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Beginner
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DH82Z87 - Weird memory ranges reported in Device Manager

Hello All,

Looking at Device Manager in Windows 7 and it shows the following -

As you can see it show that between the memory ranges of 0xC0000000 - 0xFEAFFFFF to be the range that is forwarded onto the PCI bus, but then if I click on one of the "motherboard resources", say for example the one listed between 0xFED18000 - 0xFED18FFF, it shows -

It shows the location for this to be on the PCI bus.

How can this be on the PCI bus if the addresses forwarded onto the bus are between 0xC0000000 - 0xFEAFFFFF?

Either these motherboard resources aren't on the PCI bus or the memory range 0xC0000000 - 0xFEAFFFFF is wrong. I assume Windows is getting these memory ranges from the ACPI DSDT table which is written by Intel.

So I was just wondering if anyone could explain why it is displayed like this.

Any help would be appreciated,

Thanks.

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Employee
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Thanks for joining the community.

I regret to inform you that I was unable to download the pictures, please post them again and I will try to investigate this matter.

Allan.

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Beginner
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Thanks allan_intel,

I have attached the images to the post.

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Employee
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Thanks for the information; I would need more details about your system configuration. Please provide motherboard model number. If you have an Intel(R) motherboard, the model number is located near memory slots, see information below about motherboard identification:

http://www.intel.com/support/motherboards/desktop/sb/cs-010687.htm http://www.intel.com/support/motherboards/desktop/sb/cs-010687.htm

Allan.

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Beginner
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Thanks allen_intel,

My MB is a GIGABYTE Z87-HD3.

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Employee
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Thanks for the information.

At this stage, since this memory resources issues for your Gigabyte computer, I recommend trying to perform BIOS update from the board maker, or check their support for issues reported with your motherboard model.

I give you the link for Gigabyte support; there you can submit a ticket:

http://www.gigabyte.com/support-downloads/support-downloads.aspx?RWD=0 http://www.gigabyte.com/support-downloads/support-downloads.aspx?RWD=0

Allan.

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