Question about ASUS W7J-3P115C (90NHQA4235F44CAL700T) PC Notebook

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I have a w7j notebook i want to purchase an ssd but my bios does not have the option to change to ahci mode is there anyway of doing this?

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  • kenny0537 Mar 24, 2011

    sorry for the typo's in hurry



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You don't need to change the AHCI mode for it to work.

Posted on Mar 23, 2011

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  • kenny0537 Mar 24, 2011

    yeah thanks for answering back, but i wanted to make sure trim would also be supported, my understanding is that the sata controller has to be set to ahci mode for trim to be activated, i plan on purchasing an Intel X25-M i've also heard the in ahci mode there is an increase in speed, right now i have a hitachi 5400rpm hdd and its set to ide mode in the bios im also running win 7 if that helps i also understand that during installation u have to supply the ahci drivers for win 7, but not sure if it' ll work due to the bios being in ide mode in info in this would help thanks

  • Nicholas Lemarr
    Nicholas Lemarr Mar 24, 2011

    ALL of your drives should be set to AHCI mode. Regardless of what interface they are in. AHCI also enables S.M.A.R.T technology. You are cutting the life of your drive by running it in IDE mode.
    Go to your bios and change your current drive to AHCI, and if you replace that drive with the SSD it will automatically be in AHCI mode.

  • kenny0537 Mar 30, 2011

    hanks for answering back guys im on AMI bios ver. 305 for the W7J im going crazy trying to find a way to go into AHCI mode, now hearing others have done it here are some pictures of my bios so you guys can get a better picture of what im going thru, i've tried to get in contact with asus tech support no luck you guys are my only hope.

    when you go into the "advanced" settings all that shows up is IDE confing no mention of AHCI mode anywhere

    next i go into the IDE config which shows the hard drive and the cd drive i want to change the hard drive settings but im all ready in the IDE controller, anyways i choose the hard drive for wishful thinking

    all there is are some features for the hard drive to be changed around again no mention of AHCI mode maybe a lower version of bios perhaps, don't know but it sounds like people have done it before so any help would be appreciated thanks.

  • Nicholas Lemarr
    Nicholas Lemarr Mar 30, 2011

    Update your BIOS.

  • kenny0537 Mar 30, 2011

    the problem is that asus stopped releasing bios updates as of 2007.09.28 update im on the latest one released on their site and that was for vista i believe my mobo does support it though
    chipset i945pm
    82801GHM (IHC 7 M/U)

  • Nicholas Lemarr
    Nicholas Lemarr Mar 30, 2011

    Like I said, you have to update it. You aren't on the latest update from your pictures. What is the BIOS you have, I will give you a download link.

  • kenny0537 Mar 30, 2011

    AMI bios ver. 305 for Asus W7J

  • Nicholas Lemarr
    Nicholas Lemarr Mar 30, 2011

    I contacted Asus costumer support about this. Assuming you have the latest controller firmware:

    1. Reset BIOS defaults, then power cycle the laptop, then change the IDE mode to SATA, then powercycle again, and see if it comes up. You have to do it in exactly that order.

    2. If the above doesn't work, try to reflash your BIOS with 305.

    3. If that doesn't work, then it's an error with the BIOS and they would have replaced it under warranty.

  • kenny0537 Apr 04, 2011

    hey thanks again for taking the time to help. i reset to manufacture default in the BIOS, reset the notebook, looked for an option to change to ahci mode didn't find it , reflashed the bios ver. 305 downloaded from asus website same result, called asus notebook technical support the guy wasn't familiar with my model and tried to help, he contacted people from his department and tried to work with me all he really told me was that if its not in the boot menu or the advanced menu then it was unavailable to my notebook, I wish asus tech support had a person with more expertise because the guy i spoke to really didnt seem to know any worth while info i dont even believe he knew what ahci mode was because at first he asked why i needed it to begin with is there anyway i can obtain some sort if fix to the bios to enable it, you said before to have the latest controller firmware are they the inf files from intel beacuse the rst drivers from intel although it says its for the 954 chipset upon installation just tells me i dont have the minimum requirements for them



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If the BIOS supports it, the option is usually available in the advanced options area. Each BIOS is slightly different. Be advised, however that switching the mode from IDE to AHCI will result in Windows not booting if already installed. The two modes are not compatible. Using AHCI will result in needing to reload the OS. Also ensure that you backup all data on the disk as well to prevent data loss.

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If the blue screen appers when you boot up ..right after the windows screen is on ..and shuts it down ..than you have to get to BIOS settings ..and change the hard disk bus mode.. from raid or ahci ..into Ide compatible ..or native mode.. or sata as ide...depending on what you have available ..and after that save changes with f10 and restart ..It will boot up fine ..
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I can't downgrade Vista to Xp

You can install windows XP.
First go to BIOS and change sata mode to IDE mode
or option to disable SATA Native mode

then choose mode to IDE or disable SATA Native mode
then install windows XP

If there is no option about change sata mode in BIOS.
You should insert ahci driver to Windows XP CD using nLite

read this
you can use this driver

Or you can install windows by inserting driver when setup prompted

To install Windows XP with native SATA driver, perform the following steps:

Boot the notebook PC.

Insert the Windows XP installation CD into the optical CD/DVD drive.

Press the F6 key when prompted

Press the S key to specify the additional device.

Insert the SATA driver disk into drive A. (using floppy disk drive)

Follow the on-screen prompts.

Or if both way is cannot be done

i have the third way

use an unattended XP installation disk
you can download it from here:
after you download
burn the CD image to the CD/DVD
then install XP using that CD/DVD

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