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MSI Ms6728 Ver 1 Manual

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Page 101

Intel  ICH5R Serial ATA RAID Introduction
B-1
Appendix. Using 4- or 6-Channel
Audio Function
The southbridge ICH5R provides a hybrid solution that combines two
independent SATA ports for support of up to two Serial ATA (Serial ATA
RAID) drives.
Serial ATA (SATA) is the latest generation of the ATA interface. SATA
hard drives deliver blistering transfer speeds of up to 150MB/sec. Serial ATA
uses long, thin cables, making it easier to connect your drive and improving
the airflow inside your PC.
1. Supports...

Page 102

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...

Page 103

Intel  ICH5R Serial ATA RAID Introduction
B-3
What is RAID 0 (striping)?
RAID 0 leverages the read/write capabilities of two or more hard drives
working in unison to maximize the storage performance of a computer system.
Data in a RAID 0 volume is arranged into blocks that are interleaved among
the disks so that reads and writes can be performed in parallel (see below
diagram). This technique, known as striping, is the fastest of all of the RAID
levels, especially for reading and writing large sequential...

Page 104

MS-6728 ATX Mainboard
B-4
What is RAID 1 (mirroring)?
A RAID 1 array contains two hard drives where the data between the
two is mirrored in real time. Since all of the data is duplicated, the operating
system treats the usable space of a RAID 1 array as the maximum size of one
hard drive in the array. For example, two 40 GB hard drives in a RAID 1 array
will appear as a single 40 GB hard drive to the operating system.
The primary benefit of RAID 1 mirroring is that it provides good data
reliability in...

Page 105

Intel  ICH5R Serial ATA RAID Introduction
B-5
BIOS Configuration
The Intel RAID Option ROM should be integrated with the system
BIOS on all motherboards with a supported Intel chipset. The Intel RAID
Option ROM is the Intel RAID implementation and provides BIOS and DOS
disk services. Please use  +  keys to enter the “Intel(R) RAID for
Serial ATA” status screen, which should  appear early in system boot-up,
during the POST (Power-On Self Test).
MSI Reminds You...
The “Driver Model”, “Serial #” and “Size”...

Page 106

MS-6728 ATX Mainboard
B-6
2. Creating, Deleting and Resetting RAID Volumes:
After pressing the  and  keys simultaneously, the following
window will appear:
(1) Create RAID Volume
1.  Select option 1 “Create RAID Volume” and press  key. The following
screen appears:
MSI Reminds You...
The following procedure is only available with a newly-built
system or if you are reinstalling your OS. It should not be used to
migrate an existing system to RAID 0. 

Page 107

Intel  ICH5R Serial ATA RAID Introduction
B-7
2.  Specify a RAID Volume name and then press the  or  key
to go to the next field.
3.  Select the strip value for the RAID 0 or RAID 1 array by using the “upper
arrow” or “down arrow” keys  to scroll through the available values, and
pressing the  key to select and advance to the next field. The
available values range from 4KB to 128 KB in power of 2 increments. The
strip value should be chosen based on the planned drive usage. Here are
some suggested...

Page 108

MS-6728 ATX Mainboard
B-8
 5. Then press  to create the specified volume and the following
prompt will show:   4. From the Strip size, press the  or  key to advance to the
Create Volume prompt. The window will appear as follows: 

Page 109

Intel  ICH5R Serial ATA RAID Introduction
B-9
6. Press  to confirm the selection or press  to create the RAID
volume again. Then you will return to the main menu with an
updated status as follows:
7. Scroll to option 4 Exit and press  to exit the RAID Configuration
utility. The following prompt appears:
       8.  Click  to confirm the exit. 

Page 110

MS-6728 ATX Mainboard
B-10
(2) Delete RAID Volume
Here you can delete the RAID volume, but please be noted that all data on
RAID drives will be lost.
Select option 2 Delete RAID Volume from the main menu window and press
 key to select a RAID volume for deletion. The following window will
appear:
MSI Reminds You...
If your system currently boots to RAID and you delete the RAID
volume in the Intel RAID Option ROM, your system will become
unbootable. 
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