super_si

Im wanting 2 or 2.1.

How far can i turn the FSB up i wondering?

just hit 48 doing sandra test

just adding, How high should i take the cpu voltage??
Also when nicks mentioned about upping the ram before aswell.
i think its running at 800mhz(2*400)

Buts theres another option
2x
3x
4x
5x
6x
7x

think its at 5 or 6
si

[Edited by super_si - 10/3/2002 7:09:32 PM]

HHxx

Are you coding too fast for the computer to keep up?

Until your graphics card melts. You can up it all you want, but I assume you want it fast but stable. Every machine is different, I can't say "run it at this, and this...". If you are willing to accept the consequence of what could possible happen, then just play about till you find a good setting.

Don't know if thats good or bad for a P4. I run at 50°C on WOT on dual P3's

Regards
H



[Edited by HHxx - 10/3/2002 7:31:11 PM]

super_si

48 is low! Some times its running at 50+ i ran sandra and sim city 3000 hehehe.

Seems to cope. one more up , 110

Im ordering my water cooling kit within the next month so then she'll be stable as.

Si

[Edited by super_si - 10/3/2002 7:26:15 PM]

Mr Footlong

iTrader: (7)

HHxx, overclocking the fsb on the CPU/RAM on p4's is very, very different to doing it on the Athlon boards. At least with the more Recent DDR Chipsets. The i845G and E chipsets for sure have some very good options for stability. The main one being the ability to run the PCI/AGP/USB buses asynchronously the CPU and RAM, the ram too can run Asynchonously to the CPU.

Example: Stock

P4 1.8A CPU (18x100Mhz)
PC2100 RAM running 266Mhz
PCI-33Mhz
AGP-66Mhz (x by whatever AGP multiplier you are running, 1x, 2x, 4x, 8x)
USB-48Mhz

Now as you would expect with most chipsets as you say, when you increase the FSB on the CPU, you up it on the RAM and the buses too:

P4 2.07A CPU (18x115Mhz)
PC2100 RAM running @ approx 299Mhz
PCI-38.3Mhz
AGP-76.66Mhz(x by whatever AGP multiplier you are running, 1x, 2x, 4x, 8x)
USB-57.5Mhz (strange one to figure out exactly as it doesn't quite increase in proportion from my understanding of it)

Now, with the aformentioned intel chipsets you can run the following:

P4 2.07A CPU (18x115Mhz)
PC2100 RAM running @ approx 299Mhz
PCI-33Mhz
AGP-66Mhz(x by whatever AGP multiplier you are running, 1x, 2x, 4x, 8x)
USB-48Mhz

So overclocking is now risking far less component failure. I am in no way endorsing it, just if you know full well what does and means what, then it can be fun and rewarding too Just be prepared for things to go pop, because it can happen.

My rig:

Epox 4G4A+ Mobo (i845G)
P4 2.2A @2.93Ghz (22x133Mhz)
1024MB Corsair XMS3200-C2 DDR400 (200Mhz) RAM running DDR354 (177Mhz)
AGP-66Mhzx4
PCI-33Mhz
USB-48Mhz

All blissfully happy.

Cheers,

Nick




[Edited by Mr Footlong - 10/3/2002 8:14:21 PM]

Mr Footlong

iTrader: (7)

You aren't quite doing it right mate.
To overclock properly and safely, you should only be overclocking in small increment. More importantly, you should only be increasing the voltage when absolutly necessary. Don't just up it for the hell of it. You need to stress the stress the CPU to see whether it needs any more voltage to run stably. the 3 best programs are:

Hot CPU Tester (Excellent for cpu diagnostics)
Sisoft Sandra Pro (Good for Memory stressing)
3DMark2001SE, this is the best for testing stability between the memory, CPU and Graphics.

the stock voltage for all Northwood-based p4's is 1.5V. Only the 2.8 uses slightly more at 1.525 if memory serves.

You should run each of these for some time to get a good idea of how well it all runs. Example. HotCPU for at least 30 mins minimum
30 mins of RAM stress testing from Sandra will give you a good idea of the RAM stability and 3DMark 2001is a must at LEAST 1 full run, 2-3 ideally. These are the minimums that I would recommend.

RAMBUS memory doesn't normally like higher then stock RAM voltage, so you have been warned.

That Zalmann has been designed with noise control in mind, not excellent heat transference when overclocking. Again, you have been warned.

It took me pretty well an entire weekend to figure out exactly what my machine could do with 100% stability without running stupid voltage through my equipment. Step by step........

With your Zalmann, I wouldn't run any more than 1.65V MAX through the CPU. Even then, on air cooling, I wouldn't go over 1.7 if you want pretty well guaranteed long life out of your cpu.

