User`s manual
INSTALLATION
ET500 User’s Manual 7
2. X2 (ISA-Bus)
Pin Signal Pin Signal Pin Signal Pin Signal
1 GND 2 GND 51 VCC 52 VCC
3 SD14 4 SD15 53 SA6 54 IRQ5
5 SD13 6 MASTERJ 55 SA7 56 IRQ6
7 SD12 8 DREQ7 57 SA8 58 IRQ7
9 SD11 10 DACKJ7 59 SA9 60 SYSCLK
11 SD10 12 DREQ6 61 SA10 62 REFSHJ
13 SD9 14 DACKJ6 63 SA11 64 DREQ1
15 SD8 16 DREQ5 65 SA12 66 DACKJ 1
17 MEMWJ 18 DACKJ5 67 GND 68 GND
19 MEMRJ 20 DREQ0 69 SA13 70 DREQ3
21 LA17 22 DACKJ0 71 SA14 72 DACKJ3
23 LA18 24 IRQ14 73 SA15 74 IORJ
25 LA19 26 IR015 75 SA16 76 IOWJ
27 LA20 28 IRQ12 77 SA18 78 SA17
29 LA21 30 IRQ11 79 SA19 80 SMEMRJ
31 LA22 32 IRQ10 81 IOCHRDY 82 AEN
33 LA23 34 IO16J 83 VCC 84 VCC
35 GND 36 GND 85 SD0 86 SMEMWJ
37 SBHEJ 38 M16J 87 SD2 88 SD1
39 SA0 40 OSC 89 SD3 90 NOWSJ
41 SA1 42 BALE 91 DREQ2 92 SD4
43 SA2 44 TC 93 SD5 94 IRQ9
45 SA3 46 DACKJ2 95 SD6 96 SD7
47 SA4 48 IRQ3 97 IOCHKJ 98 RSTDRV
49 SA5 50 IRQ4 99 GND 100 GND