Little Board/P5x Technical Manual

Table 2– 53. PC/104 Expansion Bus Connector, P2 (D0-D19)

 

Signal

 

 

Pin

Name

Function

In/Out

 

 

 

 

D0

GND

Ground

N/A

D1

MEMCS16*

16-bit Mem Access

IN

D2

IOCS16*

16-bit I/O Access

IN

D3

IRQ10

Interrupt Request 10

IN

D4

IRQ11

Interrupt Request 11

IN

D5

IRQ12

Interrupt Request 12

IN

D6

IRQ15

Interrupt Request 15

IN

D7

IRQ14

Interrupt Request 14

IN

D8

DACK0*

DMA Acknowledge 0

OUT

D9

DRQ0

DMA Request 0

IN

D10

DACK5*

DMA Acknowledge 5

OUT

D11

DRQ5

DMA Request 5

IN

D12

DACK6*

DMA Acknowledge 6

OUT

D13

DRQ6

DMA Request 6

IN

D14

DACK7*

DMA Acknowledge 7

OUT

D15

DRQ7

DMA Request 7

IN

D16

+5V

+5 Volt Power

N/A

D17

MASTER*

Bus Master Assert

IN

D18

GND

Ground

N/A

D19

GND

Ground

N/A

 

 

 

 

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Ampro Corporation P5X manual 53. PC/104 Expansion Bus Connector, P2 D0-D19