1 connector x1a, Connector x1a (signal levels a1-a55) – Kontron COMe-bCD2 User Manual
Page 21
4 Connector Pinouts
Kontron User's Guide ETXexpress® CD
21
4.2.1
Connector X1A
Connector X1A (Signal Levels A1-A55)
Pin A1-A55
[
LAN
|
Power
|
USB
|
SATA
|
PCIe
|
AUDIO
]
Pin
Signal
Description
Type Termination
Comment
A1
GND
Power Ground
PWR
-
-
A2
GBE0_MDI3-
LAN_RXD- | Ethernet Receive Data -
I
-
-
A3
GBE0_MDI3+
LAN_RXD- | Ethernet Receive Data -
I
-
-
A4
GBE0_LINK100#
LAN_100LED# | Ethernet Speed LED
O-3,3
-
On at 100Mb/s
A5
GBE0_LINK1000#
LAN_1000LED# | Ethernet Speed LED
O-3,3
-
On at 1000Mb/s
A6
GBE0_MDI2-
LAN_RXD- | Ethernet Receive Data -
I
-
-
A7
GBE0_MDI2+
LAN_RXD- | Ethernet Receive Data -
I
-
-
A8
GBE0_LINK#
LAN_LILED# | LAN Link LED
O-3,3
-
-
A9
GBE0_MDI1-
LAN_RXD- | Ethernet Receive Data -
I
-
-
A10
GBE0_MDI1+
LAN_RXD+ | Ethernet Receive Data +
I
-
-
A11
GND
Power Ground
PWR
-
-
A12
GBE0_MDI0-
LAN_TXD- | Ethernet Transmit Data -
O
-
-
A13
GBE0_MDI0+
LAN_TXD+ | Ethernet Transmit Data +
O
-
-
A14
GBE0_CTREF
ETH_CTREF
O-3,3
-
-
A15
SUS_S3#
PM_SLP_S#3
O-3,3
-
-
A16
SATA0_TX+
SATA0_TX+ | SATA 0 Transmit Data +
O
-
-
A17
SATA0_TX-
SATA0_TX- | SATA 0 Transmit Data -
O
-
-
A18
SUS_S4#
PM_SLP_S#4
O-3,3
-
-
A19
SATA0_RX+
SATA0_RX+ | SATA 0 Receive Data +
I
-
-
A20
SATA0_RX-
SATA0_RX- | SATA 0 Receive Data -
I
-
-
A21
GND
Power Ground
PWR
-
-
A22
SATA2_TX+
SATA0_TX+ | SATA 2 Transmit Data +
O
-
-
A23
SATA2_TX-
SATA0_TX- | SATA 2 Transmit Data -
O
-
-
A24
SUS_S5#
PM_SLP_S#5
O-3,3
-
-
A25
SATA2_RX+
SATA0_RX+ | SATA 2 Receive Data +
O
-
-
A26
SATA2_RX-
SATA0_RX- | SATA 2 Receive Data -
O
-
-
A27
BATLOW#
PM_BATLOW# | Battery Low
I-3,3
PU 8k2 3,3V
-
A28
ATA_ACT#
ATA_LED# | SATA LED
O-3,3
PU 10k 3,3V
-
A29
AC_SYNC
AC_SYNC | AC'97 Sync
O-3.3
-
int. PD 20k in ICH7–PU to 3.3V f. x4
A30
AC_RST#
AC_RST# | AC'97 Reset
O-3,3
-
int. PD 20k in ICH7
A31
GND
Power Ground
PWR
-
-
A32
AC_BITCLK
AC_BITCLK | AC'97 Clock
I-3,3
-
int. PD 20k in ICH7
A33
AC_SDOUT
AC_SDATAOUT | AC'97 Data
O-3,3
-
int. PD 20k in ICH7–PU to 3.3V f. x4
A34
BIOS_DISABLE#
BIOS_DISABLE#
I-3,3
-
-
A35
THRMTRIP#
PM_THRMTRIP#_CON
IO-3,3 PU 10k 3,3V
-
A36
USB6-
USB_PN6 | USB Data – Port6
DP
-
int. PD 15k in ICH7
A37
USB6+
USB_PP6 | USB Data + Port6
DP
-
int. PD 15k in ICH7
A38
USB_6_7_OC#
USB_OC#_6_7 | USB OverCurrent Port 6/7
I-3,3
-
-
A39
USB4-
USB_PN4 | USB Data - Port4
DP
-
int. PD 15k in ICH7
A40
USB4+
USB_PP4 | USB Data + Port4
DP
-
int. PD 15k in ICH7
A41
GND
Power Ground
PWR
-
-
A42
USB2-
USB_PN2 | USB Data - Port2
DP
-
int. PD 15k in ICH7
A43
USB2+
USB_PP2 | USB Data + Port2
DP
-
int. PD 15k in ICH7
A44
USB_2_3_OC#
USB_OC#_2_3 | USB OverCurrent Port 2/3
I-3,3
PU 10k 3,3V
-
A45
USB0-
USB_PN0 | USB Data - Port0
DP
-
int. PD 15k in ICH7
A46
USB0+
USB_PP0 | USB Data + Port0
DP
-
int. PD 15k in ICH7
A47
VCC_RTC
+V_BAT
PWR
-
-
A48
EXCD0_PERST#
Express Card Support [0]|card reset
O-3,3
-
-
A49
EXCD0_CPPE#
Express Card Support [0]| capable c. request
I-3,3
-
-
A50
LPC_SERIRQ
INT_SERIRQ | Serial Interrupt Request
IO-3,3 PU 8k2 3,3V
-
A51
GND
Power Ground
PWR
-
-
A52
PCIE_TX5+
n.c.
Nc
-
-
A53
PCIE_TX5-
n.c.
Nc
-
-
A54
GPI0
GPI0 | General Purpose Input 0
I-3,3
PU 10k 3,3V
-
A55
PCIE_TX4+
PCI Express lane 4 + Transmit
O
-
-
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.