Messages in this thread | | | Date | Mon, 6 Mar 2000 21:51:02 +0100 | From | Vojtech Pavlik <> | Subject | Re: [OT] fpu IRQ x86-ism |
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On Mon, Mar 06, 2000 at 11:14:13AM -0800, B. James Phillippe wrote:
> Sorry for this somewhat OT question - I'll try to be brief. I have always > noticed that on x86 Linux boxes, IRQ 13 is for the FPU and is always "1" (I > assume this is from probing or testing at bootup). This value never seems > to change, so again I will assume that it is only used to signal FPU > errors. There is no "fpu IRQ" on my Alpha, obviously it has an FPU as > well. Is it's existance on the PC just some lame legacy issue?
Yes.
-- Vojtech Pavlik SuSE Labs
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