Messages in this thread | | | From | (Alan Modra) | Subject | Re: [PATCH] NMI trap revised (was Re: NMI errors in 2.0.30??) | Date | Fri, 9 May 1997 11:53:16 +0930 (CST) |
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> +! > +! Set NMI reporting bits > +! RAM parity error set with 0x04, I/O parity error set with 0x08 > +! > + inb al, 0x61 > + or al, #0x0C > + call delay > + outb 0x61, al > + call delay > + > ! Get hd0 data > > xor ax,ax ! clear ax > >
NO! NO! NO! Some people, believe it or not, have systems without RAM parity.
And, in case someone is wondering, on the PC-AT architecture it's not possible to get the address of the read that caused an NMI. (without disassembling code etc. etc.)
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