6#2 DD9#2
DD5#1DD5#1 DD10#1 DD5#2DD5#2 DD10#2

DD4#1 DD11#1 DD4#2 DD11#2

DD3#1DD3#1 DD12#1 DD3#2DD3#2 DD12#2
DD2#1DD2#1 DD13#1 DD2#2DD2#2 DD13#2

R270
10K

R_PDDREQ#

RP8

DD1#1DD1#1 DD14#1 DD1#2DD1#2 DD14#2
DD0#1DD0#1 DD15#1 DD0#2DD0#2 DD15#2

R81

R_PDIOW# R_SDIOW#

33R83

R_PDIOR# R_SDIOR#

R259
47

RPDACK# RSDACK#

R_PDA0

33
R89

R_PCS1#

33

R261

47

1
3
5
7

9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39

PRIMARY
IDE CONN.

J14

2

BRSTDRV#
4
6
8
10
12
14
16

RP5
1 16
2 15
3 14
4 13
5 12
6 11
7 10
8 9

33

PDD8
PDD9
PDD10
PDD11
PDD12
PDD13
PDD14
PDD15

18
20
22
24
26
28

PRI_PD1 SEC_PD1
30
32
34
36

R_PDA2
38

R_PCS3# R_SCS3#
40

R85
470

R87

R90

PDA2

33

33

SDREQ12
SDIOW#12

SDIOR#12

SIORDY12

SDDACK#12

PCS3# 12

SCS1#12

IRQ1513,14,18,29

SDD7
SDD6
SDD5
SDD4
SDD3
SDD2
SDD1
SDD0

1 16
2 15
3 14
4 13
5 12
6 11
7 10
8 9

R78
1K

R94

5.6K

RP6

33

SDA1
SDA0

33

R80

33

1 8
2 7
3 6
4 5

R271
10K

R91

R262

RP9

33

R76

R_BRSTDRV#2

33

R_SDDREQ#

R82
33R84

R260

47

R_SDA0

R_SCS1#

33

47

J15
1
3
5
7
9

11
13
15
17
19
21
23
25
27
29
31
33
35
37
39

SECONDARY
IDE CONN.

2
4
6
8
10
12
14
16

RP7
1 16
2 15
3 14
4 13
5 12
6 11
7 10
8 9

33

SDD8
SDD9
SDD10
SDD11
SDD12
SDD13
SDD14
SDD15

18
20
22
24
26
28
30
32
34
36

R_SDA2
38
40

R86
470

R92

R88

SDA2

33

33

SCS3# 12

D D

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

PCI IDE CONNECTORS

Size Document Number Rev
Custom

1

2

3

4

5

6

Date: Sheet of

Intel(R) 440BX AGPset

7

19 34Thursday, April 09, 1998

8

1.0

A

(

)

(

)

y

B

C

D

E

USB CONNECTORS

VCC

4 4

OC#013

VCC

3 3

2 2

OC#113

VCC3

AGP_OC#15

USBP0-13
USBP0+13

USBP1-13
USBP1+13

**NOTE:
PLACE R201-204 AND
C158-161 AS CLOSE
AS POSSIBLE TO THE

F1

1.5-2.0A

R263
330K

C161

47pF

PIIX4.

1 1

A

USB_PWR0

C24

0.001uF

F2

1.5-2.0A

R246
0

R247
0

DO NOT STUFF

R204
27

R203
27

C160

C159

C158

47pF

47pF

47pF

R95

470K

R96

560K

R202
27

USB_PWR1

C28

0.001uF

R201
27

B

R97

470K

R98

560K

TANTALUM

TANTALUM

R105

15K

C25

68 uF

C29

68 uF

R106

15K

BLM31A700S
L1

+

BLM31A700S
L4

+

R107

15K

R108

15K

J16

21

C26

0.1 uF

21

C30

0.1 uF

R104

R_USBD1+

R_USBD1-

0

0

Title

Size Document Number Rev
Custom

Date: Sheet of

R102

C

USBV0
USBD0­USBD0+
USBG0

C27

470 pF

USBV1
USBD1­USBD1+
USBG1

C31

470 pF

R109

DO NOT
STUFF

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

USB HEADER

D

R110

, April 09, 1998

1

VCC

2

DATA-

3

DATA+

4

GND

21

21

USB_CON_0.0

L3

BLM31A700S

J17

1

VCC

2

DATA-

3

DATA+

4

GND

USB_CON_0.0

L6

BLM31A700S

0

0

Intel(R) 440BX AGPset

5

5

6

6

5

5

6

6

USBAGP+ 15

USBAGP- 15

UGND0

21

L2

BLM31A700S

UGND1

21

L5
BLM31A700S

NOTE:
USE PIIX4

APPLICATION NOTE
FOR LAYOUT
GUIDELINES

20 34Thursda

E

1.0

1

A A

2

3

4

5

6

7

8

SYSTEM ROM

STUFFING OPTION

VCC

JP20

MODE

U8A

1 2

74HCT14

B B

MODE

Prog Boot Block

PROG DEV

(incl. boot block)

