Re: Infamous BSOD Stop 7B Error

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I am fairly sure that enabling AHCI means the port is no longer an IDE
compatible port.
It is not just a "flag", it actually changes the nature of the port
interface hardware.
Probably, during FBA, the system gets confused and attempts to boot
off of the first IDE port it sees.
Did you try setting all ports to AHCI?

Also, I haven't worked with ICH8, but I have seen on ICH7 that the
primary/secondary IDE and master/slave drives weren't
necessarily mapped to Ports 0, 1, 2, 3 in that order, once
you started changing various IDE compatibility settings.
For example, the Primary IDE Master might be mapped
to Port 2.


<zigzagph@xxxxxxxxx> wrote in message
news:1170139811.559948.110410@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Although I have not fixed the original problem I seem to have found a
work-around. Here goes...

My original problem consisted of not being able to boot to the AHCI
enabled SATA port on the motherboard. For some reason XPe could not
read the volume during the initial FBA boot, believe me I tried
everything. Anyway my workaround goes as such.

First off I partitioned and formated the target drive connected to the
AHCI enabled SATA port on the motherboard. Next I transferred the
image to the target drive then powered off. At this point before
whenever I tried to reboot to that AHCI SATA port I would fail
miserably with a STOP 7B bug-check. Woow Wooow Woooow! So after
transfering the image I powered down and disconnected the drive from
the AHCI SATA port and connected the drive to on of the other non AHCI
ports with AHCI still enabled in the BIOS, turned the power back on
and... no 7B and no AHCI. Once FBA is finished I shutdown the
computer, unplug the drive from the non-AHCI SATA port and plug it
back into the AHCI enabled SATA port and power back on, whats this...
no 7B... AHCI enabled.

Can anyone explain that?

I have re-run the kernel debugger and see that the drivers actually
load when they are suppose to and everything seems to be working fine
so I guess that will work.

Thanks everyone for the help.

PH



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