SideShow: E5200 Overclock Log

[centax error]

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@CE hahaha pagka amew sad baya ana oi heheheh unsaon na lang pod na

nice bitaw ang E5200 mao mana ta akoa target kuhaon sauna nagkuha na gud ko og mobo pareha ka poldo kaso nitunga man tong 550 gud mao gi cancel na lang

naa ko e5200 R0 step..swap to your 550 BE game? hehe

[dmelsie]

ngek saons wala ko lga 775 mobo na oi hehehehe
e keep lang na imo 5200 kay basig mapuslan ra na puhon puhon

[poldopunk]

polds, very stable na kaayo na imo 5200, on my PC if maka sulod lang ko sa istorya.net and maka stream sa youp**n.com then that's stable enough for me

dakoa nako'g katawa ani uy as expected, it easily passes Blend Test with tRD (performance level) ug 5

Spoiler! 

[centax error]

polds, auto pa na ang cpu pll, cpu term, cpu ref, mch ref?

[poldopunk]

dli auto, stock settings jud kay ang auto mo adjust man together with the frequency.

[Fern]

Master Polds. nindota sa memory uh.... ligwat kaayu sa ka abtik

btw... unsaon sad diay pag test ang response time sa processor?

[poldopunk]

^ benchmarks

Another round of update:

I did a few more tests and I found out that the processor can go 1 GHz overclock without VCORE adjustments. Since I was on the 266 strap, I had to switch to 333 and lowered the multiplier down to 10.5 effectively giving me 3.5 GHz clock speed. That's a 40 % additional performance at no extra charge. With tRD timing set at 5, the MCH voltage needed a +.08 boost and is now running at 1.18 volts, still within Intel's specification of 1.21 volts absolute maximum voltage for the P45 chipset, anything less would lock the computer up whether in BIOS or in the process of loading Windows.

Spoiler! 

Another thing that I really need to mention is the importance of GTL Reference Voltage settings in achieving the most overclock without the need for brute-force voltage adjustments. Most people are quick to increase VTT and VCORE voltage when an error comes up in Prime95 or similar stress-testing program but this is not always the case as proven by Kris Boughton of Anandtech a.k.a freecableguy from the The Tech Repository Forums and Tony from OCZ. There's also an awesome article that can be found here to understand what the GTL Reference Voltage is all about. This is also the reason why I prefer Prime95 as a stress-testing utility because the different torture tests can be focused on a certain component as such that the Small FFTs are for the processor, Large FFTs for processor and MCH while the Blend Test is for the overall CPU-MCH-RAM component.

With 1.2875 VCORE (Processor VID) and 1.2 VTT, Prime95 Small FFTs would report an error somewhere between 17 ~ 27 minutes. My Gaygabite board uses .76 volts (Auto/Default) for the CPU and MCH Reference (GTL Reference Voltage), obviously this isn't the optimized setting anymore since the frequencies have been adjusted so they're no longer within specifications. The image you'll see below, through hours of testing increased the stability of the system to 1 hour and 33 minutes without touching the VCORE and VTT. I'll play with GTL Reference Voltage settings more to put this overclock on the 2-hour mark with Prime95 Small FFTs.

Spoiler! 

Please excuse the start and top on the Console tab on Prime95 as I have made voltage adjustments with Easy Tune 6 before applying the changes permanently in the BIOS. In case you're wondering, ideal GTL Reference Voltage should be 2/3 of VTT or 67%. If you google around, the 45nm processors respond very well to 64~68% GTL Ref while the chipset can work fine with as low as 61%.

[dmelsie]

wow ka nindot na ana bai polds

[poldopunk]

update: 2 hours 4 minutes Prime95 Small FFTs stable with stock VCORE and VTT voltage!

settings used:

2:09 PM 8/30/2009

CPU PLL - 1.5
VTT - 1.20v
CPU Reference - .0815v (68%)
VCORE - 1.2875v
MCH Core - 1.18v
MCH Reference - .740 (62%)

Common Performance Level (tRD) - 6
Memory Frequency and Latency - 400 MHz (DDR2-800), 4-4-4-12 2T, 2.1v
Prime95 Small FFTs - 2 hours 4 minutes passed!

Spoiler! 

[dmelsie]

nice bai polds
akoa prob ron unsaon pag timpla nga 2700 mhz nb speed 4-4-4-12-2 2.0v mem timings og voltage at 450 mhz speed research pa ko about ht link and ht voltage hehehe
kay mo error ang isa ka core if e prime hehehehe

kapoy man tig tuli pahuway sa pod,