New hard drive = no more overclock

Tullphan

Diamond Member
Jul 27, 2001
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I'm running 2 hard drives with 2 different OS's.
Previously my i7 920 was running fine @ 3.8ghz.
After reinstalling windows on a new hdd (went from a 640gb aaks to a 640gb aals), any setting in bios other than failsafe defaults results in a blue screen that flashes so fast I can't see the error code.
No other hardware was changed besides the hdd.
Ideas?
 

Hyperlite

Diamond Member
May 25, 2004
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did you change SATA headers? I'm going to assume the BSoD is on the drive that had windows installed already.
 

Rubycon

Madame President
Aug 10, 2005
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I had that happen before turns out I had AHCI enabled when the OS was previously installed with IDE configured.
 

Tullphan

Diamond Member
Jul 27, 2001
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I had that happen before turns out I had AHCI enabled when the OS was previously installed with IDE configured.

Perhaps that's what it is, then, as I have AHCI enabled for the other OS I boot to.
Should I do a fresh install of Windows with AHCI enabled?
 

Rubycon

Madame President
Aug 10, 2005
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What version of Windows?
You can do the F6 method with XP then repair the installation (after you load the AHCI driver). Or slipstream them if you don't have a floppy.

Re-installation is not required and can be a PITA if you have a lot of software to load, etc.
 

MadScientist

Platinum Member
Jul 15, 2001
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If you want to run in AHCI mode you have to re-install and load the drivers from your MB disk during your Win 7 installation.
 

zagood

Diamond Member
Mar 28, 2005
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Can't he just set the BIOS to IDE, load into the new OS, registry hack to AHCI, reboot and set BIOS back to AHCI?
 

Tullphan

Diamond Member
Jul 27, 2001
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What version of Windows?
Re-installation is not required and can be a PITA if you have a lot of software to load, etc.

7 Ultimate
I didn't have alot of software on there yet anyhow. Fresh install on a new WD 640 Black.
I did change the bios back to IDE & it booted fine...even using my overclocked settings.

does your drive have jumpers to set between SATA I and SATA II speeds?

It has the jumper pins, but no jumpers on them.

Good point. Here's how for Vista and Win 7:
http://support.microsoft.com/kb/922976

I'll give this a try!
 

Tullphan

Diamond Member
Jul 27, 2001
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so IDE + AHCI = Fail ?

If I set the bios to IDE mode & have my Windows drive as #1 in hdd priority it'll boot & run fine.
If I set the bios to AHCI mode & have my Windows drive as either #1 OR #2, it fails to boot.