----- Original Message ----- From: "Jim Arnott" <[EMAIL PROTECTED]> To: "PCI PowerMacs" <[EMAIL PROTECTED]> Sent: Monday, June 17, 2002 11:17 PM Subject: Re: What is it?
> If it's an Apple card, nope. If it's a Power Computing card, maybe. > Power Computing used an additional line on the card that Apple did not > impliment. > > From Power Computing Processor Upgrade document: (PowerCurve uses the > Catalyst architecture) > > "The Catalyst architecture requires the DTRTY line from the CPU. As none > of Apple's upgradable systems require this line, it was left > unimplemented in Apple's CPU card designs. To provide support for the > Catalyst design, Power has implemented the DTRTY line on unutilized and > compatible pins on Apple's original CPU card design. However, because > Apple's cards do not enable DTRTY, they are not compatible with Power's > Catalyst machines. Furthermore, any other third-party CPU cards that do > not provide for DTRTY are not compatible on Power's Catalyst systems. In > fact, the first generation of PowerWave CPU cards (those with the PCB > revision number 5000-604-01 on the back side) do not provide for DTRTY > and therefore are not interoperable with Power Catalyst systems." > > Jim I ran across some info about a year ago that claimed that any Apple card would work in a PowerComputing, but a PowerComputing would not work in an Apple. Now you're saying the opposite. What is this DTRTY line, a physical part of the processor? I'm confused. -- 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/> Using a Mac? Free email & more at Applelinks! http://www.applelinks.com
