Owner`s manual

LED blinks two times followed by a pause, blinks two times, pause, etc. This pattern continues until the system is

powered off.

Code Cause and Troubleshooting Steps

1 System board: BIOS ROM failure

System board failure, covers BIOS corruption or ROM error

2 Memory

No memory/RAM detected

3 Chipset Error (North and South Bridge Chipset, DMA/IMR/ Timer Error) , Time-Of-Day Clock test

failure , Gate A20 failure , Super I/O chip failure , Keyboard controller test failure

System board failure

4 RAM Read/Write failure

Memory failure

5 Real-time clock power fail

CMOS battery failure

6 Video BIOS test failure

Video card failure

7 CPU - cache test failure

Processor failure

8 Display

Display failure