
Kontron ETXexpress-AI User’s Guide
15
Type Description
nc
Not connected, signal not available
Note: To protect external power lines of peripheral devices, make sure
that the wires have the right diameter to withstand the maximum
available current and the enclosure of the peripheral device fulfills
the fire-protection requirements in IEC/EN60950
4.1 COM Express™ Type 2 Pin-Outs
Table 3: Type 2 Connector X1A - Row A
Pin Signal Description Type Terminatio
n
Comment
A1
GND (Fixed)
Power Ground PWR - -
A2
GBE0_MDI3-
Ethernet Receive
Data-
DP-I Intel®
82577
-
A3
GBE0_MDI3+
Ethernet Receive
Data+
DP-I Intel®
82577
-
A4
GBE0_LINK10
0#
Ethernet Speed LED
100Mbps
O-3.3 Intel®
82577
-
A5
GBE0_LINK10
00#
Ethernet Speed LED
1000Mbps
O-3.3 Intel®
82577
-
A6
GBE0_MDI2-
Ethernet Receive
Data-
DP-I Intel®
82577
-
A7
GBE0_MDI2+
Ethernet Receive
Data+
DP-I Intel®
82577
-
A8
GBE0_LINK#
LAN Link LED OD Intel®
82577
-
A9
GBE0_MDI1-
Ethernet Receive
Data-
DP-I Intel®
82577
-
A10
GBE0_MDI1+
Ethernet Receive
Data+
DP-I Intel®
82577
-
A11
GND (Fixed)
Power Ground PWR - -
A12
GBE0_MDI0-
Ethernet Transmit
Data-
DP-O Intel®
82577
-
A13
GBE0_MDI0+
Ethernet Transmit
Data+
DP-O Intel®
82577
-
A14
GBE0_CTREF
LAN Reference Voltage O-3.3 controlled
on a power
rail
-
A15
SUS_S3#
Indicates Suspend to
RAM state
O-3.3 CPLD I/O CPLD I/O
A16
SATA0_TX+
SATA 0 Transmit Data+ DP-O -
A17
SATA0_TX-
SATA 0 Transmit Data- DP-O -
A18
SUS_S4#
Indicates Suspend to
Disk state
O-3.3 CPLD I/O CPLD I/O
A19
SATA0_RX+
SATA 0 Receive Data+ DP-I
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