2500+ at 3200+ overclock failure - for the record

[BlvdKing]

The motherboard supports 200 MHz FSB CPUs. Wiretricking the socket made the 166 MHz FSB Barton into a 200 MHz FSB part. The BIOS has the option to add 10% to the vcore which I did. The chip plain and simple could not handle it. From the looks of this thread, I'm not alone here.

BTW, I bet I've been overclocking computers far longer than you have.

Originally posted by: videoclone
KT600 = CRAP OVERCLOCKING

Nforce2 = 2500+ = 3200+ overclock and even more

( new core not original releace that came out at the start of the year )

Now you know how to overclock clap clap


End of thread :beer:

 

[videoclone]

Look there?s more 2 it then just Supporting 200FSB ....

My Nforce2 board doesn?t even say it supports 200FSB but i can overclock my 2500+ up to that speed no problem

I haven?t seen 1 person in these forums here who hasn?t overclocked there Bran new 2500+ up to 200FSB 3200+ with an Nforce2 board

but i haven?t heard of a single person overclocking there 2500+ up to 3200+ with a KT600

Get an Nforce2 board with a 2500+ CPU and you will get 3200+

KT600 doesn?t overclock as well as Nforce2 boards get over it everyone else knows this why wont you accept it.

You could of also got a Athlon XP 2500+ that was backstock and from when the CPU first came out so it overclocks crap.
My First overclock was an Athlon 800 to 900 linking the level 1 cache with a 6H pencil ...
End of story

 

[BlvdKing]

It's very simple. I could drop a 3200+ in there tomorrow and it should run fine. I know the BIOS of this board doesn't have the options that most NForce 2 boards have, like multiplier adjustments etc, but I if the chip could handle the speed then it should have been able to run, exp at 1.65*1.1 volts.

I'm not slamming the Barton 2500+; it's a great chip and it's fast even at default. I'm just trying to say that it may not overclock as well as alot of people say - like it's 'garanteed' to run at 3200+. One last thing - newer Bartons are more difficult to overclock because they are locked - so a newer core may hurt you.

K6 266 @ 300

 

[videoclone]

Yeah but !!!!

Did you know when you over clock with a board using the KT600 Chipset the CPU FSB over clock will affect the AGP port increasing its clock as well equaling system lock ups and a bad overclocking .

With Nforce2 chipsets the AGP bus is locked and also adjustable in bios as a separate option.

Also the KT600 Chipset never did well in any reviews in overlocking any AMD CPU when compared to the Nforce2 because of the fact it?s a weaker chipset

Remember the only reason Nvidia?s nforce2 chipset turned out to be a god send was because Microsoft gave them $100 million dollars for the research into this chipset for the Xbox

At the end of the day you will run a 3200+ Athlon XP in the KT600 board but that doesn?t mean buying a 2500+ and overclocking it to 3200+ on that same board will work due to the fact your instantly stressing your system?s bus?s buy going over default on a lower quality chipset then that of the Nforce.

 

[BlvdKing]

You have a point but at 200 MHz the AGP/PCI bus is at 66/33. I also compensated by lowering the AGP to 4x instead of 8x.

The whole point of wire tricking the socket was to get the 1/6 divider.

 

[videoclone]

It would be handy if you knew someone with an nforce 2 board who was willing to let you test out your cpu in it 2 find out how far it can overclock so you can find out if its the CPU not going to 3200+ or its the board or maybe even the memory !!!


Some brands of DDR 400 ram have a hard time running at 400

 

[BlvdKing]

Actually, I do know someone with an NForce2 board who is running their Barton 2500+ at 3200+. He lives in Dallas and I live in Lafayette, Indiana though.

I will be going there soon so you definately gave me something to think about.

 

[NesuD]

Out of 3 2500+ Bartons that i have worked with 1 of them didn't like running over a 2800+ setting It was a week 21 I think, another topped out at a 3000+ setting A week 42 as i recall and the third one is perfectly happy at 3200+ it is an AQXEA 0334 VPMW. By the way Kept the third chip for myself

 

[jjyiz28]

Originally posted by: BlvdKing
You have a point but at 200 MHz the AGP/PCI bus is at 66/33. I also compensated by lowering the AGP to 4x instead of 8x.

