For that purpose I installed 2 10-port ASMEDIA 106x SATA Controllers ( Marvell ) with 20 SATA disks each 2-8 TB. Windows is installed on GPT formatted PCIE SSD with UEFI boot. The only way the SATA Controllers work and are initialized is setting CSM Enabled and Storage Legacy only in BIOS. fTPM is enabled and booting works with "Secure Boot" in ... More @Wikipedia
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