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2 Posts

06-08-2020

Singapore

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A485 New BIOS change dedicated VRAM

2020-06-08, 7:41 AM

I have upgraded BIOS to v1.31. Release note (https://download.lenovo.com/pccbbs/mobiles/r0wuj63wd.txt) states:

 

[New functions or enhancements] - Added enable users to change video memory in BIOS.

 

But I can't find it in BIOS. Could you guide how to increase VRAM to 2Gi?

 

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2 Posts

03-27-2021

Czech Republic

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Re:A485 New BIOS change dedicated VRAM

2021-03-27, 19:39 PM

Same problem here. Updated even to 1.33 and can't do anything about VRAM size. I am using Linux as OS so there is no way to run any Windows Radeon tools or modify registry.

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49 Posts

02-12-2016

Colombia

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Re:A485 New BIOS change dedicated VRAM

2021-03-28, 16:28 PM
Look for Config > Display > UMA Frame Buffer Size. It may not exist, I use a different TP model. 2 GB was the default in my case, I chaged it to 1 GB.
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2 Posts

03-27-2021

Czech Republic

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Re:A485 New BIOS change dedicated VRAM

2021-03-29, 9:11 AM

Found it. Name and values are slightly confusing as it is advertised the GPU can use up to 4 GB of memory however it does not work exactly this way - as far as I found up to 1 GB is truly dedicated and another 3 GB are GART/GTT which is causing some demanding applications to crash with "out of memory". Too bad we can not really dedicate more VRAM then :(

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