Howto disable the tlb-fix with CrystalCPU

[justapost]

None of the settings really make a big difference until:
C0010015 is set for 8h and C0011023 is set for 2h at the same time. Then bandwidth drops a lot. Very close to the numbers you posted back a page or 2...

So the BIOS should set C0011023 to 2h when C0010015 is set to 8h. Is that correct?

It's really confusing. Thanks for your answers

I found that I can not enable the fix with crystalcpu with a bios without the fix, that's why I asked how the system behaves with a bios whom can enable/disable the fix.

To be correct it's Bit #2 in reg C10010123 and Bit #4 in C0010015 whom are set if the fix is applied. For now that means 2h/8h as you said.

[JWilson]

When I check C0010015 with the TBL-Fix enabled, the 1st byte is a 1h. If I try to write a 9h to the 1st byte, the system reboots. If I write a 8h, then it works fine, and then reading the 1st byte then shows 9h(8h+1h ) I guess the 8h is masking the 1st bit.....

(I don't remember the whole double word, so I used just the 1st byte)

[justapost]

When I check C0010015 with the TBL-Fix enabled, the 1st byte is a 1h. If I try to write a 9h to the 1st byte, the system reboots. If I write a 8h, then it works fine, and then reading the 1st byte then shows 9h(8h+1h ) I guess the 8h is masking the 1st bit.....

(I don't remember the whole double word, so I used just the 1st byte)

Strange, I looked into the Amd BKDG what bit #1 does and it has todo with SMM configuration registers. Don't know much about SMM mode.

[KTE]

I'll run comparative tests soon at those same settings but why is your system reading Ganged mode again, Achim?

[justapost]

I'll run comparative tests soon at those same settings but why is your system reading Ganged mode again, Achim?

Sorry, only ganged mode is possible on the M3A atm.

[KTE]

OK, no problem. I'll try that then. Just give me some time due to stability testing lowest NB VID/NB voltage and lowest CPU VID/CPU voltage, nearly finished. Then I'll reflash the patched BIOS and test.

[TTE]

I found a very cool program - RW-Everything:
http://jacky5488.myweb.hinet.net/download.html

Installed v0.28 and put the following batch file together. With the command line option in the link the batch file writes the 2x4 values to the msr automatically. This works on my ASUS M2A VM.
I did not understand the syntax of the rdmsr command and how to mask the bits of the eax register. So the batch file simply writes the values without reading and bitmasking them before.


file: TLB_fix_disable_CMD.rw

>cpu 1
>wrmsr 0xc0010015 0 0x01000010
>wrmsr 0xc0011023 0 0x00200020
>cpu 2
>wrmsr 0xc0010015 0 0x01000010
>wrmsr 0xc0011023 0 0x00200020
>cpu 3
>wrmsr 0xc0010015 0 0x01000010
>wrmsr 0xc0011023 0 0x00200020
>cpu 4
>wrmsr 0xc0010015 0 0x01000010
>wrmsr 0xc0011023 0 0x00200020
>rwexit

file: TLB-fix-disable.lnk

C:\Programme\RW-Everything\RW /Command=TLB_fix_disable_CMD.rw /Logfile=logfile.txt

"Programme" is probably "program files" on your computer.

THANK YOU, THANK YOU, THANK YOU! TLB disable on startup is a blessing!

[mnewxcv]

what does tlb fix mean...?

[KTE]

Hi,

Guess i found a way to disable the tlb fix if aod does not work and there is no option in the bios.

Achim: Since this is a sticky, please update the first post. I'll explain what you have to do to completely get rid of the TLB Patch on all MB BIOSes.

Either use the above batch file Mibo suggested

OR

Use CrystalCPUID as you used to do this:
RDMSR 0xC0010015 > WRMSR 0x01000010
RDMSR 0xC0011023 > WRMSR 0x00200020

-Change the first register for 1/4 cores and then switch cores (use top right menu in CrystalCPUID to swap cores, 2/4, 3/4, 4/4), then redo it for each one until you've done it for all the cores.
-Then move on to read the second RDMSR and applying the WRMSR for all cores as above too.

All performance will be back completely even in WinRAR, like totally unpatched BIOS. People were confused about this on what to do and you should add something like this explanation to the 1st post so they see it when looking for it because it'll work.

[justapost]

Have this on my todo list already, same for the M3A thread.

BTW: I saw you have an AutoXpress setting in your bios. Did you check if this has an impact on AOD's yellow vs. red mode behaviour. I've read a note in an german forum that the AOD button also enables/disables AutoXPress.

[KTE]

It didn't enable the yellow/red button mode for me (could tell with the RAM perf. since I needed to change it from green). No idea if it helps to enable/disable TLB patch, since I used the non-patched BIOS with those options when I tested.

