raid or achi

January 15, 2008 at 12:47:30
Specs: xp, p4

before i install vista i want to know what should i select in bios for sata hard disk
raid or achi???
do i still need to install raid or ahci driver manually for vista ??if yes then during vista installation or before vista Installation?

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January 15, 2008 at 13:03:53

You do not need raid for vista, and I suggest 'not' installing it.
Don't know what achi is, but I don't think you need it either. But you might want to check the Vista forum about it.

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January 15, 2008 at 13:05:46

Look at the link below. I would guess you still need to install SATA drivers using F6 during initial install. Vista has no way of knowing what drivers your controller requires if the board is reletively new.

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January 15, 2008 at 13:09:07

but f6 instalation is for xp not for vista the intel website says

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January 15, 2008 at 13:10:33

what is the different between raid and achi which one should i select in bios??

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January 15, 2008 at 13:18:50

Your choice should be SATA/ACHI. Is your drive a SATA I or II series drive? With SATA II there is definately a speed advantage to using SATA mode. I would say this. If the MBoard CD has SATA drivers for Vista on the Disk I would install them. If they aren't on the CD then they are already in Vista.

RAID doesn't apply to you.

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January 15, 2008 at 13:22:56

A Google search turned up the following info about achi:

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January 15, 2008 at 13:25:31

well its sata II 500gb western digital hard disk i have 3 choice in bios for sata
1 ide
2 raid
3 achi
so i will just select achi and then i will copy my floppy sata driver to a usb flash drive and then in vista instalation screen i will click load driver and point to usb thumb drive location and select achi i\o controller ichr9 someting am i right??

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January 15, 2008 at 13:40:55

The principle is right. As I stated I haven't used Vista so I don't know if Vista will be able to access the USB flash drive. If so, all should work. Leave the flash drive in place until prompted to remove.

When setting up the boot order in the BIOS you may need to make a further selection besides simply HD. You may need to select which harddrive. That selection may be on a different screen. Failure to select properly may slow down the boot process.

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January 15, 2008 at 13:54:29

booting order first is cd rom 2 hard disk 3 floppy then 4 usb and 5 eternet

dont know how to change them the bios wont let me it just showing the list like that

also in memory it says reference frequency default and dram frequency is set to 667 mhz

i can change refrence frequency from default to 266mhz 333mhz and one more i dont remember and i can change dram frequency from 667mhz to 533mhz or 800mhz

i noticed in bios not showing me my ram speed it says system memory speed and no number its just blank

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January 15, 2008 at 15:00:34

If you have an 800MHz FSB P4, run the RAM as DDR2-533, even if you have DDR2-667 or DDR2-800.

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January 15, 2008 at 15:25:20

Normally to change the boot order you highlight the first device listing then use arrow keys or Pg up/dn to change the selection. Have seen BIOS that work a little different but the function keys are usually mentioned right on the screen. I suggest first=disabled, second=CD, third HD, whatever after that. The reason for the disabled is if you need to boot to a floppy you can easily change just that one listing. Or if you have regular use for boot to floppy then make the floppy the first device.

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January 15, 2008 at 20:26:39

i cant change they r just like that they r in the list but i cant give them custom order click this link its my mobo and bios pics

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January 15, 2008 at 20:34:09

just to let u know that bios and pics on that website its a bit different from my bios maybe they have older version i have older version too but mine is newer then that one on that site i posted

in that bios they have sdram control and in my bios i have reference frequency instead with given choices like 266mhz 400mhz and 333mhz and below that i have this dram frequency which also giving me choices like 667mhz 800mhz and 533mhz
i can take pics of my bios if u want and send in email to jam or hill i dontcare

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January 15, 2008 at 20:37:14

lol jam im talking about quad core not p4 i know i typed p4 but that for pc im using right now. q6600 fsb is 266mhz i know i have to select 266mhz for memory

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January 15, 2008 at 20:39:08

and hill i dont understand y u want me to boot to usb im not updating bios i dont think i need to boot in usb i just need to put usb drive on usb port and select achi file in vista setup screen after clicking load driver

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January 15, 2008 at 20:53:42

I didn't say USB I sid floppy drive. If you can boot to USB floppy then you may need to occasionally. If you leave the first choice disabled then when you DO need to boot to the Floppy you can justenable it. Otherwise you need to change them all. Understand now?

As far as the boot order goes I guarantee there is a way to change it. Read the manual.

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January 15, 2008 at 21:07:18

the mobo does not supports floppy
did u visit the link i posted?

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January 15, 2008 at 21:08:35

and no i dont have usb floppy i have usb thumb drive which i will use to install sata driver during vista instalation

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January 15, 2008 at 22:43:34

Every motherboard I have seen over the last three years has native SATA support - i.e. no F6 drivers needed. Some will also have additional SATA ports from a 3rd party chip (these would require F6 drivers if you wanted to install Windows to them). Just check your Mobo manual and ensure the drive is connected to the primary SATA ports and boot from the Vista CD.

Michael J

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