PnP

Write Protect

MEMW#12,18,29

MEMR#12,18,29

C C

B_SA17

JP9

1-2

1-2
2-3

2-3

PWRGOOD3,26

SA17

JP10

2-3
1-2
1-2
2-3

1
3

+12V

JP8

2

J_SA17

JP9

1

2

3

FL2MPU

C37

0.01 uF

NORMAL

RECOVERY

FLASH SOCKET

SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10 XD0
SA9 XD1
SA8 XD2
SA7 XD3
SA6 XD4
SA5 XD5
SA4 XD6
SA3 XD7
SA2
SA1
SA0

JP8

1-2
2-3

40

1
2
3
4
5
6

36

7

8
14
15
16
17
18
19
20
21

9
24
22
10

U9
A17

A16
A15
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0

WE#
OE#
CE#
RP#

E28F002BC-T

DU

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7

NC
NC
NC
NC

VPP

12

25
26
27
28
32
33
34
35

13
29
37
38

11

TSOP SOCKET

C36

0.01 uF

FL_VPP

SA19
SA16
SA15
SA12 SA14
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0

XD0

XD[7:0] 14,33SA[19:0]12,14,18,29,33

XD1
XD2

* Header provided for BIOS emulation

+12V

JP10

1

2

3

FL1MPU

12
34
56
78

910
1112
1314
1516
1718
1920
2122
2324
2526
2728
2930
3132
3334

Emulator Header

XD7
XD6
XD5
XD4
XD3

SA18
SA17

SA13
SA8
SA9
SA11

SA10

MEMW#
BIOSCS#

BIOSCS#13

D D

1

2

3

4

5

6

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

SYSTEM ROM

Size Document Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset

7

21 34Thursday, April 09, 1998

8

1.0

1

A A

PDR[7:0]14

B B

AFD#R14
STB#R14

INIT#R14

PDR0

PDR3

SLIN#R14

C C

ERR#14
SLCT14

PE14

BUSY14

ACK#14

PDR2
PDR1

PDR7
PDR6
PDR5
PDR4

RP11

33

RP13

33

RP15

33

2

VCC

D4
IN4148

PAR5VOLTS

RP10

45
36
27
18

1K

RP12

45
36
27
18

45
36
27
18

1K

RP14
1 8
2 7
3 6
4 5

1K

RP16

3

4

180pF

180pF

180pF

C38

C40

C42

5

C39

180pF

C41

180pF

6

7

8

PARALLEL

HEADER

45
36
27
18

45
36
27
18

C44

180pF

C46

180pF

C48

180pF

C43

180pF

C45

180pF

C47

180pF

AFD#
ERR#
INIT#
SLIN#

STB#
PD0
PD1
PD2
PD3
PD4
PD5
PD6

PD7
ACK#
BUSY
PE
SLCT

C49

C50

180pF

45
36
27
18

C52

180pF

180pF

C51

180pF

J18

1

14

2

15

3

16

4

17

5

18

6

19

7

20

8

21

9
22
10
23
11
24
12
25
13

CONNECTOR DB25

1K

C53

180pF

RP17
1 8
2 7
3 6
4 5

1K

C54

180pF

D D

1

2

3

4

5

6

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

PARALLEL PORT

Size Document Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset

7

22 34Thursday, April 09, 1998

8

1.0

A

B

C

D

E

VCC+12V

U10
VCC+1VCC

-12V

-12V

2

RA

3

RA

4

RA

5

DY

6

DY

7

RA

8

DY

9

RA

10

VCC­GD75232SOP

U11
VCC+1VCC

2

RA

3

RA

4

RA

5

DY

6

DY

7

RA

8

DY

9

RA

10

VCC­GD75232SOP

DSKCHG#14

SIDE1#14

RDATA#14

WPT#14

TRK0#14

W G ATE#14

WDATA#14

STEP#14

DIR#14

MOTEB#14

DRVSA#14

DRVSB#14
MOTEA#14

INDEX#14

DRATE014

REDWC#14

SP_DCD0
SP_RXD0
SP_DSR0

4 4

3 3

2 2

1 1

A

SP_DTR0
