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ML310 User Guide www.xilinx.com 43
UG068 (v1.01) August 25, 2004 1-800-255-7778
Board Hardware
R
Table 2-14 shows the RS-232 signals connected to the two DB9 connectors, P1 A/B.
USB, connector assembly J3
The M1535D+ USB is an implementation of the Universal Serial Bus (USB) 1.0a
specification that contains two (2) PCI Host Controllers and an integrated Root Hub. The
two USB connectors, A/B, are part of the J3 connector assembly and are USB Type-A plugs.
Please review the ALi M1535D+ Data sheets for more detailed information.
Table 2-15 shows the ALi USB connections to the two USB Type-A plugs, J3 A/B.
Table 2-14: ALi South Bridge DB9 Serial Port pinouts, P1 (DB9-A/B)
Signal Name
P1 (DB9-A/B)
Pin No.
Description
DCD 1 Data Carrier Detect
RD 2 Receive Data (a.k.a RxD, Rx)
TD 3 Transmit Data (a.k.a TxD, Tx)
DTR 4 Data Terminal Ready
SGND 5 Ground
DSR 6 Data Set Ready
RTS 7 Request To Send
CTS 8 Clear To Send
RI 9 Ring Indicator
Table 2-15: ALi South Bridge USB Type-A connector, J3 A/B
Signal Name
J3 (A/B)
Pin No.
Description
USB_VCC 1 USB Power, 5.0V, MOSFET Isolated
USB_DN 2 USB Data -
USB_DP 3 USB Data +
GND 4 Ground