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echo: locsysop
to: Bill Grimsley
from: Rod Speed
date: 1996-04-26 09:34:08
subject: DX5/133

BG> This new board already auto-detects the CPU voltage, which I though
BG> was rather elegant.  Pity about the god-awful WinBIOS though.

RS> Dunno, they all have their downsides. Those fucking Awards which have
RS> the same version number, even right down to the trailing subversion
RS> letter letter, some with and some without LBA support are a total
RS> pain in the arse coz you cant be sure of LBA support from the version.

BG> Dunno, my first _high-speed_ PC (386DX33 :-)) used an Award BIOS,
BG> and it was fucking atrocious, but over the last 6 years, they've
BG> really lifted their game. I started using them again around the
BG> middle of last year, and none of them had problems with LBA,
BG> so I presume that you mean those which preceded this era.

Nope, 4.05g specifically, well within the last 6 years. And its 486s too.

BG> Some of the fellows in the internet newsgroups have successfully
BG> run the DX5 with a 50MHz clock (200MHz internally) on PCI boards,

RS> I'm gunna report them to the RSPCC. You want to watch out, it is
RS> possible to kill a cpu if you get too carried away. Which can ruin
RS> the day rather more than somewhat with the more expensive cpus.

BG> So people keep telling me, but just like unapproved modems,
BG> nobody can actually name anybody to whom this has happened.

RS> Vernon Frazee in the International Tech echo has killed some.

BG> He's been around for a few years now,

Yes.

BG> and a lot of what he says is quite weird,

Nope, and almost anyone can tell if a cpu is dead or not.

BG> so I tend not to pay too much attention to him at all.

You can do whatever you like Bill. He has killed some anyway.

RS> Its certainly very uncommon to do so tho.

BG> I'm not suggesting that it can't be done, but the worst that I've heard
BG> of locally is that if clocked too high, the CPU won't even fire up.

Sure, its not common at all to kill them.

BG> Still, it makes you wonder just how much more they can squeeze
BG> from 486 technology.  Seems it isn't totally obsolete yet.

RS> Yeah, interesting to watch, and interesting
RS> how cheap say the 486DX2/66s are too.

BG> BTW, DX2s are no longer available new (old stock notwithstanding). 

Depends on the brand etc.

BG> DX4/100s are the slowest 486 CPUs you can currently buy these days. 

Nope.

BG> Amazing.

Not really, its inevitable.
@EOT:

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