Statux wrote:
> I thought the 486 turbo switches cut the speed in half (turbo off mode).
> We used to have a 486DX2 which ran at 66MHz.. and 33MHz in turbo off.
> <shrug>
The 'turbo' switch doubles the clock speed. Your DX2/66 CPU is really a DX/33
(notice the '2'). By setting the turbo on, you're doubling the clock, which makes
it run at 66MHz.
The same still applies today to current P, PII and PIII CPUs. It's the clock
speed that changes. The core CPU speed is still the same (either 66, 100 or 133MHz
[ we pitched 33MHz a while back ].) So, your 533MHz CPU is really a 133MHz CPU
clocked x4.
This is also how some CPUs are able to 'run faster than advertised' - by
changing the clock speed - or also known as 'overclocking'..
AMK4
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