User manual

Chapter 1 Product Introduction
- 4 - EC7-1817LNAR
Expansion Bus
 One PCIe x4 slot;
 One Mini PCIe slot, complying with PCIE 2.0 specification.
Watchdog Function
 255 levels, programmable by minute or second;
 Watchdog timeout interrupt or reset system.
Operating System
 Supported OSs: Windows XP, Windows 7 and Linux;
On-board I/O
 Two serial ports, supporting RS-232 mode;
 Four SATA connectors, supporting hot-swap function under RAID or AHCI
mode;
Note: When a large capacity HDD (e.g. 3TB) is used, users need to set time (e.g. 5
seconds) in HDD Latency Time under the Advanced menu in BIOS Setting, so that
HDD detection will not take too long.
 Twelve USB2.0 ports;
 One 8-channel digital I/O connector.
Notice for RAID Installation:
The default operating mode saved in BIOS for SATA is AHCI. Under AHCI mode, if
an operating system without AHCI driver is getting installed (such as WINDOWS
XP), USB floppy driver is required to load and install the AHCI driver before
installing the operating system.
Tips: how to identify the alarms
1. One short beep indicates that a system memory error occurs.;
2. Short beep indicates to power on the computer.