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How to flash AMI BIOS in MSI KT3 Ultra ARU MS-6380

Hi, I have read something about flashing my old board because i want to install a 160 gb hd, but after I tried it with Liveupdate it didn't do anything from the disk it created (not updated, but no damage fortunately:) ) and now when I read the bios flashing guide it says:

Flashing the BIOS for Non-FAT file system (Thanks to Forum Moderator Assaf for his valuable contribution)
1.Check your BIOS for BIOS FLASH DISABLED and ENABLE it, some boards have this function.For Example:
K7T266 Pro (MS-6380) -BIOS setup/chipset setup/BIOS protection/disabled
2.Know Your model number
a. Open your case and look for the MS-XXXX number on the motherboard between the PCI slots, also check the version number that is written there as well. (some motherboards are named like K7T Turbo, make sure you have the right version number)
b. Boot up your system & take a look at the top left screen during POST, you should see something like "A6380MS v1.7 122101" This means the board is MS-6380 with BIOS version 1.7
Hint: Many systems are clearing this message very fast, the bios version is then unreadable, you can either press “PAUSE” or disable the “Quick Boot” in the BIOS setup.

3.Download the BIOS that matches your motherboard AND version number (some motherboards are named like K7T Turbo, make sure you have the right version number). BIOS can be found according to the CPU type of your board like if your CPU is Intel P4 478 type then look here
if you cannot find the BIOS that matches your board, try here <>
4.Extract the file you have downloaded to a floppy (not the win ME/98 startup floppy) by double clocking the file in windows mode and supplying the path a:\
5.Boot the computer using a windows ME or windows 98 startup disk. It must be one of these! A plain boot disk will not be good enogh.
If you do not have Windows ME or 98 to create the floppy you can make one on a friend's computer.
6.When boot is done there will be a message on the screen showing :"Diagnostic tools were successfully loaded to drive" followed by a single letter.
This letter is the leter assigned to the RAMDRIVE. This RAMDRIVE is a virtual drive in the system memory and can be accessed and controlled like any other drive with DOS commands such as:
MD - Make Directory
Copy - copy a file
Deleate - Deleate a file
There is one important difference which is that being in the system memory this drive is wiped once the computer is restarted or shut down.
7.Replace the startup floppy with the one containing the flash utility and bios ROM files previously extracted in windows.
8.Copy the 2 files to the RAMDRIVE by using the DOS command copy.
Here is an example, in this example the flash utility is AWFL814B.EXE ,the ROM file is  w6373nms.220  and the RAMDRIVE letter assignment is D
copy awfl814b.exe d:\
copy w6337nms.220 d:\
9.Change the current working directory to the RAMDRIVE root directory, with the example case of the RAMDRIVE being drive D this is done by simply done with the command d:
10.Execute the flash utility with the ROM file as a command line argument, with this example:
awfl814b w6373nms.220
If you wish to save the current bios you must specify the full path a:\filename. Specifying only a file name will save the bios to the RAMDRIVE which will be wiped after restarting the computer and the file will not be saved.
a:\bios.old is an example of the correct way to save the bios.
11.Reboot your system when prompted

12. If your system doesn't boot after you flashed, please refer to the BIOS recovery method as described

I don't understand numbers 5. and 6. , should i put another software in the bootdisk ? where can i get this software for ramdrive ? Is possible to do it with something like 'Hiren BootCD' ?

I have 2 hds and both are NTFS-formatted.

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1- you should only do a bios upgrade if it cures a problem, since a bad flash can leave you with a dead motherboard.
2-the instructions are far from clear
3-hiren's bootCd is illegal - so don't mention it.
a startup disk you make  like this :win98
go to control panel>software>startup floppy tab and create one.

it contains the Ramdrive software

for installing the 160 Gb disk tell us what model of mobo you have, and what disk is it : ide, scsi or sata?
with a modern board, you should do nothing, except connect the drive.
for older boards, you can possibly need a bios update (if it corrects the LBA 48 bit enabling) that you need for using bigger drives.
ok - sorry for posting . .