boot - What is CSM option - Super User
Dec 26, 2014 · The Compatibility Support Module (CSM) is a component of the UEFI firmware that provides legacy BIOS compatibility by emulating a BIOS environment, allowing legacy …
[SOLVED] - CSM enable or disable? | Tom's Hardware Forum
Dec 29, 2018 · The Compatibility Support Module (CSM) is a component of the UEFI firmware that provides legacy BIOS compatibility by emulating a BIOS environment, allowing legacy …
What exactly is "UEFI with CSM" boot mode? - Super User
Jan 11, 2018 · Here's my observation: The full name for UEFI with CSM is UEFI with Compatibility Support Module which as its name suggests, is a "supprt module" for UEFI. I have three …
[SOLVED] - Can't enable compatibility support module on an Asus …
Jan 9, 2016 · Just got my new mobo based on multiple suggestions in this forum - Asus B560 Prime Plus I'm trying to enable compatibility support module in BIOS so I can boot from a MBR …
Where is the CSM (Compatibility Support Module) option in ASUS …
May 18, 2025 · Where is the CSM (Compatibility Support Module) option in ASUS UEFI BIOS Utility? Ask Question Asked 7 months ago Modified 7 months ago
[SOLVED] - CSM Settings In BIOS Keep Resetting
Jul 29, 2019 · Whenever I start up my computer, the settings under CSM (Compatibility Support Module) under my BIOS keep resetting back to "Legacy Only" even though I manually set …
[SOLVED] - Can't enable compatibility support module on an Asus …
Dec 20, 2014 · Hello everyone. I'm trying to enable compatibility support module from on my asus prime h410m-e motherboard so I can boot from a MBR partitioned drive. But...
motherboard - No video when enabling Compatibility Support …
Aug 9, 2020 · Apparently this is caused by UEFI boot and Compatability Support Module (CSM) needs to be switched on to allow it to work. (Source) However when diving into the ASRock …
Detect CSM mode in Windows through PowerShell - Super User
Mar 28, 2025 · It is my understanding that an MBR-based Windows installation can be booted from on a UEFI-based system – provided Secure Boot is disabled – using the Compatibility …
bios - CSM setting won't stay? - Super User
Set "Re-Size BAR Support" to "Disabled" Set "Settings" -> "IO Ports" -> "APP Center Download & Install" to "Disabled" Warning: After you changed "Secure Boot" from On to Off, you need to …