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I have read lots of topics but i still couldn't lower the hardware reserved memory which is over 1GB

There is only 2.21 GB RAM that is being usable by the OS. I had another computer where the usable RAM was 3.5GB. Though, that was Gigabyte motherboard which has no built-in graphic.

The OS is Windows 7 Ultimate 32Bit

Most of the hardware reserved memory i saw is being reserved for the PCI Express with most of its addresses are being reserved for the AMD Radeon.

enter image description here

You can see that there is the reserved addresses from 90000000 to DFFFFFFF on PCI bus.

I have updated the BIOS but that didn't help. I also tried the Msconfig boot settings to uncheck the maximum memory but it did nothing.

Motherboard is ASUS TUF Z270 MARK 2

Are there any BIOS settings that i can disable to save more RAM?

RCECoder
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    You don’t have a built-in GPU. How do I know this, because you have a Intel Processor, and a AMD GPU. Solution to your problem is to use a 64-bit installation of Windows. – Ramhound Oct 05 '18 at 01:54
  • What i meant by i have is that there is a "port" in the motherboard for it. DVI port but i am not using it. – RCECoder Oct 05 '18 at 01:56
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    Ok; You still have a dedicated GPU. Memory being reserved for hardware is absolutely normal. It’s only using 512 MB by the way. – Ramhound Oct 05 '18 at 02:05
  • Oh, i thought the dedicated GPU has it's own memory. My bad. So the only solution is to use 64bit OS :( – RCECoder Oct 05 '18 at 02:07
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    You actually want maximum memory to be checked. Your GPU has VRAM, but, it still needs system memory. – Ramhound Oct 05 '18 at 02:15
  • Ok that seems reasonable. I have checked the Maximum memory but it doesn't help. I think i will just stick with your solution of installing a 64bit OS. Thanks for your help. – RCECoder Oct 05 '18 at 02:30

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