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First Time Overclocker Question

post #1 of 10
Thread Starter 
Hi,

I just bought and assembeled my own computer for the first time. Im new at this and I have a question regarding the results I got when I tried to overclock my system.

Specs:

AMD Athlon 64 3200+ Venice

Asus A8V Pro

2x512mb RAM

Western Digital 200gig SATA2 HD

I assembeled this system in 2 stages, because the HD was shipped to the wrong place, and I only got it a week after the rest of the parts. I didnt want to wait, so I assembled with my old hard drive instead. (Samsung IDE, 8gig, 5300rpm)

I started playing around with the system BIOS and managed to get pretty stable operation with stock voltage (1.4v), at 2600mhz. Memory was running nicely at 220mhz, which was weird because im my BIOS the ratio was set to 1:1. It must have done that automatically. Anyway I was excited because that was way more than I expected.

So I was happy, until me new HD came in. Once I got everything running, I went to overclock it like I had before, and windows wouldnt boot. So, I reduced the CPU speed, and tried again...same thing...all the way down to 2200mhz. Finally it worked. I was discouraged...It seems like I cant boot with anything faster than that. (Even at 2200mhz, it crashes under heavy load...)

I tried everything to get it to run at 2600mhz again, but nothing works. Im new at this though, and I'm working off of very little information. This is the first time Ive ever overclocked anything, so any info will help.

My question is, how can my HD affect the maximum attainable CPU speed...and what (if anything) can I do about it? Are there settings Im missing?

I also have no idea how to configure my RAM. What voltage, and what ratio should I be using?

I want my 2600mhz back!!

Thanks in advance for any help you can offer...

Mike
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post #2 of 10
Quote:
Originally Posted by mike_rioux
Hi,

I just bought and assembeled my own computer for the first time. Im new at this and I have a question regarding the results I got when I tried to overclock my system.

Specs:

AMD Athlon 64 3200+ Venice

Asus A8V Pro

2x512mb RAM

Western Digital 200gig SATA2 HD

I assembeled this system in 2 stages, because the HD was shipped to the wrong place, and I only got it a week after the rest of the parts. I didnt want to wait, so I assembled with my old hard drive instead. (Samsung IDE, 8gig, 5300rpm)

I started playing around with the system BIOS and managed to get pretty stable operation with stock voltage (1.4v), at 2600mhz. Memory was running nicely at 220mhz, which was weird because im my BIOS the ratio was set to 1:1. It must have done that automatically. Anyway I was excited because that was way more than I expected.

So I was happy, until me new HD came in. Once I got everything running, I went to overclock it like I had before, and windows wouldnt boot. So, I reduced the CPU speed, and tried again...same thing...all the way down to 2200mhz. Finally it worked. I was discouraged...It seems like I cant boot with anything faster than that. (Even at 2200mhz, it crashes under heavy load...)

I tried everything to get it to run at 2600mhz again, but nothing works. Im new at this though, and I'm working off of very little information. This is the first time Ive ever overclocked anything, so any info will help.

My question is, how can my HD affect the maximum attainable CPU speed...and what (if anything) can I do about it? Are there settings Im missing?

I also have no idea how to configure my RAM. What voltage, and what ratio should I be using?

I want my 2600mhz back!!

Thanks in advance for any help you can offer...

Mike
Well for starters, please fill out your computer profile under USER CP at the very top of your screen. Second of all, it's very rare when a hard drive is a limiting factor of an OC. Its typically other surrounding factors. It could be that the OC that you tried to run when you installed the HD was very unstable and caused windows system corruptions. Once that happens, you can try every setting in the world, but your going to get negative results. As a starting point, I would do a clean install of windows, at stock settings in bios. I would get all of my updates for drivers and windows, and give it a go again. As far as bios settings, I wont be able to answer that until I get the rest of your system specs.
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post #3 of 10
I agree sometimes you just gotta start from scratch. It blows but usually works.
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post #4 of 10
Thread Starter 
Ok, so I reinstalled windows and got all the updates from MS. I just tried to boot at 2.4ghz, and windows didnt initialize. Im still lost on this one. I think it may be because they ram is operating too quickly...I will try a 4/3 ratio and see what happens.

Also, I dl'd that calculator for n00bs and I saw that I should be able to boot in theory at 2.6ghz. The calculator shows it in red with the HTT multiplier at 5, but when i change it to 4, it seems to be managable. Now, mabye im retarded, but I cant find anything in my BIOS that refers to HTT mulitplier. The closest thing is the HyperTransport menu, and the options are prepesented in mhz. So I dont know what im looking for really.

