5 Replies Latest reply on Sep 21, 2016 12:22 PM by Intel Corporation

post code 40

dcheser698 Sep 16, 2016 6:28 AM

Intel Dz77ga-70k board and I7 2600k cpu setup.

I have all options for sleep mode, hybrid sleep mode turned off in the operating system. I have the hard disks set to never turn off as well. Not everytime but sometimes when i turn on computer (from completely powered off state) it shows post code 40.

It has also done this just from screen timeout ?????

1. Re: post code 40

Al Hill Sep 16, 2016 6:34 AM (in response to dcheser698)

Your processor is not supported on Windows 10: I have the Dz77ga-70k board and second gen cpu i7 2600k. I have windows 10x64 installed without any chipset software. Can I or should i use the chipset for 8.1x64. Or is there i chipset for Windows 10 (unable to find it).

Doc
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2. Re: post code 40

N.Scott.Pearson Sep 16, 2016 12:42 PM (in response to Al Hill)

POST Codes in the 0x40-0x4F range are reserved and thus any usage is not documented. It may be that a developer left debug code in the BIOS (though it's scary that it is hanging at this code). Regardless, it is not documented and the BIOS developers are long gone (Intel exited the Desktop Boards business years ago) so we cannot ask them what it means. My best guess, based upon your other postings, is that you are seeing a problem related to memory initialization. Again, just a guess; there are a lot of possibilities...

Not sure I have helped much here...
...S
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3. Re: post code 40

Sep 19, 2016 2:47 PM (in response to N.Scott.Pearson)

This message was posted on behalf of Intel Corporation

Hi Dcheser698,

Since your system doesn’t support Windows® 10 I recommend you to try any of the compatibles OS.
Supported Operating Systems for Intel® Desktop Boards:
http://www.intel.com/content/www/us/en/support/boards-and-kits/desktop-boards/000005640.html
Supported Operating Systems for Intel® Graphics Products:
http://www.intel.com/content/www/us/en/support/graphics-drivers/000005526.html

If there is anything else you need, please let me know.

Regards,
Hellen.
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4. Re: post code 40

dcheser698 Sep 20, 2016 10:04 PM (in response to dcheser698)

I may have (by posting different issues caused confussion) as it applies to some of my problems.
I am aware that windows 10 is not supported i just more or less have it installed to see if i like it.
My system is setup to boot into windows 7, 8.1, and 10. Each Operating system is on its own ssd. when booting to one OS i remove the sata cables from other two ssd.

This particular problem (post code 40 after startup or screen timeout does this with windows 7 and 10. I am hoping it is related to memory issues i am having and after buying supported memory it will fix this.
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5. Re: post code 40

Sep 21, 2016 12:22 PM (in response to dcheser698)

This message was posted on behalf of Intel Corporation

Hi Dcheser698,

Thanks for clarifying, let me know how it goes with the new memories, on Windows® 7.

Regards,
Hellen.
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