Red Hat Bugzilla – Bug 495450
option pci=biosirq for jmicron chipset
Last modified: 2010-06-28 07:49:14 EDT
Description of problem:
My motherboard is MIS 7235 with chipset Jmicron JMB361 AHCI/IDE.
With x86 beta release (like other releases) I use the boot option «pci=biosirq» to be able to boot with the DvD.
But with the x86_64, if I use the same option I get the same result that if I don't use the option with x86. The first screen is not Check/Skip but
and an error message about the DvD reader which is not recognized.
If this option is not used with x86_64 what is the option to use.
With a LiveCD x86_64 I get an explicit message «biosirq is not a valid option».
So I can't start even the LiveCD.
Steps to Reproduce:
1. Boot with or without th option «pci=biosirq» with a DvD x86
2. Boot with or without th option «pci=biosirq» with a DvD x86_64
I can't install the x86_64 release.
I would install the x86_64 release.
biosirq is only supported on 32-bit (i586, i686) kernels.
You could try other options, like acpi=routeirq, acpi=noirq or pci=noacpi
I have just tried each option.
I can't boot with the DvD.
My reader is not recognized.
This bug appears to have been reported against 'rawhide' during the Fedora 11 development cycle.
Changing version to '11'.
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