The whole point of wire tricking the socket was to get the 1/6 divider.

thanksf or the heads up. i guess you just got very unlucky. you could RMA exchange it, but you might get hell if you say you will.

anyways, what do you mean 1/6 divider?? 200/6 is 33mhz. when people say divider, do they mean for the agp(66), or pci (33)??

 

[chocoruacal]

I'd reserve judgement until you cough up the $$$ for an nForce2 board. I haven't seen where you listed what brand RAM you have. Perhaps it doesn't like a 200mhz FSB CPU? You never know...I bought my 2500 off a dude who said it needed 1.8v to run 2.2ghz. It does 200x11 on my nForce with 1.7v ::shrug:: But you're right about chips being different...look thru the Xp2500 user reviews at Newegg...lots of folks (for a variety of reasons, I'm sure) can't do 200mhz FSB.

 

[BlvdKing]

1/6 divider is for the PCI bus and AGP is 2x PCI. Fortunately, the divider is a thing of the past due to the PCI/AGP lock.

 

[jjyiz28]

Originally posted by: BlvdKing
1/6 divider is for the PCI bus and AGP is 2x PCI. Fortunately, the divider is a thing of the past due to the PCI/AGP lock.

ok, but then whats the point of you doing the wire trick so that the mobo sees the chip as a 200fsb, 3200+?? you stated "The whole point of wire tricking the socket was to get the 1/6 divider." . but kt600 supports 400bus natively, so wahts the point?

all u guys saying he should try a NF2 mobo, i disagree with original poster. kt600 supports 400fsb. and who's saying he's runnign his memmroy in sycn?? maybe he's running super tight mem latency but running at 333speed.

 

[Acanthus]

Originally posted by: BlvdKing
I also wonder how many P4 2.4C and 2.6Cs don't get past 3.0 GHz either.

I have never personally seen a 2.6C that couldnt break 3.0
I have however seen a few older step 2.4Cs not make it (this may be due mobo/mem limitations though, high fsb)

 

[beatle]

Originally posted by: myocardia
Oh yeah, quality over quantity, that's the "golden rule" for just about everything. But, I wanted a TruePower, since they have "dedicated" rails, and the 480 was only $8 or $10 more than the 430. BTW, not longer after I got it, I decided to see what it would do, so running the computer in DOS mode (with 2 7200 rpm hd's and 2 optical drives, all connected), I found out that it has enough power left over to push a 2x200 watt car audio amplifier that's pushing two 10" subs almost as hard as when it has an alternator and it's own battery pushing it!! That's pretty good, for a power supply that costs less than a 400 watt Zalman... I now know it's got a bit of headroom, for later!

That's an excellent way to blow up your PSU and/or your PC. The max load on the PSU's 12v is 22A. The amp draws 33A if it's running full out. Not to mention the fact that you hooked it up to your PC...

 

[beatle]

Originally posted by: videoclone
I haven?t seen 1 person in these forums here who hasn?t overclocked there Bran new 2500+ up to 200FSB 3200+ with an Nforce2 board

Did you read ANY posts in this thread?

 

[chocoruacal]

Originally posted by: jjyiz28

Originally posted by: BlvdKing
all u guys saying he should try a NF2 mobo, i disagree with original poster. kt600 supports 400fsb.

Yes, it supports a 400fsb CPU. That doesn't mean he can walk his FSB from 166 up to 200 like he could on an nForce2 board

Even if his chip isn't that great of an oc'er, at least he could do 11x180-whatever with it. Without a locked PCI/AGP....well....good luck doing that on the kt600. Its not that NF2 is a miracle cure for a weak chip, it just gives you more flexibility for finding speed.

 

[WobbleWobble]

Originally posted by: chocoruacal
I'd reserve judgement until you cough up the $$$ for an nForce2 board. I haven't seen where you listed what brand RAM you have. Perhaps it doesn't like a 200mhz FSB CPU? You never know...I bought my 2500 off a dude who said it needed 1.8v to run 2.2ghz. It does 200x11 on my nForce with 1.7v ::shrug:: But you're right about chips being different...look thru the Xp2500 user reviews at Newegg...lots of folks (for a variety of reasons, I'm sure) can't do 200mhz FSB.

It could be because of the differences in voltage between the two boards. Some boards do overvolt and some boards undervolt. If your board overvolts by 0.05 and his undervolts by 0.05, you'd have the same voltage.

