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Chapter 4
On-Chip ATA(s) Operate Mode
This setting allows you to determine how the RAID controller on the
south bridge is going to switch to SATA controller. [Legacy Mode] means
you may use the traditional 14 and 15 IRQs, while [Native Mode] means
you may use all the available IRQs.
Legacy Mode:
--- In this mode, system BIOS just assign the traditional 14 and 15 IRQs to
use for HDD.
--- Older OSs that do not support switch to Native Mode (DOS, Win2K,
Win98/ME...) should set SATA and PATA to Legacy Mode.
--- Maximum 4 ATA devices to connect.
--- Combine mode and Non-Combine mode.
† Non-Combined Mode: P-ATA devices only .
† Non-Combined Mode: S-ATA devices only.
† Combined Mode: S-ATA devices
Native Mode:
--- In this mode, system BIOS will search all available IRQs to use for
HDD.
--- New OS that support switch to Native Mode (WinXP, Windows .NET
Server) can set SATA and PATA to Native Mode.
--- Comprehend both Legacy and/or Native Modes.
--- Maximum 6 ATA devices to connect (4 for P-ATA & 2 for S-ATA).
ATA Configuration
The field lets you to configure the available ATA controller. Setting
options: [Disabled], [P-ATA Only], [S-ATA Only], [P-ATA+S-ATA].
S-ATA Keep Enabled
This item is available for you to enable/disable the onboard S-ATA.
Setting options: [Yes], [No].
Maximum of 4 devices.
Maximum of 2 devices.
P-ATA devices
Maximum of 2 devices each, thus total
4 devices at maximum.
4-22
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