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GA-P35-S3G BIOS for E8400 E0 OC?

Pum

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Processor Intel E8400 E0 3GHz @ 4.0GHz (444x9) stable, 4.4GHz (489x9) max.
Motherboard Gigabyte P35-S3G F5b BIOS + 40mm fan on MCH
Cooling Zalman CNPS 9700 (Core temp 46c @ max load @ 4GHz)
Memory Geil Black Dragon DDR2-PC8500C5 (1GBx2) @ 1066MHz (444x2.4)
Video Card(s) Sapphire ATI HD 4850 Dual Slot Cooler (64c @ max load)
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Benchmark Scores SuperPi 1M 11.797s @ 4GHz (444x9). Max CPU 4.4GHz (489x9), Mem 978MHz (489x2).
Hi,

I just put together a budget performance system based on a GA-P35-S3G and an E8400. I didn't get a choice of core when I orderred the CPU, and happened to get an E0 core, as opposed to the earlier C0 core. Now normally this would be good, but I notice from googling on OCing this mobo that generally people have only had success OCing it with F3a BIOS (eg: http://forums.overclockersclub.com/index.php?showtopic=77889&st=14). Problem for is that F3a is pre-E0 core support :( E0 support was introduced with F4 BIOS.

I'm starting to try OCing, and I can so far only get to 337MHz :( Beyond that it double resets the BIOS back to defaults, without getting as far as trying to start the OS. I've tried Auto settings which I thought would be fine for a mild initial test OC, and I've tried setting a variety of manual voltages and timings, and all attempts get the same result :banghead: Now I expected a few difficulties, but from previous experience OCing Northwood P4C I figured it would at least try to start the OS and BSoD, or something like that, as I approached the upper limits, not refuse to try the settings at almost no OC.

I can post details later (when I'm back at home), but I'm just looking for basic wisdom on OCing this mobo with the E0 core CPUs. The BIOS seems very reluctant to take OC settings, and perhaps I need to find just the right ones. Or is there a particular BIOS version I need. I could try F5a I notice is available. What's the risk of trying F3a with an E8400 E0? Would my system totally fail to work, or would it be something less serious I might be able to live with.

Also, my memory is rated to run at 2.2v to 2.4v, but this mobo only permits DDR2 OverVoltage to +0.4. Anyone know a way to get +0.6v from a GA-P35-S3G?

I suppose my last resort would be to get a more OC friendly mobo, but I really like the feature set of the S3G - 1 PCIE, lots of PCI slots and a parallel port are just what I wanted.

Cheers and thanx in advance, Pum.
 
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Try putting the ram on 800Mhz instad of 1066, if the ram is the problem, then that will do. Try that with your current bios first, set everything manually, put 1.2500V on CPU, put the timings manually and try.
 

Pum

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Processor Intel E8400 E0 3GHz @ 4.0GHz (444x9) stable, 4.4GHz (489x9) max.
Motherboard Gigabyte P35-S3G F5b BIOS + 40mm fan on MCH
Cooling Zalman CNPS 9700 (Core temp 46c @ max load @ 4GHz)
Memory Geil Black Dragon DDR2-PC8500C5 (1GBx2) @ 1066MHz (444x2.4)
Video Card(s) Sapphire ATI HD 4850 Dual Slot Cooler (64c @ max load)
Storage Seagate SATA2 500GB 7200rpm 32MB cache
Display(s) Dell 3007WFP 30" (2560x1600)
Case Antec Three Hundred + 2 x 120mm front fans
Audio Device(s) 5.1 on mobo
Power Supply Corsair TX 650W
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Benchmark Scores SuperPi 1M 11.797s @ 4GHz (444x9). Max CPU 4.4GHz (489x9), Mem 978MHz (489x2).
I tried the Mem multi on x2.4 (just over 800MHz when I tried 340MHz system clock) and x2.0 (well under 700MHz) and no joy. The RAM is rated to run at 1066MHz and 2.2v to 2.4v. I don't know if that mean you have to run it at those voltages to acheive high speeds, but as I was only running a tad over 800MHz I reckon the 1.8v, 2.0v and 2.2v I tried should have been enough. I also tried very loose timings on the memory, and locking the CPU at x6 (my first goal was to find the limit of the memory without overstressing the CPU), all with same results :(
 
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Sounds like a board issue, not ram or cpu...try the F5a beta one, it might help.

Also, did you flash with QFlash utility or with @bios? Cos that @bios is not good, it messes up.
 
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InnocentCriminal

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Unlucky man, I'd be really disappointed if I started to build a rig with (mild) OC'ing in mind and then not really having any joy. So, I feel your pain. I know it's a stupid statement but an obvious one, not all components are equal or have the same potential (which you've basically stated with the E and C steppings) so you may be one of the really unlucky ones that can't actually get anywhere.

What you could do (funds permitting) is purchase another board or a different brand, same chipset and see how that goes, if you get the same or a similar experience then you can rule out the board.

