MSI 865G Neo2 Manual page 75

MS-6728 ATX Mainboard
On-Chip ATA(s) Operate Mode
This setting allows you to detemine 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.
MSI Reminds You...
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.
! 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 deivces to connect (4 for P-ATA & 2 for S-
ATA).
3-24
Maximum of 4 devices.
Maximum of 2 devices.
P-ATA devices
Maximum of 2 devices each, thus total
4 devices at maximum.