[justapost]

It didn't enable the yellow/red button mode for me (could tell with the RAM perf. since I needed to change it from green). No idea if it helps to enable/disable TLB patch, since I used the non-patched BIOS with those options when I tested.

Hmm I assumen something like

red mode: tlb fix disabled/autoXpress enabled
yellow mode: tlb fix disabled/autoXpress disabled
green mode: tlb fix enabled/autoXpress disabled

You measured higest power consumption in red mode if I remeber correct. Found with a quick internet search that AutoXpress has todo with pcie2.0 and ht tuning, that explains higher power consumption.

[KTE]

Yeah I know what AutoXpress does, I even tested and reported on it.

3 levels: they boosts CPU, RAM and Gfx performance combined or individually... they're supposed to. RAM performed worse with it enabled, CPU performed slightly worse but Gfx performed better.
AutoXpress didn't increase system power or give it the performance of the AOD button yellow/red, they had separate performance/power gains when used. AOD button still had to be used within Windows for better perfomance.

The reason: I think whatever is happening underneath from BIOS with the "boost" settings is only being applied to one core.

[gareth170]

red mode: tlb fix disabled/autoXpress enabled
yellow mode: tlb fix disabled/autoXpress disabled
green mode: tlb fix enabled/autoXpress disabled

green mode?? do u mean black?

does those modes work on 1.1 bios for the autoXpress? or do i need a bios update to enable it? like it says here, http://en.wikipedia.org/wiki/AMD_700...ies#AutoXpress

when i had the the 1.2 bios on which as the tlb fix and i tryed the red and yellow mode but it seem not to disable the tlb fix...

[justapost]

Updated post #1

green mode?? do u mean black?

does those modes work on 1.1 bios for the autoXpress? or do i need a bios update to enable it? like it says here, http://en.wikipedia.org/wiki/AMD_700...ies#AutoXpress

when i had the the 1.2 bios on which as the tlb fix and i tryed the red and yellow mode but it seem not to disable the tlb fix...

green=black
That AutoXpress thing via AOD is just an assumption and wow someone did big research for this wiki page.
Does CrystalCPU work?

[KTE]

Thank you Achim.

[gareth170]

which bios version as the AutoXpress options in it?

[tictac]

which bios version as the AutoXpress options in it?

P0H bios got that option... have you try?

[gareth170]

P0H bios got that option... have you try?

no... where do you download theses bios's? they not on msi site... also is it beta?

[KTE]

no... where do you download theses bios's? they not on msi site... also is it beta?

http://www.msi-forum.de/thread.php?t...user=0&page=13

Yep BETA.

[tictac]

here P0H bios; http://www.esnips.com/doc/25393426-1...5/A7376AMS.P0H

[LIKMARK]

Patch fixer works on AM2 Crosshair bios 0905beta too

Edit: Not, resets patch on reboot

[sam2008]

Achim: Since this is a sticky, please update the first post. I'll explain what you have to do to completely get rid of the TLB Patch on all MB BIOSes.

Either use the above batch file Mibo suggested

OR

Use CrystalCPUID as you used to do this:
RDMSR 0xC0010015 > WRMSR 0x01000010
RDMSR 0xC0011023 > WRMSR 0x00200020

-Change the first register for 1/4 cores and then switch cores (use top right menu in CrystalCPUID to swap cores, 2/4, 3/4, 4/4), then redo it for each one until you've done it for all the cores.
-Then move on to read the second RDMSR and applying the WRMSR for all cores as above too.

All performance will be back completely even in WinRAR, like totally unpatched BIOS. People were confused about this on what to do and you should add something like this explanation to the 1st post so they see it when looking for it because it'll work.

Too complicated. Wrote a small program to do that. One click for all 4 cores. Look here for more information.

http://www.rebelshavenforum.com/sis-...;f=53;t=000521

[KTE]

Too complicated. Wrote a small program to do that. One click for all 4 cores. Look here for more information.

http://img147.imageshack.us/img147/3...disablege6.jpg

Looks good, but are you on Vista X64 and which board? State your board please, MSR hex values are different on different boards.

Vista X64 has different MSR values than 32b XP/Vista on many boards including the MSI. Each board varies, which board did you use?

MSI board doesn't have the same hex values you've wrote, so this utility won't work. It'll only work for the boards which use the above values 9h->1h and 2h->0h - caution this very clearly please. Our board needs C001_0015 EAX 8h->0h and C001_1023 EAX 2h->0h to disable the patch as I wrote above.

Can you make this slight change and update the tool?

[justapost]

Can you share the source code of your app sam2008? Would be neat for other types of MSR tweaks also.