Even though it's not my machine, I am genuinely down that you can't OC past stock. Does the system work fine at stock? It's a shame to see the Black Dragon's not being able to show their stuff, they're really good modules and can give out some pretty tasty overclocks when paired with the right board.

I really do hope you can get a decent OC eventually, maybe you could try OC'ing in Windows instead of in the BIOS, not really the best option but one you could always try.

Good luck and keep us posted!
 

Pum

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Location
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Processor Intel E8400 E0 3GHz @ 4.0GHz (444x9) stable, 4.4GHz (489x9) max.
Motherboard Gigabyte P35-S3G F5b BIOS + 40mm fan on MCH
Cooling Zalman CNPS 9700 (Core temp 46c @ max load @ 4GHz)
Memory Geil Black Dragon DDR2-PC8500C5 (1GBx2) @ 1066MHz (444x2.4)
Video Card(s) Sapphire ATI HD 4850 Dual Slot Cooler (64c @ max load)
Storage Seagate SATA2 500GB 7200rpm 32MB cache
Display(s) Dell 3007WFP 30" (2560x1600)
Case Antec Three Hundred + 2 x 120mm front fans
Audio Device(s) 5.1 on mobo
Power Supply Corsair TX 650W
Software WinXP
Benchmark Scores SuperPi 1M 11.797s @ 4GHz (444x9). Max CPU 4.4GHz (489x9), Mem 978MHz (489x2).
Yeah, this is my first Gigabyte mobo. Previously pretty much used Asus, including on my Northwood and Barton OCed systems. I went for Gigabyte because from my research they seemed to now be about as good as Asus and the feature set looked good, especially the save/load CMOS profiles feature.

trying F5a BIOS is on my list of things to try. The mobo came with F4 on it out of the box, so I haven't flashed it at all yet. i know not to use @Bios, cheers.

I really don't think I'm hitting the OC limit of the CPU or memory. Intel CPUs will always OC at least 10% - usually good for at least 21% is the rule of thumb (from a friend how has his own PC company and has OCed literally hundreds of CPUs.) All seems to work fine at stock. I don't think it's a limit of the mobo either, as some have got it to over 4GHz with an E8400. Whilst there is some variation between individual pieces, I can't believe one will do 33% OC and another will only do 1%. From reading everything I can find about OCing this mobo (yes, I have very little to do at work :p ) I do get the impression this particular model mobo can be a bugger to OC.

Yeah, I thought about getting another mobo, which is on my to try list, but obviously I'm going to try everything I can with this one first. I picked the Black Dragons because i read a lot of good thiings about them, and they were cheap too! I don't even particularly want to OC them, just use what they're supposed to do - ie: 1066MHz.

I'll try your suggestions Modder. Yeahm, I've read that Gigabyte OCing Guide - 'tis good.
 

modder

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hi Pum, IMO F5a is a beta bios possible bugs unknow. i suggest you never use @Bios ,QFlash utility (F8 on bios) is more secure and after flashing bios load optimized bios.
hidden bios settings .If you press CTRL+F1 on the main bios screen it unlock some xtra settings:D
personally gigabyte is a very good choice.there are many gigabyte forum more than asus.Welcome to the gigabyte club .
 
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Try that "beta" bios, I'm using one right now with my EP35-DS3L and zero probs with it.

Don't let it down with the OC, I spended many hours stabilizing my OC system, at some points It seemed that one of the hardware was failing, but "playing" with the options I'll manage to get 3.9GHz from my baby e8200.

Gigabyte is a VERY descent manufacturer company, I tried many of their products and I'm very happy with the results....just an advice that many TPU members will give you.

:)
 

Pum

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Processor Intel E8400 E0 3GHz @ 4.0GHz (444x9) stable, 4.4GHz (489x9) max.
Motherboard Gigabyte P35-S3G F5b BIOS + 40mm fan on MCH
Cooling Zalman CNPS 9700 (Core temp 46c @ max load @ 4GHz)
Memory Geil Black Dragon DDR2-PC8500C5 (1GBx2) @ 1066MHz (444x2.4)
Video Card(s) Sapphire ATI HD 4850 Dual Slot Cooler (64c @ max load)
Storage Seagate SATA2 500GB 7200rpm 32MB cache
Display(s) Dell 3007WFP 30" (2560x1600)
Case Antec Three Hundred + 2 x 120mm front fans
Audio Device(s) 5.1 on mobo
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Benchmark Scores SuperPi 1M 11.797s @ 4GHz (444x9). Max CPU 4.4GHz (489x9), Mem 978MHz (489x2).
Well I've got a lot of suggestions to try, when I get enough time, including the beta BIOS. I'm not so worried abut the effort of stabilising my system. I'm dissappointed and frustrated that I can't even get an unstable OC to try to stabilise. It won't even try to boot at 2% OC settings - feels like it is being plain awkward! My old Northwood/Asus rig would at least try to boot the OS at any vaguely reasonable setting. This Gigabyte board seems like it takes one look at the new settings, decides it doesn't like them, and just chucks them out without even trying to POST and boot with them.
 

