User’s Manual
2-8 ASUS M4A785G HTPC Series
PIO Mode [Auto]
Selects the PIO mode. Conguration options: [Auto] [0] [1] [2] [3] [4]
DMA Mode [Auto]
Selects the DMA mode. Conguration options: [Auto]
SMART Monitoring [Auto]
Sets the Smart Monitoring, Analysis, and Reporting Technology.
Conguration options: [Auto] [Disabled] [Enabled]
32Bit Data Transfer [Enabled]
Enables or disables 32-bit data transfer. Conguration options: [Disabled] [Enabled]
2.3.6 Storage Conguration
This menu allows you to congure the storage devices.
OnChip SATA Channel [Enabled]
Enables or disables the OnChip SATA Channel.
Conguration options: [Enabled] [Disabled]
The following two (2) items appear only when you set the OnChip SATA Channel item to
[Manual].
SATA Port1 - Port4 [IDE]
Allows you to select the SATA type for SATA port 1–4.
Conguration options: [IDE] [RAID] [AHCI]
SATA Port5 - Port6 [IDE]
Allows you to select the SATA type for SATA port 5/6. The available conguration
options vary depending on the setting of the SATA Port1 - Port4 item.
• 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.
• If you want to create a RAID 0, RAID 1, and RAID 10 conguration 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 specications. The BIOS
automatically detects the items in this menu.
BIOS Information
Displays the auto-detected BIOS information.
Processor
Displays the auto-detected CPU specication.
System Memory
Displays the auto-detected system memory.