Little Board/P5x Technical Manual
2–59
Table 2– 53. PC/104 Expansion Bus Connector, P2 (D0-D19)
Pin Signal
Name Function In/Out
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
GND
MEMCS16*
IOCS16*
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14
DACK0*
DRQ0
DACK5*
DRQ5
DACK6*
DRQ6
DACK7*
DRQ7
+5V
MASTER*
GND
GND
Ground
16-bit Mem Access
16-bit I/O Access
Interrupt Request 10
Interrupt Request 11
Interrupt Request 12
Interrupt Request 15
Interrupt Request 14
DMA Acknowledge 0
DMA Request 0
DMA Acknowledge 5
DMA Request 5
DMA Acknowledge 6
DMA Request 6
DMA Acknowledge 7
DMA Request 7
+5 Volt Power
Bus Master Assert
Ground
Ground
N/A
IN
IN
IN
IN
IN
IN
IN
OUT
IN
OUT
IN
OUT
IN
OUT
IN
N/A
IN
N/A
N/A