Pum

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Processor Intel E8400 E0 3GHz @ 4.0GHz (444x9) stable, 4.4GHz (489x9) max.
Motherboard Gigabyte P35-S3G F5b BIOS + 40mm fan on MCH
Cooling Zalman CNPS 9700 (Core temp 46c @ max load @ 4GHz)
Memory Geil Black Dragon DDR2-PC8500C5 (1GBx2) @ 1066MHz (444x2.4)
Video Card(s) Sapphire ATI HD 4850 Dual Slot Cooler (64c @ max load)
Storage Seagate SATA2 500GB 7200rpm 32MB cache
Display(s) Dell 3007WFP 30" (2560x1600)
Case Antec Three Hundred + 2 x 120mm front fans
Audio Device(s) 5.1 on mobo
Power Supply Corsair TX 650W
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Benchmark Scores SuperPi 1M 11.797s @ 4GHz (444x9). Max CPU 4.4GHz (489x9), Mem 978MHz (489x2).
Well I haven't had time to try much, but yesterday evening I did have a bit of time and decided to try EasyTune. To my surprise it worked, and I easily got the CPU up to 4.1GHz (456x9) and memory up to 1094MHz (456x2.4)! I've tried lots of settings in the BIOS with no success, but EasyTune was a breeze. Will do more testing when I get some more time.

EDIT: in answer to following question and avoid wasting more space on a new post - that is with F4 BIOS that came on the mobo out of the box. I will still probably try the newer BIOS at some stage as part of my further investigations.
 
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InnocentCriminal

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Was this with the current BIOS or did you update at all?
 

Pum

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Location
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Processor Intel E8400 E0 3GHz @ 4.0GHz (444x9) stable, 4.4GHz (489x9) max.
Motherboard Gigabyte P35-S3G F5b BIOS + 40mm fan on MCH
Cooling Zalman CNPS 9700 (Core temp 46c @ max load @ 4GHz)
Memory Geil Black Dragon DDR2-PC8500C5 (1GBx2) @ 1066MHz (444x2.4)
Video Card(s) Sapphire ATI HD 4850 Dual Slot Cooler (64c @ max load)
Storage Seagate SATA2 500GB 7200rpm 32MB cache
Display(s) Dell 3007WFP 30" (2560x1600)
Case Antec Three Hundred + 2 x 120mm front fans
Audio Device(s) 5.1 on mobo
Power Supply Corsair TX 650W
Software WinXP
Benchmark Scores SuperPi 1M 11.797s @ 4GHz (444x9). Max CPU 4.4GHz (489x9), Mem 978MHz (489x2).
Had very little time to test yesterday evening, but did install EasyTune 6, which is easier and clearer to use than EasyTune 5. Using EasyTune I explored the limit of my mobos FSB. Set CPU to x8 and memory to x2.0. Acheived 490MHz FSB OK and ran SuperPI 1M. 500MHz locked the system. No time to stability test, but this is consistent with reviews of entry level P35 boards which reckon 480MHz or so is generally their FSB limit.

I also used EasyTune to run my target settings of 445MHz FSB with CPU @ x9 and memory @ x2.4. In BIOS basic memory timings set to 5-5-5-15, and advanced memory timings to auto. I noted down all the reported memory timings in Everest and MemSet, and plan to try manually setting to these values in the BIOS.

Hope to get time this weekend to test more extensively. On the todo list are stability testing and BIOS upgrade from F4 to F5a.
 

Pum

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Processor Intel E8400 E0 3GHz @ 4.0GHz (444x9) stable, 4.4GHz (489x9) max.
Motherboard Gigabyte P35-S3G F5b BIOS + 40mm fan on MCH
Cooling Zalman CNPS 9700 (Core temp 46c @ max load @ 4GHz)
Memory Geil Black Dragon DDR2-PC8500C5 (1GBx2) @ 1066MHz (444x2.4)
Video Card(s) Sapphire ATI HD 4850 Dual Slot Cooler (64c @ max load)
Storage Seagate SATA2 500GB 7200rpm 32MB cache
Display(s) Dell 3007WFP 30" (2560x1600)
Case Antec Three Hundred + 2 x 120mm front fans
Audio Device(s) 5.1 on mobo
Power Supply Corsair TX 650W
Software WinXP
Benchmark Scores SuperPi 1M 11.797s @ 4GHz (444x9). Max CPU 4.4GHz (489x9), Mem 978MHz (489x2).
Updated to F5b BIOS. Tried lots of OC settings but no improvement on F4. Can't even get a 10% OC to 367 FSB - I expected it to do that on all AUTO settings. May try F5a but don't have lots of time to test.

Yeah, I read EasyTune 6 is not for P35, but it seems to work OK, and EasyTune 5 is so awful to use. Only doing a little testing with it so far.
 

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Sorry to hear it's not going better than expected.

You'll get there!

:rockout:
 
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