User`s manual
Appendix A Expansion Bus 
Page: A-2 
Prox-1750G1/G2 USER
′
S MANUAL 
ISA BUS PIN ASSIGNMENT 
The ISA-bus connector is divided into two sets : one consists of 62 pins; the other 
consists of 36 pins.
The pin assignments  as follows : 
B A D  C 
PIN ASSIGNMENT PIN ASSIGNMENT PIN ASSIGNMENT PIN ASSIGNMENT 
B1  GND  A1  -I/O CH CHK D1  -MEMCS16  C1  SBHE 
B2 RESET  A2 SD07  D2 -I/OCS16  C2 LA23 
B3 +5V  A3 SD06  D3 IRQ10  C3 LA22 
B4 IRQ9  A4 SD05  D4 IRQ11  C4 LA21 
B5 -5V  A5 SD04  D5 IRQ12  C5 LA20 
B6 DRQ2  A6 SD03  D6 IRQ15  C6 LA19 
B7 -12V  A7 SD02  D7 IRQ14  C7 LA18 
B8 OWS  A8 SD01  D8 -DACK0 C8 LA17 
B9 +12V A9 SD00 D9 DRQ0 C9 -MEMR 
B10  GND  A10 -I/O CH RDY D10  -DACK5  C10 -MEMW 
B11 -SMEMW  A11 AEN  D11 DRQ5  C11 SD08 
B12 -SMEMR  A12 SA19  D12 -DACK6  C12 SD09 
B13 -IOW  A13 SA18  D13 DRQ6  C13 SD10 
B14 -IOR  A14 SA17  D14 -DACK7  C14 SD11 
B15 -DACK3  A15 SA16  D15 DRQ7  C15 SD12 
B16 -DRQ3  A16 SA15  D16 +5V  C16 SD13 
B17 -DACK1  A17 SA14  D17 -MASTER  C17 SD14 
B18 -DRQ1  A18 SA13  D18 GND  C18 SD15 
B19 -REFRESH  A19 SA12         
B20 BCLK  A20 SA11         
B21 IRQ7  A21 SA10         
B22 IRQ6  A22 SA09         
B23 IRQ5  A23 SA08         
B24 IRQ4  A24 SA07         
B25 IRQ3  A25 SA06         
B26 -DACK2  A26 SA05         
B27 T/C  A27 SA04         
B28 BALE  A28 SA03         
B29 +5V  A29 SA02         
B30 OSC  A30 SA01         
B31 GND  A31 SA00         
D1
C1 C18
D18
A31
B31
A1
B1