SP_TXD0
SP_CTS0
SP_RTS0
SP_RI0

SP_DCD1
SP_RXD1
SP_DSR1

SP_DTR1
SP_TXD1
SP_CTS1
SP_RTS1
SP_RI1

B

RY
RY
RY

DA
DA

RY

DA

RY

GND

GND

RY
RY
RY
DA
DA
RY
DA
RY

20
19
18
17
16
15
14
13
12
11

VCC

TP28

RLSD0# 14
RX0 14
DSR0# 14
DTR0# 14
TX0 1 4
CTS0# 14

RI1#

RP18

1K

RTS0# 14
RI0# 14

RLSD1# 14
RX1 14
DSR1# 14
DTR1# 14
TX1 14
CTS1# 14
RTS1# 14
RI1# 14

45
36
27
18

1

TP094

C

FLOPPY

INTERFACE

HEADER

J21

RI0#

VCC+12V

20
19
18
17
16
15
14
13
12
11

R112

1.0K

3334
3132
2930
2728
2526
2324
2122
1920
1718
1516
1314
1112

910
78
56
34
12

SP_DCD0
SP_RXD0

SP_TXD0
SP_DTR0

SP_DSR0
SP_RTS0
SP_CTS0
SP_RI0

SP_DCD1
SP_RXD1
SP_TXD1
SP_DTR1

SP_DSR1
SP_RTS1
SP_CTS1
SP_RI1

100pF

C59
100pF

C67
100pF

C55

C63

100pF

D

C56

100pF

C60
100pF

C68
100pF

100pF

GPI21 13

C64

100pF

C61
100pF

C69
100pF

C57

C65

100pF

100pF

C62
100pF

C70
100pF

C58

C66

100pF

** Connected to GPI21 of the
PIIX4 for BIOS detection of a
floppy drive.

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

SERIAL AND FLOPPY

Size Document Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset

J19
1

2
3

COM 0

4
5
6

HEADER

7
8
9

HEADER 9

J20
1

2
3
4
5
6
7
8
9

HEADER 9

23 34Thursday, April 09, 1998

E

COM 1

HEADER

1.0

1

(R)

y

2

3

4

5

6

7

8

VCC

A A

STUFFING
OPTION

F3

1.25A

F4

1.35A

KB5V

21

L7

BLM31A700S

L8

B B

KBDAT#14

KBCLK#14

2 1

BLM31A700S

L9

2 1

KB DAT_FB#

KBCLK_FB#KBCLK_FB#

TP29

TP30

1

TP095

KBSIGNDKBSIGND

1

TP096

KB5V_FBKB5V_FB

BLM31A700S

L10

MSDAT#14

2 1

BLM31A700S

L11

MSCLK#14

2 1

MSDAT_FB#

MSCLK_FB#MSCLK_FB#

TP31

TP32

1

TP097

1

TP098

BLM31A700S

C71

C C

470pf

C72
470pF

C73
470pF

C74
470pF

C75

0.1 uF

KBSHGND

J22
1

2
3
4
5
6
7
8
9

J23
1

2
3
4
5
6
7
8
9

KEYBOARD
CONNECTOR

MOUSE
CONNECTOR

L12

BLM31A700S

L13

BLM31A700S

2 1

D D

1

2

3

4

5

2 1

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

KEYBOARD/MOUSE INTERFACE

Size Document Number Rev
Custom

6

Date: Sheet of

Intel

, April 09, 1998

7

440BX AGPset 1 .0

24 34Thursda

8

1

g

y

(

)

(

)

]

VID[4:0

4,33

VCCCORE

A A

VID0
VID2
VID4

B B

C C

VTT REGULATOR

VCC3 VTT

VR1

3

VIN

+

LT1585A-1.5

D D

C79
22 uF 16V

Solid Tantalum

1

2

VOUT

1

GND

**NOTE** VOLTAGE
REGULATOR SHOULD
BE LOCATED NEAR
THE 440BX

2

+12V

J24

A1

5Vin

A2

5Vin

A3

5Vin

A4

12 Vin

A5

12 Vin

A6

ISHARE

A7

VID0

A8

VID2

A9

VID4

A10

VCCcore

A11

Vss

A12

VCCcore

A13

Vss

A14

VCCcore

A15

Vss

A16

VCCcore

A17

Vss

A18

VCCcore

A19

Vss

A20

VCCcore

VRM8_2.05

**NOTE** This is the new VRM8_2.05 which has two pin
chan

es, pin A5 is now 12Vin and pin B3 is now 5Vin.

CRESET#6

12VIN

RES.

