Kontron ETX -CN8, User Manual

Page: 33 / 78

4 ETX® Connectors
Kontron User's Guide ETX®-CN8 33
4.6.2 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 4k7 5V -
6 SPEAKER Speaker Output O-3.3 - -
7 PWRBTN# Power Button I-5 - -
8 BATT Battery Supply I - -
9 KBINH Keyboard Inhibit Control Input I-5 PU 4k7 3.3V -
10 LILED Ethernet Link LED O-3.3 - -
11 RSMRST# Resume Reset Input I-3.3 PU 4k7 3.3V -
12 ACTLED Ethernet Activity LED O-3.3 - -
13 NC - nc - -
14 SPEEDLED Ethernet Speed LED O-3.3 - on at 100Mb/s
15 NC - nc - -
16 I2CLK I2C Bus Clock O-5 PU 2k2 5V -
17 VCC Power +5V PWR - -
18 VCC Power +5V PWR - -
19 OVCR# Over Current Detect for USB I-3.3 PU 8k2 3.3V -
20 NC - nc - -
21 EXTSMI# System Management Interrupt Input I-3.3 PU 4k7 3.3V -
22 I2DAT I2C Bus Data IO-5 PU 2k2 5V -
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 External SMB Alert I-3.3 PU 10k 3.3V -
27 SIDE_CS1# Secondary IDE Chip Select Channel 0 O-3.3 - -
28 NC - nc - -
29 SIDE_A2 Secondary IDE Address Bus O-3.3 - -
30 PIDE_CS3# Primary IDE Chip Select Channel 1 O-3.3 - -
31 SIDE_A0 Secondary IDE Address 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 80-conductor IDE cable Channel 1 I-3.3 PU 10k 3.3V -
36 PIDE_A2 Primary IDE Address Bus O-3.3 - -
37 SIDE_A1 Secondary IDE Address Bus O-3.3 - -
38 PIDE_A0 Primary IDE Address Bus O-3.3 - -
39 SIDE_INTRQ Secondary IDE Interrupt Request I-3.3 PU 10k 3.3V -
40 PIDE_A1 Primary IDE Address Bus O-3.3 - -
41 PM_BATLOW Battery Low I-3.3 PU 10k 3.3V -
42 GPE1# External general purpose input 1 I-3.3 PU 4k7 3.3V -
43 SIDE_AK# Secondary IDE DMA Acknowledge O-3.3 - -
44 PIDE_INTRQ Primary IDE Interrupt Request I-3.3 PU 10k 3.3V -
45 SIDE_RDY Secondary IDE Ready I-3.3 PU 4k7 3.3V -
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 4k7 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. Please refer to the design
guide for information about additional termination resistors.