Pin

+5V

+3.3V

Description

Pin

+5V

+3.3V

Description

A1

TRST

?

Test Logic Reset

B1

-12V

?

-12 VDC

A2

+12V

?

+12 VDC

B2

TCK

?

Test Clock

A3

TMS

?

Test Mde Select

B3

GND

?

Ground

A4

TDI

?

Test Data Input

B4

TDO

?

Test Data Output

A5

+5V

?

+5 VDC

B5

+5V

?

+5 VDC

A6

INTA

?

Interrupt A

B6

+5V

?

+5 VDC

A7

INTC

?

Interrupt C

B7

INTB

?

Interrupt B

A8

+5V

?

+5 VDC

B8

INTD

?

Interrupt D

A9

RESV01

?

Reserved VDC

B9

PRSNT1

?

Reserved

A10

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

B10

RES

?

+V I/O (+5 V or +3.3 V)

A11

RESV03

?

Reserved VDC

B11

PRSNT2

?

??

A12

GND03

(OPEN)

Ground or Open (Key)

B12

GND

(OPEN)

Ground or Open (Key)

A13

GND05

(OPEN)

Ground or Open (Key)

B13

GND

(OPEN)

Ground or Open (Key)

A14

RESV05

?

Reserved VDC

B14

RES

?

Reserved VDC

A15

RESET

?

Reset

B15

GND

?

Reset

A16

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

B16

CLK

?

Clock

A17

GNT

?

Grant PCI use

B17

GND

?

Ground

A18

GND08

?

Ground

B18

REQ

?

Request

A19

RESV06

?

Reserved VDC

B19

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

A20

AD30

?

Address/Data 30

B20

AD31

?

Address/Data 31

A21

+3.3V01

?

+3.3 VDC

B21

AD29

?

Address/Data 29

A22

AD28

?

Address/Data 28

B22

GND

?

Ground

A23

AD26

?

Address/Data 26

B23

AD27

?

Address/Data 27

A24

GND10

?

Ground

B24

AD25

?

Address/Data 25

A25

AD24

?

Address/Data 24

B25

+3.3V

?

+3.3VDC

A26

IDSEL

?

Initialization Device Select

B26

C/BE3

?

Command, Byte Enable 3

A27

+3.3V03

?

+3.3 VDC

B27

AD23

?

Address/Data 23

A28

AD22

?

Address/Data 22

B28

GND

?

Ground

A29

AD20

?

Address/Data 20

B29

AD21

?

Address/Data 21

A30

GND12

?

Ground

B30

AD19

?

Address/Data 19

A31

AD18

?

Address/Data 18

B31

+3.3V

?

+3.3 VDC

A32

AD16

?

Address/Data 16

B32

AD17

?

Address/Data 17

A33

+3.3V05

?

+3.3 VDC

B33

C/BE2

?

Command, Byte Enable 2

A34

FRAME

?

Address or Data phase

B34

GND13

?

Ground

A35

GND14

?

Ground

B35

IRDY

?

Initiator Ready

A36

TRDY

?

Target Ready

B36

+3.3V06

?

+3.3 VDC

A37

GND15

?

Ground

B37

DEVSEL

?

Device Select

A38

STOP

?

Stop Transfer Cycle

B38

GND16

?

Ground

A39

+3.3V07

?

+3.3 VDC

B39

LOCK

?

Lock bus

A40

SDONE

?

Snoop Done

B40

PERR

?

Parity Error

A41

SBO

?

Snoop Backoff

B41

+3.3V08

?

+3.3 VDC

A42

GND17

?

Ground

B42

SERR

?

System Error

A43

PAR

?

Parity

B43

+3.3V09

?

+3.3 VDC

A44

AD15

?

Address/Data 15

B44

C/BE1

?

Command, Byte Enable 1

A45

+3.3V10

?

+3.3 VDC

B45

AD14

?

Address/Data 14

A46

AD13

?

Address/Data 13

B46

GND18

?

Ground

A47

AD11

?

Address/Data 11

B47

AD12

?

Address/Data 12

A48

GND19

?

Ground

B48

AD10

?

Address/Data 10

A49

AD9

?

Address/Data 9

B49

GND20

?

Ground

A52

C/BE0

?

Command, Byte Enable 0

B50

(OPEN)

GND

Ground or Open (Key)

A53

+3.3V11

?

+3.3 VDC

B51

(OPEN)

GND

Ground or Open (Key)

A54

AD6

?

Address/Data 6

B52

AD8

?

Address/Data 8

A55

AD4

?

Address/Data 4

B53

AD7

?

Address/Data 7

A56

GND21

?

Ground

B54

+3.3V12

?

+3.3 VDC

A57

AD2

?

Address/Data 2

B55

AD5

?

Address/Data 5

A58

AD0

?

Address/Data 0

B56

AD3

?

Address/Data 3

A59

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

B57

GND22

?

Ground

A60

REQ64

?

Request 64 bit ???

B58

AD1

?

Address/Data 1

A61

VCC11

?

+5 VDC

B59

VCC08

?

+5 VDC

A62

VCC13

?

+5 VDC

B60

ACK64

?

Acknowledge 64 bit ???

?

?

?

?

B61

VCC10

?

+5 VDC

A63

GND

?

Ground

B62

VCC12

?

+5 VDC

A64

C/BE[7]#

?

Command, Byte Enable 7

?

?

?

?

A65

C/BE[5]#

?

Command, Byte Enable 5

B63

RES

?

Reserved

A66

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

B64

GND

?

Ground

A67

PAR64

?

Parity 64 ???

B65

C/BE[6]#

?

Command, Byte Enable 6

A68

AD62

?

Address/Data 62

B66

C/BE[4]#

?

Command, Byte Enable 4

A69

GND

?

Ground

B67

GND

?

Ground

A70

AD60

?

Address/Data 60

B68

AD63

?

Address/Data 63

A71

AD58

?

Address/Data 58

B69

AD61

?

Address/Data 61

A72

GND

?

Ground

B70

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

A73

AD56

?

Address/Data 56

B71

AD59

?

Address/Data 59

A74

AD54

?

Address/Data 54

B72

AD57

?

Address/Data 57

A75

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

B73

GND

?

Ground

A76

AD52

?

Address/Data 52

B74

AD55

?

Address/Data 55

A77

AD50

?

Address/Data 50

B75

AD53

?

Address/Data 53

A78

GND

?

Ground

B76

GND

?

Ground

A79

AD48

?

Address/Data 48

B77

AD51

?

Address/Data 51

A80

AD46

?

Address/Data 46

B78

AD49

?

Address/Data 49

A81

GND

?

Ground

B79

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

A82

AD44

?

Address/Data 44

B80

AD47

?

Address/Data 47

A83

AD42

?

Address/Data 42

B81

AD45

?

Address/Data 45

A84

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

B82

GND

?

Ground

A85

AD40

?

Address/Data 40

B83

AD43

?

Address/Data 43

A86

AD38

?

Address/Data 38

B84

AD41

?

Address/Data 41

A87

GND

?

Ground

B85

GND

?

Ground

A88

AD36

?

Address/Data 36

B86

AD39

?

Address/Data 39

A89

AD34

?

Address/Data 34

B87

AD37

?

Address/Data 37

A90

GND

?

Ground

B88

+5V

+3.3V

+V I/O (+5 V or +3.3 V)

A91

AD32

?

Address/Data 32

B89

AD35

?

Address/Data 35

A92

RES

?

Reserved

B90

AD33

?

Address/Data 33

A93

GND

?

Ground

B91

GND

?

Ground

A94

RES

?

Reserved

B92

RES

?

Reserved