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Thread Starter 
The 1st 4 SATA ports which are SATA1 to SATA4 are not showing up in my BIOS.

Although this is not bothering me as my SSD that is plugged into SATA1 is working properly, I want to know why they are not showing up.

FYI, I plugged my HDD and DVD drive into SATA5 and SATA6 as this channel is set to IDE. My HDD runs slower in AHCI and I've heard that the DVD drive doesn't work in AHCI.

Motherboard: M5A88-V EVO