COMe-mEL10 - User Guide Rev. 1.1
// 46
5.3.
COMe Interface Connector (X1A) Pin Assignment
The following tables list the pin assignment of the 220-pin COMe interface connector X1A (Row A1 to A110) and (Row B1
to B110).
5.3.1.
Connector X1A Row A1 - A110
Table 22: Connector X1A Row A1 to A110 Pin Assignment
Pin
COMe Signal
Description
Type
Termination Description
A1
GND
Power Ground
PWR GND
A2
GBE0_MDI3-
Ethernet Media Dependent Interface 3
DP-I/O
A3
GB
A4
GBE0_LINK100#
Ethernet speed LED indicator
OD
A5
GBE0_LINK1000#
A6
GBE0_MDI2-
Ethernet Media Dependent Interface 2
DP-I/O
A7
GB
A8
GBE0_LINK#
Ethernet link LED indicator (LED)
OD
A9
GBE0_MDI1-
Ethernet Media Dependent Interface 1
DP-I/O
A10
GB
A11
GND
Power Ground
PWR GND
A12
GBE0_MDI0-
Ethernet Media Dependent Interface 0
DP-I/O
A13
GB
A14
GBE0_CTREF
Center Tab Reference Voltage
O
100 nF capacitor to GND
A15
SUS_S3#
Indicates Suspend to RAM (or deeper)
O-3.3
PD 10 k
Ω
A16
S
SATA transmit data pair 0
DP-O
AC Coupled on
Module
A17
SATA0_TX-
A18
SUS_S4#
Indicates Suspend to Disk (or deeper)
state
O-3.3
PD 10 k
Ω
A19
S
SATA receive data pair 0
DP-I
AC Coupled on
Module
A20
SATA0_RX-
A21
GND
Power Ground
PWR GND
A22
USB_SSRX0-
USB super speed receive data pair 0
DP-I
A23
US
A24
SUS_S5#
Indicates system is in Soft Off state
O-3.3
PD 10 k
Ω
A25
USB_SSRX1-
USB super speed receive data pair 1
DP-I
A26
US
A27
BATLOW#
Provides a battery-low signal to the
module to indicate external battery is
low
I-3.3
PU 10 k
Ω
,
3.3 V (S5)
Assertion prevents wake
from S3-S5 state
A28
ATA_ACT#
Serial ATA activity LED indicator
OD-3.3
PU 10 k
Ω
,
3.3 V (S0)
Can sink 15 mA
A29
HDA_SYNC
HD Audio Sync
O-3.3
A30
HDA_RST#
HD Audio Reset
O-3.3
A31
GND
Power Ground
PWR GND
A32
HDA_CLK
HD Audio Bit Clock Output
O-3.3
A33
HDA_SDOUT
HD Audio Serial Data Out
O-3.3
A34
BIOS_DIS0#
BIOS selection straps 0
I-3.3
PU 10 k
Ω,
3.3 V (S5)
