Solved Why 256mb NVIDIA 7300LE 256MB in Win XP but 128 in Win 7

P4m80p / Awrdacpi
November 18, 2018 at 03:53:17
Specs: Windows XP, Pentium D
Dell Dimension 9150/DXP051 Pentium D
Dual boot Windows 7 and Windows XP
NVIDIA 7300 LE pci-e video card 256MB

Problem: in Windows XP System Info table, the card shows up as 256MB
But in Windows 7, its 128MB
Any ideas why?
Latest drivers have been installed

I know its an old pc but it works for me just fine

See More: Why 256mb NVIDIA 7300LE 256MB in Win XP but 128 in Win 7

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November 18, 2018 at 06:54:20
✔ Best Answer
Do you know for sure that it has 256MB memory? The 7300 LE uses turbocache technology meaning it "borrows" system RAM. Could it be the card only has 128MB dedicated memory + 128MB shared memory?

From the 7300 LE FAQs:

"You will see a lot of GeForce 7300 LE-based cards with 128MB of on-board memory, supporting 256MB of memory in a 512MB system. You will also see GeForce 7300 LE-based cards with 256MB of on-board memory that support 512MB of memory in a 1GB system."

Make sure you're using this driver for WinXP:
Here's the Win7 32-bit driver:
Here's the Win7 64-bit driver:

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November 19, 2018 at 19:36:22
riider, sorry about delay, been a bit busy.
I'm already familiar with the info you provided but thanks anyway.
Will let you know in a day or 2

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November 21, 2018 at 13:11:32
riider, I looked at the card, couldnt find 256mb anywhere let alone anything at all (256 must have come from another card i was trying out).
But anyway, i used the numbers on the PCB to discover that it is in fact 128mb.
Further more, when i went back into Windows XP, it says 512mb.
I'll look for another card.
Thanks for your help.

message edited by Peter0188

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