On Friday, February 21, 2003, at 05:37 PM, Robert Eye wrote: > No, there's nothing wrong with his story. He didn't say he couldn't > run 9.x, he said he couldn't run 9.0. > (Yes, you can run 9.1 on your PB5300, but you can't run 7.5.1 or > earlier on it!) > > There are limitations placed in the ROM that prevents some Macs from > running versions of the MacOS *earlier* than their production version. > (E.g. you can't run system 7.0.x on a Centris 650, anything earlier > than 8.1 on an original iMac or earlier than 8.5(?) on the > fruit-flavored iMacs. I'll bet you can't run anything earlier than > 9.0.x on the LCD iMacs, either.)
you're looking at it a little backwards by saying the limitation is in the computer's ROMs. actually..... older Systems just don't have software capable of driving the newer hardware. > Now to the main question: you should be able to install a UNIVERSAL > version of the OS on the iMac, update it to 9.2.2, and then copy it > over via ethernet (What's on the iBook now? You'll need to have > something on it to enable the ethernet connectivity. You didn't get > Install/Restore disks with it?). The system may need to be "blessed" > before it will boot. only if the "universal" CD (normally called a 'retail cd') is newer than the OS that shipped on the computer. for instance... a Mac that shipped with OS 9.0 will NOT boot to a retail OS 9.0 CD. why? because that mac doesn't really have OS 9.0 on it, it has OS 9.0 Plus-whatever-is-needed-for-this-newer-hardware -- notably, it needs a newer Mac OS ROM file that was not available when the Retail OS 9.0 CDs were pressed. -- The iMac List is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | - Epson Stylus Color 580 Printers - new at $69 | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> iMac List info: <http://lowendmac.com/imac/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/imac-list%40mail.maclaunch.com/> --------------------------------------------------------------- >The Think Different Store http://www.ThinkDifferentStore.com ---------------------------------------------------------------
