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<blockquote data-quote="Crisis" data-source="post: 137146" data-attributes="member: 7905">This is from DFI&#039;s website, FAW section for your mobo:&nbsp;Doc. No. : 30002049 Q: How to apply preliminary trouble shooting before submitting motherboard for RMA service?&nbsp; &nbsp;&nbsp; 2004/09/16Answer :&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Following symptoms might be nailed down by &quot;Clear CMOS&quot;.&nbsp; &nbsp; 1.&nbsp; Post Card or debug card stops at error code of &quot;C3&quot; upon initializing the clock frequency.&nbsp; &nbsp; 2.&nbsp; FSB has been overclocked too far beyond the overclockability of CPU.&nbsp; &nbsp; 3.&nbsp; There&#039;s no display after flashing or upgrading BIOS.&nbsp; &nbsp; 4.&nbsp; There&#039;s inadequate setting or overclocking beyond the overclockability of memory CL (CAS Latency).Following symptoms might be nailed down by replacing BIOS ROM or reprogram the BIOS ROM with programming machine.&nbsp; &nbsp; 1.&nbsp; Post Card or debug card stops after detecting &quot;05 0D 41&quot;. The error occurred when retrieving BIOS data. Under this circumstance, 4 diagnostic LEDs&nbsp; light up with no further changes.&nbsp; &nbsp; 2.&nbsp; BIOS might be crashed upon being overclocked too far while &quot;Clear CMOS&quot; still can not nail down the issue.&nbsp; &nbsp; 3.&nbsp; There was sudden power-off during flashing BIOS.&nbsp; &nbsp; 4.&nbsp; BIOS might be crashed when system power was shut off before the system boots up successfully. This symptom mostly takes place on NFII based boards after changing FSB setting in CMOS.Following symptoms might be nailed down by checking connection of graphics card.&nbsp; &nbsp; 1.&nbsp; One long and two short beeps of warning.&nbsp; &nbsp; 2.&nbsp; Debug Card or Post Card stops upon posting &quot;25&quot; or &quot;2b&quot; upon checking graphics card. Following symptoms might be nailed down by checking connection of memory module.&nbsp; &nbsp; 1.&nbsp; One constantly long beep of warning.&nbsp; &nbsp; 2.&nbsp; Debug Card or Post Card stops upon posting &quot;C1&quot; or &quot;C6&quot; upon testing memory.When there&#039;s warning sound like ambulance siren, please check following issues.&nbsp; &nbsp; 1.&nbsp; Whether there&#039;s loose or poor contact at ATX 20-Pin or 24-pin power connector.&nbsp; &nbsp; 2.&nbsp; Whether there&#039;s loose or poor contact at 4-Pin ATX+12V power connector. For senior models, this power connector had not been built on board.&nbsp; &nbsp; 3.&nbsp; &quot;CPU FAN Protection&quot; feature has been enabled while the fan does not rotate.&nbsp; &nbsp; 4.&nbsp; CPU fan has not been connected to CPU FAN header set or has been connected to incorrect header set.&nbsp; &nbsp; 5.&nbsp; User uses the CPU that this motherboard does not support.&nbsp; &nbsp; 6.&nbsp; Forget to apply thermal paste or there&#039;s visible gap between top surface of CPU die and bottom surface of heatsink.If the system still can not boot up after checking the above items, please check with retailers or distributors for arranging RMA service.</blockquote>

[QUOTE="Crisis, post: 137146, member: 7905"] This is from DFI's website, FAW section for your mobo: Doc. No. : 30002049 Q: How to apply preliminary trouble shooting before submitting motherboard for RMA service? 2004/09/16 Answer : Following symptoms might be nailed down by "Clear CMOS". 1. Post Card or debug card stops at error code of "C3" upon initializing the clock frequency. 2. FSB has been overclocked too far beyond the overclockability of CPU. 3. There's no display after flashing or upgrading BIOS. 4. There's inadequate setting or overclocking beyond the overclockability of memory CL (CAS Latency). Following symptoms might be nailed down by replacing BIOS ROM or reprogram the BIOS ROM with programming machine. 1. Post Card or debug card stops after detecting "05 0D 41". The error occurred when retrieving BIOS data. Under this circumstance, 4 diagnostic LEDs light up with no further changes. 2. BIOS might be crashed upon being overclocked too far while "Clear CMOS" still can not nail down the issue. 3. There was sudden power-off during flashing BIOS. 4. BIOS might be crashed when system power was shut off before the system boots up successfully. This symptom mostly takes place on NFII based boards after changing FSB setting in CMOS. Following symptoms might be nailed down by checking connection of graphics card. 1. One long and two short beeps of warning. 2. Debug Card or Post Card stops upon posting "25" or "2b" upon checking graphics card. Following symptoms might be nailed down by checking connection of memory module. 1. One constantly long beep of warning. 2. Debug Card or Post Card stops upon posting "C1" or "C6" upon testing memory. When there's warning sound like ambulance siren, please check following issues. 1. Whether there's loose or poor contact at ATX 20-Pin or 24-pin power connector. 2. Whether there's loose or poor contact at 4-Pin ATX+12V power connector. For senior models, this power connector had not been built on board. 3. "CPU FAN Protection" feature has been enabled while the fan does not rotate. 4. CPU fan has not been connected to CPU FAN header set or has been connected to incorrect header set. 5. User uses the CPU that this motherboard does not support. 6. Forget to apply thermal paste or there's visible gap between top surface of CPU die and bottom surface of heatsink. If the system still can not boot up after checking the above items, please check with retailers or distributors for arranging RMA service. [/QUOTE]

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