 

[WobbleWobble]

Originally posted by: chocoruacal

Originally posted by: jjyiz28

Originally posted by: BlvdKing
all u guys saying he should try a NF2 mobo, i disagree with original poster. kt600 supports 400fsb.

Yes, it supports a 400fsb CPU. That doesn't mean he can walk his FSB from 166 up to 200 like he could on an nForce2 board

Even if his chip isn't that great of an oc'er, at least he could do 11x180-whatever with it. Without a locked PCI/AGP....well....good luck doing that on the kt600. Its not that NF2 is a miracle cure for a weak chip, it just gives you more flexibility for finding speed.

But I think that's his point. Because the KT600 supports the 400MHz FSB, that's all that's needed to hit the magic 3200+ number.

 

[BlvdKing]

Even if his chip isn't that great of an oc'er, at least he could do 11x180-whatever with it. Without a locked PCI/AGP....well....good luck doing that on the kt600.

Actually I'm running the chip at 183*11 for 2013 MHz and a PCI bus of 36.6 MHz - Prime95 tested. I had to lower my ATI 9600 to AGP 4x though. I can *technically* run this 166 MHz FSB part at 200 MHz, provided the chip can handle it and my peripherals can handle 40 MHz PCI and 80 AGP, which I know they can't. The wire trick let me have 33/66 PCI/AGP at 200 MHz FSB, because the motherboard "sensed" that the chip was a 200 MHz FSB part with an 11x multiplier.

Anyway, an NForce 2 would probably get me closer to the maximum this chip can handle because of multiplier adjustments, and the PCI/AGP would still be in sync. The original point of this post though is that not every 2500+ can make 3200+, like what is commonly believed.

EDIT: Maybe I'm being vague. The only way to run the FSB at 200 MHz and have 33/66 PCI/AGP is to put a 200 MHz FSB part in there - a part with closed L12 bridges. Any 166 MHz part has one open and one closed L12 bridge. I placed a wire in the socket to ground the open L12 bridge, and thus trick the motherboard into thinking it was a 200 MHz FSB Barton (2 closed L12 bridges). The board technically supports 200 MHz FSB, if you put an actual 200 MHz FSB chip in there.

EDIT2: I know this all seems like a pain, but this motherboard has given me more entertainment for the dollar than the NForce2 would have. I enjoy building the computer and tinkering with it more than using it!

 

[Jeff7181]

Originally posted by: beatle

Originally posted by: videoclone
I haven?t seen 1 person in these forums here who hasn?t overclocked there Bran new 2500+ up to 200FSB 3200+ with an Nforce2 board

Did you read ANY posts in this thread?

Obviously not... there's been many people here that can't run a 200 Mhz FSB even with a motherboard that officially supports a 200 Mhz FSB.

 

[jjyiz28]

Originally posted by: chocoruacal

Originally posted by: jjyiz28

Originally posted by: BlvdKing
all u guys saying he should try a NF2 mobo, i disagree with original poster. kt600 supports 400fsb.

Yes, it supports a 400fsb CPU. That doesn't mean he can walk his FSB from 166 up to 200 like he could on an nForce2 board

Even if his chip isn't that great of an oc'er, at least he could do 11x180-whatever with it. Without a locked PCI/AGP....well....good luck doing that on the kt600. Its not that NF2 is a miracle cure for a weak chip, it just gives you more flexibility for finding speed.

you are absolutely right. but others including yourself stated that with an NF2 board you should be able to hit 200fsb.

Quote

--------------------------------------------------------------------------------
Originally posted by: chocoruacal
I'd reserve judgement until you cough up the $$$ for an nForce2 board. I haven't seen where you listed what brand RAM you have. Perhaps it doesn't like a 200mhz FSB CPU? You never know...I bought my 2500 off a dude who said it needed 1.8v to run 2.2ghz. It does 200x11 on my nForce with 1.7v ::shrug:: But you're right about chips being different...look thru the Xp2500 user reviews at Newegg...lots of folks (for a variety of reasons, I'm sure) can't do 200mhz FSB.
--------------------------------------------------------------------------------

if that cpu can't support 200fsb on the kt600 chipset, don't expect it to run 200fsb on the NF2 chipset.

 

[jjyiz28]

Originally posted by: BlvdKing

Even if his chip isn't that great of an oc'er, at least he could do 11x180-whatever with it. Without a locked PCI/AGP....well....good luck doing that on the kt600.

