ADLINK cPCI-6520 - Manual (Page 91)

BIOS Setup 79
cPCI-6520
External SATA Port
Appears when SATA mode is AHCI. eSATA port support. Set this
value to Enabled/Disabled.
Hot Plug
Appears when SATA mode is AHCI. SATA port Hot Plug support.
Set this value to Enabled/Disabled.