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OPERATIONS MANUAL PCM-CFLASH-2
5
PC/104 Bus Interface
The PCM-CFLASH-2 supports I/O expansion through the standard PC/104 connectors at
J7
. The PCM-CFLASH-2 supports both 8-bit and 16-bit PC/104 modules. The PC/104
connector pin definitions are provided here for reference purposes.
Visual
Index
J7 PC/104 BUS CONNECTOR
# = Active Low Signal
NOTES
:
1. Rows C and D are not required on 8-bit modules.
2. B10 and C19 are key locations. WinSystems uses key pins as connections to GND.
3. Signal timing and function are as specified in ISA specification.
4. Signal source/sink current differ from ISA values.
D0 o o C0
D1 o o C1
D2 o o C2
D3 o o C3
D4 o o C4
D5 o o C5
D6 o o C6
D7 o o C7
D8 o o C8
D9 o o C9
D10 o o C10
D11 o o C11
D12 o o C12
D13 o o C13
D14 o o C14
D15 o o C15
D16 o o C16
D17 o o C17
D18 o o C18
D19 o o C19
GND
MEMCS16#
IOCS16#
IRQ10
IRQ11
IRQ12
IRQ15
IRQ14
DACK0#
DRQ0
DACK5#
DRQ5
DACK6#
DRQ6
DACK7#
DRQ7
+5V
MASTER#
GND
GND
GND
SBHE#
LA23
LA22
LA21
LA20
LA19
LA18
LA17
MEMR#
MEMW#
SD8
SD9
SD10
SD11
SD12
SD13
SD14
SD15
KEY
A1 o o B1
A2 o o B2
A3 o o B2
A4 o o B4
A5 o o B5
A6 o o B6
A7 o o B7
A8 o o B8
A9 o o B9
A10 o o B10
A11 o o B11
A12 o o B12
A13 o o B13
A14 o o B14
A15 o o B15
A16 o o B16
A17 o o B17
A18 o o B18
A19 o o B19
A20 o o B20
A21 o o B21
A22 o o B22
A23 o o B23
A24 o o B24
A25 o o B25
A26 o o B26
A27 o o B27
A28 o o B28
A29 o o B29
A30 o o B30
A31 o o B31
A32 o o B32
GND
RESET
+5V
IRQ9
-5V
DRQ2
-12V
SRDY#
+12V
KEY
SMEMW#
SMEMR#
IOW#
IOR#
DACK3#
DRQ3
DACK1#
DRQ1
REFRESH#
BCLK
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
TC
BALE
+5V
OSC
GND
GND
IOCHK#
SD7
SD6
SD5
SD4
SD3
SD2
SD1
SD0
IOCHRDY
AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
GND
