User Guide

Table Of Contents
Chapter 4: Motherboard information
4-22
8. Q-Code LEDs (LED1)
TheQ-CodeLEDprovidesa2-digitdisplaythatshowsthestatusofyoursystem.Refer
to the Q-Code table of this user guide for more information about the 2-digit codes.
7. CATT LED (CATTERR1)
The CATT LED indicates that the system has experienced a fatal or catastrophic error
and cannot continue to operate.