Re: Run a 486/33MHz CPU at 40 or 50MHz?

Article View: comp.sys.ibm.pc.hardware

Article #19832

Back to comp.sys.ibm.pc.hardware Previous Next

#19832

From: stan
Date: Sun, 10 Jan 1993 12:05

22 lines
1085 bytes

In article <1993Jan8.100550.9995@ac.dal.ca>
francis@ac.dal.ca writes:

> I have a 486DX/33MHz system, and I have been told by the manufacturer 
that
> the motherboard is upgradeable to 50MHz by plugging in a new crystal and 
CPU.
> 
> Question:       Is it possible to plug in (say) a 40MHz or even a 50MHz 
crystal
>                 into the board *without* replacing the old (33MHz) CPU? 
> If so, is there a performance improvement or will the 486DX 33MHz chip 
just
> burn itself out, ie, has it been internally hardwired for the specified 
clock
> frequency of 33MHz?  I would like to hear from anyone who has attempted 
this
> (with/without success).
> 
I increased a 486sx25 to 40Mhz by adding a heatsink and fan. No problems.

Stan

Technical Details

Message-ID: <1868@ddbeano.Dundee.NCR.COM>

Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!hubcap!ncrcae!ncrhub2!ncrlnk!ncrdnde!ddbeano!stan

Show Full Headers

Complete Article Headers

Path: arc1-ca.pugleaf.net!sparky!uunet!gatech!hubcap!ncrcae!ncrhub2!ncrlnk!ncrdnde!ddbeano!stan
From: stan@ddbeano.Dundee.NCR.COM
Newsgroups: comp.sys.ibm.pc.hardware
Subject: Re: Run a 486/33MHz CPU at 40 or 50MHz?
Message-ID: <1868@ddbeano.Dundee.NCR.COM>
Date: 10 Jan 93 12:05:06 GMT
Sender: root@ddbeano.Dundee.NCR.COM
Lines: 22