Will wrote: > It likely a 500mhz super over clocked > just kidding but who knows since it's from Sonnet ;-) If one company > can do it the others will likely as well. Just when we think the end > is nearing for our machines they come up with a new upgrade. Everyone > said 500-550 mhz was the limit. Well it seems they were wrong!
Actually, there are some mathematical limits, but I can't recall all the variables -- like whether they applied to the Tsunami (S900, S910, J700) logic boards or just the Alchemy ones (C500, C600). I'll try to check with another ex-UCC'er this week. With the 603 (and 604?) architecture, the maximum processor speed is 6x the bus speed -- meaning in a C500 or C600, the fastest 603e processor that could be used was 240MHz (6 x 40MHz). CacheDoubler got around this by creating a mini-bus running at 80MHz, thus raising the maximum possible 603 speed to 480MHz. The fastest 604 speed would be 300MHz (6 x 50MHz). With a G3, the maximum processor speed is 8x the system bus speed, or 320MHz in an Alchemy system and 400MHz in a Tsunami system. G4's may apply an even higher multiplier. Of course, if anyone's actually running a G3 at faster than 400MHz in an SuperMac Tsunami system, then there are some holes in the plot. -Kennedy -- SuperMacs is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | Service & Replacement Parts [EMAIL PROTECTED] | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> SuperMacs list info: <http://lowendmac.com/supermacs/list.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/supermacs%40mail.maclaunch.com/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
