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PostPosted: Sat Apr 25, 2009 2:46 pm 
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I tried an e6600 (C2D 2.4Ghz) that I had laying around and no go...

Just wouldn't boot up. Put the celeron back in and its back to normal.


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PostPosted: Sun Apr 26, 2009 9:12 am 
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Ok So I got bored.. I had another PC with an E6420 (C2D 2.16 Ghz) laying around and I figured what the hell..

Here's the before:

Image

Here's the after:

Image

I'm not too happy about the full load temps, but its still within spec..

Image

hwmonitor shows a different temp range as well.

Image


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PostPosted: Sun Apr 26, 2009 10:02 am 
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a reboot fixed the single core showing up issue..

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PostPosted: Sun Apr 26, 2009 10:12 am 
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Stress test results? (OCCT, Orthos, etc)


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PostPosted: Sun Apr 26, 2009 11:41 am 
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occt causes a reboot when it reaches 82C


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PostPosted: Sun Apr 26, 2009 12:35 pm 
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The good news out of this is that the limitation looks to be more thermal than power delivery (or whatever it was that limited the EX47x).

ie: Ed's L3110 might be the ticket.

Googling for vcore pinmods for the c2d returns some interesting results... it looks like it might be the way to lower the vcore on these chips. (for those googling along, most of the useful info appears to originate from the notebookreview forums)

edit/update: Looks like there are a few softmod tools available too.


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PostPosted: Thu Apr 30, 2009 9:27 pm 
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Somme folks are having success upgrading the EX48x CPU over at http://www.mediasmarthome.com/forum/thread/11977/HP-EX-485-CPU-upgrade-sucessful/

Worth a look-see...

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PostPosted: Fri May 01, 2009 5:12 am 
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Looks like he passed 1Hr of OCCT testing with the E5200... CPU reached 70°C though and there's some regular spikes to 0% CPU usage during the testing. Perhaps as a result of mhz throttling at high temperatures? His OCCT graphs show his chip running at 1.2Ghz@200FSB instead of the 2.5Ghz the E5200 is supposed to run at.

I wonder how it would do on a prolonged test... Still, it didn't shutoff during testing so we're much further along than I though we would/could be with the EX48x.


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PostPosted: Mon May 04, 2009 8:41 am 
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Not sure if this will help anybody out, but I'd like to give back what I can since these forums have been quite helpful.
Using MMTool v3.19 (AMI Bios copyright) manipulation tool, I copied the bios to see if I could deduce anything about the contents. The CPU Patch page of the tool is shown in the attachment jpeg and hopefully in-line below if I did it right.

Attachment:
CPU Patch.jpg
CPU Patch.jpg [ 60.25 KiB | Viewed 8690 times ]


I'm pretty sure #5 reflects the current 2GHz shipping processor, but without any Intel table available I'm not sure what the other four CPUs listed are. Can anybody assist? Thanks in advance.


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PostPosted: Mon May 04, 2009 9:20 am 
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That's interesting, 06FB is the intel Q6600 2.4 quad core. I know it runs pretty cool but passively?

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PostPosted: Mon May 04, 2009 10:09 am 
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I put an e4300 (C2D 2ghz) in over the weekend and it passed OCCT and actually runs cooler then the celeron. Idles at 44c. I think any Pentium dual core, (which is essentially a C2D with 2mb cache and 800FSB and no virtualization support) should work. I think the e4350 had issues because of the 1066FSB.


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PostPosted: Mon May 04, 2009 12:14 pm 
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I did some googling on comparisons between the 3800 EE SFF vs the E4300... (From a german article) Looks like an E4300 system is a bit faster, uses slightly less power at idle, and uses slightly more power at full load than a comparible 3800 EE SFF system.

Things are off to a good start!


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PostPosted: Thu May 07, 2009 8:51 am 
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06F6 5130 - Dual core, 4MB cache, 65nm, FSB1333, Core 2GHz, LGA771, 65W
http://processorfinder.intel.com/detail ... Spec=SLABP

06F2 Intel(R) CPU 2140

06FB Q6600 w/G0 stepping

06FD E4500


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PostPosted: Thu May 07, 2009 3:05 pm 
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mocsharp wrote:
06F6 5130 - Dual core, 4MB cache, 65nm, FSB1333, Core 2GHz, LGA771, 65W
http://processorfinder.intel.com/detail ... Spec=SLABP

06F2 Intel(R) CPU 2140

06FB Q6600 w/G0 stepping

06FD E4500


Um, just wondering how you got an LGA771 CPU to seat into an LGA775 socket?


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PostPosted: Thu May 07, 2009 7:04 pm 
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He didn't. He just identified the cpus from the (bios) cpu microcode table.


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