OUTEN

PWRGD

VCCcore

VCCcore

VCCcore

VCCcore

VCCcore

+

C76
22 uF 16V

Solid Tantalum

2

C166
1 uF

1.0 uF
CERAMIC

5Vin
5Vin
5Vin

VID1
VID3

Vss

Vss

Vss

Vss

Vss

Vss

C77

X7R

3

3

B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20

+12V

C80

1.0 uF

+12V

VCCVCC

VCC3 VCC3

ROE1

VID1
VID3

V25_G1

R113
10K

VCC3

13 12

VR2

1
2
3
4

LT1575_0.1

V25_R3

R119

1.21K
1%

R248
10K

S/D
VIN
GND
FB

4

R114
10K

VCCCORE

U8F

74H CT14

R118

1.30K
1%

4

IPOS
INEG

GATE

COMP

C83
2200pF

VRMPGD 26

VCC3

RP19

4.7K

1 8

2 7

3 6

4 5

KL_CFG1

KL_CFG2

KL_CFG3

KL_CFG4

PX4_A20M#13 ,28

PX 4_IGNNE#13,28

PX4_INTR13,28

PX4_NMI13,28

CRESET_BF#

2.5V REGULATOR

8
7
6
5

V25_R2

R117

100

V2R

C84

0.01 uF

5

JP11

JP12

JP13

JP14

U13

2

1A1
1A2
1A3
1A4
2A1
2A2
2A3
2A4

1G
2G

74LVC3244

VCC3

R116
10

1Y1
1Y2
1Y3
1Y4
2Y1
2Y2
2Y3
2Y4

V2GV25_R1

C81

1.0 uF
CERAMIC
X7R

4
6

8
11
13
15
17

1
19

C78

1.0 uF

5

6

* ADDITIONAL STRAP CONFIGURATIONS MAY BE
NECESSARY TO SUPPORT THE DS1P.

Frequency Multiplier:
(System Bus to

Pro cessor Core)

3
4
5

5/2
7/2
9/2

A20_PB

IGNE_PBIGNE_PB

18
16
14
12
9
7
5
3

2

4

1

3

++

6

LINT1_PB

Q1

MMFT3055EL

C82
22 uF 16V

LINT0_PB

VCC2.5

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Size Document Number Rev
Custom

Date: Sheet of

7

LINT[1]LINT[0]IGNNE# A20M#

JP14 JP13

L

LHL

L

L

L

L

L

H

L

H

L

H

U12A

1 2

74F07
U12B

3 4

74F07
U12C

5 6

74F07
U12D

9 8

74F07

DC-DC CONVERTER CONNECTORS

Intel(R) 440BX AGPset 1.0

, April 09, 1998

7

JP11

JP12

H

L

H

H

L

L

HL

H

L

A20M# 3,28

IGNNE# 3,28

LINT0 3,28

LINT1 3,28

25 34Thursda

8

8

1

A A

FAN_LED13

VCC VCC

12

12

R124

B B

IDEACTP#19
IDEACTS#19

C C

JP_RST

J29

RESET
SW ITCH
HEADER

D D

MMBZ5226BL
SOT-23

S2

D5

1 3

1

10K

VRMPGD25

R132

100

3VSB

R125
10K

C93

0.01 uF

2

U14B

3 4

74F06

U12F

13 12

7407

U14C

5 6

74F06

HARD DRIVE
LED
CONNECTOR

U16A

1
2

74ALS08

C91

0.01 uF

+

C94
10uF

3

VCC3

+

2

R131

4.7K

C92
10uF

VCC

VCC

R274

330

R275

330

C88
470 pF

IDE_LED

5VSB

R134

56

C172
100pF

C173
100pF

VCC

12

R126
470

ILPU1

C89
470 pF

ATX POWER

VCC3

CONNECTOR

R135
22K

3

CHASSIS
POWER LED

J25
1

2
3

ON-BOARD

DUAL-COLOR LED

GREEN

D10
LED

OPTIONAL
ATX
CONNECTOR

J38

4 1

1394M

5 2

1394V

6 3

RES

Molex 39-30-1060

J28
1

2
3
4

4 HEADER

B_SUSC13

J30
1 2

3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20

R_RSMRST#

C95

1.0 uF

3

4

+12V +12V

R272

4,7K

Q7
P-FET

SI9933DYS

D9

D11
LED

1N4148

RED

VCC

R277

4.7K

FanM
FanC
Sense

DBRESET#5

+12V

VCC

-5V

-12V

Resume Reset circuitry
using a 22 msec delay
and Schmitt trigger logic.

9 8

VCC

R133

8.2K

9 8

PG1 PG2

4

U7D

74AS07

VCC3

R128
240

U8D

74HCT14

3VSB

U5D

14

9 8

7

74LVC14

R273

1.2K

R276

1.2K

VCC

R278

4.7K

VCC3

12

R279
0

BRSM1

PSFAN2 33

5VSB

U17A

14
1
2

13

7

74HC10

PG3

11 10

5

12

U8E

74HCT14

3VSB

U5E

14

11 10

7

74LVC14

5

6

U8B

RSTDRV12,14

SPKR13

3VSB

PG4 PG5

3 4

74HCT14

R123

12

SPK1

2.2K

+12V

C86

0.1 uF

ACPI required POWER BUTTON to
be located on the front of the chasis.

S1

SW PUSHBUTTON

JP15

PWR_ON_JMP

3VSB

R130

4.7K

U12E

11 10

74F07

WOLLID13

PS_POK 13

LID13,28

RSMRST# 13

6

7

BRSTDRV# 19

U8C

5 6

Q2
MMBT3904L

74HCT14

R121

12

68
R122

12

68

CPU FAN
HEADER

J26

SENSE

3

+12V

2

GND

1

640456-3

BRSTDRV 18

TP33

12

C87

0.1uF

TP888

BUZZ2SPK2

VCC

R230

4.7K

USE AMP P/N 640456-3 HEADER

OR E QU IVALENT.

