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Table 2-44. PC/104 Expansion Bus Connector, J2 (C0-D19)
Pin # Signal
Name
Function Pin # Signal
Name
Function
C0
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
GND
SBHE*
LA23
LA22
LA21
LA20
LA19
LA18
LA17
MEMR*
MEMW*
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
Key
Ground
Bus High Enable
Address bit 23
Address bit 22
Address bit 21
Address bit 20
Address bit 19
Address bit 18
Address bit 17
Memory Read
Memory Write
Data Bit 8
Data Bit 9
Data Bit 10
Data Bit 11
Data Bit 12
Data Bit 13
Data Bit 14
Data Bit 15
Key Pin
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D12
D13
D14
D15
D16
D17
D18
D19
GND
MCS16*
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