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Double marked P4 - is that something rare?
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bartx



Joined: 28 Apr 2012
Posts: 1
PostPosted: Sat Apr 28, 2012 12:38 am    Post subject: Double marked P4 - is that something rare? Reply with quote
Hello everyone, because it's my first post here.

Yestarday I received 2 strange P4, which are double marked. They are marked as 3.0GHz and 3.4GHz, although my board detects them as 3.0GHz. Is that something rare or it's rather not hard to find chip like this?


They're looking the same as this cpu on picture, which I found on the Internet.


Best regards
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jrmunro



Joined: 01 Feb 2003
Posts: 3149
Location: Vancouver, Canada
PostPosted: Sat Apr 28, 2012 12:41 am    Post subject: Reply with quote
Most likely it wouldn`t run at 3.4 so they downgraded it.
I haven`t seen many but I don`t know how rare these are. I`m not the expert on these. Someone else will probably be able to give more info.
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gshv



Joined: 01 Feb 2003
Posts: 7898
Location: Fairfax, VA USA
PostPosted: Sat Apr 28, 2012 2:21 am    Post subject: Reply with quote
These are not rare. At the moment you can buy them on eBay for less than $10:

http://www.ebay.com/itm/Intel-SL8BM-Pentium-4-3-0GHz-1MB-800MHz-Desktop-CPU-Socket-LGA775-/310396837467?pt=CPUs&hash=item484517de5b
http://www.ebay.com/itm/Intel-Pentium-4-Double-Stamped-CPU-SL7J8-3-4Ghz-1M-800-SL8BM-3-00GHZ-1M-800-/110867613568?pt=CPUs&hash=item19d0398780
http://www.ebay.com/itm/Intel-Pentium-4-P4-3-0GHz-CPU-Processor-SL8BM-JM80547PG0801M-/270965241632?pt=CPUs&hash=item3f16c97720

There a few more of them on eBay for cheap. Don't pay attention to this seller Smile -

http://www.ebay.com/itm/INTEL-Pentium-4-3-4-GHz-Processor-ERROR-DOUBLE-STRIKE-STAMP-COLLECTORS-HISTORY-/110863953331?pt=CPUs&hash=item19d001adb3

Gennadiy
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magictom



Joined: 14 May 2009
Posts: 2281
Location: Hawaii
PostPosted: Sat Apr 28, 2012 2:59 am    Post subject: Reply with quote
gshv wrote:
Don't pay attention to this seller Smile -

http://www.ebay.com/itm/INTEL-Pentium-4-3-4-GHz-Processor-ERROR-DOUBLE-STRIKE-STAMP-COLLECTORS-HISTORY-/110863953331?pt=CPUs&hash=item19d001adb3

Gennadiy


LOL. Tellingly, his Ebay ID is "computerpartdiscounters505"
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Neon_WA



Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
PostPosted: Wed May 02, 2012 10:00 pm    Post subject: Reply with quote
gshv wrote:
Don't pay attention to this seller Smile -

here is another Confused

http://www.ebay.com/itm/INTEL-PENTIUM-4-PROCESSOR-DOUBLE-STRIKE-STAMP-ERROR-COLLECTORS-RARE-ITEM-/300704964847?pt=CPUs&hash=item460369a0ef#ht_1369wt_1042
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magictom



Joined: 14 May 2009
Posts: 2281
Location: Hawaii
PostPosted: Thu May 03, 2012 1:20 am    Post subject: Reply with quote
Neon_WA wrote:

here is another Confused

http://www.ebay.com/itm/INTEL-PENTIUM-4-PROCESSOR-DOUBLE-STRIKE-STAMP-ERROR-COLLECTORS-RARE-ITEM-/300704964847?pt=CPUs&hash=item460369a0ef#ht_1369wt_1042


I noticed he wants to charge extra for shipping to Hawaii, so I just sent him the following question:

"Would you consider free shipping to Hawaii? I'm not that rich, so every penny counts,
especially when dropping several 100,000 $$ on an item. " icon_crazy
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Neon_WA



Joined: 08 Nov 2008
Posts: 7146
Location: Margaret River, West Australia
PostPosted: Thu May 03, 2012 1:24 am    Post subject: Reply with quote
u stirrer Laughing
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Chook



Joined: 29 Oct 2008
Posts: 2250
Location: Australia
PostPosted: Thu May 03, 2012 2:29 am    Post subject: Reply with quote
I bought one of these chips recently, but didn't pay quite as much as that!
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ApostolCV



Joined: 26 May 2020
Posts: 207
Location: Ukraine
PostPosted: Tue Oct 18, 2022 7:38 am    Post subject: Reply with quote
Can it be transmitted that Intel has a tool that can change the characteristics of an already finished chip?
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