COMe-bV26 - Rev. 1.0, User Guide
// 51
5.5.
Connector X1A Row B1 - B110
Table 23: Connector X1A Row B1 to B110 Pin Assignment
Pin
Signal
Description
Type
Termination
Comment
B1
GND
Power Ground
PWR
GND
---
---
B2
GBE0_ACT#
Ethernet Activity LED
OD
---
---
B3
LPC_FRAME#/
ESPI_CS0
LPC Frame Indicator /
eSPI Master Chip Select 0
O-3.3
---
---
B4
LPC_AD0/
ESPI_IO_0
LPC Multiplexed Command,
Address & Data 0 / eSPI Master
Data I/O 0
I/O-
3.3
PU (S0) SKU
---
B5
LPC_AD1/
ESPI_IO_1
LPC Multiplexed Command,
Address & Data 1 / eSPI Master
Data I/O 1
I/O-3.
3
PU (S0) SKU
---
B6
LPC_AD2/
ESPI_IO_2
LPC Multiplexed Command,
Address & Data 2 / eSPI Master
Data I/O 2
I/O-3.
3
PU (S0) SKU
---
B7
LPC_AD3/
ESPI_IO_3
LPC Multiplexed Command,
Address & Data 3 / eSPI Master
Data I/O 3
I/O-3.
3
PU (S0) SKU
---
B8
LPC_DRQ0#/
ESPI_ALERT0#
LPC Serial DMA/Master Request
0 /
eSPI Alert 0
I-3.3
PU 10k 3.3V
(SO)
---
B9
LPC_DRQ1#/
ESPI_ALERT1#
Not connected
NC
---
---
B10
LPC_CLK/
ESPI_CK
24MHz LPC clock
O-3.3
---
33MHz
B11
GND
Power Ground
PWR
GND
---
---
B12
PWRBTN#
Power Button
I-3.3
PU 10k 3.3V
(S5)
---
B13
SMB_CK
SMBUS Clock
O-3.3
PU 3k74 3.3V
(S5)
---
B14
SMB_DAT
SMBUS Data
I/O-
3.3
PU 3k74 3.3V
(S5)
---
B15
SMB_ALERT#
SMBUS Alert
I-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#/
ESPI_RESET#
Suspend Status / eSPI Reset
O-3.3
PD 10k
---
B19
S
SATA 1 Receive Pair +
DP-I
---
---
B20
SATA1_RX-
SATA 1 Receive Pair -
DP-I
---
---
B21
GND_B21
Power Ground
PWR
GND
---
---
B22
S
SATA 3 Transmit Pair +
DP-O
---
---
B23
SATA3_TX-
SATA 3 Transmit Pair -
DP-O
---
---
B24
PWR_OK
Power OK
I-3.3
PU 51k1at
3.3V
20V protection
circuit implemented
on module
B25
S
SATA 3 Receive Pair +
DP-I
---
---
B26
SATA3_RX-
SATA 3 Receive Pair -
DP-I
---
---
