Kontron ETXexpress-AI User Manual
Page 39
Kontron ETXexpress-AI User’s Guide
34
Pin
Signal
Description
Type
Termination Comment
A25
SATA2_RX+
SATA 2 Receive
Data+
Not connected
nc
nc
A26
SATA2_RX-
SATA 2 Receive
Data-
Not connected
nc
nc
A27
BATLOW#
Indicates low
external battery
I-3.3
CPLD I/O
A28
(S)ATA_ACT#
SATA, IDE, SD
Activity
Indicator
O-3.3
Buffered
output
A29
AC/HDA_SYNC
HD Audio Sync
O-3.3
A30
AC/HDA_RST#
HD Audio Reset
O-3.3
A31
GND Fixed)
Power Ground
PWR
-
-
A32
AC/HDA_BITC
LK
HD Audio Clock
O-3.3
A33
AC/HDA_SDOU
T
HD Audio Data
O-3.3
A34
BIOS_DIS0#
Disable Module
BIOS Enables boot
from a BIOS on
Baseboard
I-3.3
A35
THRMTRIP#
CPU thermal
shutdown
indicator
O-3.3
A36
USB6-
USB Data- Port #6 DP-I/O
-
A37
USB6+
USB Data+ Port #6 DP-I/O
-
A38
USB_6_7_OC#
USB Overcurrent
Pair 6/7
I-3.3
A39
USB4-
USB Data- Port #4 DP-I/O
A40
USB4+
USB Data+ Port #4 DP-I/O
-
A41
GND (Fixed)
Power Ground
PWR
-
-
A42
USB2-
USB Data- Port #2
A43
USB2+
USB Data+ Port #2 DP-I/O
A44
USB_2_3_OC#
USB Overcurrent
Pair 2/3
I-3.3
A45
USB0-
USB Data- Port #0 DP-I/O
A46
USB0+
USB Data+ Port #0 DP-I/O
A47
VCC_RTC
RTC Power Supply
+3V
PWR
-
-
A48
EXCD0_PERST
#
PCIe Express Card
0 Reset
O-3.3
A49
EXCD0_CPPE#
PCIe Express Card
0 Request
I-3.3
A50
LPC_SERIRQ
LPC Serial
Interrupt Request
IO-3.3
A51
GND (Fixed)
Power Ground
PWR
-
-
A52
PCIE_TX5+
PCIe 5 Transmit
Data+
DP-O
A53
PCIE_TX5-
PCIe 5 Transmit
DP-O