CPU - jumper and bios settings 1

[emerald]

I have an AMD 2600+ CPU and my Windows XP Pro and bios setup tells me that the CPU is presently set to run at 1.53Ghz

I would like the CPU to run nearer to 2.6GHz but I am a bit worried about vapourising my motherboard and CPU and so need advice from you guys.

I have a default disabled jumper setting on the M/b for the v-core voltage which is recommended, however, I know that this probably needs to be set on manual so I can change bios settings.

Should I set the v-core jumper on the M/b to manual and then just take the bios CPU setting to 2.5Ghz? Doing that will I then have to change other settings in the BIOS like CPU Frequency Multiple, CPU External Frequency, memory frequency, CPU VCore setting, CPU VCore CPU Level 1 Cache, CPU Level 2 Cache?

God I am scared just thinking about it!

My PC spec is given below

Asus A7v8x-x Skt A Kt400 8x Agp Ddr Sound/lan/usb 2.0
AMD ATHLON XP2600 333FSB 256Cache
Coolermaster Aero7 (Upto XP3200) Skt A with Speed Adjustment
Ram - 1 Gb - 2 x Crucial 512 DDR333 PC2700 DIMM
64MB NVIDIA GeForce2 MX400 AGP TV-Out
OS - windows XP Pro

"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great ones make you feel that you too, can become great." - Mark Twain

 

[paparazi]

There are now four versions of the XP2.6+ and all run at differant clock speeds.
Off the top of my head (I'm sure someone will correct me)
the original release was a 266fsb Thoroughbred CPU that ran at 2.18ghz? then came the first of the 333fsb variants, still a Thoroughbred and was clocked slightly slower at 2.08ghz then came the desireable "Barton" core with it's distinctive long letterbox shaped core, these are the ones it get for overclocking although they are only clocked at 1.918? ghz but have twice the amount of secondary onboard cache at 512kb compared to the others 256kb.
Lastly the cut down Barton called a "Thornton" I'm pretty sure this is the same as the Barton but with only 256kb L2
With air cooling the max you could probably crank the Barton upto is 2.1/2.2 if you're lucky! but that would take it very close to XP3.0+ speeds.
There is no way you're gonna get anywhere close to 2.5ghz with air cooling.
I would advise if you are serious about overclocking then to visit an overclockers site as there is no need for this in a professional enviroment.
Martin

Replying helps further our knowledge, without comment leaves us wondering.

 

[emerald]

thanks paparazi

the processor I have is L2 with a cache of 512 kb and I didn't intend clocking it up unnecessarily. I do a fair amount of graphic design work and thought it was capable of going a bit faster when processing images.

In essence are you recommending that the processor runs at 1.53GHz and no faster for it to function without any overheating problems?

appreciations again

"Keep away from people who try to belittle your ambitions. Small people always do that, but the really great ones make you feel that you too, can become great." - Mark Twain

 

[SkipCox]

Sounds like you have a Model 10 Barton 2600+ running at the wrong fsb of 133Mhz. It should be running at 166Mhz. That'll give you the default speed.

I believe you set this up in bios under cpu frequency. The setting should be 166/33. It's about 2/3's of the way thru your user manual.

Skip

http://home.comcast.net/~skip9/index.html

http://scc.i8.com

 

[paparazi]

emerald
I pointed out the differant clock speeds available for the XP2.6+ CPU.
If you are sure yours is a Barton core with 512 L2 cache then it's clock speed should read something around 1.92ghz.
SkipCox was correct in pointing out that you must have your front side bus set to 133 and not correctly at 166 and this is why your processor is only reading 1.53ghz.
There is usually a 4 pin FSB header and jumper on the motherboard, this jumper needs moving across the pins to a differant position to attain the 166fsb reading (look in your manual) alternatly you maybe able to make this adjustment in the bios (all depends on your motherboard)
Once this adjustment has been made the PC will boot up and post a true Barton XP2.6+ (1.92ghz) figure.
Martin

Replying helps further our knowledge, without comment leaves us wondering.

 

[satrow]

I think that this board has the FSB settings in the Bios, I didn't need to alter any jumpers when I built one last week.

Andy.

 

[ceh4702]

Before you can do anything you need to know the exact processor you have and read your motherboard manual.

If you do not like my post feel free to point out your opinion or my errors.

 

[TrojanSquirrel]

I had this same situation for a XP2000+ system I built with a MSI Mboard. The Bios didn't set the FSB correctly. The CPU showed up as a far slower version (a 1300ghz as I remember).

There should be a jumper on the modo, or a setting in Bios. I have never had to change it since even after cmos battery change and bios flash, so it may have been a jumper in my case.