>>Ryan Rempel, the author of XPsotFacto, is working on getting around >>it but the nature of the refusal to even get to the 'Happy Mac' >>screen indicates the latest version of the OS X Mach Kernel has been >>rigged to refuse to boot on a 603/604 machine. > >So in other words, Apple pulled a dirty "hardware detection" trick >in 10.2 that wasn't there previously.
I don't know if 'rigged' and 'dirty' are good adjectives in this case. Apple was clear about what hardware they were going to support with OS X. It so happens that as aprt of the OS X development process, suppport for 604 processors was not removed from early versions of OS X. >I don't understand that at all. If people want to try to run OS X >on other (unsupported) hardware, it's no skin off Apple. So why do >it? With 10.2, if I was an Apple developer, I would view code for unsupported hardware as old, stale cruft, and remove it to gain speed. >Isn't the kernel part of Darwin, and therefore OSS? Yes, but the kernel for 10.2 has not been released yet as part of a new Darwin release. It may be part of the Darwin CVS, but Apple does not keep the Darwin CVS and the OS X code in sync, so I doubt the code in Darwin CVS is Apple's latest. The Darwin CVS gets updated piecemeal from the OS X code. Yes, it _may_ be possible to put the code for 604 processors back in the 10.2 kernel, but the kernel may have changed too much to make it easy. For instance, there may be sections written in assembly code for better performance, and the assembly code _may_ use G3/G4 assembly code that will not run on older processors. Upgrade cards for beige PowerMacs are not that expensive, and almost a requirement to be productive with OS X in my opinion. OS X doesn't run on my Quadra 900 or IIfx either. Cameron would say that is what NetBSD is for ;) At 5:46 PM +0300 8/19/02, Heli ja Timo Heikkil� wrote: >hello, >I have a PPC 7100/80 with Sonnet upgrade card up to 480Mhz and 104Mb >RAM, so I wonder whether I can run OS X with this machine No, sorry. >and- does >PPCLinux run on my machine or does it need Open Firmware -or something? Your best bet is MkLinux or NetBSD (or Mac OS 8.6). -- Charles Dostale System Administrator Silver Oaks Communications http://www.silveroaks.com 824 17th Street Moline IL USA 61265 [EMAIL PROTECTED] 309-797-9898 -- MaX-list is sponsored by <http://lowendmac.com/> and... / Buy books, CDs, videos, and more from Amazon.com \ / <http://www.amazon.com/exec/obidos/redirect-home/lowendmac> \ Support Low End Mac <http://lowendmac.com/lists/support.html> MaX-list info: <http://lowendmac.com/linux/max.shtml> 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/max-list%40mail.maclaunch.com/> Using a Macintosh? Get free email and more at Applelinks! <http://www.applelinks.com>
