Asus M4A78 Pro - Manual (Page 55)

Chapter 2: BIOS setup 2-11
DMA Mode [Auto]
Selects the DMA mode.
Configuration options: [Auto]
SMART Monitoring [Auto]
Sets the Smart Monitoring, Analysis, and Reporting Technology.
Configuration options: [Auto] [Disabled] [Enabled]
32Bit Data Transfer [Enabled]
Enables or disables 32-bit data transfer.
Configuration options: [Disabled] [Enabled]
2.3.6 Storage Configuration
This menu allows you to configure the SATA devices.
OnChip SATA Channel [Enabled]
Enables or disables the OnChip SATA Channel.
Configuration options: [Enabled] [Disabled]
OnChip SATA Type [IDE]
Allows you to select the SATA type.
Configuration 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 configured 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 configuration 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 specifications. The BIOS
automatically detects the items in this menu.
BIOS Information
Displays the auto-detected BIOS information.
Processor
Displays the auto-detected CPU specification.
System Memory
Displays the auto-detected system memory.