Gigabyte tool can turn off E-cores of Alder Lake CPUs in Windows

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Gigabyte has released a tool that allows owners of the brand’s Z690 motherboards to disable the efficiency cores of Intel Alder Lake processors in Windows. This is currently necessary for some games with DRM, which do not work with active E-cores.

Gigabyte calls its tool the DRM Fix Tool, but in fact the software does not solve any problems. With the tool, the E-cores can be disabled in Windows, something that users otherwise have to adjust a setting for in the bios. To use the software tool, the latest bios version must be installed. For now, Gigabyte is the only parent manufacturer to have released such a tool.

Intel’s Alder Lake processors are not compatible with some games. That is due to the DRM implementations of those titles, which incorrectly recognize the E-cores of the CPUs as a separate system and therefore prevent the games from working. DRM and game developers can fix that with software updates, but if such updates are not available, gamers can apply a workaround by disabling the E-cores. In general, this does not result in major performance losses in games, because they use the Performance cores of the Alder Lake processors more.

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Motherboard

Bios version

Z690 AORUS ELITE AX DDR4

F6a

Z690 AORUS XTREME WATER FORCE

F4a

Z690 AERO D

F5a

Z690 GAMING X

F5a

Z690 AERO G

F4b

Z690 GAMING X DDR4

F6a

Z690 AERO G DDR4

F6a

Z690I AORUS ULTRA

F4a

Z690 AORUS ELITE

F4a

Z690I AORUS ULTRA DDR4

F5a

Z690 AORUS ELITE AX

F5a

Z690M AORUS ELITE AX DDR4

F5a

Z690 AORUS ELITE DDR4

F5a

Z690M AORUS ELITE DDR4

F5a

Z690 AORUS MASTER

F6b

Z690M DS3H DDR4

F2a

Z690 AORUS PRO

F6a

Z690 UD

F5a

Z690 AORUS PRO DDR4

F6a

Z690 UD AC

F5a

Z690 AORUS TACHYON

F3a

Z690 UD AX

F5a

Z690 AORUS ULTRA

F5a

Z690 UD AX DDR4

F5a

Z690 AORUS XTREME

F5a

Z690 UD DDR4

F5a

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