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ASRock 939 Dual SATA II BIOS OC options help - Page 2

post #11 of 118
Make sure you are running your ram on a divider. You want to keep the ram as close to 200mhz as possible since you have 2 1gb sticks. Download CPU-Z , it will tell you how fast your ram is going.

Next download OCCT . It is a program to check stability.

Also it sounds like you just need more volts going into your vcore. Ensure that the ram vdimm is set to HIGH.

Lower your OC to standard and run OCCT to check stability from the get go. Then work your way up slowly, not too slow but its a timely process. Theres a faq on how to OC your amd 64, read it.
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post #12 of 118
Thread Starter 
Ok, I found the FAQ. In it it says to find the max HTT, then max CPU then max RAM, but at the top it says to make sure HTT is never over 1000. OK, so I know that my HTT can get to 1000, so why find max HTT if I'm not allowed to go over 1000? As for CPU, it says to set the RAM to 100MHz. My mother board can only go down to 133MHz for RAM and when I do that my screen has corruption all over it and I have to reset the RAM speed in BIOS. So I can't find the max CPU as the guide told me to (I think it's 2420MHz, that works safely overnight in prime95). As for max RAM, I don't know if my mobo even supports changing it. The only options i saw for RAM were changing from 133, 166, and 200MHz and you could change the timings. How are people getting RAM to weird numbers like 345 or something? Also, where can I change the RAM voltage in BIOS? I'm asking these questions assuming that we chare the same mobo what?, but just stop me if I'm being too needy. Thanks for your help thus far.
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post #13 of 118
This Mobo can support about up to 1100+ HTT, but just keep it under 1000 to keep the stress off the board. SO, keep your HTT divider at 4 up to 250mhz , then go to 3x (600) one u pass that mark.

When you are using RAM dividers...If you were to keep your settings at stock and set your ram to 133, your ram would run 133. But when you start uping the CPU mhz the ram follows but from its divided state...At 240mhz on the CPU with the ram at a 166 divider your ram will be runinng 200mhz (pc3200) . Not sure if this only works with a 10x multi, shouldnt matter.

Not sure if your ram is cas2.5 or 3 , if its 2.5 you could reach 2.6ghz (given u use enough vcore) if you were to loosen the timings to like 3-3-3-10.

Trail and error are your friends. Do the volt mod. <3

2nd edit : They are reaching crazy high ram speeds by doing the vdimm mod, and having good TCCD or BH5 ram . You cant reach must past 250mhz with any 1gb module, but dont worry about that. With 2gbs at 200mhz you'll run smoother games than them all.

Ram voltage is ...normal = 2.5 HIGH = 2.7
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post #14 of 118
Thread Starter 
Well, it would appear I have found something bad. I set my CPU to 240 x10 = 2400MHz and HTT 240 x4 = 960. I didn't fool with the RAM because I don't know how (well, at first I tried 166MHz and it didn't boot so I put it down, didn't help, now I see it was my CPU). As it turns out, when I go into manual mode for CPU it doesn't take affect. I put it at 1.450V and 10x multi, but it still uses the auto function (1.450V and 11x multi). Therefore, when I set it to 240, it was at 2640MHz! Well, with that voltage and stock air, I wouldn't expect it to boot. It didn't. Any idea why it's not accepting the numbers I put in for my manual overclock? Is it a BIOS issue?

On another note, I can't figure out RAM timings. As far as I can tell, 3-3-3-10 means CAS of 3, CAS to RAS of 3, RAS of 3, and Tras of 8. When I go into BIOS, I can set CAS and CAS-RAS and Tras to anything from 1-10 (or something like that, my point being all those options are there, including 2.5 CAS, which my RAM can handle) but the RAS has no 3. It goes 2, 5, 8, 10 or something to that effect, no sequence. I tried putting the numbers as close to 3-3-3-10 as I could and my system wouldn't boot. I had rto reset CMOS, no biggy, but I would like to find out what's up with the RAM and the BIOS OC stuff not kicking in. And if you are wondering, I used cpuz to check all my stuff, it says for CPU 220 (I set that) x11 (I didn't set that, I want x10) @ 2420MHz. Those are all my problems for now. Thanks what?, you've been a huge help. I gave you some rep+

Also, I want to say that I plan on doing that volt mod you mentioned in another thread. It seems like the easiest thing ever, but I just want to know if it's dangerous. What If I set everything at stock except for voltage, and i put it at 1.55? Can that cause damage or something? I'm unfamiliar with what voltages do. In fact, I know nothing at all.
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post #15 of 118
Thread Starter 
No ideas on the RAM timings or CPU multi problem?
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post #16 of 118
Ok ... 11 multi, i need to know what ram you have.

When you change something in bios, reboot. Dont attempt to change too many things at once in bios at one time. So change like ram timings then reboot, change volts then reboor, etc.

Set NB-CPU 800
reboot , if you havent already done this
Set ram volts to high and Vcore to 1.45
reboot
Change tras to 10
reboot.
Change ram divider to 166mhz
reboot.
Now you will still be at 2.2ghz but your ram is running at 333mhz

Now start overlocking.
Put pci-e cpu to async
Up your CPU mhz by say 10.
Reboot , test using OCCT or prime95 while monitoring TEMPS/Voltage flucations using motherboard monitor or AIDA32 , i prefer aida but thats just me.

