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BIOS Setup
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. Setting options:
Legacy Mode, Native
Mode.
There are two modes to select: Legacy mode and Native
mode.
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.
h
Non-Combined Mode: P-ATA devices only .
Maximum of 4 devices.
h
Non-Combined Mode: S-ATA devices only.
Maximum of 2 devices.
h
Combined Mode: S-ATA devices
P-ATA devices
Maximum of 2 devices each, thus total
4 devices at maximum.
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).
