Page 11
IR104-V4 User Guide
Rev A
PC/104 8-bit Bus (J1)
J1 is a PC/104 ISA 8-bit bus with non-pass through connectors. Tri-M also accommodates non-pass through
and non-PC/104 compliant customizations.
PC/104 8-bit Connector (J1)
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
A1
/IOCHCK
B1
GND
A17
SA14
B17
/DACK1
A2
SD7
B2
RESETDRV
A18
SA13
B18
DRQ1
A3
SD6
B3
+5V
A19
SA12
B19
/REFRESH
A4
SD5
B4
IRQ9
A20
SA11
B20
SYSCLK
A5
SD4
B5
-5V
A21
SA10
B21
IRQ7
A6
SD3
B6
DRQ2
A22
SA9
B22
N/A
A7
SD2
B7
-12V
A23
SA8
B23
IRQ5
A8
SD1
B8
/0WS
A24
SA7
B24
IRQ4
A9
SD0
B9
+12V
A25
SA6
B25
IRQ3
A10
IOCHRDY
B10
GND
A26
SA5
B26
/DACK2
A11
AEN
B11
/SMEMW
A27
SA4
B27
TC
A12
SA19
B12
/SMEMR
A28
SA3
B28
BALE
A13
SA18
B13
/IOW
A29
SA2
B29
+5V
A14
SA17
B14
/IOR
A30
SA1
B30
OSC
A15
SA16
B15
DACK3
A31
SA0
B31
GND
A16
SA15
B16
DRQ3
A32
GND
B32
GND
2 Connectors
B1
A1
B32
A32
J1
TOP SIDE
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