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6600 OC Problem - Detecting HDDS

post #1 of 8
Thread Starter 
Hello! This is my first post on overclock.net, hope to get along with everyone.

Anyway, I've been overclocking my Core 2 Duo 6600 to ok results:

FSB: 315
vCore: 1.275v
vFSB: 1.3v
vMCH: 1.55v
vDIMM: 2.0v

Memory 1:1 at 4-4-4-12

However, I have encountered an odd error. When I increase the FSB to 320, the motherboard fails to detect my HDDs (Both SATA).

Now, I believe the error is not in the CPU as I can OC up to 370 FSB with stock voltage (haven't tried further yet) and still post. However, after 320 FSB it just doesn't detect the hard drives.

I think the error is in the motherboard or a setting somewhere, but after brief researching I haven't been able to find anyone else with this problem. I heard someone say that if you set the PCI Bus frequency to lock at 33.33~ Mhz that might help trouble with SATA ports, but my DS3 does not appear to have that option.

Has anyone heard of this problem before? I'm really stumped as to what is causing it and I'm sure my CPU can go much further.
Core i7
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Core i7
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post #2 of 8
yes, locking teh PCI and PCI-express does keep most data corruption from happening, but i don't think it will help with your HDDs not being detected.

however, SATA drives always being listed as removable devices may have something to do with it. not sure, i'm not the HDD man.

and just wondering, why did you get the 965G chipset when you have a good graphics card? it doesn't OC as well as the 965P.
Immortal
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Immortal
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E6600 44G 3.240GHz Asus P5B-deluxe eVGA 8800GT (650/950) 2GB PQIturbomem 667(800mhzballistix soon) 
Hard DriveOptical DriveOSMonitor
1x 400GB Seagate 7200rpm/16mb cache Some super combo drive Windows XP Home/Ubuntu NEC MultiSync LCD1970GX 
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Logitech cordless 610w PCP&C silencer TTArmor w/side fan G7 
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post #3 of 8
Thread Starter 
Quote:
and just wondering, why did you get the 965G chipset when you have a good graphics card? it doesn't OC as well as the 965P.
I didn't know that at the time. =/ I figured having a backup video driver couldn't hurt.
Core i7
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Core i7
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post #4 of 8
Thread Starter 
Ok, so it seems the problem was a combination of not enough voltage and not using the Gigabyte RAID SATA ports. After doing that, I've been able to overclock further. Right now I'm stopped at 330x9 with 1.325v as my load temps are 59 with 1 core running Prime95 and ~60-62 with both running. I plan to purchase some Arctic 5 Silver and an aftermarket fan so I can push it a bit further. Right now I'm looking at the Arctic Cooling Freezer 7 Pro and the Tuniq Tower 120. Any suggestions? Also the TT looks pretty heavy, would I have to unmount it every time I move my PC a significant distance or would it not strain the mobo?
Core i7
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Core i7
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post #5 of 8
mounted properly, you won't have to worry about the TT120 stressing the Mobo too much. but avoid harsh bumps (such as car rides). It's pretty much the best cooler out there.
Immortal
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E6600 44G 3.240GHz Asus P5B-deluxe eVGA 8800GT (650/950) 2GB PQIturbomem 667(800mhzballistix soon) 
Hard DriveOptical DriveOSMonitor
1x 400GB Seagate 7200rpm/16mb cache Some super combo drive Windows XP Home/Ubuntu NEC MultiSync LCD1970GX 
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Logitech cordless 610w PCP&C silencer TTArmor w/side fan G7 
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Immortal
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CPUMotherboardGraphicsRAM
E6600 44G 3.240GHz Asus P5B-deluxe eVGA 8800GT (650/950) 2GB PQIturbomem 667(800mhzballistix soon) 
Hard DriveOptical DriveOSMonitor
1x 400GB Seagate 7200rpm/16mb cache Some super combo drive Windows XP Home/Ubuntu NEC MultiSync LCD1970GX 
KeyboardPowerCaseMouse
Logitech cordless 610w PCP&C silencer TTArmor w/side fan G7 
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post #6 of 8
yep not enough volts. a 6600 has 1.35 stock. if u put it at 1.35 i but u can ovaclock higher!!
post #7 of 8
Tuniq Tower 120 is the heatsink i wanted but was sold out! get that one or get the big typhoon vx!!
post #8 of 8
Thread Starter 
Yeah, Tuniq Tower I think is the one I'll try and get, I'll put it on Auto-Notify at newegg and see if it turns up by Christmas.

Also, 1.325v is stock voltage and yes, I was able to clock it higher with more volts but the temperature was also higher, and I'm as high as I can comfortably go right now at 1.325v.
Core i7
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CPUMotherboardGraphicsRAM
Core i7 920 @ 3.8 Ghz Asus P6T Deluxe GeForce GTX 480 G.Skill 6x2GB DDR3 1600 
Hard DriveOSMonitorPower
4x WD 500 AAKS RAID 0 Windows 7 x64 Dell 2407WFP Antec TPQ 850 
Case
Lian Li A70B 
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Core i7
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 920 @ 3.8 Ghz Asus P6T Deluxe GeForce GTX 480 G.Skill 6x2GB DDR3 1600 
Hard DriveOSMonitorPower
4x WD 500 AAKS RAID 0 Windows 7 x64 Dell 2407WFP Antec TPQ 850 
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Lian Li A70B 
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