3 Interface Devices and Mass-Storage Drives

Connectors and Sockets

16-bit ISA Connector

(8-bit ISA uses the A and B connectors)

Pin

Signal

Pin

Signal

 

 

 

 

B1

Ground

A1

CHCHK#

B2

RESDRV

A2

SD7

B3

+5 V

A3

SD6

B4

IRQ9

A4

SD5

B5

-5 V

A5

SD4

B6

DRQ2

A6

SD3

B7

-12 V

A7

SD2

B8

NOWS#

A8

SD1

B9

+ 12 V

A9

SD0

B10

Ground

A10

CHRDY

B11

SMWTC#

A11

AENx

B12

SMRDC#

A12

SA19

B13

IOWC#

A13

SA18

B14

IORC#

A14

SA17

B15

DEK3#

A15

SA16

B16

DRQ3

A16

SA15

B17

DAK1#

A17

SA14

B18

DRQ1

A18

SA13

B19

REFRESH#

A19

SA12

B20

BCLK

A20

SA11

B21

IRQ7

A21

SA10

B22

IRQ6

A22

SA9

B23

IRQ5

A23

SA8

B24

IRQ4

A24

SA7

B25

IRQ3

A25

SA6

B26

DAK2#

A26

SA5

B27

TC

A27

SA4

B28

BALE

A28

SA3

B29

+5 V

A29

SA2

B30

OSC

A30

SA1

B31

Ground

A31

SA0

 

 

 

 

D1

M16#

C1

SBHE#

D2

IO16#

C2

LA23

D3

IRQ10

C3

LA22

D4

IRQ11

C4

LA21

D5

IRQ12

C5

LA20

D6

IRQ15

C6

LA19

D7

IRQ14

C7

LA18

D8

DAK0#

C8

LA17

D9

DRQ0

C9

MRDC#

D10

DAK5#

C10

MWTC#

D11

DRQ5

C11

SD8

D12

DAK6#

C12

SD9

D13

DRQ6

C13

SD10

D14

DAK7#

C14

SD11

D15

DRQ7

C15

SD12

D16

+5 V

C16

SD13

D17

MASTER16#

C17

SD14

D18

Ground

C18

SD15

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