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Resizable BAR support for X299
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Uggis007 View Drop Down
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Joined: 12 Jun 2021
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Points: 35 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Uggis007 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jun 2021 at 6:05am
Is it possible to get the bios update for the x299 OC Formula ?
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badaz View Drop Down
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Points: 90 		Post Options Post Options   Thanks (0) Thanks(0)   Quote badaz Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2021 at 6:53pm
Above 4G is enabled is BIOS too
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badaz View Drop Down
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Points: 90 		Post Options Post Options   Thanks (0) Thanks(0)   Quote badaz Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jun 2021 at 6:52pm
Hello,

thank you for your quick answer. I flashed the 2.00B Bios you sent me, then followed your insturctions, however, whenever I enable C.A.M support in Bios (having disabled CSM as well), I get 5 long beeps on next reboot and I have to clear the Bios before the system can boot normally again. My GPU is an MSI RTX 3080 Ventus 10GB OC, and I have flashed the latest Bios for it (with resizable support). GPU-Z reports that GPU hardware support for Resizable BAR is enabled. Actually in the GPU-Z "PCIe Resizable BAR" section, every flag is "yes" (except for "Resizable BAR enabled in BIOS" which I cannot enable without getting the 5 long beeps problem). Are you aware of this problem ? My CPU is an i7 7740X. Thanks
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ASRock_TSD View Drop Down
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Hi badaz,

Thank you for your post.

Please update the BIOS P2.00B for the CAM function. The BIOS file's download link is as below.

https://drive.google.com/file/d/1BRzgtZZL0IsmCqumz9SQYMAe19MT4OgV/view?usp=sharing

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

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

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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Raggz View Drop Down
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Points: 82 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Raggz Quote  Post ReplyReply Direct Link To This Post Posted: 17 Jun 2021 at 10:27pm
Support sendt me a new bios for my x299 taichi. Now i have Resizeable BAR working. :)
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badaz View Drop Down
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Originally posted by Gamer313 Gamer313 wrote:

The C.A.M. option doesn't show up if 'Fast Boot' is enabled.

My understanding was that 'Fast Boot' didn't use CSM, and since 'Fast Boot' hides the CSM option, it cannot be disabled.

Otherwise, C.A.M. works as expected.


I do not have the same motherboard as you. However, I'd like to know Asrock's stance on the subject, juste like you, since I own an X299 board as well, the X299 Killer sli/ac. Please Asrock? Could you tell us what your plans are for the other X299 cards for which there is no Resizablebar enabled BIOS available yet?
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Raggz View Drop Down
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Points: 82 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Raggz Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jun 2021 at 12:21am
I would like bios for x299 Taichi to
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Gamer313 View Drop Down
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Points: 160 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gamer313 Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jun 2021 at 7:31am
The C.A.M. option doesn't show up if 'Fast Boot' is enabled.

My understanding was that 'Fast Boot' didn't use CSM, and since 'Fast Boot' hides the CSM option, it cannot be disabled.

Otherwise, C.A.M. works as expected.
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badaz View Drop Down
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Points: 90 		Post Options Post Options   Thanks (0) Thanks(0)   Quote badaz Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2021 at 9:06am
Hello, do you have a link for a BIOS with Resizablebar support for the X299 Killer SLI/ac ?

The most recent bios version available on the support site is 2.00 and dates back to 2019/11/29.

If it does not exist yet, do you plan on release one with Resizablebar support anytime soon ?
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Gamer313 View Drop Down
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Points: 160 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gamer313 Quote  Post ReplyReply Direct Link To This Post Posted: 06 Jun 2021 at 2:24am
Never mind.

The bit after the last '/' needed to be removed.

Link works fine.
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