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x299 steel legend resizeable bar
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cormsok View Drop Down
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Joined: 21 Jun 2021
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    Posted: 21 Jun 2021 at 7:10pm
Hi I have the x299 steel legend motherboard . I'd like to know if there is a bios update to enable resizeable bar for a 3070 nvidia graphics card.
I'd also like to find out the procedure to enable it in the bios.
Any help appreciated.
Thanks you
Regards Cormac
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cormsok View Drop Down
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Can anyone from Asrock support help me with this please?
Regards Cormac
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Points: 8952 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ASRock_TSD Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2021 at 6:27pm
Hi Cormsok,

Thank you for your post.

Please update the BIOS P1.30G for the CAM function. The BIOS file's download link is as below.

X29STLG1.30G

After updating BIOS, please follow the instructions below to enable "CAM".

1.boot into BIOS and Go to Advanced\chipset configuration
2.enable "Above 4G" and "CAM"
3.Disabled "CSM".

Please make sure you are using the AMD RX6000 series or the NVIDIA 30 series with the vBIOS which supports Resizable BAR.

I linked the instant flash SOP as below.
https://www.asrock.com/support/BIOSIG.asp?cat=BIOS8

If you have other questions, please feel free to contact us.

All the best,
ASRock TSD
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Gsa90 View Drop Down
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Does the bios update 1.50 contain the resizeable bar option?
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Fireares View Drop Down
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Originally posted by Gsa90 Gsa90 wrote:

Does the bios update 1.50 contain the resizeable bar option?


I don't see the Rebar/cam option under 1.50. Any luck since so many years?

Official support team, any update on this??

Thank you!
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Xaltar View Drop Down
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Points: 37693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 10 minutes ago at 2:47am
You will have to open a support ticket for this kind of issue. ASRock TSD does
post here, as you can see above, but not frequently. This is primarily a community
forum for users to help each other and for ASRock to check for common issues that
need resolving.

You can contact ASRock Tech Support directly here:
http://tw.asrock.com/events/tsd.asp
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Fireares View Drop Down
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Points: 60 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Fireares Quote  Post ReplyReply Direct Link To This Post Posted: 11 hours 54 minutes ago at 3:03am
Originally posted by Xaltar Xaltar wrote:

You will have to open a support ticket for this kind of issue. ASRock TSD does
post here, as you can see above, but not frequently. This is primarily a community
forum for users to help each other and for ASRock to check for common issues that
need resolving.

You can contact ASRock Tech Support directly here:
http://tw.asrock.com/events/tsd.asp


Thank you for following up on this. I created a support ticket for this earlier, but the support response wasn't helpful. I suspect that was generated by bot behind the scene. Those were surface level support guidance that I have tried and followed. e.g. go to bios and disable cms and enable above 4g. I have mentioned this in the support ticket already. Not sure how this can move further like this if there is no real expert on the other side. Any other resources that I am not aware of by any chance?

Thank you so much again for your reply.
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Xaltar View Drop Down
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Joined: 16 May 2015
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Points: 37693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 10 hours 59 minutes ago at 3:58am
The BIOS provided by ASRock_TSD can still be found here:
https://botflakes.de/asrockwiki/bios/intel/

The site is maintained by one of our forum members and contains quite a few beta
BIOS files that are no longer available anywhere else.

1.30G is a beta BIOS that likely added support for resizable bar/CAM specifically.
Unfortunately, if you are not using the same board it won't work for you.

It may be worth trying some of the X.XXB BIOSes uploaded around the same time
if your board has one available on the site I linked. Typically any letter after
the BIOS version indicates a beta BIOS.

I am afraid that is all I can do for you on my end, I am just a moderator and
don't speak for ASRock.
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