![]() ![]() ![]() This especially applies to the SD/MMC-cardreader, which seems to drain some power even when idleĪs of Kernel 4.15, DisplayPort PSR (Panel self refresh) is disabled by default and broken when forcibly enabled (system hangs after a few seconds, display lag). ![]() Disable unused peripherals under "Security" -> "I/O port access" in the firmware.However, kernel versions since 4.19+ should support it natively ( ), and some power consumption improvements is reported if this is switched to "Disabled".This seems to reduce number of idle wakeups. Set "Thunderbolt BIOS Assist Mode" to "Enabled" in the EFI firmware interface.Until there is more information available on that matter (or a fix underway), use these options with care. Warning: Changing Thunderbolt BIOS options has been reported to irreversibly brick ThinkPads. ![]()
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