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Help: Asus Rampage IV Extreme (RIVE) #24
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You can also use AMIBCP to set 4G decoding ACCESS to USER but the method in "Enabling hidden 4G decoding" is typically safer. |
I dont know AMIBCP and i cant find it. |
@1337-537h then use that method |
Sorry my mistake i mean i CAN NOT do that method. |
RIVE-4901-NVMEBAR-4G.zip |
Thanks but your file is in *.rom file. |
Try the ASUS Bios Renamer for USB BIOS Flashback 1.Put Bios file and Bios renamer in same folder |
OK thanks i"ll try it. |
it'll just change the file name to R4E.CAP anyway. modified bios files cannot be flashed from inside the bios, or any windows tool, only via flashback port/button on the back. |
My motherboard is also rampage iv extreme, when I enable above 4g decode, I can't get into the BIOS when I boot, I just get a black screen, I can't select the boot drive, it shows boot0af:error |
How did you enable above 4g decode? |
It's the tutorial in the Wiki, you have to note that the USB drive has to be in gpt format and choose uefi boot, but the modification didn't help, I was going to install Hackintosh |
@post7794 make sure everything CSM/legacy is off or set to UEFI only What GPU do you have ? |
rx560 |
@post7794 is it on the stock vbios ? GCN/Polaris GPUs commonly have problems with GOP that are fixed by restoring original VBIOS or updating GOP |
Thanks, I'll give it a try |
Closing due to inactivity |
bonjour petit déterrage. J'ai une rampage iv extrême avec un Xeon e5 1680V2, 32GB DDR3 2400MHZ et une RX5700XT THICC III. |
@franckythebest english please (translator is ok) |
hello little deterrent. I have an extreme rampage iv with a Xeon e5 1680V2, 32GB DDR3 2400MHZ and a RX5700XT THICC III. |
@franckythebest same as #48 |
Hi everyone, I registered on this forum because of this posts I had the same problem with rbar and 4g above decoding on rampage 4 extreme. I spent a lot of time trying to solve the issue, and it was easier than you might think. Let me just say that from what I finally saw in the hidden menu in the BIOS, the Asus Rampage was a really serious server motherboard. It has an overclocking section called Extreme Tweaker added to the BIOS, and the main one is hidden, so it became Rampage 4 Extreme. Here's something interesting: Back then and now, Windows titles old systems like mine as PCI bus, but in this case, it's recognized as PCI root complex (which is PCI 4.0 5.0) video adress is 00003FF800000000 - 00003FFBFFFFFFFF(35,184,372,088,832-35,184,372,090,495) (seriously, this motherboard became a beast :D).a lot of modern systems with 3080 are around 0000007800000000 - 0000007BFFFFFFFF(2,147,483,648-2,147,483,647) Since I didn't do DSDT patching, I just followed the steps for importing the rbar element (thanks @xCuri0). Let me just add that in our BIOS (since it's quite different with this hidden menu from the regular one), the values from the patch are distributed in several bodies (as you can see in picture 2). The command (setup_var) doesn't work because above 4g decoding has administrator rights once, and the second time it's in the hidden menu, something gets confused and the screen goes black. You need to use \AMIBCP-4.53.0050, and extendend user not a regular user. If you open it as the first option, after activating 4g x.m.p, it stops working. I've been trying to do this for years, now I wanted to explain the steps to you so you can do it yourself, but... :), but come on :) So I'm uploading the BIOS without the unlocked menu (because there are settings there that you shouldn't play with). In this menu, 4g is activated by default and as an extended user, and it should work with xmp. I don't know if it works because Iм not close to my computer yet, but the only thing that can happen is xmp not working (everything else should be perfect). If that happens, I'll send you the dangerous BIOS (in picture 3 I show some of the things inside). I hope this helps you guys. I'm personally happy that the system is finally working. |
If you are interested, I can provide the latest R4E bios with all the fixes, nvme driver, rebar, hidden menu. it is extremely stable. my e5 2697v2 holds 114mhz with the "extreme tweaker" settings in auto except for the vccsa which must be set to 1.1v. |
@franckythebest @dimitrogen can you just upload bios file ? I Have e5-2697v2 on Asus Rampage 4extreme (my pc&english knowledge is so poor) |
link at the end of my first post from google drive.... |
If you dont mind i can try it...:) i dont make DSDT... This post says i dont need it if my nubmers in divice manager bigger |
yes my bios has DSDT with correction of filling errors, maxpayload and maxreadrequest do you have a tutorial and what is the point? you have a normal i7 that you use the multiplier to increase the cpu frequency. the xeon e5s are all blocked except the 1600 series. my e5 2697v2 being blocked, I use BCLK despite everything this cpu is a beast of performance. |
@franckythebest |
do these actually make a difference in gaming performance ? seems like it's mostly used for compute tasks limited by PCIe bandwidth ? atleast my rx 580 only supports maxpayload going up to 256 bytes and is already set to that on a ivy bridge consumer b75 and you can manipulate those settings on consumer motherboards too through registers (like we do for rebar) if anyone wanted to. |
Hi! In the hidden menu of my motherboard, the two settings are from 256 to 4096 (these settings are usually server settings and are well-coded in the BIOS, so I'm not sure if changing them through the registers will have any effect).These commands are at a higher level than Above 4G, which cannot be activated by itself, not with reg, and before the BIOS (setup var) in my scenario :)... Otherwise, how much better are compute tasks limited by PCIe than games (of course, there are such other tasks) To be honest, yesterday I managed to unlock everything correctly in my BIOS (because I dare to assume that here (Adding FFS module · xCuri0/ReBarUEFI Wiki (github.com)) some steps need to be added at least for Rampage. More precisely, it should be added that the values that are patched in the patch can be 4 (for example), but they exist in different bodies(same value in 4 different bodys) and if you extract only one body and the other with this value does not - you get boot errors and incomplete compatibility problems with the voltages all kind of stuff.(note this is my opinion!) but now with that method no problem with voltages no problem with xmp no problem with anything)and i thing with other bioses is the same... I played around with this a lot and didn't have to make a DSDT and at the end all perfect 64gb bar i scared to try 128:). As I said, I unlocked the BIOS yesterday and very quickly changed the settings. Personally, I have set maxpayload and maxreadrequest to 1024 4096,(2048 4096 pci3.0 limit) and the difference for me at least (I haven't looked in detail) is that, for example, when there are stutters in a game (I only tested one before loading the payload :) ), the processor load seems to increase somehow and the stutter itself is much smoother on the moments flat,you feel it a litle but dont see a lot... and the frame representation is more responsive. Maybe I'm just imagining things. Excuse me for the inconvenience, can I ask you - I can't find and I don't know if there is an article on how to change BAR 0 and BAR 2-Can you point me? Thank you in advance. |
my card is an rx5700xt |
@dimitrogen have you checked using lspci on linux that the gpu supports and uses larger read/payload sizes ? |
@xCuri0 Overall, settings below 256 are default settings that take into account that the PCI-E bus on motherboards with hidden 4G decoding does not have such bandwidth. Theoretically, increasing these values simply optimizes the better performance of PCI-E, taking into account the increased bandwidth capabilities. Increasing the ReadRequest can allow the PCI-E bus to request larger chunks of data at once MaximumPayload can allow the PCI-E bus to transfer larger chunks of data at once.By increasing these settings, you can potentially improve the performance of your PCI-E devices. However, it is important to note that: |
@franckythebest |
System
I cant find 4G decoding in my bios.
Propablyt it is hidden.. but i lost when i trying this guide "Enabling hidden 4G decoding"
What can i do?
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