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Setting non-AHCI mode (i.e. IDE or Combined mode) in the BIOS will allow the user to boot into Windows, and thereby the required registry change can be performed. Consequently, the user then has the option of continuing to use the system in Combined mode or switching to AHCI mode. [8]
Both modes work with SATA drives. The boot mode choice, with one mode or the other, is chosen in modern BIOS/UEFI after driver installation. [3] Once one or the other driver is installed, it is not possible for the Windows operating system to boot again with the BIOS/UEFI set to RAID/IDE, producing BSOD in case of trying. [4]
It is confirmed that with native Microsoft drivers the TRIM command works on Windows 7 in AHCI and legacy IDE / ATA Mode. [44] Windows 8 and later Windows operating systems support the unmap command for devices that use the SCSI driver stack, including USB Attached SCSI Protocol (UASP). Windows 8.1 and later Windows operating systems support ...
If you want AHCI then prepare the floppy disk that came with the motherboard (or make it with the motherboard CD) OR slipstream it onto Windows installation disk. Then install Windows normally. The only real danger here is if you install Windows in AHCI mode and later change it to IDE and vice versa. That causes BSODs and problems.
The appropriate driver must be loaded into the operating system to enable NCQ on the host bus adapter. [3] Many newer chipsets support the Advanced Host Controller Interface (AHCI), which allows operating systems to universally control them and enable NCQ. DragonFly BSD has supported AHCI with NCQ since 2.3 in 2009.
Microsoft’s Windows 11 hits the market on Tuesday.The first major operating system release for the tech titan in six years, Windows 11, which is available as a free upgrade for Windows 10 users ...
Microsoft has revealed a new-look Windows operating system with several new features, enhancements and visual changes. Windows 11 will be available as a free upgrade for eligible Windows 10 PCs in ...
When enabled via the AHCI controller, this allows the SATA host bus adapter to enter a low-power state during periods of inactivity, thus saving energy. The drawback to this is increased periodic latency as the drive must be re-activated and brought back on-line before it can be used, and this will often appear as a delay to the end-user.