Hi,
On Wed, 27 Dec 2000, Robert Redelmeier wrote:
> Sander Smeenk (CistroN Medewerker) wrote:
> > We've all seen this warning before I think? APIC error on CPU1: 08(08)
> >
> > Well I'm 101% sure it's memory related...
> This is a very interesting observation. Especially if both
> your new and old memory is nominally good (passes memtest-86
> and my burnBX and burnMMX utils).
>
> The strange thing is there is no logical reason for the quality
> of memory to induce APIC errors. The CPU APICs and the IO-APIC
> communicate by a totally separate two-wire "bus" that runs at
> BCLK/4 (17 MHz for a stock 66 MHz). The busses even run in
> different directions: The APIC bus runs from one CPU to the
> next then [overlong] to the IO-APIC inside the southbridge.
> The memory bus runs from the DIMMs to the Northbridge where
> SDRAM signals are buffered before being fed to the CPUs.
>
> But just because I can't see memory affecting the APIC doesn't
> means it doesn't. It just means I can't see :)
Maybe it is a matter of the power supply. Two SDRAM stripes
probably sink more power, and by this some voltage may change
a little bit.
Cheers -e
--
Eberhard Moenkeberg ([EMAIL PROTECTED], [EMAIL PROTECTED])
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