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PCM-MIO-A-1/Configuration
v1.0
www.winsystems.com
Page 16
7.3.4 J5, J6 - PC/104 Connectors
The PC/104 bus is electrically equivalent to the 16-bit ISA bus. Standard
PC/104 I/O cards can be populated on PCM-MIO-A-1’s connectors, located
at J5 and J6. The interface does not support hot swap capability. The PC/
104 bus connector pin definitions are provided here for reference. Refer
to the
for specific signal and mechanical
specifications.
Layout and Pin Reference
Notes:
# = Active low signal
Rows C and D are not required on 8-bit modules.
B10 and C19 are key locations. WINSYSTEMS uses key pins as connections to GND.
Signal timing and function are as specified in ISA specification.
Signal source/sink current differ from ISA values.
Diagram
Pin
Name
Pin
Name
Diagram
Pin
Name
Pin
Name
J5
D0
GND
C0
GND
J6
A1
IOCHK#
B1
GND
D1
MEMCS16#
C1
SBHE#
A2
SD7
B2
RESET
D2
IOCS16#
C2
LA23
A3
SD6
B3
+5V
D3
IRQ10
C3
LA22
A4
SD5
B4
IRQ
D4
IRQ11
C4
LA21
A5
SD4
B5
-5V
D5
IRQ12
C5
LA20
A6
SD3
B6
DRQ2
D6
IRQ15
C6
LA19
A7
SD2
B7
-12V
D7
IRQ14
C7
LA18
A8
SD1
B8
SRDY#
D8
DACK0#
C8
LA17
A9
SD0
B9
+12V
D9
DRQ0
C9
MEMR#
A10
IOCHRDY
B10
KEY
D10
DACK5#
C10
MEMW#
A11
AEN
B11
SMEMW#
D11
DRQ5
C11
SD8
A12
SA19
B12
SMEMR#
D12
DACK6#
C12
SB9
A13
SA18
B13
IOW#
D13
DRQ6
C13
SB10
A14
SA17
B14
IOR#
D14
DACK7#
C14
SB11
A15
SA16
B15
DACK3#
D15
DRQ7
C15
SB12
A16
SA15
B16
DRQ3
D16
+5V
C16
SB13
A17
SA14
B17
DACK1#
D17
MASTER#
C17
SB14
A18
SA13
B18
DRQ1
D18
GND
C18
SB15
A19
SA12
B19
REFRESH#
D19
GND
C19
KEY
A20
SA11
B20
BCLK
A21
SA10
B21
IRQ7
A22
SA9
B22
IRQ6
A23
SA8
B23
IRQ5
A24
SA7
B24
IRQ4
A25
SA6
B25
IRQ3
A26
SA5
B26
DACK2#
A27
SA4
B27
TC
A28
SA3
B28
BALE
A29
SA2
B29
+5V
A30
SA1
B30
OSC
A31
SA0
B31
GND
A32
GND
B32
GND