Ill try it again, and see what happens...


Mike
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post #5 of 10
Quote:
Originally Posted by mike_rioux
Ok, so I reinstalled windows and got all the updates from MS. I just tried to boot at 2.4ghz, and windows didnt initialize. Im still lost on this one. I think it may be because they ram is operating too quickly...I will try a 4/3 ratio and see what happens.

Also, I dl'd that calculator for n00bs and I saw that I should be able to boot in theory at 2.6ghz. The calculator shows it in red with the HTT multiplier at 5, but when i change it to 4, it seems to be managable. Now, mabye im retarded, but I cant find anything in my BIOS that refers to HTT mulitplier. The closest thing is the HyperTransport menu, and the options are prepesented in mhz. So I dont know what im looking for really.

Ill try it again, and see what happens...

Mike
Make sure you hypertransport multiplier is set at 4 X not 5 X. Also, download this program and tell me what your ram frequency is at and your timings:

http://www.cpuid.com/cpuz.php

Post the info here, and well see if your ram is running to fast for your OC.
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post #6 of 10
Thread Starter 
I dont know how to set my hypertransport multiplier. In my bios, the hypertransport menu gives frequency measurments only. It offers the options to set it at 1000mhz, 800mhz, 400mhz, and 200mhz. Is this what you are referring to?

Also, Cpu-z says my RAM is operating at 200mhz.

The first time I got the cpu up to 2600mhz without any problems, the RAM was running at 220mhz. I didnt set any divider, so im not sure why or how...it seems to me that it should have been higher.

In any event, I can't boot with anything over 2200mhz now. it gets to the point where the HD should boot, and it says: "Insert bootable media and restart"

Is it reasonable to want to be running at 2.6ghz? Was it a fluke that it worked the first few times?

Thank you guys so much for everything.
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post #7 of 10
Thread Starter 
I forgot to tell you the timings...

Cpu-z says this:

CAS# Latency 3.0 Clocks
RAS# to CAS# Delay 3 Clocks
RAS# Precharge 3 clocks
Cycle Time (Tras) 8 Clocks
Bank Cycle Time (Trc) 11 clocks
DRAM Idle Timer 16 clocks
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post #8 of 10
Quote:
Originally Posted by mike_rioux
I dont know how to set my hypertransport multiplier. In my bios, the hypertransport menu gives frequency measurments only. It offers the options to set it at 1000mhz, 800mhz, 400mhz, and 200mhz. Is this what you are referring to?

Also, Cpu-z says my RAM is operating at 200mhz.

The first time I got the cpu up to 2600mhz without any problems, the RAM was running at 220mhz. I didnt set any divider, so im not sure why or how...it seems to me that it should have been higher.

In any event, I can't boot with anything over 2200mhz now. it gets to the point where the HD should boot, and it says: "Insert bootable media and restart"

Is it reasonable to want to be running at 2.6ghz? Was it a fluke that it worked the first few times?

Thank you guys so much for everything.
Ah the picture is becoming clearer now. You have two things that are limiting your over clock. The first is the fact that you are using stock cooling. That AMD fan is great for stock processors and is considered among the best. When it comes to adding more juice to your processor, temps begin to become an issue with that fan set up. Second of all, the data corruption you are expirencing is due to a couple of reasons. First off your motherboard uses the k8t800 chipset. Coming from my own personal expirence, that chipset does not like more than 218 FSB. When you begin to exceed that, your PCI bus frequency goes out of range and can cause data corruption as well as other issues. Your AGP frequency also goes out of its regular range. The final issue I see is your memory. Runnign 3-3-3-8 timings @ DDR 400 speeds is what you will typically find from average, run of the mill memory at retail locations. If you want to overclock your memory at all your going to need to make a switch to something better. But your memory believe it or not is not your limiting factor, its your motherboard.
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post #9 of 10
Did you ADD the new HD or Replace the HD?
What I'm saying is this... an additional HD may have put your "Generic" PS over the edge and it may not be providing enough stable power.
    
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post #10 of 10
Thread Starter 
I replaced it. Im only using 1 HD. I dont understand why it worked before with no problems at all. Is it possible that this new SATA2 HD uses more energy than my other one did, and now the PS does not have enough power to OC reliably?

It's a 420w PS.

Im tempted to plug my old HD in again to see if it works at 2.6Ghz like it did before. If it does, should I get a new power supply, in hopes that it will OC properly?

Thank you for all your help. Im understanding much more now.
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