Kontron ETXexpress-AI User Manual
Page 21
Kontron ETXexpress-AI User’s Guide
16
Pin
Signal
Description
Type
Terminatio
n
Comment
A20
SATA0_RX-
SATA 0 Receive Data-
DP-I
-
A21
GND (Fixed)
Power Ground
PWR
-
A22
SATA2_TX+
SATA 2 Transmit Data- DP-O
A23
SATA2_TX-
SATA 2 Transmit Data+ DP-O
A24
SUS_S5#
Indicates Soft Off
state
O-3.3
CPLD I/O
CPLD I/O
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