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Old 04-01-2005, 02:25 AM   #1
Registered: Mar 2005
Location: South East England
Distribution: Mandrake 10.1 Discovery
Posts: 34

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noapic boot option

Hi guys,

To be able to run mdk 10.1 I have to use the command 'linux noapic'.

Now I know that this turns off kernel support for apic (advanced programmable interrupt controller I later found out), but what exactly is this doing (in laymans terms)?

What is the impact on my system by doing this?

What wont I be able to do :-)

It appears that many people have to run linux this way but I have yet to find out what this really does.

Thanks for input!
Old 04-01-2005, 03:28 AM   #2
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Registered: Jul 2004
Location: Lower Rhine region, Germany
Distribution: Slackware64 14.2 and current, SlackwareARM current
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Here you find a post about this. It has a link to a page, where the Advanced Programmable Interrupt Controller is explained in detail.
Old 04-01-2005, 04:05 AM   #3
Registered: Mar 2005
Location: South East England
Distribution: Mandrake 10.1 Discovery
Posts: 34

Original Poster
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Thanks. Looks like I dont have to worry about this on my Dell system as its only a single cpu...


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