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- Path: sparky!uunet!psinntp!cayman!carl
- From: carl@Cayman.COM (Carl Heinzl)
- Newsgroups: comp.sys.ibm.pc.hardware
- Subject: Re: Run a 486/33MHz CPU at 40 or 50MHz?
- Message-ID: <CARL.93Jan12112416@atlantis.Cayman.COM>
- Date: 12 Jan 93 16:24:16 GMT
- References: <1993Jan8.100550.9995@ac.dal.ca> <1993Jan8.172942.7869@news.clarkson.edu>
- <up47198@zola.esd.sgi.com>
- Sender: news@cayman.COM
- Organization: Cayman Systems Inc., Cambridge, MA
- Lines: 24
- Nntp-Posting-Host: atlantis
- In-reply-to: blean@rwb.esd.sgi.com's message of 12 Jan 93 05:46:42 GMT
- bcc: carl
-
-
- >|> Now the question is that how far you can increase the speed. There is
- >|> no rule here, it may run at only 1% or as high as 30% above the rated
- >|> speed.
-
- >Are DX2's as push-able ad DX's? I.E. would you be likely to be able to
- >successfully raise 33mhz to 40 mhz, and with a DX2-66 have 80mhz internally?
-
- Very doubtful. Remember, when you're pushing a 33 to 40 you're
- pushing a chip that was actually designed to run at 50 Mhz but this
- particular part didn't make the cut (at 50).
-
- The real question to ask would be... "Has anyone successfully pushed a
- DX50? And to what speed. Of course the inherent problems with this
- scheme is that most motherboards are only designed to run at a maximum
- of 50 Mhz so it would be difficult to tell if the CPU is failing or if
- the motherboard is inducing the failure.
-
- Be sure to change the bus clock speed divider when pushing the CPU
- speed or you may notice a failure due to the increased speed of
- peripheral cards.
-
- -Carl-
- --
-