Re: CPU error codes

Dan Hollis (goemon@anime.net)
Wed, 31 Jan 2001 13:33:30 -0800 (PST)


On Wed, 31 Jan 2001, James Sutherland wrote:
> On Wed, 31 Jan 2001, Alan Cox wrote:
> > Parity/ECC on main memory is reported by the chipset and needs seperate
> > drivers or apps to handle this
> Yes - MCE only covers errors in the CPU's cache, IIRC? (Is there still an
> NMI on main memory parity errors, or has this changed on modern
> chipsets? Presumably ECC is handled differently, being recoverable??)

You can program the northbridge to generate NMI or not, on ECC errors.
Most chipsets still need to scrub memory after an error to reset ECC bits.

-Dan

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