Let it pass OCCT or a few lines prime95. Assumming your CPU temps didnt go near 50C and your volts on the 12V didnt drop below 11.6ish .

Up the CPU mhz another 10 and repeat.

A quicker way that i dont like to do, cuz it causes those moments when the comp wont boot. Is keep slowly upping the CPU by 2 - 5mhz until the comp wont boot. Then lower about 10mhz and test. Keep your ram below or around 200, until you tell me what kind it is exactly .
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post #17 of 118
Thread Starter 
http://www.newegg.com/Product/Produc...82E16820145575

That's my RAM.

EDIT: Wow, this is strange. I just did all that, everything one at a time, and then set my multi to 10x. I left my bus speed alone so it should be 2.0GHz, just as an experiment. Sure enough, cpuz says I'ts 2.2GHz with an 11x multi, BUT in my computer>properties it says the speed is 2.0GHz! Clearly there is a problem with cpuz. Any idea why? Also, should I set my cas to 3? Right noqw it's 2.5-3-3-10, is that good or is 3-3-3-10 better?

EDIT#2: Hmm... Not so sure that cpuz has a problem. Idk *** is going on. I put my chip at 240 x10 (2400MHz). That's 20MHz below what I had before (220 x11 = 2420MHz) and it wouldn't even boot. I had to reset CMOS. What's going on?
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post #18 of 118
Hey guys

When I set a core voltage in the BIOS (let's say, 1.45), if I look at the HW monitor in the bios, it says it's like 1.5V. My rails are reading just as crazy:

3.3V - 3.43V
5V - 5.41V
12V - 12.45V

So I've got voltage literally everywhere...but I can't get an FSB past 275 (HTT multi is on 3). In fact, on 275 it won't reboot (but boots most of the time from cold), but it tests fully stable at that speed. My RAM seems to be able to go to DDR500 (FSB 250 1:1) with no issue without the vDimm mod. Right now I only have two dimms in (I got a bad one, looks to be mislabeled - RMA in progress with OCZ, so I'm on 1gig right now). Think I need to do the vCore mod? Or won't that really help much? I only have a 9x multi to work with...anyone here get past 275 FSB with the 1.2 bios? And do you think the stock cooler can take the heat (no pun intended) of a slightly higher vcore than I'm running right now?

I'm hesitant to do the vCore mod due to the already artificially high voltage readings. Do you think it would even be safe to attempt it? I really don't want to fry this poor little critter...
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post #19 of 118
Thread Starter 
It doesn't look to me like the vcore mod is dangerous to the board. It's pretty much the same thing as if there were an option in BIOS to seect 1.5v, you wouldn't think that would be dangerous, but the vcore mod seems dangerous because it involves actually changing the hardware (slightly). About those voltages though, I don't know what to make of them. Mine are normal, I don't want to suggest the vcore mod if yours are weird, I havn't enough knowledge of this board. Hopefully what? can help us out with this, he has the same board and he knows a lot about it. I just hope he can help me with that weird cpuz thing I'm getting.

Another note on my problem, I can put my FSB at 225 when I put the multiplier at 10x. cpuz reads 225 x11 = 2475 because it is doing that weird 11x thing, but My Computer says 2.25GHz (225 x10). My computer will boot on this, but it can not boot if i set my BIOS to 225 x11 = 2475MHz. So, in both cases cpuz would read 11x 225 = 2475 but wont boot in one case. This leads me to believe that cpuz is having an error reading my speeds. But then I go to BIOS and set my FSB to 240 x10. If cpuz is really just misreading and the speed in My Computer is correct then it should boot fine (It can boot fine at 220 x11 = 2420Mhz) at 2400MHz, but it doesn't. This leads me to believe that cpuz is correct (and it's not booting because 11x 240 = 2640 = too much for stock air) and My Computer is wrong. Ahh, contradictions! what?, if you can help solve this then you will get all my rep points forever!
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post #20 of 118
Quote:
Originally Posted by Taishan
Hey guys

When I set a core voltage in the BIOS (let's say, 1.45), if I look at the HW monitor in the bios, it says it's like 1.5V. My rails are reading just as crazy:

3.3V - 3.43V
5V - 5.41V
12V - 12.45V

So I've got voltage literally everywhere...but I can't get an FSB past 275 (HTT multi is on 3). In fact, on 275 it won't reboot (but boots most of the time from cold), but it tests fully stable at that speed. My RAM seems to be able to go to DDR500 (FSB 250 1:1) with no issue without the vDimm mod. Right now I only have two dimms in (I got a bad one, looks to be mislabeled - RMA in progress with OCZ, so I'm on 1gig right now). Think I need to do the vCore mod? Or won't that really help much? I only have a 9x multi to work with...anyone here get past 275 FSB with the 1.2 bios? And do you think the stock cooler can take the heat (no pun intended) of a slightly higher vcore than I'm running right now?

I'm hesitant to do the vCore mod due to the already artificially high voltage readings. Do you think it would even be safe to attempt it? I really don't want to fry this poor little critter...
1.2 are limited to HTT of 274. You will need to use OCWB1 beta bios to go past that.
I am running the Beta 1 bios with no problem and have reached HTT of 340 without hesitation.

what are rails on your PSU?
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