3VSB

U5B

14

12

R127
510K

C90

0.1 uF

1 2

3VSB

14

5 6

7

U28B

74F07

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

Size Document Number Rev
Custom

Date: Sheet of

3 4

7

74LVC14

VCC2.5

U14A

74F06

U5C

74LVC14

5VSB

7

34

14

12

R293
1K

Power Connector & Misc

Intel(R) 440BX AGPset

7

R129
330

PWRGOOD 3,21

PWRO K 7,13

Wake-On-LAN

5VSB

Header

J39

AMP 173981-3

(or Foxconn HF58030)

**OPTIONAL** WOL support
requires 600mA of Stand-By
current.

VCC

key

CPUFAN1 33

PWRBT# 13

POWER-ON 13

3
2
1

8

26 34Thursday, April 09, 1998

8

Speaker
Header

J27
1

2
3
4

1.0

1

de}de}de}de}de}de}de}de}de}d

e}

2

3

4

5

6

7

8

GTL+ TERMINATION RESISTORS

*NOTE: May be removed if route lengths can be restricted to 1.5" MIN to 4.0" MAX.

HD#0 HD#20 HD#37

A A

HD#[63:0]3,8

B B

C C

D D

HA#[31:3]4,6

BPRI#4,6
DBSY#4,6
DEFER#4,6
DRDY#4,6

BREQ0#4,6

BNR#4,6
ADS#4,6

HIT#4,6

HITM#4,6

HLOCK#4,6

HRESET#4,5,6

HREQ#[4:0]4,6

HTRDY#4,6

PRDY#03,5

RS#[2:0]4,6

HD#1 HD#21 HD#38
HD#2 HD#22 HD#39
HD#3 HD#23 HD#40

HD#4 HD#41
HD#5 HD#42
HD#6 HD#43
HD#7 HD#24 HD#44

HD#8 HD#25 HD#45
HD#9 HD#26 HD#46
HD#10 HD#27 HD#47
HD#11 HD#28 HD#48

HD#12 HD#29 HD#49
HD#13 HD#30 HD#50
HD#14 HD#31 HD#51
HD#15 HD#32 HD#52

HD#16 HD#33 HD#53
HD#17 HD#34 HD#54
HD#18 HD#35 HD#55
HD#19 HD#36 HD#56

1 8
2 7
3 6
4 5

RP26
1 8
2 7
3 6
4 5

RP32
1 8
2 7
3 6
4 5

HREQ#0

HREQ#1
HREQ#2
HREQ#3
HREQ#4

RS#0
RS#1
RS#2

56 ohm

56 ohm

56 ohm

1 8
2 7
3 6
4 5

VTT

1 8
2 7
3 6
4 5

VTT

1 8
2 7
3 6
4 5

1 8
2 7
3 6
4 5

1 8
2 7
3 6
4 5

1 8
2 7
3 6
4 5

RP23

RP29

RP40

RP43

RP47

RP49

56 ohm

56 ohm

56 ohm

56 ohm

56 ohm

56 ohm

VTT

VTT

VTT

VTT

VTT

VTT

RP45
1 8
2 7
3 6
4 5

RP48
1 8
2 7
3 6
4 5

VTT

56 ohm

VTT

56 ohm

1 8
2 7
3 6
4 5

1 8
2 7
3 6
4 5

1 8
2 7
3 6
4 5

NOTE : VTT = TERMINATION

VTT

RP20

VOLTAGE

1

2

3

4

5

RP21

RP27

RP33

56 OHM

56 OHM

56 OHM

VTT

VTT

VTT

RP24
1 8
2 7
3 6
4 5

RP30
1 8
2 7
3 6
4 5

56 OHM

56 OHM

VTT

VTT

VTT

RP22
1 8
2 7
3 6
4 5

56 ohm

1 8
2 7
3 6
4 5

VTT

RP28
1 8
2 7
3 6
4 5

56 ohm

1 8
2 7
3 6
4 5

VTT

RP34
1 8
2 7
3 6
4 5

56 ohm

VTT

RP35

HD#57
HD#58
HD#59
HD#60

HD#61
HD#62
HD#63

HA#3

HA#4
HA#5
HA#6
HA#7

HA#8
HA#9
HA#10
HA#11

HA#12
HA#13
HA#14
HA#15

HA#16
HA#17
HA#18
HA#19

HA#20
HA#21
HA#22
HA#23

HA#24
HA#25
HA#26
HA#27

HA#28
HA#29
HA#30
HA#31

6

1 8
2 7
3 6
4 5

56 ohm

1 8
2 7
3 6
4 5

VTT

RP37
1 8
2 7
3 6
4 5

56 ohm

1 8
2 7
3 6
4 5

VTT

RP39
1 8
2 7
3 6
4 5

56 ohm

VTT

RP41
1 8
2 7
3 6
4 5

56 ohm

1 8
2 7
3 6
4 5

VTT

RP44
1 8
2 7
3 6
4 5

56 ohm

1 8
2 7
3 6
4 5

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

GTL TERMINATION

Size Document Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset

7

RP25

RP31

RP36

RP38

RP42

RP46

56 ohm

56 ohm

56 ohm

56 ohm

56 ohm

56 ohm

VTT

VTT

VTT

VTT

VTT

VTT

27 34Thursday, April 09, 1998

8

1.0

1

2

3

4

5

6

7

