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Tom's Hardware > Forum > CPU & Components > CPUs > Unknown CPU

Unknown CPU

Forum CPU & Components : CPUs Unknown CPU

I acquired a CPU today from a computer that looks exactly like mine. The motherboard looked different but it had a 2.6ghz CPU in it and i was wondering if someone could tell me what kind of Socket it is so i might be able to use it.

This exactly what it says on the back:

INTEL (M) (C) '01
PENTIUM(R)4
2.60GHZ/512/800
SL6WH COSTA RICA
3324A020

[weird pixel stuff here] 4324A940
1086

Thank you as i am totally unfamiliar with CPU's

Reply to Allen S

It's a socket 478 CPU: http://processorfinder.intel.com/d [...] Spec=SL6WH

Reply to GhislainG

okay thanks. now to get this working in my computer?????

Reply to Allen S

Its a mobo of this http://support.dell.com/support/ed [...] tm#1103140 Currently im running a 2.0 ghz in my 4550 and its the only computer i have so its my only choice to upgrade

Reply to Allen S

You have the answer on the page that you linked:

Intel® Pentium® 4 microprocessor that runs at 1.80, 1.90, 2.0, or 2.20 GHz internally and 400 MHz externally; or 2.26, 2.4, 2.53, 2.66, 2.8, or 3.06 GHz internally and 533 MHz externally.

Since the SL6WH runs at 800 MHz externally, you can't use it. If you do, it will run at 1.7 GHz instead of 2.6 GHz.

Reply to GhislainG

ohhhh haha okay then. Is there anything i can do to make it work at 2.6 then?

Reply to Allen S

http://www.compuvest.com/Desc.jsp; [...] iid=990037 this one should work. its 400 mhz

Reply to Allen S

It will work only if the BIOS supports it. None of the officially supported processors requires a 6.5 multiplier and that might be the reason why that 2.6 isn't on the list. In addition, the performance improvement might not be as much as you'd expect. A P4 3.06 with a 533 MHz FSB and Hyperthreading would provide a much better performance boost and it won't cost you more: http://shop.ebay.com/?_from=R40&_t [...] Categories

Message quoted 1 times

Reply to GhislainG

GhislainG wrote :

Ya but will this work with my motherboard? its a 533 mhz and i thought i couldnt use that along with an 800mhz

Reply to Allen S

The 3.06 is a 533 MHz FSB CPU and it's on the list of supported processors. It also is the only Hyperthreading CPU available for your motherboard.

Reply to GhislainG

okay it sounds like a great idea then

Reply to Allen S

Let's just say that it will make your PC a bit less sluggish.

Reply to GhislainG

I dont have paypal though.....

Reply to Allen S

oh wait i found one http://www.compuvest.com/Desc.jsp; [...] id=1183659

Reply to Allen S

It shouldn't be that difficult to create a Paypal account. You can also buy it brand new from Compuvest http://www.compuvest.com/Desc.jsp?iid=1183659 and other sites.

Reply to GhislainG

Is there any thing else after you install it?

1. disconnect everything
2. Remove heat sink
3. Unclip CPU
4. Remove and install new CPU
5.Apply thermal paste on new CPU
6.Add heat sink
7. connect everything back up.
8. turn on computer

And what happens after you turn it on? I read that you check the BIOS for temperature spikes, but is that it? It seems to easy

Reply to Allen S

If you apply thermal paste correctly, then the CPU shouldn't overheat. Unless you buy a retail processor, you'll probably have to buy a new HSF because a P4 3.06 is harder to cool than a P4 2.0. Last time I installed a P4, I used a Zalman CNPS7000C-Cu: http://www.newegg.com/Product/Prod [...] 6835118047

Reply to GhislainG

Don't forget to clean the HSF before reassembly!

