Article View: comp.sys.ibm.pc.hardware.chips
Article #133Re: Will overclocking my DX4/100 burn my PC ?
From: Needham / Tate Stewart (ISE)
Date: Tue, 15 Aug 1995 00:00
Date: Tue, 15 Aug 1995 00:00
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2334 bytes
In article <yal.4.0006DA49@lingua.cltr.uq.oz.au>,
Yvette Lian <yal@lingua.cltr.uq.oz.au> wrote:
>In article <DD8wnM.A6D@ipswichcity.qld.gov.au> smiteq@gil.ipswichcity.qld.gov.au (Enter your name here ???) writes:
>>DX2 chips fited to 33 MHz boards become... automaticly on boot... 66
>>MHz internal clock speed chips. DX4 CPUs are actually four times 25
>>MHz for those who cant add up and yes, you can over clock a DX4-100 to
>>130 Mhz by using a 33MHz. base but the chances of the chip being
>>reliable at that speed are not good.
>
>Just as a point of semantics here, the DX4-100 is actually a clock-TRIPLED
>33MHz CPU. Not 25MHz. I'm told the reason Intel used DX-4 as opposed to DX-3
>is that some other company was using the DX3 notation. To be strictly
>correct, all DX4-100 machines are actually DX3-99, but they're referred to as
>4-100s because dx3 was already in use.
>
my understanding is that the base clock of 33Mhz is actually 33.33333 or something close to that, therefore when the
clock is tripled it is actually 99.99999 which is pretty damn close to 100Mhz.
(have a look on your crystal, mine says 33.3333Mhz)
.t
*******************************************************
" Where you should be Today - OS/2 Warp"
Tate Needham - u933692@student.canberra.edu.au
- spud@acslink.net.au
*******************************************************
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10d683,ff70e22be99c1dc X-Google-Attributes: gid10d683,public X-Google-Thread: 1045b9,ff70e22be99c1dc X-Google-Attributes: gid1045b9,public X-Google-Thread: f70d1,ff70e22be99c1dc X-Google-Attributes: gidf70d1,public X-Google-Thread: 110292,ff70e22be99c1dc X-Google-Attributes: gid110292,public From: u933692@student.canberra.edu.au (Needham / Tate Stewart (ISE)) Subject: Re: Will overclocking my DX4/100 burn my PC ? Date: 1995/08/15 Message-ID: <40oui8$ict@csc.canberra.edu.au> X-Deja-AN: 108137015 references: <4091qt$g6u@peng.ping.at> <Pine.SV4.3.91.950812185638.6940G-100000@melbourne.DIALix.oz.au> <DD8wnM.A6D@ipswichcity.qld.gov.au> <yal.4.0006DA49@lingua.cltr.uq.oz.au> organization: University of Canberra, ACT, Australia newsgroups: comp.sys.ibm.pc.hardware.chips,comp.sys.intel,alt.comp.hardware.homebuilt,aus.computers.ibm-pc