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Old 07-05-2014, 01:14 AM   #1
cbn
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Default What motherboards have Non-Z overclocking enabled for Pentium 3258?

Here are some models I have been able to find info on:

ASUS H81M-PLUS (Micro-ATX): OC to 4.2 GHz @ 1.24 volts, see post #230.

ASUS H81M-D (Micro-ATX): OC to 4.3 Ghz at 1.15 volts, see post #171.

ASUS H81M-C (Micro-ATX): OC to 4.6 GHz at 1.3 volts, see post ---> http://forums.anandtech.com/showpost...&postcount=147

ASUS B85M-E/CSM (Micro-ATX): See post #231.

ASUS B85M-E (Micro-ATX): OC to 3.8 GHz, see post #159.

ASRock H81M-HDS (Micro ATX): OC to 4.5 Ghz at 1.3 volts, see post #19.

Asrock H81M-ITX (Mini-ITX): 4.2 Ghz at 1.2 volts. See post #102.

ASRock H81M-ITX/Wifi (Mini-ITX) : See page 61 of the owners manual published May 2014 for reference to Non-Z overclock: http://download.asrock.com/manual/H81M-ITXWiFi.pdf)

ASRock H81 Pro BTC (ATX): 4.5 Ghz at 1.25 volts, see post #63. 4.7 Ghz at 1.35 volts, see post #75.

Asrock B85M Pro4 (Micro-ATX): 4.1 GHz at 1.25v, see post #132.

ASRock Fatal1ty B85 Killer (ATX) : Several Newegg reviewers claim Non-Z overclocking was working back in March 2014. Also see forum review from January 2014 in post #38

ASRock H97M Pro4 (Micro-ATX) : See page 70 page of the following owners manual published April 2014 under "4.3 OC Tweaker Screen" for Non-Z overclock--> ftp://66.226.78.21/manual/H97M%20Pro4.pdf )

ASRock Fatal1ty H97 Performance (ATX) :See review dated June 30th, 2014--> http://www.pcgameware.co.uk/reviews/...rboard-review/ )

BIOSTAR H81MHV3 (Micro-ATX): 4.3 GHz @ 1.2 volts, see post #153.

Gigabyte GA-H81M-DS2V (Micro-ATX): OC to 4.39 GHz. See post #26. (Voltage limited to 1.2v by Gigabyte)

Gigabyte GA-H81M-H (Micro-ATX): OC to 4.3 GHz. See post #65 and #112. (Voltage limited to 1.2v by Gigabyte)

Gigabyte GA-H81-D3 (ATX): 4.0 GHz at 1.115 volts, see post #85.

Gigabyte GA-B85N Phoenix-WIFI (Mini-ITX) :Non-Z overclock found in owner's manual, see post #39.

Gigabyte GA-B85M-DS3H (Micro-ATX) : Reported to Non-Z OC Pentium 3258 to 4.3 Ghz, see post #31 and 4.0 Ghz post #14) (Voltage limited to 1.2v by Gigabyte)

Gigabyte H97N-WIFI (Mini-ITX): See post #136, 4.1 GHz at 1.2v

Gigabyte GA-H97M-HD3 (Micro-ATX): See post #46

MSI H81M-E33 (Micri-ATX): [b]4.3 GHz[b], See this review---> http://www.jagatreview.com/2014/08/h...si-h81m-e33/5/

MSI H81M-P33 (Micro-ATX): 4.5 Ghz at 1.3 volts, but compared against other processors at 4.4 Ghz at 1.275 volts ---> http://www.tomshardware.com/reviews/...king,3888.html

MSI B85i ITX (Mini-ITX): 4.6 Ghz at 1.21 volts, see post #221

MSI B85M Gaming (Micro-ATX): Newegg reviewer on 7/31/2014 reports being able to overclock Pentium G3258 with newest BIOS. Also see post #133 with the following result: 4.0GHz at 1.075v.