8

1

PU

1

PU

8
7
6

RP54
R1

R2
R3
R4

PU
R5
R6
R7
R8
R9

8.2K
RP56

R1
R2
R3
R4

PU
R5
R6
R7
R8
R9

8.2K

RP58
1
2
3
4 5

2.7K

RP60
1
2
3
4 5

2.7K

VCC

VCC

VCC3

1

3VSB

1

8
7
6

RP59
1
2
3
4 5

2.7K

8
7
6

RP61
1
2
3
4 5

2.7K

3

8
7
6

8
7
6

VCC3

VCC3

PU

VCC3

VCC2.5

VCC2.5

1

28 34Thursday, April 09, 1998

8

R136

PICD0

150

R137

PICD[1:0]3

FLUSH#3

STPCLK#3,13

PX4_SMI#3,13

THERMTRIP#3

FERR#3,13

SLOT 1

A20M#3,25
IGNNE#3,25
HINIT#3,13

LINT03,25
LINT13,25

GPERR#15
GSERR#15

GSTOP#7,15
GDEVSEL#7,15
GTRDY#7,15
GIRDY#7,15
GFRAME#7,15

AGP

4

5

ADSTB-A7,15

ADSTB-B7,15

SBSTB7,15

GGNT#7,15
GREQ#7,15
PIPE#7,15
RBF#7,15

GPAR7,15

Title

Size Document Number Rev
Custom

6

Date: Sheet of

PICD1

150

R138

510

R139

430

R140

430

R141

220

R142

220

RP55

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9
330

R143

8.2K

R144

8.2K

R146

8.2K

R148

8.2K

R149

8.2K

R150

8.2K

R151

8,2K

R152

8.2K

R153

8.2K

R154

8.2K

R156

8.2K

R157

8.2K

R158

8.2K

R159

8.2K
R155

100K

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Pu llups; AGP/PCI/PIIX4

Intel(R) 440BX AGPset 1.0

7

RP50

10

10

RP52
1
2
3
4 5

8.2K
1

2
3
4 5

GPI13
GPI14
GPI15
GPI16

GPI17
GPI18
GPI19
GPI20

2
3
4
5
6
7
8
9

2
3
4
5
6
7
8
9

8
7
6

RP53

8.2K

R1
R2
R3
R4
R5
R6
R7
R8
R9

2.7K
RP51

R1
R2
R3
R4
R5
R6
R7
R8
R9

2.7K

R145

2.7K
R147

2.7K

2
3
4
5
6
7
8
9

10

2
3
4
5
6
7
8
9

10

PERR#16,17
SERR#7,12,16,17
PLOCK#7,16,17

STOP#7,12,16,17
DEVSEL#7,12,16,17

TRDY#7,12,16,17
IRDY#7,12,16,17
FRAME#7,12,16,17

A A

PCI BUS

B B

C C

PIIX4

D D

1

PREQ#47

PIRQ#D13,16,17
PIRQ#C13,16,17
PIRQ#B13,15,16,17
PIRQ#A13,15,16,17

PREQ#37,17
PREQ#27,17
PREQ#17,16
PREQ#07,16

PGNT#47
PGNT#37,17
PGNT#27,17
PGNT#17,16

PGNT#07,16

PGCS#113,33

PHLD#7,12
PHLDA#7,12
REQ#A13
REQ#B13
REQ#C13
APICREQ#13
THERM#3,13

A20GATE13,14
KBRST#13,14

TEST#13
SMBALERT#13
BATLOW#13
LID13,26
EXTSMI#13,33
PX4_CFG113

PCI_PME#13,16,17
AGP_PME#13,15

SMBDATA3,6,9,10,11,13,33

SMBCLK3,6,9,10,11,13,33

PX4_INTR13,25
PX4_IGNNE#13,25
PX4_A20M#13,25
PX4_NMI13,25

GPI[20:13]13

GPI713

2

A

B

C

D

E

VCC

4 4

SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD8

SD9
SD10
SD11
SD12
SD13
SD14
SD15

R161

8.2K

RP62

1 8
2 7
3 6
4 5

8.2K

RP63

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9

8.2K

RP64

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9

8.2K

RP66

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9

8.2K

RP68

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9

5.6K

IRQ#813

IRQ1213,14,18
IRQ1413,14,18,19
IRQ1513,14,18,19

IRQ113,14
IRQ313,14,18
IRQ413,14,18
IRQ513,14,18
IRQ613,14,18
IRQ713,14,18
IRQ913,14,18

IRQ1013,14,18

3 3

ISA BUS

2 2

IRQ1113,14,18

SD[15:0]12,14,18

IOW#12,14,18,33

MEMW#12,18,21

DRQ013,14,18
DRQ113,14,18
DRQ213,14,18
DRQ313,14,18
DRQ513,18
DRQ613,18
DRQ713,18

3VSB

VCC

VCC

1

PU

VCC

1

PU

VCC

1

PU

1

