COMe-mSP1 / System Resources
5.9.3 Connector X1A Row B
Pin Signal Description Type Termination (CE 4.x.x) Comment
B1 GND_16 Power Ground PWR - -
B2 GBE0_ACT# Ethernet Activity LED OD - -
B3 LPC_FRAME# LPC Frame Indicator O-3.3 - -
B4 LPC_AD0 LPC Address / Data Bus IO-3.3 PU 20k in US15W -
B5 LPC_AD1 LPC Address / Data Bus IO-3.3 PU 20k in US15W -
B6 LPC_AD2 LPC Address / Data Bus IO-3.3 PU 20k in US15W -
B7 LPC_AD3 LPC Address / Data Bus IO-3.3 PU 20k in US15W -
B8 LPC_DRQ0# Not Connected nc - -
B9 LPC_DRQ1# Not Connected nc - -
B10 LPC_CLK LPC Clock O-3.3 - up to 33MHz
B11 GND_17 Power Ground PWR - -
B12 PWRBTN# Power Button Input I-3.3 PU 1k 3.3V active on rising edge
B13 SMB_CLK SMBus Clock O-3.3 PU 2k8 3.3V -
B14 SMB_DAT SMBus Data IO-3.3 PU 2k8 3.3V -
B15 SMB_ALERT# SMBus Interrupt IO-3.3 PU 5k 3.3V -
B16 SATA1_TX+ Not Connected nc - not supported
B17 SATA1_TX- Not Connected nc - not supported
B18 SUS_STAT# Indicates imminent suspend operation; used to notify
LPC devices.
O-3.3 - CPLD I/O
B19 SATA1_RX+ Not Connected nc - not suppor ted
B20 SATA1_RX- Not Connected nc - not supported
B21 GND_18 Power Ground PWR - -
B22 SATA3_TX+ Not Connected nc - not supported
B23 SATA3_TX- Not Connected nc - not supported
B24 PWR_OK Power OK from power supply I-5T PU 1M 3.3V CPLD I/O
B25 SATA3_RX+ Not Connected nc - not suppor ted
B26 SATA3_RX- Not Connected nc - not supported
B27 WDT Indicator for Watchdog Timeout O-3.3 - not suppor ted
B28 AC_SDIN2 Not Connected nc - not supported
B29 AC_SDIN1 Audio Codec Ser ial Data in 1 I-3.3 PD 22k in US15W -
B30 AC_SDIN0 Audio Codec Ser ial Data in 0 I-3.3 PD 22k in US15W -
B31 GND_19 Power Ground PWR - -
B32 SPKR Speaker Interface O-3.3 - -
B33 I2C_CK General Purpose I2C Clock IO-3.3 PU 2k2 3.3V CPLD I/O
B34 I2C_DAT General Purpose I2C Data IO-3.3 PU 2k2 3.3V CPLD I/O
B35 THRM# Over Temperature Indicator I-3.3 - CPLD I/O
B36 USB7- USB Data- Port #7 (USB Mode) / USB Data- Client
(Client Mode)
DP-I/O / DP-I/O PD 15k in US15W / PU 1k5
in US15W
- / -
B37 USB7+ USB Data+ Port #7 (USB Mode) / USB Data+ Client
(Client Mode)
DP-I/O / DP-I/O PD 15k in US15W / PU 1k5
in US15W
- / -
B38 USB_4_5_OC# USB Over current Pair 4 / 5 I-3.3 PU 10k 3.3V -
B39 USB5- USB Data- Port #5 DP-I/O PD 15k in US15W -
B40 USB5+ USB Data+ Port #5 DP-I/O PD 15k in US15W -
B41 GND_20 Power Ground PWR - -
B42 USB3- USB Data- Port #3 DP-I/O PD 15k in US15W -
B43 USB3+ USB Data+ Port #3 DP-I/O PD 15k in US15W -
B44 USB_0_1_OC# USB Over current Pair 0 /1 I-3.3 PU 10k 3.3V -
B45 USB1- USB Data- Port #1 DP-I/O PD 15k in US15W -
B46 USB1+ USB Data+ Port #1 DP-I/O PD 15k in US15W -
B47 EXCD1_PERST# PCIe Express Card 1 Reset O-3.3 - -
B48 EXCD1_CPPE# PCIe Express Card 1 Request I-3.3 PU 8k2 3.3V -
B49 SYS_RESET# Reset button input I-3.3 PU 5k-25k in CPLD -
B50 CB_RESET# Carrier Board Reset O-3.3 - CPLD I/O
B51 GND_21 Power Ground PWR - -
B52 PCIE_RX5+ Not Connected nc - not supported
B53 PCIE_RX5- Not Connected nc - not supported
B54 SDIO_CMD / GPO1 SDIO#0 Command / General Purpose Output 1 I/O-3.3 / O-3.3 PU 75k 3.3V / PD 100k - / CPLD I/O
B55 PCIE_RX4+ Not Connected nc - not supported
B56 PCIE_RX4- Not Connected nc - not supported
B57 SDIO_WP / GPO2 SDIO#0 Write Protection /General Purpose Output 2 I-3.3 / O-3.3 PU 100k 3.3V / PD 100k - / -
B58 PCIE_RX3+ Not Connected nc - not supported
B59 PCIE_RX3- Not Connected nc - not supported
B60 GND_22 Power Ground PWR - -
B61 PCIE_RX2+ Not Connected nc - not supported
B62 PCIE_RX2- Not Connected nc - not supported
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