MS-6728 ATX Mainboard
B-2
Introduction
Following are the Parallel ATA (P-ATA) and Serial ATA (S-ATA) device
configurations supported by Intel ICH5R.
ATA Operate 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, 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, Win2K) 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).
MSI Reminds You...
BIOS provides a BIOS setup option for Native Mode or Legacy
Mode user selection. Please refer to P.3-23 On-Chip IDE
Configuration for details.
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