Reply to mi1ez

so if i buy the 3.06 Intel processor, i wont have to buy a fan for it. I'm not really sure if a fan would be necessary. I usually run around 30 Celsius. i don't have a lot of high power hardware so it runs pretty cool

Reply to Allen S

I don't have a fan on my heatsink though. its just a heatsink with a green fan shroud that's over it with a fan that pumps air through the heat sink, but its not on the heat sink. If thats what your asking

Reply to Allen S

Timop wrote :

The sotck HSF intel put on the 3.06Ghz is the same as the one you already have, so theres no point of buying another fan. The one you have is enough.
(Unless you're looking for an aftermarket fan to cool it further of course. )

The fan on my 2.4/400 and my 2.8/800 with HT looked the same, but they were not identical. It's possible Dell used the same fan on the 2.0 and the 3.06, but the 3.06 definitely generates more heat.

The OP should read this article that clearly says (and shows) that the 3.06 uses a larger HSF: http://www.anandtech.com/show/1031/8

Reply to GhislainG

i took off my heatsink today and i found a whole bunch of junk on the bottom of the heat sink. at first i thought i ripped off the CPU but then i saw the the CPU still intact. It looks like a piece of foil stuck on some black stuff on the heat sink. I'll post a picture if we need too. It looks like old Thermal grease

Reply to Allen S

That's normal. You need to clean it up and use heat paste like Arctic Silver 5 on the new CPU (or the old one if you decide to keep it). You need to apply a very thin layer of heat paste (as thin as a thick sheet of paper). Spread it with a clean tool (an old credit card works well); don't contaminate it with your fingers.

Reply to GhislainG

When you mean "clean it up" you mean like take everything off the bottom so that the bottom of the HS is visible? What do i clean it with???? I was watching youtube videos and it looks like i am going to use the x-method with the paste. And yes, i was going to buy arctic silver

Reply to Allen S

You should clean it with a lint free cloth and rubbing alcohol. Just be careful when cleaning the CPU.

Edit: I still prefer to know that the whole CPU is covered with a very thin layer of heat paste over using the X method. That way I don't end up with a mess.

Message edited by GhislainG on 05-29-2010 at 03:20:08 AM

Reply to GhislainG

your right. the paste doesnt need to be covering the entire chip. The spread method scares me because there are air bubble problems. ive seen it done with a credit card but im not sure about air bubbles though

Reply to Allen S

I've never seen air bubbles when spreading AS5. It happens only if you didn't thoroughly clean the CPU or HSF.

Reply to GhislainG

Why would i need to clean the CPU? Its a brand new chip. not refurbished

Message edited by Allen S on 05-29-2010 at 07:09:13 PM

Reply to Allen S

You don't have to clean the new chip if it was sealed and there are no fingerprints on it.

Reply to GhislainG

okay, but for the heatsink i will have to clean. with rubbing alcohol and a lint free cloth. i would assume that the alcohol is to get the old thermal paste off, yes?

Message quoted 1 times

Reply to Allen S

It showed up today. looks nice and clean. I have two questions now.
1. will my PSU be able to gice the CPU enough power? My psu http://www.newegg.com/Product/Prod [...] 6817338009

2. Will i still be able to put the chip in my computer without a BIOS version A08??? For this, i know i wont be able to enable hyper threading, but for the meantime (as i try to clean out my floppy drive for a floppy BIOS upgrade :pfff: )would it still work without hyper threading, so when i get BIOS A08 I can just enable hyper threading?

Reply to Allen S

1. You should be fine.

2. Try it. Worst that can happen is you have to reinstall the old CPU to flash the BIOS.

Reply to GhislainG

okay i think i'll wait till i get the new Bios then

Reply to Allen S

just a second! i looked at the heatsink again and that silver thing on the bottom of it is a thermal pad. does thing change things?

Reply to Allen S

2120395,37,608382]just a second! i looked at the heatsink again and that silver thing on the bottom of it is a thermal pad. does thing change things?[/quotemsg]
Not really. If it's glued, then you should leave it alone.

Reply to GhislainG

okay. My BIOS is now Version A08. So is the processor just plug it in now?? I have already mentioned this but the the heatsink has a thermal pad, NOT thermal grease....My PSU should be able to sustain it. I think im already to go then, yes?

Reply to Allen S

You need to put a very thin layer of thermal paste, as Dell did. I have a similar Intel HSF with a similar pad and it also requires thermal paste. Check your temps under load after installation.

Reply to GhislainG

lol okay

Reply to Allen S

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