Haven't been able to overclock E4500 at all

[Fardor]

Followed stickied OC guide but having problems. Default settings are Bus Speed: 204.0 MHz x 11 multiplier. I set it to 206 without changing anything else which seemed to work but anything higher that I've tried the system will turn on but nothing on the monitor. For example 400 MHz x 6 failed, and I did change the RAM ratio to 1:1 for DDR2 800.

Disabled the stuff that the guide tells you to disable, set the first four RAM timings to 5-5-5-18. Maybe I'm supposed to set the other ones too? I just installed a Freezer 7 Pro earlier today and CoreTemp is reading 31/32' C right now so I don't think heat is the problem. Could it be the PSU? It's a 500W Dynex that came with my Dynex case (from BestBuy). I don't know much about this stuff but somehow I doubt you need a lot more power for say a .2GHz overclock (system is completely stable w/ no overclock).

another reason I can think might be it is that the CPU was damaged. the stock cooler was hard to get off and was probably pushed kinda hard into the CPU a few times. but since I've never had any problems at stock I doubt this is it.

 

[Fardor]

oops meant to edit not quote

 

[Drsignguy]

What motherboard you using? Also whats your CPU Vid. I think that E4500 is a 2.2 and the default settings would be 11x200=2200. And it better be stable @ default settings or you will be running into issues.

 

[Fardor]

IP35-E. I think your right about the default speed but when I set it to default in BIOS it makes it 204. The CPU Vid is something I didn't know about. How much higher should it be than the vcore?

I couldn't find "CPU Vid" in bios but I tried 400 x 6 again. It didn't work but then I shut off PC power and then switched it back on, then pressed power button to turn on, and I loaded Windows, but CPUz said it's 200 MHz instead of 400 and RAM is running at 200 as well (ratio set to 1:1)

 

[imported_Scoop]

So you manually dropped the multiplier in the BIOS to 6x from the default 11x? If you didn't, you're trying to boot with 11x400. I myself had no trouble with this combo just increasing the FSB in small steps and bumping voltage as the system would become unstable/wouldn't POST. I'm running 11x300 now.

 

[BolleY2K]

When overclocking my E4300 my Mobo had a great FSB-hole ranging from 265 to 330 Mhz. Anything above 265 wouldn´t work but going straight to 335 runs rockstable with stock voltages.

So try 250, 300 or 335 for example - could also be a FSB-hole for you, even if one at such a low increment is pretty strange.

 

[Drsignguy]

Originally posted by: Fardor
IP35-E. I think your right about the default speed but when I set it to default in BIOS it makes it 204. The CPU Vid is something I didn't know about. How much higher should it be than the vcore?

I couldn't find "CPU Vid" in bios but I tried 400 x 6 again. It didn't work but then I shut off PC power and then switched it back on, then pressed power button to turn on, and I loaded Windows, but CPUz said it's 200 MHz instead of 400 and RAM is running at 200 as well (ratio set to 1:1)

Ok, well lets start with your cpu "vid". It is your voltage id of your cpu. Meaning that it is the default voltage that your cpu is. Voltages vary from chip to chip so, set everything to default, disable all speedsteppings ie; CE1, EIST. (If you don't disable, you will see fluctuations in voltages and clock speeds when you open CPU-Z) Then boot into windows. Check "cpu-z" or "coretemp" and you will see your voltage of your chip there. Also, what you are doing with 6 x 400 is overclocking to 2.4 and you are not bumping up the voltage to the chip, meaning its not stable. Some can some can't. Check your bois again after rebooting and check your vcore voltages. This will give you an idea of what your VID is, that is if you still have everything @ default settings. Overclocking should be done in small steps and stages if your not in complete understanding of what you are doing. Get the hang of it with small increments. Get your overclock stable @ each piont. Set a goal ( short term ) get it stable, then move to your next goal do the same until you have reached what OC you want to achieve. Remember if your using stock HSF, watch your temps.

 

[geoffry]

Make sure you lock your PCI Express clock at 100 mhz.

