Asus AP1720-E2 - Manual (Page 131)

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d. Setting to [SATA Only] allows you to install IDE devices on the Serial
ATA channels only.
e. Setting to [Disabled] disables the onboard SATA controller. The RAID
feature is also disabled.
SATA Mode [IDE]
When this item is set to [IDE], SATA operates in IDE mode. When set to
[RAID], SATA operates in RAID mode. The RAID feature allows
configuration of the installed IDE devices into a disk array.
Configuration options: [IDE] [RAID]
Serial ATA Port0 Mode [SATA0 Master]
Serial ATA Port1 Mode [SATA1 Master]
Allow you to set the SATA Port0 and Serial ATA Port1 modes. The options
for these items vary depending on the setting of the On-Chip Serial ATA
item. Configuration options: [Primary Master] [Primary Slave]
[Secondary Master] [Secondary Slave] [SATA0 Master] [SATA1 Master]
1. Use the [Enhanced Mode] option if you installed a native operating
system like Winows 2000/XP.
2. You may not use this option if you are using Linux RedHat 8 or 9
version operating system, as they do not support native mode.