Foxconn H77M-S User manual - Page 24

and S5 sleeping states. COM Connector : COM1/2 This motherboard supports one serial RS232 COM port for legacy compatibility. User must purchase another RS232 cable with a 9-pin D-sub connector at one end to connect with the external RS232 device and another end with 10-pin female connector to connect with COM1 connector in the motherboard. LPT Connector (optional) : LPT The connector supports parallel port which can be connected to a printer or a scanner. System usually assign IRQ7 as it's default interrupt request and the parallel port has three operation mode: [SPP], [EPP], [ECP]. Strobe Data it [0] Data it [1] Data it [2] Data it [3] Data it [4] Data it [5] Data it [6] Data it [7] ACK Busy Paper End Select 12 25 26 LPT Auto Feed Error INIT SLCT IN Ground Ground Ground Ground Ground Ground Ground Ground Empty Chassis Intruder Alarm Connector : INTR The connector can be connected to a security switch on the chassis. The system can detect the chassis intrusion through the function of this connector. If eventually the chassis is closed, the system will send a message out. Serial ATA Connectors : SATA_1/2/3/4/5/6 The Serial ATA connector is used to connect with SATA Hard Disk or CD devices which support this feature. The SATA_3/4/5/6 allows up to 300MB/s data transfer rate, the SATA_1/2 support SATA 3.0 specification, and allows up to 600MB/s data transfer rate. 17 17 12 RLSD SIN SOUT DTR GND DSR RTS CTS RI EMPTY 9 10 COM1/2 1 INTRUDERJ GND INTR 1 GND TX+ TX- GND RXRX+ GND 1 GND TX+ TX- GND RXRX+ GND SATA_1/2 SATA_3/4/5/6 2