Guys : How is it possible to speed up the internal bus ??
Mine runs at 45 MHz... M --- Alan Roberts <[EMAIL PROTECTED]> wrote: > It is a Power Tower Pro. I have two working PTP > motherboards right now. > One is a finicky sort, won't run stable above > 54.6(below that is > perfectly fine though), no matter what, even with > deinterleaved memory. > The other I have gotten to run up to 59.6MHz with > rock solid stability, > memory interleaved. It is rare for a PTP to run very > much over 60 > though, and I doubt ANY exist that could actually > reach 66MHz or > higher. Most Tsunami-based boards can reach similar > speeds to what I've > achieved though. > > The upgrade cards are often as much or more of a > limiter than the > motherboard. I have 3 Carrier ZIF cards which I have > tried out with the > same processor on the second motherboard I > mentioned. One would not run > stable over 54MHz. Second only got 56MHz. Third one > was the one stable > up to 59.6MHz. All 3 tries were with interleaved > memory. CPU, > configuration, etc. was all exactly the same, only > the Carrier card was > changed. Have found no real explanation for why this > occurs, seems to > just be one of the many quirks encountered in these > older systems. > > - Alan > > On Jul 30, 2005, at 6:43 PM, Gene Osburn wrote: > > >> The PTP motherboards are usually capable of > running up to 60MHz, > >> sometimes faster; all of them should be able to > run at least 50MHz. > >> Some of the older 604 CPU cards used lower bus > speeds for various > >> reasons, mostly techy bits involving the CPU > multipliers and such. > > > > Are you sure the PTP bus can be pushed that high? > What's the highest > > stable bus setting you've personally achieved with > a PTP? I think you > > may have the PCP (PowerCenter Pro) in mind when > you mention "up to > > 60MHz, sometimes faster".... > > > > > -- > PCI-PowerMacs is sponsored by > <http://lowendmac.com/> and... > > Small Dog Electronics http://www.smalldog.com | > Refurbished Drives | > -- Sonnet & PowerLogix Upgrades - start at $169 | > & CDRWs on Sale! | > > Support Low End Mac > <http://lowendmac.com/lists/support.html> > > PCI-PowerMacs list info: > <http://lowendmac.com/lists/pci-powermacs.shtml> > --> AOL users, remove "mailto:"; > Send list messages to: > <mailto:[email protected]> > To unsubscribe, email: > <mailto:[EMAIL PROTECTED]> > For digest mode, email: > <mailto:[EMAIL PROTECTED]> > Subscription questions: > <mailto:[EMAIL PROTECTED]> > Archive:<http://www.mail-archive.com/pci-powermacs%40mail.maclaunch.com/> > > iPod Accessories for Less > at 1-800-iPOD.COM > Fast Delivery, Low Price, Good Deal > www.1800ipod.com > One of the symptoms of an approaching nervous breakdown is the belief that one's work is terribly important. (Bertrand Russell) __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- PCI-PowerMacs is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | -- Sonnet & PowerLogix Upgrades - start at $169 | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> PCI-PowerMacs list info: <http://lowendmac.com/lists/pci-powermacs.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[email protected]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive:<http://www.mail-archive.com/pci-powermacs%40mail.maclaunch.com/> iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com
