🚀 go-pugleaf

lduguay@Mlink.NET (Luc Duguay) wrote:
>Videoman (videoman@tiac.net) wrote:
>: abit wrote:
>: > 
>: > for example, If you set the external clock to 200mhz but you just installed
>: > a Intel Pentium 100 CPU. You will get a booting failure and even no any
>: > display.
>: > 
>: > The BIOS always detect the power on status and make a record in CMOS
>: > register. The BIOS will set the CPU type to the default value when the BIOS
>: > detect an unsuccessful power on.
>: > 
>: > product marketing
>: > 
>: > ABIT computer Corp.
>: Interestings. What is the "default value" then? Pentium? K5? 6x86?
>: It sounds like there could still be problems.

[abit] The BIOS can detect the CPU brand. So the "default value" will be
       the lowest clock of detectd brand.

>: (Besides, we like jumpers! Especially when they fall off onto the
>: motherboard and down between some cards that then have to be removed to
>: get at it... :))
>: P.S. If the CPU doesn't boot, then how can the BIOS (a ROM chip, the
>: code of which has to be executed by something) set a value in CMOS? Is
>: there an additional microcontroller onboard to do these tasks? Not a bad
>: idea, since a microcontroller may become std equipment when the I2O spec
>: starts to get implemented.
>Maybe that stupid turbo switch could be used to reset certain parameters like
>Clock multiplier, external clock frequency. Of course you would have to
>put a nice plastic cover on the switch (aircraft style).
>Actually this should be very simple and cheap to implement.