
28 Board Interfaces
Table 4-3: P3 Connector Signal Descriptions
Signal I/O Description
NA_REAR-RX[P/N]1 I Node A PCIe port1 receive LAN from backplane to PCH
NA_REAR-TX[P/N]1 O Node A PCIe port1 transmit LAN from PCH to backplane
NA_REAR-RX[P/N]2 I Node A PCIe port2 receive LAN from backplane to PCH
NA_REAR-TX[P/N]2 O Node A PCIe port2 transmit LAN from PCH to backplane
NA_REAR_GPIO[0:7] I/O Node A General Purpose IO, Channels 0-7
NA_USB3_RX_2[P/N] I Node A USB 3.0 port receive lane from backplane to PCH
NA_USB3_TX_2[P/N] O Node A USB 3.0 port transmit lane from PCH to backplane
NA_USB3_RX_5[P/N] I Node A USB 3.0 port receive lane from backplane to PCH
NA_USB3_TX_5[P/N] O Node A USB 3.0 port transmit lane from PCH to backplane
NA_RTM_BOOT# I Node A boot up from RTM BIOS when this pin pull low
NA_EXT_NODE_RST I Node A reset input
NA_SATA_RX[P/N]3 I Node A SATA 6Gb/s port receive lane from backplane to PCH
NA_SATA_TX[P/N]3 O Node A SATA 6Gb/s port transmit lane from PCH to backplane
NA_SPI_* I/O Node A SPI bus for RTM BIOS
NA_LPC_* I/O Node A LPC bus for RTM debug port
NA_MSCLK I/O Node A PS2 bus mouse signal clock
NA_MSDATA I/O Node A PS2 bus mouse signal data
NA_KBCLK I/O Node A PS2 bus keyboard signal clock
NA_KBDATA I/O Node A PS2 bus keyboard signal data
PROG_* I/O IPMC JTAG PORT
REAR_LANSW_UART_TX /
REAR_LANSW_UART_RX
I/O COM port for GLAN Switch hub software develop
P12V I +12V Power source
P5V I +5V Power source
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