EDIT: Maybe I'm being vague. The only way to run the FSB at 200 MHz and have 33/66 PCI/AGP is to put a 200 MHz FSB part in there - a part with closed L12 bridges. Any 166 MHz part has one open and one closed L12 bridge. I placed a wire in the socket to ground the open L12 bridge, and thus trick the motherboard into thinking it was a 200 MHz FSB Barton (2 closed L12 bridges). The board technically supports 200 MHz FSB, if you put an actual 200 MHz FSB chip in there.

ok, i understand what your saying i think. lets say you have a 2500+ that you know is capable at o/c at 3200+ speeds. but if you plop that cpu in the kt600 board, and in bios, you won't be able to up the fsb to 200 since it won't have 33/66 lock at 200fsb?? you would have to trick the mobo in thinking its a genuine 3200+ by grounding the L12 bridge. i did not know that. obviously this does not apply to NF2 boards correct??

do you have links to this?? i don't believe i read about this on kt600 chipsets. not doubting you, just wanna read about.

i have another question though. how bout via chipsets like km400 that support 333fsb cpus. if i have a 1800+ (266fsb), i would have to trick the mobo that its a geniune 333fsb cpu?? or does this only apply to the kt600 chipsets??? i have a km400 and a 1800+ and it seems to be able to take 333fsb easily reaching ~1.9ghz just through jumpering the mobo to 333fsb.

 

[BlvdKing]

This is where I got the info for wire tricking the socket.

On this website he is tricking an Abit NForce 2 board to see if FSB_SENSE makes a difference in overclocking. I adapted the information for the socket that I have. It's the same pins. I knew that wire tricking was needed because when I adjusted the FSB to 200 MHz in the BIOS, without saving, it would show a PCI/AGP at 40/80. When I wire tricked the motherboard, it would show 33/66 @ 200 when it was stable enough to do so. Like I said before, sometimes it was stable enough to get into the BIOS and mess around at 2.2 GHz.

As far as I know, the 1/5 divider kicks in at 166 MHz on the KT333. I have no idea why the 1/6 won't kick in at 200 MHz automatically on the KT600 unless there is an authentic 200 MHz FSB part in there. It doesn't make any sense to me. (no pun intended).

If 1/5 does not kick in, you might have to wire your socket for 166 MHz from 133 MHz, which is a bit more complicated.

EDIT: The memory I am using is a 512 MB stick of PC3200 CAS 3 from Fry's. While I was overclocking I was running the most conservative memory timings and using 2.8 volts. I don't think this was a limiting factor.

 

[destaccado]

I've got all 3 of my 2500+'s to run prime 95 at 3200+ on stock voltages but all with 3rd party hsf's.....what I run them at though is 2ghz.....(kinda like 2750+) and with better cooling the temps are actually below what they would be at 2500+ with stock cooling....highly recommended to everyone

 

[jjyiz28]

Originally posted by: BlvdKing
This is where I got the info for wire tricking the socket.

On this website he is tricking an Abit NForce 2 board to see if FSB_SENSE makes a difference in overclocking. I adapted the information for the socket that I have. It's the same pins. I knew that wire tricking was needed because when I adjusted the FSB to 200 MHz in the BIOS, without saving, it would show a PCI/AGP at 40/80. When I wire tricked the motherboard, it would show 33/66 @ 200 when it was stable enough to do so. Like I said before, sometimes it was stable enough to get into the BIOS and mess around at 2.2 GHz.

As far as I know, the 1/5 divider kicks in at 166 MHz on the KT333. I have no idea why the 1/6 won't kick in at 200 MHz automatically on the KT600 unless there is an authentic 200 MHz FSB part in there. It doesn't make any sense to me. (no pun intended).

If 1/5 does not kick in, you might have to wire your socket for 166 MHz from 133 MHz, which is a bit more complicated.

EDIT: The memory I am using is a 512 MB stick of PC3200 CAS 3 from Fry's. While I was overclocking I was running the most conservative memory timings and using 2.8 volts. I don't think this was a limiting factor.

in newegg reviews, they state that they easily o/ced to 200fsb on kt600 boards. they make no mention of doing a wiretrick. but then again they just might be running 40/80 pci/agp settings which is possible. i ran 38-39 pci, and it worked, but a month later got unstable so i went back to 33 now. so their o/c might not run later on cuz of HD corruption.