Editing Diagnostic Serial Console (section)

=== Systematic Diagnostic Procedures ===

Comprehensive hardware validation requires systematic testing approaches that isolate specific failure modes. Individual bank isolation testing involves removing all SIMMs from Bank B, booting with Bank A only using 4 matched SIMMs, running comprehensive memory test suites, and documenting failures with specific SIMM slot positions. Bank B testing requires moving known-good SIMMs to Bank B positions, using diagnostic software for Bank B specific testing, and cross-referencing failures with physical SIMM locations.

For suspected SIMM failures, systematic replacement involves testing each SIMM individually in a known-good slot position, swapping SIMMs between slots to determine if failures follow specific memory modules or remain at fixed memory addresses, and using multiple test patterns to verify intermittent failures. Socket and motherboard issues require testing with known-good SIMMs to isolate socket problems, visual inspection of SIMM socket contacts for corrosion or damage, and verification of power delivery to each socket position.