Users Guide User Manual

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