Acer Veriton 5800 Veriton 5800/6800/7800 Service Guide (MSI MB) - Page 97

Serial Port Connector: COM 2 The mainboard provides one 9-pin header as serial port COM 2. The port is a 16550A high speed communication port that sends/receives 16 bytes FIFOs. You can attach a serial mouse or other serial devices directly to it. Serial ATA Connectors: SATA1~SATA4 The south bridge upports four serial ATA connectors SATA1~SATA4. SATA1~SATA4 are high-speed Serial ATA interface ports. Each supports serial ATA data rates of 300MB/s. Both connectors are fully compliant with Serial ATA 2.0 specifications. Each Serial ATA connector can connect to 1 hard disk device. 1 7 SATA4 SATA3 SATA2 SATA1 SATA1~ SATA4 Pin Definition PIN SIGNAL 1 GND 3 TXN 5 RXN 7 GND PIN SIGNAL 2 TXP 4 GND 6 RXP Serial ATA cable Take out the dust cover and connect to the hard disk d evi c es Connect to serial ATA ports NOTE: Please do not fold the serial ATA cable in a 90-degree angle, since this might cause the loss of data during the transmission. Chapter 5 95