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4 ETX® connectors
Kontron User's Guide ETX CD 19
4.3 Connector X1 (PCI bus, USB, Audio)
Pin Signal Pin Signal Pin Signal Pin Signal
1 GND 2 GND 51 VCC * 52 VCC *
3 PCICLK3 4 PCICLK4 53 PAR 54 SERR#
5 GND 6 GND 55 GPERR# 56 RESERVED
7 PCICLK1 8 PCICLK2 57 PME# 58 USB2#
9 REQ3# 10 GNT3# 59 LOCK# 60 DEVSEL#
11 GNT2# 12 3V 61 TRDY# 62 USB3#
13 REQ2# 14 GNT1# 63 IRDY# 64 STOP#
15 REQ1# 16 3V 65 FRAME# 66 USB2
17 GNT0# 18 RESERVED 67 GND 68 GND
19 VCC * 20 VCC * 69 AD16 70 CBE2#
21 SERIRQ 22 REQ0# 71 AD17 72 USB3
23 AD0 24 3V 73 AD19 74 AD18
25 AD1 26 AD2 75 AD20 76 USB0#
27 AD4 28 AD3 77 AD22 78 AD21
29 AD6 30 AD5 79 AD23 80 USB1#
31 CBE0# 32 AD7 81 AD24 82 CBE3#
33 AD8 34 AD9 83 VCC * 84 VCC *
35 GND 36 GND 85 AD25 86 AD26
37 AD10 38 AUXAL 87 AD28 88 USB0
39 AD11 40 MIC 89 AD27 90 AD29
41 AD12 42 AUXAR 91 AD30 92 USB1
43 AD13 44 ASVCC 93 PCIRST# 94 AD31
45 AD14 46 SNDL 95 INTC# 96 INTD#
47 AD15 48 ASGND 97 INTA# 98 INTB#
49 CBE1# 50 SNDR 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