MSI B85-G43 gaming (ATX) :See post #16, OC was 4.5 Ghz. There is also a video from 2013 in post #6. Glad to see Non-Z overclocking still working on that board in 2014)


Any more motherboard models that could be used for "Non-Z overclocking" Pentium 3258?


P.S. Please note more than one person has had difficulty changing the multiplier on MSI boards from Auto to a multiplier higher than 32 due to the counter-intuitive method used in the BIOS. If you think you cannot change your multiplier on your MSI Non-Z board please read this post ---> [url]http://forums.anandtech.com/showpost.php?p=36561735&postcount=114 .

Last edited by cbn; 12-04-2014 at 08:14 PM.
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Old 07-06-2014, 04:41 PM   #2
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Asus has bios support for their non-z boards. Just updated my bios to support the new pentium g3258.
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Old 07-06-2014, 04:43 PM   #3
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Quote:
Originally Posted by pcsavvy View Post
Asus has bios support for their non-z boards. Just updated my bios to support the new pentium g3258.
Are you able to change the processor multiplier to something above 32 now?
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Old 07-06-2014, 04:48 PM   #4
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Don't own the g3258 at this time. Debating whether to buy the g3258 or I3-4150. My m/b only has 4 power connectors rather than the 8 so I am not sure how stable overclocking would be.
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Old 07-08-2014, 03:09 AM   #5
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I remember I saw a post show msi can also oc with their h97 motherboard

and I think not only asrock, asus, gigabyte also release the new bios for the g3258 cpu
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Old 07-08-2014, 03:22 AM   #6
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I remember I saw a post show msi can also oc with their h97 motherboard
I haven't seen that post, but here is an August 2013 video showing MSI B85-G43 Gaming board Non-Z overclocking:

https://www.youtube.com/watch?v=f8pxPCzXXNs

Also......

Article from July 2013 showing MSI B85-G43 board "Non-Z overclocked ":

http://extremespec.net/intel-core-i5...5-g43-6-1-ghz/


Article from October 2013 demonstrating GIGABYTE GA-H81M-S2PV "Non-Z Overclocking"

http://extremespec.net/gigabyte-ga-h...h81-express/3/

Regarding the MSI boards with Non-Z overclock, I'd have to imagine that feature is still enabled today based on this June 2014 facebook post from MSI:

Quote:
"Did you know that ‪#‎MSI‬ H97, H87 and B85 motherboards could also OC the new Devils Canyon Intel CPU’s? Overclocking is no longer limited to Z97!"

https://www.facebook.com/MSINBCanada...00939179938666
However, I would prefer to get confirmation from actual end users (or reviewers).
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Old 07-08-2014, 04:44 AM   #7
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Quote:
Originally Posted by cbn View Post
I haven't seen that post, but here is an August 2013 video showing MSI B85-G43 Gaming board Non-Z overclocking:

https://www.youtube.com/watch?v=f8pxPCzXXNs

Also......

Article from July 2013 showing MSI B85-G43 board "Non-Z overclocked ":

http://extremespec.net/intel-core-i5...5-g43-6-1-ghz/


Article from October 2013 demonstrating GIGABYTE GA-H81M-S2PV "Non-Z Overclocking"

http://extremespec.net/gigabyte-ga-h...h81-express/3/

Regarding the MSI boards with Non-Z overclock, I'd have to imagine that feature is still enabled today based on this June 2014 facebook post from MSI:



However, I would prefer to get confirmation from actual end users (or reviewers).
here is the link
http://forums.anandtech.com/showthre...0#post36445430
oc bios for h97 pc mate/gaming 3/ guard pro
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Old 07-08-2014, 02:43 PM   #8
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http://thepcenthusiast.com/asus-h97-...ock-processors

Quote:
Asus H97, H87, B85 and H81 Motherboards Can Now Overclock Intel Unlock Processors

June 18, 2014

Asus has recently released an announcement informing us that their latest H97, H87, B85 and H81 Series motherboards has now the ability to overclock 4th Generation Intel Haswell Core K Series (unlock) processors, including the Intel Pentium G3258 Anniversary Edition processor. The announcement didn’t specifically mentioned “Devil’s Canyon” but used the term “Haswell Refresh K Series” which is basically the Devil’s Canyon. Does this mean that Devil’s Canyon is fully supported on the older Z87 Series motherboards and can be overclocked as well? I guess Asus can’t guarantee that as well. Check out Asus’ announcement below, specially the “notes” section.