PU

IOCHK#12,18

ZEROWS#12,18

IOCHRDY12,14,18

RMASTER#18

REFRESH#12,18

IOR#12,14,18,33

MEMR#12,18,21

MEMCS16#12,18

IOCS16#12,18

SA[19:0]12,14,18,21,33

LA[23:17]12,18

SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11

SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2

SA1
SA0
LA23
LA22
LA21
LA20
LA19
LA18
LA17

R160

4.7K
R162

1K
R163

1K
R164

1K
R165

1K
R166

8.2K
R167

8.2K
R168

1K
R169

1K

RP65

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9

8.2K
RP67

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9

8.2K
RP69

2

R1

3

R2

4

R3

5

R4

6

R5

7

R6

8

R7

9

R8

10

R9

8.2K

VCC

1

PU

VCC

1

PU

VCC

1

PU

5VSB

U17C

14

9
10
11

7

74HC10

U16B

4

5

74ALS08

U16C

9
10

74ALS08

U16D

12
13

74ALS08

U7A

1 2

74AS07

U7E

11 10

74AS07

U7F

13 12

74AS07

8

6

8

11

5VSB

14

5 6

14

9 8

14

11 10

14

13 12

U28C

7

74F07

U28D

7

74F07

U28E

7

74F07

U28F

7

74F07

U14D

9 8

74F06

U14E

11 10

74F06

U14F

13 12

74F06

UNUSED GATES

1 1

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

ISA BUS PULLUPS

Size Document Number Rev
Custom

A

B

C

D

Date: Sh e et of

Intel(R) 440BX AGPset 1.0

E

29 34

1

2

3

4

5

6

7

8

A A

B B

C C

VCC3

DIMM DECOUPLING

0.1 uF

CD1

16V

0.1 uF

CD2

16V

0.1 uF

CD3

16V

0.1 uF

CD4

16V

0.1 uF

CD5

16V

0.1 uF

CD6

16V CD12

CD7

CD8

CD9

CD10

CD11

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

CKBF DECOUPLING

C96

+

22uF 16V

C97

+

22uF 16V

C98

+

22uF 16V

CK100 DECOUPLING

443BX DECOUPLING

VCC3

0.1 uF

CD13

0.1 uF

CD14

0.1 uF

CD15

0.1 uF

CD16

0.1 uF

0.1 uF

CD18

16V

16V

16V

16V

16V

16V

0.01 uF

CD19

0.01 uF

CD20

0.01 uF

CD21

0.01 uF

CD22

0.01 uF

CD23

0.01 uF

CD24

16V

16V

16V

16V

16VCD17

16V

VCC3

C185

+

22uF

C186

470pF
C187

0.01uF

D D

1

2

3

VCC3 VCC2.5

CD98

CD99

C171

470pF
16V

4

+

22uF

0.01 uF
16V

CD96

0.01uF
16V

CD97

470pF
16V

C170

+

22uF

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

DRAM, CLOCK AND 440BX DECOUPLING CAPACITORS

Size Document Number Rev
Custom

5

6

Date: Sheet of

Intel(R) 440BX AGPset

7

30 34Thursday, April 09, 1998

8

1.0

1

2

3

4

5

6

7

8

A A

B B

BULK POWER DECOUPLING

VCCVCC3

C99

+

22 uF 16V

0.1 uF

CD42

16V

0.1 uF

CD43

16V

-5v -12v+12v

C101

+

22 uF 16V

0.1 uF

CD46

16V CD47

C102

22 uF 16V

0.1 uF

16V CD48

C100

+

22 uF 16V

0.1 uF

CD44

0.1 uF

CD45

16V

16V

C103

22 uF 16V

0.1 uF

++

16V

3 VOLT DECOUPLING

VCC3

0.1 uF

CD49

16V CD59

0.1 uF

16V

0.1 uF

CD51

16V

0.1 uF

CD52

16V

0.1 uF

CD53

16V

0.1 uF

CD54

16V

0.1 uF

CD55

16V

0.1 uF

CD56

16V

0.1 uF

CD57

16V

0.1 uF

CD58

16V

CD60

CD61

CD62

CD63

CD64

CD65

CD66

CD67

CD68

0.1 uF

16V

0.1 uF

16VCD50

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

0.1 uF

16V

CORE VOLTAGE DECOUPLING

C C

VCCCORE VCCCORE VCCCORE VCCVCCCORE

