Connectors, Appendix b connector descriptions – Micromod MOD: 1731N ICN Mini-Link Users Guide User Manual
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IB-23C003
APPENDIX B - CONNECTOR DESCRIPTIONS
APPENDIX B
CONNECTOR DESCRIPTIONS
Table B-1. IBM PC/AT Mini Link Board Connector Pinout
* Currently in use by the Mini Link
** Usable by the Mini Link with minor
modification
Component Side
("A" side w/A1 near rear panel)
I/O Pin
Signal
I/O
Circuit Side
("B" side w/B1 near rear panel)
I/O Pin
Signal
I/O
A1
–I/OCHCK
I
B1
GND
GND
A2*
SD7
I/O
B2*
RESET D
O
A3*
SD6
I/O
B3*
+5V
Power
A4*
SD5
I/O
B4
IRQ9
I
A5*
SD4
I/O
B5
–5V
Power
A6*
SD3
I/O
B6
DRQ2
I
A7*
SD2
I/O
B7
–12V
Power
A8*
SD1
I/O
B8
0WS
I
A9*
SD0
I/O
B9
+12V
Power
A10
–IOCHRDY
I
B10*
GND
GND
A11*
AEN
O
B11
–SMEMW
O
A12
SA19
I/O
B12
–SMEMR
O
A13
SA18
I/O
B13*
–IOW
I/O
A14
SA17
I/O
B14*
–IOR
I/O
A15
SA16
I/O
B15
–DACK3
O
A16
SA15
I/O
B16
DRQ3
I
A17
SA14
I/O
B17
–DACK1
O
A18
SA13
I/O
B18
DRQ1
I
A19
SA12
I/O
B19
–Refresh
I/O
A20
SA11
I/O
B20
CLK
O
A21
SA10
I/O
B21*
IRQ7
I
A22*
SA9
I/O
B22*
IRQ6
I
A23*
SA8
I/O
B23*
IRQ5
I
A24*
SA7
I/O
B24*
IRQ4
I
A25*
SA6
I/O
B25*
IRQ3
I
A26*
SA5
I/O
B26
–DACK2
O
A27*
SA4
I/O
B27
T/C
O
A28*
SA3
I/O
B28
BALE
O
A29*
SA2
I/O
B29*
+5V
Power
A30*
SA1
I/O
B30
OSC
O
A31*
SA0
I/O
B31*
GND
GND
C1
SBHE
I/O
D1
–MEMCS16
I
C2
LA23
I/O
D2
–I/OCS16
I
C3
LA22
I/O
D3**
IRQ10
I
C4
LA21
I/O
D4**
IRQ11
I
C5
LA20
I/O
D5**
IRQ12
I
C6
LA19
I/O
D6**
IRQ15
I
C7
LA18
I/O
D7**
IRQ14
I
C8
LA17
I/O
D8
–DACK0
O
C9
–MEMR
I/O
D9
DRQ0
I
C10
–MEMW
I/O
D10
–DACK5
O
C11
SD08
I/O
D11
DRQ5
I
C12
SD09
I/O
D12
–DACK6
O
C13
SD10
I/O
D13
DRQ6
I
C14
SD11
I/O
D14
–DACK7
O
C15
SD12
I/O
D15
DRQ7
I
C16
SD13
I/O
D16
+5V
Power
C17
SD14
I/O
D17
–MASTER
I
C18
SD15
I/O
D18
GND
GND
B-1