
Express-LPC User’s ManualPage 18
Row B
Signal Descriptions (cont’d)
Pin Signal Description Type PU/PD Comment
B1 GND Ground PWR - -
B2 GBE0_ACT# LAN_ACTLED# | Ethernet Activity LED O-3.3 - -
B3 LPC_FRAME# LPC_FRAME# | LPC Frame Indicator O-3.3 - -
B4 LPC_AD0 LPC_AD0 | LPC Adress & DATA Bus IO-3.3 - int. PU 20k in ICH8
B5 LPC_AD1 LPC_AD1 | LPC Adress & DATA Bus IO-3.3 - int. PU 20k in ICH8
B6 LPC_AD2 LPC_AD2 | LPC Adress & DATA Bus IO-3.3 - int. PU 20k in ICH8
B7 LPC_AD3 LPC_AD3 | LPC Adress & DATA Bus IO-3.3 - int. PU 20k in ICH8
B8 LPC_DRQ0# SIO_DRQ#0 | LPC Serial DMA Request 0 I-3.3 - int. PU 20k in ICH8
B9 LPC_DRQ1# SIO_DRQ#1 | LPC Serial DMA Request 1 I-3.3 - int. PU 20k in ICH8
B10 LPC_CLK CLK_SIOEXTPCI O-3.3 - -
B11 GND Ground I-3.3 - -
B12 PWRBTN# Power Button I-3.3 PU 10K 3.3Vsb -
B13 SMB_CK SMBUS Clock O-3.3 PU 2k2 3.3V -
B14 SMB_DAT SMBUS Data IO-3.3 PU 2k2 3.3V -
B15 SMB_ALERT# SMB_ALERT# I-3.3 PU 10k 3.3Vsb -
B16
SATA1_TX+
SATA1_TX+ | SATA 1 Transmit Data + O - DP - -
B17
SATA1_TX-
SATA1_TX- | SATA 1 Transmit Data - O - DP - -
B18
SUS
STAT#
PM_SUS_ STAT# O-3.3 - -
B19
SATA1_RX+
SATA1_RX+ | SATA 1 Receive Data + I - DP - -
B20
SATA1_RX-
SATA1_RX - | SATA 1 Receive Data - I - DP - -
B21
GND
Ground PWR - -
B22
SATA3_TX+
SATA3_TX+ | SATA 3 Transmit Data +
NC
- not supported
B23
SATA3
TX-
SATA3_TX- | SATA 3 Transmit Data -
NC
- not supported
B24
PWR_OK
Power OK I-3.3 - -
B25
SATA3_RX+
SATA3_RX+ | SATA 3 Receive Data +
NC
- not supported
B26
SATA3_RX-
SATA3_RX - | SATA 3 Receive Data -
NC
- not supported
B27
WDT
Watch Dog Timer O-3.3 - -
B28
AC_SDIN2
AC_SDATAIN2 I-3.3 - int. PD 20k in ICH8
B29
AC_SDIN1
AC_SDATAIN1 I-3.3 - int. PD 20k in ICH8
B30
AC_SDIN0
AC_SDATAIN0 I-3.3 - int. PD 20k in ICH8
B31
GND
Ground PWR -
B32
SPKR
AC_SPKR O-3.3 - int. PD 20k in ICH8
B33
I2C_CK
I2CLK O-3.3 PU 10k 3.3Vsb -
B34
I2C_DAT
I2DAT IO-3.3 PU 10k 3.3Vsb -
B35
THRM#
PM THRM# CON | Over Temperature I-3.3 - -
B36
USB7-
USB_PN7 | USB Data – Port7 I/O - DP - int. PD 15k in ICH8
B37
USB7+
USB_PP7 | USB Data + Port7 I/O - DP - int. PD 15k in ICH8
B38
USB_4_5_OC#
USB_OC#_4_5 | USB OverCurrent Port I-3.3 PU 10k 3.3Vsb
B39
USB5-
USB_PN5 | USB Data- Port5 I/O - DP - int. PD 15k in ICH8
B40
USB5+
USB_PP5 | USB Data+ Port5 I/O - DP - int. PD 15k in ICH8
B41
GND
Ground PWR - -
B42
USB3-
USB_PN3 | USB Data- Port3 I/O - DP - int. PD 15k in ICH8
B43
USB3+
USB_PP3 | USB Data+ Port3 I/O - DP - int. PD 15k in ICH8
B44
USB_0_1_OC#
USB_OC#_0_1 | USB OverCurrent Port I-3.3 PU 10k 3.3Vsb -
B45
USB1-
USB_PN1 | USB Data- Port1 I/O - DP - int. PD 15k in ICH8
B46
USB1+
USB_PP1 | USB Data+ Port1 I/O - DP - int. PD 15k in ICH8
B47
EXCD1_PERST#
Express Card Support [1]|card reset O-3.3 PU 10k 3.3Vsb -
B48
EXCD1_CPPE#
Express Card Support [1]| capable c. I-3.3 PU 10k 3.3V -
B49
SYS
RESET#
ETX_SYS_RESET# | Reset Input I-3.3 PU 10k 3.3V -
B50
CB_RESET#
PCI_RST# | PCI Bus Reset O-3.3 - -
B51
GND
Ground PWR - -
B52
PCIE5_RX+
PCI Express 5 Recieve + I - DP - -
B53
PCIE5_RX-
PCI Express 5 Receive - I - DP - -
B54
GPO1
General Purpose Output 1 O-3.3 PU 10k 3.3Vsb -
B55
PCIE4_RX+
PCI Express 4 Recieve + (extended only) I - DP - -
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