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4 ETX® connectors
Kontron User's Guide ETX CD 23
4.4 Connector 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 MASTER# 55 SA7 56 IRQ6
7 SD12 8 DREQ7 57 SA8 58 IRQ7
9 SD11 10 DACK7# 59 SA9 60 SYSCLK
11 SD10 12 DREQ6 61 SA10 62 REFSH#
13 SD9 14 DACK6# 63 SA11 64 DREQ1
15 SD8 16 DREQ5 65 SA12 66 DACK1#
17 MEMW# 18 DACK5# 67 GND 68 GND
19 MEMR# 20 DREQ0 69 SA13 70 DREQ3
21 LA17 22 DACK0# 71 SA14 72 DACK3#
23 LA18 24 IRQ14 73 SA15 74 IOR#
25 LA19 26 IRQ15 75 SA16 76 IOW#
27 LA20 28 IRQ12 77 SA18 78 SA17
29 LA21 30 IRQ11 79 SA19 80 SMEMR#
31 LA22 32 IRQ10 81 IOCHRDY 82 AEN
33 LA23 34 IO16# 83 VCC * 84 VCC *
35 GND 36 GND 85 SD0 86 SMEMW#
37 SBHE# 38 M16# 87 SD2 88 SD1
39 SA0 40 OSC 89 SD3 90 NOWS#
41 SA1 42 BALE 91 DREQ2 92 SD4
43 SA2 44 TC 93 SD5 94 IRQ9**
45 SA3 46 DACK2# 95 SD6 96 SD7
47 SA4 48 IRQ3 97 IOCHK# 98 RSTDRV
49 SA5 50 IRQ4 99 GND 100 GND
Notes: *To protect external power lines of peripheral devices, make sure that:
- The wires have the right diameter to withstand the maximum available current.
- The enclosure of the peripheral device fulfils the fire-protection requirements of IEC/EN60950
** IRQ9 is used for SCI in ACPI mode. Do not use for legacy ISA devices.