Dell Latitude 3540 Owners Manual - Page 49

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

Page 49 highlights

LED blinks two times followed by a pause, blinks two times, pause, etc. This pattern continues until the system is powered off. Code 1 Cause and Troubleshooting Steps 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 49

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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
49