Kontron ETX-LX2, Manual

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12 Appendix D: ETX® Connector Pinouts
Kontron User's Guide ETX®-LX2 62
12.6.1 Connector X4 (Signal Levels)
Pin 1
–
50 IDE1 | IDE2 | ETHERNET | POWER/PM | MISC
Pin Signal Description Type Termination Comment
1 GND Ground PWR - -
2 GND Ground PWR - -
3 5V_SB Supply of internal suspend Circuit I - -
4 PWGIN Power Good / Reset Input I - -
5 PS_ON Power Supply On O-5 PU 10k 5V -
6 SPEAKER Speaker Output O-5 - -
7 PWRBTN# Power Button I-5 - -
8 BATT Battery Supply I - -
9 KBINH - nc - not supported
10 LILED Ethernet Link LED O-3,3 - -
11 WDTRIG Watschdog Trigger Input I-3,3 - -
12 ACTLED Ethernet Activity LED O-3,3 - -
13 ROMKBCS# - nc - not supported
14 SPEEDLED Ethernet Speed LED O-3,3 - on at 100Mb/s
15 EXT_PRG - nc - not supported
16 I2CLK I
2
C Bus Clock O-5 - GP10
17 VCC Power +5V PWR - -
18 VCC Power +5V PWR - -
19 OVCR# Over Current Detect for USB I-3,3 PU 10k 3,3V -
20 GPCS# - nc - not supported
21 EXTSMI# - nc - not supported
22 I2DAT I
2
C Bus Data IO-5 - GP11
23 SMBCLK SM Bus Clock O-3,3 PU 2k2 3,3V -
24 SMBDATA SM Bus Data IO-3,3 PU 2k2 3,3V -
25 SIDE_CS3# Secondary IDE Chip Select Channel 1 O-3,3 - -
26 SMBALERT - nc - Reserved
27 SIDE_CS1# Secondary IDE Chip Select Channel 0 O-3,3 - -
28 DASP_S Master / Slave negotiation O - -
29 SIDE_A2 Secondary IDE Adress Bus O-3,3 - -
30 PIDE_CS3# Primary IDE Chip Select Channel 1 O-3,3 - -
31 SIDE_A0 Secondary IDE Adress Bus O-3,3 - -
32 PIDE_CS1# Primary IDE Chip Select Channel 0 O-3,3 - -
33 GND Ground PWR - -
34 GND Ground PWR - -
35 PDIAG_S Master Slave negotiation I-3,3 - -
36 PIDE_A2 Primary IDE Adress Bus O-3,3 - -
37 SIDE_A1 Secondary IDE Adress Bus O-3,3 - -
38 PIDE_A0 Primary IDE Adress Bus O-3,3 - -
39 SIDE_INTRQ Secondary IDE Interrupt Request I-3,3 - -
40 PIDE_A1 Primary IDE Adress Bus O-3,3 - -
41 nc - nc - Reserved
42 nc - nc - Reserved
43 SIDE_AK# Secondary IDE DMA Acknowledge O-3,3 - -
44 PIDE_INTRQ Primary IDE Interrupt Reqeuest I-3,3 PU 10k 3,3V -
45 SIDE_RDY Secondary IDE Ready I-3,3 - -
46 PIDE_AK# Primary IDE DMA Acknowledge O-3,3 - -
47 SIDE_IOR# Secondary IDE IO Read O-3,3 - -
48 PIDE_RDY Primary IDE Ready I-3,3 PU 10k 3,3V -
49 VCC Power +5V PWR - -
50 VCC Power +5V PWR - -
Note: The termination resistors in this table are already mounted on the ETX® board. Refer to the design guide
for information about additional termination resistors.