Overclocking Help for Urban

[Urban_Squrill]

Ok I just got my new mobo(ASUS A7n8x dx) and a AMD AlthonXP2600+. I added a volcano 11+(it was cheap) Now I am ready to overlock. I have overclocked in the past. But could some one tell me what settins would work best.(ie multiplier FSB). I have herd that 2600+ are locked. This true? How much do you think I could overclock it?

[muno]

AFAIK all Athlon XPs are multiplier locked.
MPs are open but they cost a lot more
-M

[Urban_Squrill]

1700's are locked? If so is it by changing the FSB making them overclock like a mother or?

[muno]

Yeah, you change the fsb, and hopefully your motherboard allows changing the divider of pci bus.

Overclocking the fsb raises the speed of all buses, so if you set it to something like 170MHz your pci bus will run a lot faster (if the divider is hardset so you can't change it) and can cause problems with devices.

I've ran my 1800+ at 150MHz without a problem.
-M

[Telexen]

With that board and processor you can adjust the multiplier...

I've run mine everywhere from 12 to 15.

[Krum]

I've just bougth the same ASUS A7N8X Deluxe mobo and an AMD Thorougbred (XP) 2400+ chip. According to my overclocking book, this chip, and the 2600+ are both unlocked from the factory. Earlier XP chips are sometimes locked (version A chips) and sometimes not (version B chips).
The mobo, according to the manual, has the ability to adjust the CPU multiplier, FSB speed, memory speed and even CPU voltage directly from the BIOS without resorting to any manual configuration of mobo jumpers or physical alterations of the CPU. My initial thoughts are to overclock using only an alteration in the CPU frequency multiplier, as this would seem to offer the least potential problems. My question would be do I need to raise the CPU voltage to support his, and if so, by how much?

[Urban_Squrill]

Anyone have insite?

[Urban_Squrill]

Ok I can get it up to 2.21Ghz. I think its eather 11.0 or 11.5 I have the FSB up to 200 I can only go from 166 to 200. When I turn it up .5 it gots to 2.3 and when it trys to load windows the first time it restarts then it freezes when it asks what way you want to boot windows. But when I turn it down to 2.21 it works find? Voltage or what?

[Urban_Squrill]

?

[calmhorizons]

Here's the best method I have found for oc'ing nforce2 mobo's.
Of course some work better than others but for the most part they are all pretty good quality and oc quite well. I start by slowly raising the fsb speed up in 5mhz increments. It's best to lower you mulitiplier before doing this. After raising the fsb 5 at a time you will eventually hit a point where you get your first crash, clear your cmos and reduce your fsb. At this point you should raise your memory and/or vdd voltage. Then start rasing your fsb again until you find your "sweet spot". After you get you desired fsb speed, start to calculate your multiplier for your cpu. Please keep in mind that when raising your fsb, look to make sure that your cpu speeds don't go over stock. In my case I was shooting for a fsb speed of 215. I started by setting my multiplier to 8.5 (I'm running an 2500 barton) 215x8.5 = 1827. Then and only then after my system was stable at that fsb, I began raising my multipler eventually to 10.5 which is 215x10.5 = 2257 mhz. In my case I had to increase my vdd when I tried to go anything over 200fsb. If you get your fsb at the desired speed and can't quite get your cpu to your desired speed, then a vcore boost might be in order. In my case I had to boost vcore to 1.7 from defualt 1.65 to run a 10.5 multiplier. This is all based upon my particualr experiences with my particular mobo, ram and cpu setup. I'm sure others might have different opinions or better advice to give you.