10uF

CD100

16V

10uF

CD104

16V

10uF

CD107

16V

10uF

CD110

16V

10uF

CD112

D D

1

16V

10uF

CD101

10uF

CD105

10uF

CD108

10uF

CD111

100uF

16V

16V

16V

16V

2

CD102

100uF

CD106

100uF

CD109

16V

16V

16V

3

0.01uF

CD103

16V

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

3.3 VOLT AND BULK POWER DECOUPLING

Size Document Number Rev
Custom

4

5

6

Date: Sheet of

Intel(R) 440BX AGPset 1.0

7

31 34Thursday, April 09, 1998

8

1

A A

2

3

4

5

6

7

8

TERMINATION VOLTAGE DECOUPLING

VTT

B B

CD69

0.1 uF

16V

0.1 uF

CD70

16V

0.1 uF

CD71

16V

0.1 uF

CD72

16V

0.1 uF

CD73

16V

0.1 uF

C C

CD74

16V

0.1 uF

CD75

16V

0.1 uF

CD76

16V

D D

CD77

CD78

CD79

CD81

CD82

CD83

CD84

0.1 uF

0.1 uF

0.1 uF

CD80

0.1 uF
16V

0.1 uF

0.1 uF

0.1 uF

0.1 uF

16V

16V

16V

16V

16V

16V

16V

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

TERMINATION DECOUPLING

Size Document Number Rev
Custom

1

2

3

4

5

6

Date: Sheet of

Intel(R) 440BX AGPset

7

32 34Thursday, April 09, 1998

8

1.0

A

y

]

]

B

C

D

E

4 4

U21

XD0
XD1
XD2
XD3
XD4
XD5
XD6
XD7

1

IORD#

2

IOWR#

3

SYSCLK

11

D0

10

D1

9

D2

8

D3

7

D4

6

D5

5

D6

4

D7

44

CS#

43

A0

42

A1

41

A2

37

VID0

36

VID1

35

VID2

34

VID3

23

VID4/NTEST

14

SMI _IN#

15

CHASIS_INTRU

38

BTI#

19

FAN1

18

FAN2

17

FAN3

33

IN0

32

IN1

31

IN2

30

IN3

29

IN4

28

-IN5

27

FB5

26

FB6

25

-IN6
LM79

HARDWARE
MONITOR

IOR#12 , 14,18,29
IOW#12,14,18,29

SYSCLK12 ,18

XD[7:0

14,21

PGCS#113,28

4,25

VID[4:0
CPUFAN126

PSFAN226

SA01 2 ,14,18,21,29
SA11 2 ,14,18,21,29
SA21 2 ,14,18,21,29

R235

10K

VID0
VID1
VID2
VID3
VID4

R251

10K

3 3

VCCCORE VTT VCC3 VCC +12V -12V -5V

R207

R208

R209

R210

R211

10K

10K

10K

66.5K

232K

R214

100K

R215

80.6K

2 2

R212

232K

R216

66.5K

VCC

R213

100K

R217

66 .5K

R206

10K

VCC

C167

0.1uF

12

LM79

Slave address =
0101101b

VSSD

13

24

VCC5

PS_BYPASS

VSSA

SMI#

NMI/IRQ#

RESET#

SDA
SCL

R231

2.7K

40
39

16
22

21
20

Q4

2N3904

D8

SCHOTTKY
BAT54

R233

2.7K

Q3

2N3904

R234

2.7K

R236

2.7K

EXTSMI# 13,28

** This device is powered by
5V only and requires a VIH of

3.5V on it's SMBus interface.
Here is a 5V-3V SMBUS
specific level translation
circuit.

SMBDATA 3,6,9,10,11,13,28
SMBCLK 3,6,9,10,11,13,28

VCC3

1 1

A

B

C

D

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA. 95630

Title

LM79 MONITOR

Size Document Number Rev
Custom

Date: Sheet of

Intel(R) 440BX AGPset 1.0

, April 09, 1998

33 34Thursda

E

A

B

C

D

E

REVISION 1.0 -

4 4

3 3

Initial public release -- April, 1998

2 2

1 1

INTEL CORPORATION
PLATFORM COMPONENTS DIVISION

1900 PRAIRIE CITY RD. FM5-62
FOLSOM, CA 95630

Title

REVISION HISTORY

Size Document Number Rev
Custom

A

B

C

D

Date: Sheet of

Intel(R) 440BX AGPset 1.0

Thursday, April 09, 1998

E

34 34