ADLINK ETX-BT User Manual
Page 25
Page 25
X4 Signal Descriptions
Pin
Signal
Description
Type
PU/PD
Comment
1 GND
Ground
PWR -
-
2 GND
Ground
PWR -
-
3
5V_SB
Supply of internal suspend Circuit
PWR -
-
4
PWGIN
Power Good / Reset Input
I-3,3 -
-
5
PS_ON
Power Supply On
O-5
PU 4k7 5VSB
-
6 SPEAKER
Speaker
Output
O-5 -
-
7 PWRBTN#
Power
Button
I-5
PU 10k 3,3BMC
-
8 BATT
Battery
Supply
PWR -
-
9
KBINH
Keyboard Inhibit Control Input
NC
-
-
10
LILED
Ethernet Link LED
O-3,3 -
-
11
RSMRST#
Resume Reset input
I-3,3
PU 10k 3,3VSB
-
12
ACTLED
Ethernet Activity LED
O-3,3 -
-
13 ROMKBCS#
-
NC -
-
14
SPDLED
Ethernet Speed LED
O-3,3 -
-
15 EXT_PRG
-
NC -
-
16
I2CLK
I2C Bus Clock
O-5
PU 2.2k 5V
17 5VCC Power
+5V
PWR -
-
18 5VCC Power
+5V
PWR -
-
19
OVCR#
Over Current Detect for USB
I-3,3
PU 10k 3,3VSB
-
20 GPCS#
-
NC -
-
21
EXTSMI#
System Management Interrupt Input
I-3,3
PU 10k 3,3V
To be verified
22
I2DAT
I2C Bus Data
IO-5
PU 2.2k 5V
-
23
SMBCLK
SM Bus Clock
O-3,3
PU 2k2 3,3VSB
-
24
SMBDATA
SM Bus Data
IO-3,3
PU 2k2 3,3VSB
-
25
S_CS3#
Secondary IDE Chip Select Channel 1
O-3,3 -
-
26
SMBALERT SM Bus Alert
I-3,3
PU 10k 3,3VSB
-
27
S_CS1#
Secondary IDE Chip Select Channel 0
O-3,3 -
-
28 DASP_S
-
I-3,3 -
-
29
S_A2
Secondary IDE Address Bus
O-3,3 -
-
30
P_CS3#
Primary IDE Chip Select Channel 1
O-3,3 -
-
31
S_A0
Secondary IDE Address Bus
O-3,3 -
-
32
P_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 -
-
36
P_A2
Primary IDE Address Bus
O-3,3 -
-
37
S_A1
Secondary IDE Address Bus
O-3,3 -
-
38
P_A0
Primary IDE Address Bus
O-3,3 -
-
39
S_INTRQ
Secondary IDE Interrupt Request
I-3,3 PD
10k
-
40
P_A1
Primary IDE Address Bus
O-3,3 -
-
41 BATLOW# Battery
Low
I-3,3
-
42 GPE1#
-
NC -
-
43
S_AK#
Secondary IDE DMA Acknowledge
O-3,3 -
-
44
P_INTRQ
Primary IDE Interrupt Request
I-3,3 PD
10k
-
45
S_RDY
Secondary IDE Ready
I-3,3
PU 5k6 3,3V
-
46
P_AK#
Primary IDE DMA Acknowledge
O-3,3 -
-
47
S_IOR#
Secondary IDE IO Read
O-3,3 -
-
48
P_RDY
Primary IDE Ready
I-3,3
PU 5k6 3,3V
-
49 5VCC Power
+5V
PWR -
-
50 5VCC Power
+5V
PWR -
-