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P IV 1.8A @ 2.4 Ghz @ 1.525 V

adlep

adlep

Diamond Member
Yeah,
Wasnt sure about the stability so I ran Prime95 for 40 minutes.... no problems or errors...
CPU: P IV 1.8A RETAIL from Newegg.com.
FPO/BATCH # 7220A626
VERSION # A78297-004
PACK DATE : 06/10/2002
MADE IN - I know but I am not sayin.......... 🙂

Mobo - Gigabyte 8irxp bios ver f6.
256 Mb of Crucial PC2100 RAM, settings by SPD (auto) in the bios
350W power supply (generic)
Maxtop CSX-147K2F-GF-USB "cool case" from Newegg... picture of the case

I will try to run the processor at 1.5v at 133Mhz fsb and torture test it with prime95... we will see how it goes...
But I am happy even now. 1.525 V at 133Mhz fsb stable leaves a lot of headroom for even greather overclocking and I might be able to hit 140Mhz fsb with this setup soon...
Screenshoots soon.... (problems with cyberwings's FTP...)
 
nice oc adlep

got myself one of those 1.8a chips coming tomorrow to replace my 1.6a @ 2488mhz/1.60v.

sure would be happy with just a measly 150fsb @ 1.60v and my ram at 3:4 - 400mhz

That is the newest pack date that I have heard about. Most seem to be 05/?/02.
 
very nice.

everyone please note his version #

VERSION # A78297-004

you have got plenty of headroom there for overclocking.
you didnt mention your cooler or temps but concider upto 1.65v very safe.

also - run prime95 for at least 1 hour, and even then only concider it "preliminary" testing.
even grandmas computer should be able to run at least 3 hours of prime minimum.

🙂
 
Originally posted by: 7757524
Ummmm....what happened to your 1.6a?
Click to expand...

Nothing happened to it. I just need something else to play around with since I have had my old chip for almost a week. 😀

 
hehe - figures Duvie would notice that too 😉

dont mind him he had a very bad computer day yesterday 😉
he is right about the Costa Rica VS. Malay thing tho. however the appearance of Philly chips does peak our interest 🙂

your preliminary results also have our interest.

🙂
 
Are you running 4/3 ratio?

I can't seem to even get mine to 125Mhz at 4/3, that's only 166Mhz for my PC2700 DDR.

When prime95 fails, is it normally the CPU or RAM?
 
Oh
fuse talk eate my edit....
I am using a default, stock, Intel heatsink which came with a retail box.....
Temerature is about 45C while running on Prime95,
I do have two 92mm fans which came with a case, and another one 80mm, just to be on a safe side...
AND I DO NOT HAVE AN A/C in my apartament.... so I will be carefull when overclocking my bad boy....
 
MrPeepers ~ dont try and do both at once. run mem @ 1:1 and concentrate on the cpu. once thats all stable @ whatever fsb you can then trun to the mem. when/if you have a problem youll know its the mem!

🙂
 
4/3 ratio?....
The moterboard I have allows me to lock.. PCI/AGP at 33/66 no matter what fsb I want to select...
Especial thx for gsethi, he decided to help me out getting all of the missing accesories for the mobo, without him
I wouldnt even have bought the P IV...
Thanks Gsethi

For now I will try to go back to default voltage and run prime95.. then will aim at 140 fsb at default.......(he he)
 
Thanks Thug, I made a full post on my system. I tried 1:1 at 133FSB, but never got to the BIOS, of course the Vcore was at default. When this happens I have to unplug, opon the case and jumper to clear the BIOS. What a pain. At this point I'd be happy at 2.3Ghz, 2.4 seems too high.
 
Originally posted by: adlep
4/3 ratio?....
The moterboard I have allows me to lock.. PCI/AGP at 33/66 no matter what fsb I want to select...
Especial thx for gsethi, he decided to help me out getting all of the missing accesories for the mobo, without him
I wouldnt even have bought the P IV...
Thanks Gsethi

For now I will try to go back to default voltage and run prime95.. then will aim at 140 fsb at default.......(he he)
Click to expand...

3:4 ratio refers to FSB:MEM not PCI/AGP bus. For instance, if you have a P4 running at 150FSB with a 3:4 mem ratio, then the mem would be running at DDR400, not DDR300.
 
Hmm!
I got stuck to the AMD for too long, still dont get it..?
DDR 400.. DDR 300, cant we just use the actual settings... ie 266Mhz corresponds to 133 Mhz
and 400 Mhz corresponds to 4x 100 mhz??????
 
btw speaking about computer problems, see my other question here.. any feedback would be appreciated....
Note that this is not from overclocking.... it seems to be a legacy after previous systems/mobos.. also my system kinnda works right now, but without a sound card.. can not install any sound card whatsowever....
And of course everything works fine with the other hdd, the one on which I did clean install..
Oh well XP here I come on Friday ($45.00, student version)...
 
Originally posted by: adlep
Hmm!
I got stuck to the AMD for too long, still dont get it..?
DDR 400.. DDR 300, cant we just use the actual settings... ie 266Mhz corresponds to 133 Mhz
and 400 Mhz corresponds to 4x 100 mhz??????
Click to expand...

Ok, with a 1:1 memory ratio (which is what AMD systems use) at a 150MHz FSB the RAM would be operating at 300MHz (150MHz "double-pumped"), but with a 3:4 memory ratio (where the RAM is operating 33% faster than the FSB in order to provide more memory bandwidth) the at 150MHz FSB the RAM would be operating at 400MHz (150MHz "double-pumped" = 300+ another third = 400). I hope I explained it a little clearer, this time. Btw, there is also a 4:5 ratio where the RAM operates 25% faster than the FSB. Either way, at 150MHz the CPU gets an effective 600MHz FSB (150 "quad-pumped").
 
<<dont mind him he had a very bad computer day yesterday >>

New hsf install and the result were less then stellar...all is settled now though with old hsf...

Let me the first to congratulate you so far....I needed ~1.56v to run 2.4ghz with my 1.6...so it is looking good for a successful run at 167fsb and under 1.65v...

Does the board offer you a 4:3 ratio (and I don't mena 3:4)??? The reason I ask is that crucial memory will hold you back on this oc...I can see it now....

Get some pc3200 stufff...I think you will hit 150fsb and be able to run the 400mhz ddr with the 3:4 multiplier...
 
For now, my primary focus is to make my system fully functional....
I do have a big problem with installation of my new mobo on my "old" win me.....
But it is not due to o/c because I tried to install everything at default speed and voltage.....
Will upgrade to XP on Friday, which should solve most of my problems.. its about time to get rid of 9.x kernel anyway...
For now I will try to concentrate on a very safe o/c......
Right now I am typing this message on 2.4 @ 1.5V, and it seems to work fine the idle temp is around 35C with my case closed, with 3 extra case fans....... Will try to run the prime test for a couple of hours soon...
Then I will try to maybe go for 140.....

End My board do have the following option in the Bios: Host/DRAM clock ratio
2.0 Memory frequency = host clock x 2.0
2.66 Memory frequency = host clock x 2.66

So my guess is that these settings refer to 1:1 and 4:3 ratios.. for now I will try to stick to 1:1 ratio until the new memory arrives...
 
adlep

I noticed that there are several sSpec ID's on the 1.8A boxed.

Which one is on the your chip?

SL68Q
SL63X
SL62P

All are the BO stepping. Just curious. 🙂
 
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