Kontron COMe-bCD2 User Manual
Page 23
4 Connector Pinouts
Kontron User's Guide ETXexpress® CD
23
Connector X1B (Signal Levels B1-B55)
Pin B1-B55
[
LAN
|
Power
|
USB
|
SATA
|
PCIe
|
AUDIO
|
LPC
]
Pin
Signal
Description
Type
Termination
Comment
B1
GND
Power Ground
PWR
-
-
B2
GBE0_ACT
LAN_ACTLED# | Ethernet Activity LED
O-3,3
-
-
B3
LPC_FRAME#
LPC_FRAME# | LPC Frame Indicator
I-3,3
-
-
B4
LPC_AD0
LPC_AD0 | LPC Adress & DATA Bus
IO-3,3
-
-
B5
LPC_AD1
LPC_AD1 | LPC Adress & DATA Bus
IO-3,3
-
-
B6
LPC_AD2
LPC_AD2 | LPC Adress & DATA Bus
IO-3,3
-
-
B7
LPC_AD3
LPC_AD3 | LPC Adress & DATA Bus
IO-3,3
-
-
B8
LPC_DRQ0#
SIO_DRQ#0 | LPC Request 0
I-3,3
-
-
B9
LPC_DRQ1#
SIO_DRQ#1 | LPC Request 1
I-3,3
-
-
B10
LPC_CLK
CLK_SIOEXTPCI
O-3,3
-
-
B11
GND
Power Ground
PWR
-
-
B12
PWRBTN#
Power Button
I-5
-
-
B13
SMB_CK
SMB_CLK | SMBUS Clock
O-3,3
PU 2k2 3,3V
-
B14
SMB_DAT
SMB_DATA | SMBUS Data
IO-3,3
PU 2k2 3,3V
-
B15
SMB_ALERT#
SMB_ALERT#
IO-3,3
PU 2k2 3,3V
-
B16
SATA1_TX+
SATA1_TX+
O
-
-
B17
SATA1_TX-
SATA1_TX-
O
-
-
B18
SUS_STAT#
PM_SUS_ STAT#
O-3,3
-
-
B19
SATA1_RX+
SATA1_RX+
I
-
-
B20
SATA1_RX-
SATA1_RX-
I
-
-
B21
GND
Power Ground
PWR
-
-
B22
SATA3_TX+
SATA3_TX+
O
-
-
B23
SATA3_TX-
SATA3_TX-
O
-
-
B24
PWR_OK
ETX_PWR_OK | Power OK
I-3,3
-
-
B25
SATA3_RX+
SATA3_RX+
I
-
-
B26
SATA3_RX-
SATA3_RX-
I
-
-
B27
WDT
Watch Dog Timer
O-3,3
-
-
B28
AC_SDIN2
AC_SDATAIN2 | AC'97 Serial Input Data 2
I-3,3
-
int. PD 20k in ICH7
B29
AC_SDIN1
AC_SDATAIN1 | AC'97 Serial Input Data 1
I-3,3
-
int. PD 20k in ICH7
B30
AC_SDIN0
AC_SDATAIN0 | AC'97 Serial Input Data 0
I-3,3
-
int. PD 20k in ICH7
B31
GND
Power Ground
PWR
-
-
B32
SPKR
AC_SPKR | Speaker
O-3,3
-
int. PD 20k in ICH7
B33
I2C_CK
I2CLK
O-3,3
PU 2k2 3,3V
-
B34
I2C_DAT
I2DAT
IO-3,3
PU 2k2 3,3V
-
B35
THRM#
PM THRM# CON | Over Temperature
O-3,3
PU 10k 3,3V
-
B36
USB7-
USB_PN7 | USB Data – Port7
DP
-
int. PD 15k in ICH7
B37
USB7+
USB_PP7 | USB Data + Port7
DP
-
int. PD 15k in ICH7
B38
USB_4_5_OC#
USB_OC#_4_5 | USB OverCurrent Port 4/5
I-3.3
PU 10k 3,3V
-
B39
USB5-
USB_PN5 | USB Data- Port5
DP
-
int. PD 15k in ICH7
B40
USB5+
USB_PP5 | USB Data+ Port5
DP
-
int. PD 15k in ICH7
B41
GND
Power Ground
PWR
-
-
B42
USB3-
USB_PN3 | USB Data- Port3
DP
-
int. PD 15k in ICH7
B43
USB3+
USB_PP3 | USB Data+ Port3
DP
-
int. PD 15k in ICH7
B44
USB_0_1_OC#
USB_OC#_0_1 | USB OverCurrent Port 0/1
I-3.3
PU 10k 3,3V
-
B45
USB1-
USB_PN1 | USB Data- Port1
DP
-
int. PD 15k in ICH7
B46
USB1+
USB_PP1 | USB Data+ Port1
DP
-
int. PD 15k in ICH7
B47
EXCD1_PERST#
Express Card Support [1]|card reset
O-3,3
-
-
B48
EXCD1_CPPE#
Express Card Support [1]| capable c.
request
I-3,3
-
-
B49
SYS_RESET#
ETX_SYS_RESET# | Reset Input
I-3,3
PU 10k 3,3V
-
B50
CB_RESET#
PCI_RST# | PCI Bus Reset
O-3,3
-
-
B51
GND
Power Ground
PWR
-
-
B52
PCIE_RX5+
n.c.
Nc
-
-
B53
PCIE_RX5-
n.c.
Nc
-
-
B54
GPO1
GPO1 | General Purpose Output 1
O-3,3
PD 10k
-
B55
PCIE_RX4+
PCI Express lane 4 + Recieve
I
-
availlable when ICH7-MDH or
-R
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.