Dell Precision T7400 User's Guide - Page 116

Code 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 4-4-3 4-4-4 Cause 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 Math-coprocessor test failure Cache test failure Error Messages Fill out the "Diagnostics Checklist" on page 286 as you complete these checks. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. If the message is not listed, see the documentation for the operating system or the program that was running when the message appeared. 116 Troubleshooting Tools