User manual

Chapter 1 Product Introduction
- 4 - EC0-1815V2NAR
On-board I/O
 Six serial ports: COM1/COM2 supports RS-232/RS-485 mode selection while
COM3/COM4 supports Pin9 12V/5V/RI selection;
 Six SATA connectors (SATA1 and SATA2 support SATA3.0 standard) support
hot swap function (Please set the function in BIOS) and RAID0, 1, 5 and 10;
 Four USB2.0 ports; the rear panel provides four USB3.0 ports (complying with
USB2.0);
 One PS/2 keyboard/mouse connector;
 One TPM connector;
 One 16-channel digital I/O connector;
Tips: how to identify the alarms
1. Long “beep” indicates system memory error;
2. Short “beep” indicates to power on the computer.