COMe-cHL6 / User Information
COMe-mBT10 User Guide
// 42
6.3.
Connector X1A Row B
Pin
Signal
Description
Type
Termination
Comment
B1
GND
Power Ground
PWR GND
-
-
B2
GBE0_ACT
Ethernet Activity LED
OD
-
-
B3
LPC_FRAME#
LPC Frame Indicator
O-3.3
PU 20k in CPU (S0)
-
B4
LPC_AD0
LPC Multiplexed Command, Address & Data 0
I/O-3.3
PU 20k in CPU (S0)
-
B5
LPC_AD1
LPC Multiplexed Command, Address & Data 1
I/O-3.3
PU 20k in CPU (S0)
-
B6
LPC_AD2
LPC Multiplexed Command, Address & Data 2
I/O-3.3
PU 20k in CPU (S0)
-
B7
LPC_AD3
LPC Multiplexed Command, Address & Data 3
I/O-3.3
PU 20k in CPU (S0)
-
B8
LPC_DRQ0#
LPC Serial DMA/Master Request 0
I-3.3
PU 15k in CPLD (S5)
resistor value can range from 5kOhm to 25kOhm
B9
LPC_DRQ1#
LPC Serial DMA/Master Request 1
I-3.3
PU 15k in CPLD (S5)
resistor value can range from 5kOhm to 25kOhm
B10
LPC_CLK
33MHz LPC clock
O-3.3
PD 20k in CPU
33MHz at E38xx CPUs and 25MHz at other CPUs
B11
GND
Power Ground
PWR GND
-
-
B12
PWRBTN#
Power Button
I-3.3
PU 10k 3.3V (S5eco) -
B13
SMB_CK
SMBUS Clock
O-3.3
PU 2k9 3.3V (S5)
-
B14
SMB_DAT
SMBUS Data
I/O-3.3
PU 2k9 3.3V (S5)
-
B15
SMB_ALERT#
SMBUS Alert
I/O-3.3
PU 10k 3.3V (S5)
-
B16
S
SATA 1 Transmit Pair +
DP-O
-
-
B17
SATA1_TX-
SATA 1 Transmit Pair -
DP-O
-
-
B18
SUS_STAT#
Suspend Status
O-3.3
-
-
B19
S
SATA 1 Receive Pair +
DP-I
-
-
B20
SATA1_RX-
SATA 1 Receive Pair -
DP-I
-
-
B21
GND
Power Ground
PWR GND
-
-
B22
USB_SSTX0-
USB 3.0 Transmit Pair 0 +
DP-O
-
-
B23
US
USB 3.0 Transmit Pair 0 -
DP-O
-
-
B24
PWR_OK
Power OK
I-5T
PU 61k 3.3V
pullup voltage is S0 in ATX mode/ S5 in single
supply mode / 5V tolerant
B25
USB_SSTX1-
USB 3.0 Transmit Pair 1 +
DP-I
-
-
B26
US
USB 3.0 Transmit Pair 1 -
DP-I
-
-
B27
WDT
Watch Dog Time-Out event
O-3.3
-
-
B28
AC/HDA_SDIN2
HD Audio Serial Data In 2
nc
-
SDIN2 is not supported by COMe-mBT10
B29
AC/HDA_SDIN1
HD Audio Serial Data In 1
I-3.3
PD 20k in CPU
-
B30
AC/HDA_SDIN0
HD Audio Serial Data In 0
I-3.3
PD 20k in CPU
-
B31
GND
Power Ground
PWR GND
-
-
B32
SPKR
Speaker
O-3.3
PU 20k in CPU (S0)
-
B33
I2C_CK
I2C Clock
O-3.3
PU 2k21 3.3V (S5)
-
B34
I2C_DAT
I2C Data
I/O-3.3
PU 2k21 3.3V (S5)
-
B35
THRM#
Over Temperature Input
I-3.3
PU 10k 3.3V (S0)
no function implemented
B36
USB7-
USB 2.0 Data Pair Port 7 –
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B37
USB7+
USB 2.0 Data Pair Port 7 +
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B38
USB_4_5_OC#
USB Overcurrent Indicator Port 4/5
I-3.3
PU 10k 3.3V (S5)
-
B39
USB5-
USB 2.0 Data Pair Port 5 –
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B40
USB5+
USB 2.0 Data Pair Port 5 +
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B41
GND
Power Ground
PWR GND
-
-
B42
USB3-
USB 2.0 Data Pair Port 3 –
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B43
USB3+
USB 2.0 Data Pair Port 3 +
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B44
USB_0_1_OC#
USB Overcurrent Indicator Port 0/1
I-3.3
PU 15k in CPLD (S5)
resistor value can range from 5kOhm to 25kOhm
B45
USB1-
USB 2.0 Data Pair Port 1 –
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B46
USB1+
USB 2.0 Data Pair Port 1 +
DP-I/O
PD/PU in CPU
PD /-5% on Downstream Facing Port;
PU 1.5kOhm +/-5% on Upstream Facing Port
B47
EXCD1_PERST#
Express Card Reset Port 1
O-3.3
-
-
B48
EXCD1_CPPE#
Express Card Capable Card Request Port 1
I-3.3
PU 10k 3.3V (S0)
-
B49
SYS_RESET#
Reset Button Input
I-3.3
PU 10k 3.3V (S5)
-
B50
CB_RESET#
Carrier Board Reset
O-3.3
-
-
B51
GND
Power Ground
PWR GND
-
-
B52
RSVD
Reserved for future use
nc
-
-
B53
RSVD
Reserved for future use
nc
-
-
B54
GPO1
General Purpose Output 1
O-3.3
PD 100k
-
B55
RSVD
Reserved for future use
nc
-
-
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