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New to O/C :Pentium D 805 - Page 3

post #21 of 34
Quote:
Originally Posted by Kitkat1 View Post
all right, i baught and installed a new cmos battery ... but to no avail. i still get the blank black screen. i'm trying to find some local technician that's not on a 5 day waiting list.
That's strange. It will display CMOS checksum bad and allow you to go into the BIOS to program your settings?

Why do I want to say this may be a memory issue? Normally if the memory or DIMM slots have been damaged it just won't boot.

I'll check into this tomorrow morning and let you know what I find.
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post #22 of 34
3ghz?? thats all your shooting for... uhhh i overclocked my friends 802 to 4ghz EZ and my 2.8GHZ 478 cpu goes to 4.4 if i want to get stupidly fast(and hot its a prescott core) 3ghz will need no extra voltage but you will need a ram divider down one step wich translates to ddr 500 that once you overclock will run back at ~533mhz and if you want to go for 4ghz it needs to go down 2 steps that will be about ddr333 and you will need 1.52 volts

i hope this helps
post #23 of 34
Quote:
Originally Posted by Kitkat1 View Post
i just want to make 1 more thing clear, for safety reasons
i've had my computer turned off *at teh back* and unplugged for a few hours. and all of the external cords are unhooked. If i swtich the motherboard pins i wont get like.... electrocuted will i? * or do i have to unhook something inside the computer to make sure* sounds like a dumb question, but this is new to me.
(might be late to answer, but)

Even when it's on (not as in powered on, but power going to it), you can do it without problems.

Actually, if you want to save time, just do it with only the power cord out, for safety reasons.

And no, you're rarely going to get zapped by touching any thing in your computer while it's running.
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post #24 of 34
Thread Starter 
hmm, i believe i've found the problem. My friend braught over the \\"future shop" diagnostics CD and everything running on my computer was perfectly fine... except when we tried to test the ram. testing the ram lead to immediate black screen *exactly like the one i was getting trying to boot the system* im not exactly sure why my ram destroyed itself, but i'm guessing since i had the "dram timing set to auto, instead of lockign it @ 533" before i overclocked might have made the ram run faster than it was capable? I'm goign to test my computer with my friend's ram in it, to confirm if that's the problem.
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post #25 of 34
Quote:
Originally Posted by Perry View Post
Why do I want to say this may be a memory issue? Normally if the memory or DIMM slots have been damaged it just won't boot.
Woohoo! I do know what I'm talking about...kind of.

I know that if your memory timings are too tight the system won't boot but I've never experienced the CMOS Checksum Error/Bad message. I usually just get a black screen and have to clear the CMOS because it won't even post.

You must have had that processor screaming if you were running DDR533 running too fast with an 805.
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post #26 of 34
Thread Starter 
*just got back from computer dealer*
they tested my mobo, processor, ram, power supply, harddrive.... everything, and what was wrong? Nothing.
the black screen and cmos erro was due to windows
so.. i'm going into a fresh install right now *bunk* but just incase anyone else gets this same problem, try re installing windows.
*still not sure why the diagnostic ram test failed*
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post #27 of 34
PC suppliers will tell you any old story. Chances are you were right with the RAM, coz if your getting a black screen wthout windows booting, and windows isn't loading, it can't be windows. Unless of cource there is no windows installation or you have a SATA drive and upped the FSB without knowing what you were doing and corrupted your SATA disk.

Most important rule about overclocknig is CHANGE ONE THING AT A TIME. And also TAKE YOUR TIME. THeres no point rushing into it like OMG 1337 SPEEDS!!! Then having a box that blows a bit of air and beeps.

The way to do it is up the FSB a little, test, lil more, test, and when I say mean test I mean OCCT or Prime95. Then once its not stable, up the voltage till its stable, then same thing again, test, up fsb, test, and so on, untill youve maxed out your board or CPU. You can always run RAM with different DIVIDERS.

Get your research done next time or else you face more dead hardware or destroyed data.
    
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post #28 of 34
Thread Starter 
i actually do have a Sata-2 harddrive.
the thing i up'd was the Cpu overclock frequency from 133-150.
the man who sold me the computer said it was as easy as taht to overclock. so i guess i was kinda lied to :S <-- conclusion from results. I saw the technician testing it, he put in a different stick of ram and it still didnt' start up, i'm not sure what "sata" even is, maybe i should have familiarize myself first.
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post #29 of 34
Quote:
Originally Posted by alk View Post
Unless of cource there is no windows installation or you have a SATA drive and upped the FSB without knowing what you were doing and corrupted your SATA disk.
Can you go into a bit more detail about this? I haven't heard about it and would eventually like to grab a SATA drive.

As for SATA, Kitkat1, it's Serial ATA or a type of interface for hard drives and now even optical devices. It essentially provided ATA 150 for SATAI and ATA 300 for SATAII. The most you can get with regular ATA (now known as PATA - Parallel ATA) is 133.

I hope I didn't confuse you more.

SATA > PATA.
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post #30 of 34
Onboard your motherboard you have a SATA controller. This has a clockspeed, like everything else, determined from the FSB speed. If you up the FSB speed without locking the PCI bus, then the SATA controller can run to fast and write corrupted information to the disk when you try to load windows, which could corrupt your windows instalation. Its like your CPU having a rounding error in prime95 when you clock too high only on your SATA controller, if that makes sense?
    
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