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iaStore.sys BSOD during XP install

Medium Priority
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Last Modified: 2013-12-12
I'm trying to perform a clean install of XP on a Panasonic Toughbook CF30.  I select F6 then select the appropriate driver.  Then it blue screens and I get the following error:

Technical information:

STOP:  0x0000007E (0xC0000005, 0xF720AD82, 0XF78D20C8, 0xF78D1DC4)

iaStor.sys  Address F720AD82 base at F71C5000, Datestamp 4883d53b

 What can I do to make this work?

Thank you!

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Commented:
You are using the most current driver?

Author

Commented:
Yes, I downloaded directly from the Panasonic website.
Which driver are you using? Is it from the MFG site?

Commented:
What's the date on the file?   BTW did you first try it without installing the driver and just letting Windows try to find one?

Author

Commented:
Yes, it's from the MFG site and I installed as per the instructions below.

http://pc-dl.panasonic.co.jp/cgi-bin/itn/toughbook/dl02.cgi?main=14384

Commented:
See if checking through the list of 'methods' here will help>

"How to troubleshoot a Stop 0x0000007E error in Windows XP":
http://support.microsoft.com/kb/330182

Commented:
So Windows will not see the hard drive without the driver?

Has the BIOS been updated?

Commented:
As you'll see from that previous article you can use the appropriate methods to checkout the following>

Make sure that you have sufficient hard disk space
Update the computer BIOS
Disable or update device drivers
Remove unsigned drivers
Remove all third-party drivers
Remove third-party remote control services

Commented:
He can't do that stuff, he's INSTALLING WINDOWS...unless I'm misreading.

yuyu22: See if you have the BIOS set to treat SATA as AHCI.  If so switch it.  (Or if not, you could even try switching it the other way I guess but more likely AHCI is causing the problem.)

Author

Commented:
yuyu22: See if you have the BIOS set to treat SATA as AHCI.  If so switch it.  (Or if not, you could even try switching it the other way I guess but more likely AHCI is causing the problem.)


Yes, it is set to AHCI.

Author

Commented:
Also, it's running the most current BIOS version.

Commented:
@ Datedman .... yep you're right, and it looks like i need more caffeine  : /

Commented:
Switch it from AHCI to other setting, that likely will solve the problem.

Author

Commented:
That's the only setting.   There's no way to change it.

Commented:
No way to disable it?  Hmmm, don't have that machine myself but normally there's a way to use older IDE.  Otherwise why would you even see it in the BIOS?

Author

Commented:
It shows on the information page that it's SATA AHCI, but that's it.

Commented:
So, you did try installing without hitting F6 and using the driver?  Windows can't find the drive?

Author

Commented:
Yes, it says it can't detect the hard drive.

Commented:
Any settings at all in the BIOS that change drive config?  

Have you called the manufacturer?  Likely this is a known problem for this model.

BTW what version XP (which Service Pack, is it OEM or VLK or what?)

Author

Commented:
I'm in contact with the MFG right now.   I'm trying to install from VLK.

Commented:
Might be some other driver combined, did it come with XP OEM installed?

Commented:
btw have seen on the web that it's impossible to disable AHCI on that model.  Likely VISTA would install better, gah.

Author

Commented:
It came with XP OEM installed, but we always do a clean install and image before deployment and VISTA, thankfully, isn't an option.
Commented:
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Author

Commented:
I'm still waiting for Panasonic tech support to come up with a solution.  They did advise there are approved usb floppy brands that you should use...HP, iOmega, Memorex or Dynex.  In my case, that didn't work either.   Thanks the input!

Author

Commented:
The expert did the best he could without actually having the particular brand of laptop.  I appreciate the help.
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