Cheers,

Nick

Edited to correct some major typo's (ignore any others that I haven't bother to correct0

[Edited by Mr Footlong - 10/3/2002 10:02:21 PM]

super_si

No mate!

i think youve blocked my email aswell .

just re add my msn ill behave lol.
miss your infinite knowledge

[Edited by super_si - 10/3/2002 8:59:34 PM]

super_si

if just had a dabble and upped it 1st to 103 then 106. upped voltage to 1.525 i think it was.



Any feedback great

Si

naturbo2000

CPU at 43.5 means you can turn it up some more

David_Wallis

To be honest si, if you dont know whether it looks ok then dont over clock it..

You really need to know what you are doing...

Oh and I lost your mail Can you resend it.

Cheers

David

super_si

Im just playing at the moment! its the only way to learn dave!!

hand on! If it idles higher then 44 im stopping!!

ive read alot about this with nicks help.

Seems to be ok full load its only @ 48

sending email now

Si

HHxx

Just to reiterate, monitor the graphics card temperature. As you overclock the FSB, your will normally also be overclocking your graphics card.

TaTa
H

Mr Footlong

iTrader: (7)

You did say normally, so you know what I am going on about then

Cheers,

Nick

ChristianR

iTrader: (1)

what program you using to overclock with? and where can it be downloaded?

super_si

Im now at 2024 Still 44degs

Fsb is 4* 112.

upped to 1.55v

nick, the AGP bias thing is still 2/3. Theres a 2/4 option

Also current for the ram is x6, 400mhz running

How much more will she take? Seems stable as it ever was now

Si

Mr Footlong

iTrader: (7)

Overclocking is best done little step by step using the BIOS.

**********BUT**********

It isn't just something that you simply do.
As David, HHxx etc say, you need to KNOW exactly what does what and what each individual setting within the BIOS does mate where the CPU, RAM and voltage settings are concerned.

If you don't know, don't try is the best advice in this situation.

Cheers,

Nick

HHxx

[quote]

Mr Footlong

iTrader: (7)

Si, there are Multiplier dividers and Bus frequency locks. 2 different things. I am really going on about using the frequency lock facility that the the G and E chipsets have. The VIA and SIS current chipsets sport a lot of these features too, if not all of them. I think that you have the i850 RAMBUS chipset, which is very good, but doesn't have some of the features that I mention above.

Cheers,

Nick

Mr Footlong

iTrader: (7)

HHxx, your point being?

super_si

yeah ive the i850 chip set.

How high do you think i should take the FSB nick? Everytime i up the FSB im upping the Voltage by .25!

Go to bear in mint its only got teh Zalman heat sink.

just ran the benchmark cpu didnt get above 48.

On the plus side my Vcore is now 1.49 compared to the 1.41 its being running at

Cheers nick

Si

super_si

Alrite cheers nick im gonna knock it back to 1.8 and leave it till i can afford the water kit and sort it properly.

Si

Mr Footlong

iTrader: (7)

Good idea and just keep reading up on it. The more knowledge that you have on it the better

By the way, did you read that reply message that I sent you?

Cheers,

Nick

Mr Footlong

iTrader: (7)

I replied to your hotmail account about the corsair

super_si

but but re add me lol

i know hes bloody away n the misses is ringng the house now

chiark

Si, I know you're doing it already, but take nick's advice. Push small, test thoroughly after every change, and know how to get back when things go pear shaped.

As an example, I pushed my FSB and generally things worked great, but running the shakedown test on sandra would hang the system once I'd gone too far. Needless to say, if I hadn't have done that I'd have been working on something important when the little bastid gremlin decided to raise its ugly head

super_si

actually now you mention it! running the sandra CPU test it would frezee for 10seconds!

Im putting it back to normal again, wouldnt feel safe leaving it while im out

Si

Mr Footlong

iTrader: (7)

The sandra cpu test on the latest builds is supposed to look like that. Don't touch the mouse etc until it is done. The bar does not go along at a constant rate. It sort of jumps half way after x seconds then waits until it has finished the test cycle. The same will apply for the MMX test if that is what you are seeing too.

Cheers,

Nick

super_si

cheers, i thought it was strange!

In that other post

http://www.scoobynet.co.uk/bbs/threa...hreadid=137790

His 1.1 amb beats my 2gb!!

chiark

Yep, but mine hung for minutes - good sign that something was fecked in my eyes

It's a bit like a dawes device... You can wind it up beyond safety and then wonder why you've got a melted lump instead of an engine/cpu

The good thing about the Pentium IV, as said before, is that the thermal management is much better than the Athlon, in that it actually has some that works

super_si

Think im going to leave it at 2.01 seems ok! ive tested it.

just noticed my memorys(Samsung 2*256 RD800) running ar 2*452Mhz.

Bench marking last night, Nicks 1024mb DDR only just beat it!

ChristianR

iTrader: (1)

si what motherboard u using?