ISA Connectors

The system board ISA connectors follow the standard pinout given in the ISA Specification.

Pin

Signal

Pin

Signal

Pin

Signal

Pin

Signal

 

 

 

 

 

 

 

 

A1

IOCHK_L

B1

GND

C1

SBHE_L

D1

MEMCS16_L

A2

SD7

B2

RSTDRV

C2

LA23

D2

IOCS16_L

A3

SD6

B3

+5 V dc

C3

LA22

D3

IRQ10

A4

SD5

B4

IRQ9

C4

LA21

D4

IRQ11

A5

SD4

B5

-5 V dc

C5

LA20

D5

IRQ12

A6

SD3

B6

DRQ2

C6

LA19

D6

IRQ15

A7

SD2

B7

-12 V dc

C7

LA18

D7

IRQ14

A8

SD1

B8

SRDY_L

C8

LA17

D8

DACK0_L

A9

SD0

B9

+12 V dc

C9

MEMR_L

D9

DRQ0

A10

IOCHRDY

B10

GND

C10

MEMW_L

D10

DACK5_L

A11

AEN

B11

SMEMW_L

C11

SD8

D11

DRQ5

A12

SA19

B12

SMEMR_L

C12

SD9

D12

DACK6_L

A13

SA18

B13

IOW_L

C13

SD10

D13

DRQ6

A14

SA17

B14

IOR_L

C14

SD11

D14

DACK7_L

A15

SA16

B15

DACK3_L

C15

SD12

D15

DRQ7

A16

SA15

B16

DRQ3

C16

SD13

D16

+5 V dc

A17

SA14

B17

DACK1_L

C17

SD14

D17

Master16_L

A18

SA13

B18

DRQ1

C18

SD15

D18

GND

A19

SA12

B19

REFRESH_L

 

 

 

 

A20

SA11

B20

SYSCLK

 

 

 

 

A21

SA10

B21

IRQ7

 

 

 

 

A22

SA9

B22

IRQ6

 

 

 

 

A23

SA8

B23

IRQ5

 

 

 

 

A24

SA7

B24

IRQ4

 

 

 

 

A25

SA6

B25

IRQ3

 

 

 

 

A26

SA5

B26

DACK2_L

 

 

 

 

A27

SA4

B27

TC

 

 

 

 

A28

SA3

B28

BALE

 

 

 

 

A29

SA2

B29

+5 V dc

 

 

 

 

A30

SA1

B30

+OSC

 

 

 

 

A31

SA0

B31

GND

 

 

 

 

 

 

 

 

 

 

 

 

194

Chapter 9 I/O Ports and Connectors

Page 194
Image 194
Intel MB440LX manual ISA Connectors, Pin Signal