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delemon

BIOS code 88 (or 8.8. as it looks), failure to POST

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I was recently running through some overclocking sessions to slowly work my way towards 4GHz on my Q6700 and I've apparently got myself into some weird BIOS issue. I was happily priming and checking SPi at 333x10, 333/800 RAM, all other settings to auto (timings and voltages) with the exception of NB voltage, being bumped up to 1.4(something), two notches up from default.

 

When I decided to kick my FSB up to 340, after I rebooted I got error code 88. I was able to clear the error by using the clear CMOS jumper and then removing the mobo battery, this will allow me to boot and gives me a CMOS checksum error (or something, mentions bad OC as well) so I can either F1 to continue or DEL to enter BIOS. Regardless of which option I choose, when I reboot the next time (either from saving new BIOS settings or from the Windows desktop) I once again get the BIOS code 88, and I have to re-clear the CMOS to do anything.

 

I've tried using Winflash to update to the LP35DB07(11/07) BIOS, as well as, Tony's BTP35B07(modded 11/07), and LP35DC05 (12/05 beta). All of them show the same behavior. Should I try awdflash? I think I may have a FDD lying around which I could use if anyone thinks it will help, or I could always use Tmod/Logan's CD.

 

Currently my system has power removed, clear CMOS jumper set to 2-3, and the mobo battery removed. By the time I get home from work it'll have been out just over 12 hours.

 

Any suggestions? Please don't hesitate to ask if you think I may have left out some pertinent information.

 

Thanks!

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Update: Swapped my RAM modules from the green slots to the yellow, 88 code went away. Running SPi at 340x10. Btw, has anyone else noticed a really high pitched squealing noise coming when under full load?

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