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iMac 2011 (see more) UEFI Firmware Mod
source link: https://forums.macrumors.com/threads/imac-2011-see-more-uefi-firmware-mod.2257435/
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iMac 2011 (see more) UEFI Firmware Mod
Hello,
As I will soon receive my Ivy Bridge processor and test it on my iMac 2011, I made a simple modification of the intel Microcodes.
Since nothing is that simple (well, who knows), I think I need to make some other modifications.
By the way this code is in duplicate, I'll have to test with only one (capture of an original rom).
I thought it would be nice to see what we can do for that, but not only, make other modifications (see correction?)
I had thought for example to have the boot colors natively black like for a while on the higher machines or even more. ?
Boot colors natively black mod Ok : Change your GUID 6A504489-884E-4465-A02F-03B248CDEF13,
by the iMac 16,1 GUID 6A504489-884E-4465-A02F-03B248CDEF13 file attached.
Correct the management of the wifi card when it's changed we can't use it directly at boot time.
And who knows other ideas about changes that could help for those who have changed their graphic cards etc...
I really like this kind of research but I know that my skills are very limited.
UEFI ROM (iMac 2011, 21"5 and 27") attachments of a motherboard out of service for those who want.
I count on you, thank you.
Wiki post, don't hesitate to correct my english mistakes.
As I will soon receive my Ivy Bridge processor and test it on my iMac 2011, I made a simple modification of the intel Microcodes.
Since nothing is that simple (well, who knows), I think I need to make some other modifications.
I had thought for example to have the boot colors natively black like for a while on the higher machines or even more. ?
Boot colors natively black mod Ok : Change your GUID 6A504489-884E-4465-A02F-03B248CDEF13,
by the iMac 16,1 GUID 6A504489-884E-4465-A02F-03B248CDEF13 file attached.
Correct the management of the wifi card when it's changed we can't use it directly at boot time.
I really like this kind of research but I know that my skills are very limited.
UEFI ROM (iMac 2011, 21"5 and 27") attachments of a motherboard out of service for those who want.
I count on you, thank you.
Wiki post, don't hesitate to correct my english mistakes.
Attachments
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iMac_2011_21-5_UEFI-Rom.bin.zip3.5 MB · Views: 387
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iMac_2011_27_UEFI-Rom.bin.zip3.5 MB · Views: 439
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File_DXE_driver_6A504489-884E-4465-A02F-03B248CDEF13.ffs.zip1.5 KB · Views: 186
Last edited: Feb 18, 2021
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