 

[ShockwaveVT]

Sounds like you will probably have to increase the CPU voltage (sometimes labeled vCore in BIOS) to get your CPU overclock. Some chips will over clock well on stock voltages, some require a bit extra. Typically the higher you push the CPU the more you'll need to increase CPU voltage.

Note that there is almost always a drop in CPU voltage you set in BIOS and the voltage it actually receives, as shown in CoreTemp or CPU-Z. So don't get concerned if you set it for one value and it displays as another.

For example, my E6300 is doing 7x429 (3.0GHz) but I had to increase the voltage to about 1.375 in BIOS which is actually about 1.3 in CPU-Z. At stock speeds I was able to run the CPU voltage at 1.2 BIOS / 1.10 actual.

 

[Fardor]

I had been upping voltage but did a little more this time (1.368v in CPUz) but still having the same two problems. One being that I was only able to get the system to start by turning off the PSU switch for a while and then turning back on. Other problem that instead of the 400MHz I set in the bios CPUz reads 200.

Should I up the voltage higher?

 

[Fardor]

Originally posted by: BolleY2K
When overclocking my E4300 my Mobo had a great FSB-hole ranging from 265 to 330 Mhz. Anything above 265 wouldn´t work but going straight to 335 runs rockstable with stock voltages.

So try 250, 300 or 335 for example - could also be a FSB-hole for you, even if one at such a low increment is pretty strange.

I tried 335 x 7 and it seems to have worked fine (wtflol).

The guide says that 1:1 ratio is best for the RAM speed, but then it would be 335 instead of 400 so I set it to 5:4 so that the ram is at 402 MHz. Not that I'm dead set on 335, I'll try other numbers as well, but in this case would it be better to just keep the ratio to 1:1? Maybe I'm not understanding that part of the guide correctly?

Thanks for the help so far guys.

 

[Drsignguy]

Answer this question.. Does your machine boot up at default levels? Start from scratch....


Edit: nevermind you just posted! Lol

 

[Drsignguy]

Originally posted by: Drsignguy
Answer this question.. Does your machine boot up at default levels? Start from scratch....


Edit: nevermind you just posted! Lol

Still, answer the question tho....

 

[Fardor]

Before I tried OC'ing I had been running the computer with no problems at default settings for a few weeks, if that's what you mean.

BTW is it normal for one core to be a few degrees warmer than the other?

 

[Drsignguy]

Good answer. And yes Btw on the temp issue. Ok From default settings, Have you tried Small increments? Try 10 ~15 mhz Incros. Leave the voltage @ default and see where this takes you. By trying to play with the multiplier at different settings, just leave it @ 11 and start by raising the FSB. Ram 1:1 you need to know where your stable at with the voltage you set it at and test... Just an FYI, even though you can get it clocked @ 335 x 7 = 2345, doesn't mean your stable. Means nothing if crash or get BSOD's or not even posting.

 

[Fardor]

yeah I've been stress testing w/ Prime95 and no errors yet, who knows though, maybe it'll get one in a few more seconds.

will try the small increments.
so if I increase it another 10 mhz and it doesn't work, I should up the voltage one increment and see if it works and keep going like that? How high can voltage go before it's considered dangerous at all? And is 4-4-4-12 considerably faster in real world apps than 5-5-5-15?

 

[Drsignguy]

Originally posted by: Fardor
yeah I've been stress testing w/ Prime95 and no errors yet, who knows though, maybe it'll get one in a few more seconds.

will try the small increments.
so if I increase it another 10 mhz and it doesn't work, I should up the voltage one increment and see if it works and keep going like that? How high can voltage go before it's considered dangerous at all? And is 4-4-4-12 considerably faster in real world apps than 5-5-5-15?

Yes on the voltage increments and as for the max voltage, I would trust the wisdom of someone who has this chip. I have a Q6600 and a E2160, both of which I try not to go over 1.4v. Not to say I haven't but I like my temps like they are so, I stay at or below. Thats just me. Anyway as for the memory timings, I wouldn't say "considerably" but the timings are a bit faster. How much? Not really sure but there are people in here that will tell you.