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Will I need a bios update on the asus z97 deluxe in order for it to support the i7-4790k?

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June 7, 2014 3:44:53 AM

Hi,
I just ordered the new i7 and the asus z97 deluxe. I am however not vompletely blest on wether the mobo supports the dc-CPUs out of the box or if it needs new bios first? I do not have any other 1150 CPU, so an update might be problematic.

Just to answer the inevitable question: I went for the z97 deluxe because it is the only mobo I can find where all fan headers are controllable in pwm mode in the bios.

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June 7, 2014 3:54:06 AM

paulbatzing said:
Hi,
I just ordered the new i7 and the asus z97 deluxe. I am however not vompletely blest on wether the mobo supports the dc-CPUs out of the box or if it needs new bios first? I do not have any other 1150 CPU, so an update might be problematic.

Just to answer the inevitable question: I went for the z97 deluxe because it is the only mobo I can find where all fan headers are controllable in pwm mode in the bios.


Nope, shouldn't need to. Z97 is designed with devils canyon in mind.
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June 7, 2014 3:59:09 AM

Cool, thanks.
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June 7, 2014 4:01:02 AM

Whether or not you need a BIOS update depends on which version the board ships with and we have no way of knowing which version that will be. You won't know until you've installed the board and go in to BIOS Setup.

Supported CPUs and from which BIOS version each is supported are listed here: http://www.asus.com/Motherboards/Z97DELUXENFC_WLC/HelpD...
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June 7, 2014 8:25:40 AM

OK. I sent an Email to my hardware shop, maybe they can check the bios revision on the box. I guess I can always buy a 30$ celeron and flash the bios, or pay the shop 30 bucks to do it for me...
I guess I'll try first anyway, the bios version page says that the only bios update "improved compatibility with devils canyon and p-anniversary edition", so maybe I will be able to flash with the cpu myself... But thanks for the info!
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June 7, 2014 9:46:16 AM

Ok, I just read the manual and it has the Bios flashback function, which should allow a bios flash without any cpu. So it is no problem no matter what.
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July 6, 2014 3:04:50 PM

paulbatzing said:
Hi,
I just ordered the new i7 and the asus z97 deluxe. I am however not vompletely blest on wether the mobo supports the dc-CPUs out of the box or if it needs new bios first? I do not have any other 1150 CPU, so an update might be problematic.

Just to answer the inevitable question: I went for the z97 deluxe because it is the only mobo I can find where all fan headers are controllable in pwm mode in the bios.


Asus Z97 Deluxe supports I7-4790K since Bios 1008.

From Asus site:
Z97-DELUXE BIOS 1008
1.Enhance compatibility for new Anniversary Edition and Devil's Canyon CPU.
2.Optimize overclocking function and performance for new Anniversary Edition and Devil's Canyon CPU.
3.Revise function description of SVID support item
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August 22, 2014 4:18:02 AM

EZ Flash on the ASUS motherboards allows for BIOS flashing without the need of ever going past the initial boot screen. Hit the delete key and enter the BIOS then flash from a USB flash drive.
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September 26, 2014 2:24:52 PM

I was going to mention the bios ez-flash. I can verify that it works very well by just following the instructions. Make sure you have the latest bios on a flash drive and plug it into the specific usb port on the mobo. Worked like a charm. I did have issues with the i7-4790k at first. After some research I found that the ASUS z97 Deluxe and i7-4790k combination is a little temperamental. Make sure everything is seated properly and you do not overtighten whatever your using to cool the CPU. If all of your RAM is not being read or you are getting a Q-Code of 55 don't write it off as any of the parts being DOA. I have 4x8gb and ended up pulling all of the RAM and then testing each slot with a single stick. I found that 2 of the slots worked fine and 2 slots would give the error, not only the 55 error, but 55 was the most common. After pulling my water pump and CPU then reseating everything and just snugging up the water pump again all 32gb of RAM read in fine. Be patient and do some research if you have any issues. It might save you an RMA and waiting even longer to get your New parts.
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