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Date: | Thu, 10 Jun 1999 20:26:19 -0400 |
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I have a general comment about this and one other incorrect speed report on an
AMD processor. I thought I read somewhere that the speeds listed for these
processors was "pentium equivalent" and not the actual clock speed. Is this
correct, or possible in this case?
Dave Gillett wrote:
> On 7 Jun 99, at 14:39, Jeffrey Delzer wrote:
>
> > I recently replaced a motherboard for a client, and now when it boots it
> > shows the wrong CPU speed. I double checked the jumpers against the
> > charts in the mobo manual, and all appear to be set correctly. (66 MHz
> > FSB, 3.5x multiplier)
> >
> > During POST, the BIOS reports a 240 MHz CPU. Is that 'normal' for this
> > combination? Or have I missed a setting or jumper somewhere?
> >
> > FIC PA-2013 mobo
> > AMD K6/233 CPU
>
> Two possibilities spring to mind:
>
> 1. (Less likely)
> I've worked with a few boards on which matching the jumpers in the manual
> to the board was extremely confusing. What would 4.0 x 60MHz look like?
> DOes it resemble 3.5 x 66 (rotated, inverted, or other simple relationship)?
>
> 2. (More likely)
> The BIOS may be figuring the speed by timing some loop of instructions.
> Depending on the precise instructions used, it's possible that this measured
> difference could simply reflect the performance of the AMD CPU versus the
> Intel part that the code was no doubt designed for.
>
> David G
>
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