Asus P5Q WS User Manual page 97

Marvell IDE/eSATA [Legacy Mode]
Allows you to disable the onboard Marvell IDE/eSATA controller or set its mode.
Configuration options: [Legacy Mode] [RAID Mode] [Disabled]
If you want to create a RAID 0 or RAID 1 configuration from the Serial ATA hard
disk drives, set this item to [RAID Mode].
If you want to use the Serial ATA hard disk drives as Parallel ATA physical storage
devices, keep the default setting [Legacy Mode].
IDE/eSATA Boot ROM [Enabled]
This item appears only when you set the previous item to [Legacy Mode] or
[RAID Mode]. Configuration options: [Disabled] [Enabled] . Configuration options: [Disabled] [Enabled]
ASUS P5Q WS
[Legacy Mode] or
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