Dell Precision R5400 Setup and Quick Reference Guide  - Page 31

Code 1-2-1 1-2-2 1-2-3 1-3 1-3-1 through 2-4-4 1-3-2 3-1-1 3-1-2 3-1-3 3-1-4 3-2-2 3-2-4 3-3-1 3-3-2 3-3-4 3-4-1 3-4-2 3-4-3 4-2-1 4-2-2 4-2-3 4-2-4 4-3-1 4-3-3 4-3-4 4-4-1 4-4-2 Cause Programmable interval timer failure DMA initialization failure DMA page register read/write failure Video Memory Test failure Memory not being properly identified or used Memory problem Slave DMA register failure Master DMA register failure Master interrupt mask register failure Slave interrupt mask register failure Interrupt vector loading failure Keyboard Controller Test failure NVRAM power loss Invalid NVRAM configuration Video Memory Test failure Screen initialization failure Screen retrace failure Search for video ROM failure No timer tick Shutdown failure Gate A20 failure Unexpected interrupt in protected mode Memory failure above address 0FFFFh Timer-chip counter 2 failure Time-of-day clock stopped Serial or parallel port test failure Failure to decompress code to shadowed memory Troubleshooting 31