ASUS today announced that its H97, H87, B85 and H81 Series motherboards are able to overclock the latest Intel® Pentium® Anniversary Edition processor (G3258), 4th-generation Intel Core™ K Series (‘Haswell’) and new 4th-generation Intel Core K Series (‘Haswell Refresh’) processors. The combination of the Pentium Anniversary Edition processor and non-Z chipsets represents the best choice for mainstream overclocking, delving both great value and superb performance.

The overclocking of the Intel Pentium Anniversary Edition processor, 4th-generation and new 4th-generation Intel Core K Series processors have traditionally been limited to Intel Z chipsets. With ASUS H97, H87, B85 and H81 Series motherboards, performance enthusiasts are now able to exploit the overclocking power of those processors via the award-winning ASUS UEFI BIOS.

When a compatible Pentium Anniversary Edition processor, 4th-generation or new 4th-generation Intel Core K Series processor is inserted into an ASUS H97, H87, B85 or H81 Series motherboard, the CPU’s overclocking potential will be detected automatically and the related tuning items to adjust the CPU ratio will appear in the UEFI BIOS.
I wonder what kind of voltage adjustment will be provided to those that own a low end ASUS H81 with three phase VRM?

For a Pentium 3258, I'd imagine allowing extra voltage would be fine for three phase VRMs since there are only two cores to supply.
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Old 07-08-2014, 04:40 PM   #9
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My Asus H81 m/b only supports 3 phase so I am not sure how extreme one can go on o/c'ing. I decided to go with the I3-4150 since I was able to price match and I have a few to many background stuff running while I am watching tv on my computer. I am not sure if I want to risk my parts by o/c'ing at this time.

Besides I had to update the bios anyways to support the Haswell refresh cpu's.
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Old 07-08-2014, 04:56 PM   #10
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Asrock H97 Performance. Pushed my 4770 up to 3.9GHz, can overclock K models too.
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Old 07-08-2014, 05:25 PM   #11
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Asrock H97 Performance. Pushed my 4770 up to 3.9GHz, can overclock K models too.
Thank you very much for letting me know about that one.

http://www.pcgameware.co.uk/reviews/...rboard-review/

Quote:
Now for ASRock’s really clever trick, within the UEFI under the OC Tweaker section we find something that we shouldn’t! An overclocking menu for the CPU, rather cleverly named Non-Z OC. And this allows you to overclock your multiplier on a Non Z based board, clever eh!? This is actually exploiting a loophole in the architecture that was reveled by Intel sometime ago, and to be fair it could be closed via an update to the chipset code or via change to CPUs in the future. But for our Intel 4670K, it worked like a dream…
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Old 07-08-2014, 05:29 PM   #12
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My Asus H81 m/b only supports 3 phase so I am not sure how extreme one can go on o/c'ing.
For two cores, It would probably have worked fine for some decent overclocking under the 95 watt stock cooler. This provided ASUS made extra voltage for the CPU available in the BIOS

Example: Asrock Z97M Anniversary only has three phase power delivery as well (No heatsink on the VRMs either)

Last edited by cbn; 07-08-2014 at 05:32 PM.
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Old 07-08-2014, 11:18 PM   #13
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Asrock H97 Performance. Pushed my 4770 up to 3.9GHz, can overclock K models too.
Wait, you overclocked with a non-Z and a non-K? 3.9GHz is the max turbo for a 4770 non-K. So did you just turn up the turbo to the max?

