
Kontron User's Guide ETXexpress® CD
4.2.1 Connector X1A
Connector X1A (Signal Levels A1-A55)
Pin A1-A55 [ LAN | Power | USB | SATA | PCIe | AUDIO]
LAN_RXD- | Ethernet Receive Data -
LAN_RXD- | Ethernet Receive Data -
LAN_100LED# | Ethernet Speed LED
LAN_1000LED# | Ethernet Speed LED
LAN_RXD- | Ethernet Receive Data -
LAN_RXD- | Ethernet Receive Data -
LAN_LILED# | LAN Link LED
LAN_RXD- | Ethernet Receive Data -
LAN_RXD+ | Ethernet Receive Data +
LAN_TXD- | Ethernet Transmit Data -
LAN_TXD+ | Ethernet Transmit Data +
SATA0_TX+ | SATA 0 Transmit Data +
SATA0_TX- | SATA 0 Transmit Data -
SATA0_RX+ | SATA 0 Receive Data +
SATA0_RX- | SATA 0 Receive Data -
SATA0_TX+ | SATA 2 Transmit Data +
SATA0_TX- | SATA 2 Transmit Data -
SATA0_RX+ | SATA 2 Receive Data +
SATA0_RX- | SATA 2 Receive Data -
int. PD 20k in ICH7–PU to 3.3V f. x4
int. PD 20k in ICH7–PU to 3.3V f. x4
USB_PN6 | USB Data – Port6
USB_PP6 | USB Data + Port6
USB_OC#_6_7 | USB OverCurrent Port 6/7
USB_PN4 | USB Data - Port4
USB_PP4 | USB Data + Port4
USB_PN2 | USB Data - Port2
USB_PP2 | USB Data + Port2
USB_OC#_2_3 | USB OverCurrent Port 2/3
USB_PN0 | USB Data - Port0
USB_PP0 | USB Data + Port0
Express Card Support [0]|card reset
Express Card Support [0]| capable c. request
INT_SERIRQ | Serial Interrupt Request
GPI0 | General Purpose Input 0
PCI Express lane 4 + Transmit
Note: The termination resistors in this table are already mounted on the COM Express® board. Refer to the design
guide for information about additional termination resistors.
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