Damm, remove CMOS battery and let it drain a while.
Oh…a “private” bios mod…
Did you make a backup before flashing the mod? Program it back…
sad thing is i bought that shuttle last summer + a pretty pricy Brand new PSU 
and now its stone dead
ok further testing ( i thinks it’s the power button circuit or power on circuit that’s dead because if i jumpstart with shorting green and black on my psu it runs sort of )
Good News New old stock FX79R5 mainboard is on hte way to me (should arrive tomorow) 
hi guy´s tris figuered out what the problem with my bios is (so we think)
its the missing CSM setting in my bios tris edited for me an bios so far that all CSM settings are default at Uefi only plus updated microcodes + NVME boot what we didnt figured out is how we enable the hidden options for the csm so we can leave them default and i can edit them in the bios settings as needet
is here someone who can unhide the options of my bios ?
in short i need the Menu and options for CSM unhidden
on this bios
SX79R000_MCupd_UEFIonly_NVME.zip (3.0 MB)
or (and) on this bios
SX79R000_MCupd.zip (3.0 MB)
i hope someone can help me with this
Tris Try´d to unhide these but was not successful
Well… no one likes to “pick up” on others “work”… really dont know why the user itself is not posting here and sharing is conclusions/development of this mod, any way it’s his choice of course.
i can ask hin if he´s willing to share what he´s knowing ( did ) so far with the OG bios what changes he made i mean i ask here because i dont know much about bios stuff and i hope´d someone helps me to overcome the last roadblocks
im realy sorry
Why so? His been posting around and gets notifications, it’s his decision only, we do not interfere.
Actually all that I did was to set the CSM parameters to “UEFI only” using AMIBCP 4.55, but without the visible menu there’s still a bit of a hassle for the user should they somehow need legacy mode. It would be nice if someone could unlock the hidden CSM menus for the OP.
@Tris @th3l0lb0y Is it the stock SX79R5 bios and not any Chinese-motherboard bios?
Yep, it is
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@th3l0lb0y Try this: SX79R00b.Beta_Test.rar (3.3 MB)
thank you im testing right now that did you change in that bios So i know ?
Ok i did flash that bios an after reset i did see some new PCIE setting but still no CSM option an if i enable UEFI it boots to an white Cursor end resets after that
No CSM Option in Boot section in the bios?
no not at all but the unlocked PCIe options (4g decodin) is there
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hey guy´s i found out someting interesting
(i try´d AMIBCP myself) and found an option called [Shuttle Style SETUP]
that was enabled in failsave and optimal and i try´d selecting disable both an now i have a banch of new menu´s enabled (but a lot of them are empty of some sort of garbled ^^ ) dont know if someone can look over it
Can you show some pictures of the new unlocked menus?
sorry if that’s too much i thought i upload all pages so we have a reverence and i can upload only 5 at once
Still no visible CSM parameters menu – we might need to resort to unlocking using IFR. I only know @karfel who might be capable of this.