This isn't a case of raising the bclk slightly either, is it?
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Old 07-09-2014, 12:07 AM   #14
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So with one of the "Newegg July 4th 2014 specials", the G3258 + Gigabyte GA-B85M-DS3H with F6b BIOS, someone from SDwas able to overclock to 4GHz.
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Old 07-09-2014, 09:15 PM   #15
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And now that I've tested the GA-B85M-DS3H myself, I will confirm Non-Z overclockability with this board + F6b BIOS.
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Old 07-10-2014, 03:29 PM   #16
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G3258 at 4.0GHz with an MSI B85-G43 gaming. Might go higher but I'll run it there for a while. I don't game but the price was right at Newegg. The video outputs came with covers on them but they do work.

Just kicked it up to 4.5; only thing I did was adjust the multiplier. Mid 60s running Cinebench with IGP. Will do some more testing this weekend.

Last edited by dbcooper1; 07-10-2014 at 06:34 PM. Reason: clockspeed increase
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Old 07-10-2014, 09:25 PM   #17
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G3258 at 4.0GHz with an MSI B85-G43 gaming. Might go higher but I'll run it there for a while. I don't game but the price was right at Newegg. The video outputs came with covers on them but they do work.

Just kicked it up to 4.5; only thing I did was adjust the multiplier. Mid 60s running Cinebench with IGP. Will do some more testing this weekend.
Sweet I'll mess with that board tonight. What vcore for 4.5GHz? And do you have a good amount of voltage options?
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Old 07-11-2014, 07:24 AM   #18
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Sweet I'll mess with that board tonight. What vcore for 4.5GHz? And do you have a good amount of voltage options?
I don't know- I literally changed the multiplier and tried it. I did flash to the latest BIOS at default setting first though. For $90 for the combo, i'm inclined to leave it where it is until some rainy day when I have time to play with it. Good luck with yours though; I'll check back to see how others do.

Just checked for you; if CPU-Z v1.69 is accurate, it gets unbelievably low at idle and as high as 1.224V with 100% load both cores at 4.5GHz. Temps 62 and 67 per Realtemp v3.67.

Last edited by dbcooper1; 07-11-2014 at 11:03 AM. Reason: additional info
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Old 07-12-2014, 03:30 AM   #19
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For some laughs I decided to mess around with the ASROCK H81M-HDS since I'm probably going to use this mobo for my HTPC. Anyways, this badboy seems more rock solid than the MSI B85-G43 Gaming mobo. Currently priming my best chip batch 3418B976 4.5GHz @ 1.3v (I'm thinking I can drop the vcore some more).
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Old 07-12-2014, 08:46 AM   #20
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Tried a G3258 on an MSI B85M-G43 with latest BIOS (3.7) and no joy. CPU ratio control is locked and the processor can't be overclocked.
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Old 07-12-2014, 09:25 AM   #21
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What does Non-Z refer to?
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Old 07-12-2014, 09:37 AM   #22
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What does Non-Z refer to?
"Z" in this context refers to Intel's overclocking chipsets, Z68, Z77, Z87, and Z97. Some manufacturers have enabled oveclocking on "non-Z" boards, which traditionally was not possible except in a very limited number of cases.
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Old 07-12-2014, 01:01 PM   #23
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...
Thanks crashtech!
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Old 07-13-2014, 12:16 PM   #24
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I can now verify that the Gigabyte H81M-DS2V will overclock the G3258 as long as the BIOS is updated to F4 or above. In my case I went straight to F5. I'm curious to see if this ability extends to other CPUs as well, my suspicion is that it will not. Another observation is that the G3258 booted up fine with the non-overclocking F2 BIOS, but until it was flashed to F5 the multiplier could not be adjusted. I performed the BIOS update using the G3258.
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Old 07-13-2014, 02:46 PM   #25
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I can now verify that the Gigabyte H81M-DS2V will overclock the G3258 as long as the BIOS is updated to F4 or above. In my case I went straight to F5. I'm curious to see if this ability extends to other CPUs as well, my suspicion is that it will not. Another observation is that the G3258 booted up fine with the non-overclocking F2 BIOS, but until it was flashed to F5 the multiplier could not be adjusted. I performed the BIOS update using the G3258.
Thanks for the info.

Have you tried overclocking yet?
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