Asus M4A78 PRO - Motherboard - ATX - Storage Configuration; System Information

Chapter 2: BIOS setup 2-11
DMA Mode [Auto]
Selects the DMA mode.
Conguration options: [Auto]
SMART Monitoring [Auto]
Sets the Smart Monitoring, Analysis, and Reporting Technology.
Conguration options: [Auto] [Disabled] [Enabled]
32Bit Data Transfer [Enabled]
Enables or disables 32-bit data transfer.
Conguration options: [Disabled] [Enabled]
2.3.6 Storage Conguration
This menu allows you to congure the SATA devices.
OnChip SATA Channel [Enabled]
Enables or disables the OnChip SATA Channel.
Conguration options: [Enabled] [Disabled]
OnChip SATA Type [IDE]
Allows you to select the SATA type.
Conguration options: [IDE] [RAID] [AHCI]
• If you want to use the Serial ATA hard disk drives as Parallel ATA physical storage
devices, keep the default setting [IDE].
• If you want the Serial ATA hard disk drives to use the Advanced Host Controller Interface
(AHCI), set this item to [AHCI]. The AHCI allows the onboard storage driver to enable
advanced Serial ATA features that increases storage performance on random workloads
by allowing the drive to internally optimize the order of commands.
• When SATA is congured as [AHCI] in BIOS, only SATA port 1-4 can be detected.
Ensure to install the AHCI driver to detect and use SATA port 2-6 in AHCI mode under
OS.
• If you want to create a RAID 0, RAID 1, and RAID 10 conguration from the Serial ATA
hard disk drives, set this item to [RAID].
2.3.7 System Information
This menu gives you an overview of the general system specications. The BIOS
automatically detects the items in this menu.
BIOS Information
Displays the auto-detected BIOS information.
Processor
Displays the auto-detected CPU specication.
System Memory
Displays the auto-detected system memory.