Re: The Jumperless Pentium Mainboard

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Article #2049

#2049

From: Videoman
Date: Fri, 08 Nov 1996 00:00

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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.

(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.

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<55j9q4$dtf@voyager.iii.org.tw> <55q9ik$nrq@mtinsc01-mgt.ops.worldnet.att.net> <55rvq3$887@reader.seed.net.tw> <55s7l1$ksa@nntp1.best.com> <3281E6B4.6679@se.bel.alcatel.be> <55u2ni$1nc@reader.seed.net.tw>

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From: Videoman <videoman@tiac.net>
Subject: Re: The Jumperless Pentium Mainboard
Date: 1996/11/08
Message-ID: <3282C068.6CB@tiac.net>
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references: <55j9q4$dtf@voyager.iii.org.tw> <55q9ik$nrq@mtinsc01-mgt.ops.worldnet.att.net> <55rvq3$887@reader.seed.net.tw> <55s7l1$ksa@nntp1.best.com> <3281E6B4.6679@se.bel.alcatel.be> <55u2ni$1nc@reader.seed.net.tw>
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