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Chapter 4 CPC-2245N Main Borad 43
Table 4-5: ISA bus - CN3 cross reference table (ISA bus pin B)
ISA bus CN3
Pin Signal Pin Signal
B1 GND 9 GND
B2 RSTDRV 75 RSTDRV
B3 +5 V 1 +5 V
B4 IRQ9 89 IRQ9
B5 -5 V - -
B6 DRQ2 99 DRQ2
B7 -12 V - -
B8 0 WS 2 ZW
B9 +12 V - -
B10 GND 10 GND
B11 SMEMW 133 SMEMW
B12 SMEMR 58 SMEMR
B13 IOW 135 IOW
B14 IOR 131 IOR
B15 DACK3 81 DACK3
B16 DRQ3 27 DRQ3
B17 DACK1 83 DACK1
B18 DRQ1 29 DRQ1
B19 REFRESH 63 REFRESH
B20 CLK 26 SYSCLK
B21 IRQ7 88 IRQ7
B22 IRQ6 17 IRQ6
B23 IRQ5 18 IRQ5
B24 IRQ4 19 IRQ4
B25 IRQ3 76 IRQ3
B26 DACK2 82 DACK2
B27 T/C 8 TC
B28 BALE 56 BALE
B29 +5 V 73 +5 V
B30 OSC 28 OSC (14 MHz)
B31 GND 11 GND