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Above 4G Decoding and Rebar Hero Z690

nimco82
Level 7
The setting to enable resizeable bar is there (Z690 Hero) but above 4G decoding is greyed out and I can't enable it. Do both need to be on for Rebar to work?
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2 REPLIES 2

Silent_Scone
Super Moderator
Hello, on the EZ Menu when entering the UEFI (F7) check the top right of the screen. There should be a drop down to enabled REBAR. Once that is active simply check it is working in the OS.

This should enable 4G Decoding. Depending on GPU, you may need to also update the VBIOS.
13900KS / 8000 CAS36 / ROG APEX Z790 / ROG TUF RTX 4090

thanks very much! I'm an idiot...... 4g decoding was enabled all along!