COMe-cDC2 / Connectors
6.2.3 Connector X1A Row B
Pin  Signal  Description  Type  Termination  Comment 
B1  GND  Power Ground  PWR  -  - 
B2  GBE0_ACT  GBE0_ACT# ; Ethernet Activity LED  OD  -  - 
B3  LPC_FRAME#  LPC_FRAME# ; LPC Frame Indicator  I-3,3  -  - 
B4  LPC_AD0  LPC_AD0 ; LPC Adress & DATA Bus  I/O-3,3  PU 20k in ICH7  - 
B5  LPC_AD1  LPC_AD1 ; LPC Adress & DATA Bus  I/O-3,3  PU 20k in ICH7  - 
B6  LPC_AD2  LPC_AD2 ; LPC Adress & DATA Bus  I/O-3,3  PU 20k in ICH7  - 
B7  LPC_AD3  LPC_AD3 ; LPC Adress & DATA Bus  I/O-3,3  PU 20k in ICH7  - 
B8  LPC_DRQ0#  LPC_DRQ#0 ; LPC Request 0  I-3,3  PU 20k in ICH7  - 
B9  LPC_DRQ1#  LPC_DRQ#1 ; LPC Request 1  I-3,3  PU 20k in ICH7  - 
B10  LPC_CLK  CLK_LPC_33M_EXT ; 33MHz LPC clock  O-3,3  -  - 
B11  GND  Power Ground  PWR  -  - 
B12  PWRBTN#  EXT_PWRBTN# ; Power Button  I-3,3  PU 10k 3,3V (S5)  - 
B13  SMB_CK  SMB_CLK_EXT ; SMBUS Clock  O-3,3  PU 2k2 3,3V (S5)  - 
B14  SMB_DAT  SMB_DATA_EXT ; SMBUS Data  IO-3,3  PU 2k2 3,3V (S5)  - 
B15  SMB_ALERT#  SMB_ALERT# ; SMBUS Interrupt  IO-3,3  PU 1k0 3,3V (S5)  - 
B16  SATA1_TX+  SATA_TX1_P ; SATA 1 Transmit Data +  DP-O  -  - 
B17  SATA1_TX-  SATA_TX1_N ; SATA 1 Transmit Data -  DP-O  -  - 
B18  SUS_STAT#  PM_SUS_ STAT#  O-3,3  -  - 
B19  SATA1_RX+  SATA_RX1_P ; SATA 1 Receive Data +  DP-I  -  - 
B20  SATA1_RX-  SATA_RX1_N ; SATA 1 Receive Data -  DP-I  -  - 
B21  GND  Power Ground  PWR  -  - 
B22  SATA3_TX+  nc  nc  -  - 
B23  SATA3_TX-  nc  nc  -  - 
B24  PWR_OK  EXT_PWR_OK ; Power OK  I-3,3  -  - 
B25  SATA3_RX+  nc  nc  -  - 
B26  SATA3_RX-  nc  nc  -  - 
B27  WDT  WDT ; Watch Dog Timer  O-3,3  -  - 
B28  AC_SDIN2  HDA_SDIN2_ICH ; HD Audio Serial Input Data 2  I-3,3  PD 20k in ICH7  - 
B29  AC_SDIN1  HDA_SDIN1_ICH ; HD Audio Serial Input Data 1  I-3,3  PD 20k in ICH7  - 
B30  AC_SDIN0  HDA_SDIN0_ICH ; HD Audio Serial Input Data 0  I-3,3  PD 20k in ICH7  - 
B31  GND  Power Ground  PWR  -  - 
B32  SPKR  HDA_SPKR ; Speaker  O-3,3  PD 20k in ICH7  - 
B33  I2C_CK  I2C_CLK_EXT ; I2C clock  O-3,3  PU 2k21 3,3V (S0)  - 
B34  I2C_DAT  I2C_DATA_EXT ; I2C data  I/O-3,3  PU 2k21 3,3V (S0)  - 
B35  THRM#  PM_THRM# ; Over Temperature  O-3,3  -  - 
B36  USB7-  USB7_N ; USB Data – Por t7  DP-I/O  PD 15k in ICH7  - 
B37  USB7+  USB7_P ; USB Data + Port7  DP-I/O  PD 15k in ICH7  - 
B38  USB_4_5_OC#  USB_45_OC# ; USB OverCurrent Port 4/5  I-3,3  PU 10k 3,3V (S5)  - 
B39  USB5-  USB5_N ; USB Data – Por t5  DP-I/O  PD 15k in ICH7  - 
B40  USB5+  USB5_P ; USB Data + Port5  DP-I/O  PD 15k in ICH7  - 
B41  GND  Power Ground  PWR  -  - 
B42  USB3-  USB3_N ; USB Data – Por t3  DP-I/O  PD 15k in ICH7  - 
B43  USB3+  USB3_P ; USB Data + Port3  DP-I/O  PD 15k in ICH7  - 
B44  USB_0_1_OC#  USB_01_OC# ; USB OverCurrent Port 0/1  I-3,3  PU 10k 3,3V (S5)  - 
B45  USB1-  USB1_N ; USB Data – Por t1  DP-I/O  PD 15k in ICH7  - 
B46  USB1+  USB1_P ; USB Data + Port1  DP-I/O  PD 15k in ICH7  - 
B47  EXCD1_PERST#  EXCD1_PERST# ; Express card reset  O-3,3  -  - 
B48  EXCD1_CPPE#  EXCD1_CPPE# ; capable c. request  I-3,3  PU 8k25 3,3V (S0)  - 
B49  SYS_RESET#  EXT_SYS_RESET# ; Reset Input  I-3,3  PU 10k 3,3V (S5)  - 
B50  CB_RESET#  CB_RESET# ; Carrier board Reset  O-3,3  -  - 
B51  GND  Power Ground  PWR  -  - 
B52  PCIE_RX5+  nc  Nc  -  - 
B53  PCIE_RX5-  nc  Nc  -  - 
B54  GPO1  EXT_GPO1 ; General Purpose Output 1  O-3,3  -  - 
B55  PCIE_RX4+  nc  nc  -  - 
B56  PCIE_RX4-  nc  nc  -  - 
B57  GPO2  EXT_GPO2 ; General Purpose Output 2  O-3,3  -  - 
B58  PCIE_RX3+  PCI Express lane 3 + Recieve  DP-I  -  only available if no LAN 
B59  PCIE_RX3-  PCI Express lane 3 - Recieve  DP-I  -  only available if no LAN 
B60  GND  Power Ground  PWR  -  - 
B61  PCIE_RX2+  PCI Express lane 2 + Recieve  DP-I  -  - 
B62  PCIE_RX2-  PCI Express lane 2 - Recieve  DP-I  -  - 
B63  GPO3  EXT_GPO3 ; General Purpose Output 3  O-3,3  -  - 
B64  PCIE_RX1+  PCI Express lane 1 + Recieve  DP-I  -  - 
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