Windows 10: PC reading wrong DDR2 memory size

Hi,

I've recently replaced a defective memory stick in one of my PCs and now it is reading memory size wrongly. The mobo is a POS-MIQ35AF (skt 775), CPU is a C2Q 9550 (2.83 GHz) and I have 4x2GB Kingston KVR DDR2 modules. Instead of reading 8192 MB it's reading 8064 MB. When I left only 2 sticks it reads 4032 MB... The system is working normally with no BSODs, but it's quite wired...

What may be causing that?

*sarc

:)

 

HP Compaq DC5800 Crashed while doing a "System Restore"

I don't know if this will help, but the memory I am running is 2 full sticks of DDR2 1 gb ram, with 2 half sized sticks of ram, same value as the full sticks.

 

Will Windows 10 only work on motherboards using DDR3 technology or higher but not on DDR2 boards?

You know, I looked at your graphics card specs and I've been wanting to ask someone if I have to buy only DDR2 Graphics cards? Your PC specs are similar to mine and I'm using a DDR2 board like you and my memory is also DDR2 memory but in regards to graphics
cards, do I have to buy only ddr2 graphics cards since my board uses DDR2 technology?

I've been looking all over the net for graphics cards to buy, limiting myself to only DDR2 cards but if your using GDDR3 with no issues, can I buy GDDR, DDR 3, 4, and 5 cards as well with 1 gigabyte of ram instead of the 256 ram?

By the way, what is GDDR compared to DDR? ...this is terminology I just read up on since I've been shopping for video cards.

If this helps, my system uses a Low Profile card.

Your help is appreciated, thank you so much!

PS. Are you running Windows 10 preview on your 2007 system? If so, have you experienced problems of any kind?

 

What does it show in resource monitor under memory tab? It may be subtracting hardware reserved.

 

Sometimes graphics cards use a small part of memory.

 

Yes, I know, but BIOS shows incorrect memory size before loading anything else...

~edit~

What is interesting is that I ran extended memory test for hours without a single error...

*Confused

 

Yes, BIOS reports the memory without the memory used by the graphics card. Check your bios for the size reserved by the internal graphics.

 

I'm using a discrete graphics card. The integrated graphic chip is disabled. Go figure...

*Confused

 

Also try checking maximum memory setting. *Start +R msconfig, on boot tab click advanced and make sure maximum memory is unchecked

 

Thanks you all.

I've just found my missing 128MB of memory. It's shown as hardware reserved in Resource Monitor, but I don't think it's related to video, it's something else... Anyway it's curious that BIOS reports it without the reserved memory.

*Smile

 

Glad you figured it out. Hardware reserved can be a graphics card, sound card or other things.

Enter *Start +R, then enter "devmgmt.msc" without quotes, select Resources by Connection in the View Menu, and expand the Memory node

My source for this is
Blogs - Mark's Blog - Site Home - TechNet Blogs

 

do you run any virtual machines? My win 10 virtual installation reserves that 128 MB for video memory. And i also have a Sapphire Radeon R7 260x discrete gpu.

 

Currently not. I have my OSes running on bare metal.

In my case I realized that the reserved memory is for Intel chipset. So that's all good here !

*Smile

 

Um, are you posting in the right place? What does this have to do with the topic?

 

Oh Oh............. lost like a ball in the tall grass.
I tried to post that in hardware but something when wrong.