mvallance Posted March 19, 2016 Report Share Posted March 19, 2016 Hello. I have an iBook G3 clamshell Graphite edition running OS X 10.3. I want to revert back to OS 8.5. I have the CD disk installer (an original). But when I insert the disk I cannot install the OS. How do I install 8.5 please? Michael = Quote Link to post Share on other sites
TheWhiteFalcon Posted March 19, 2016 Report Share Posted March 19, 2016 (edited) Minimum OS for the second gen iBook Clamshell is 9.0.4. The original model was 8.6 or higher. Edited March 19, 2016 by TheWhiteFalcon Quote Link to post Share on other sites
rezwits Posted March 19, 2016 Report Share Posted March 19, 2016 what white falcon said Quote Link to post Share on other sites
CC_333 Posted March 19, 2016 Report Share Posted March 19, 2016 Could 8.5 be used on the 1st gen iBooks if the later Mac OS ROM file from 8.6+ is used? c Quote Link to post Share on other sites
mvallance Posted March 19, 2016 Author Report Share Posted March 19, 2016 I have OS 9 CD (and 9.1 somewhere). The CD is ejected when I try to install OS so how do I actually install? Thanks. Quote Link to post Share on other sites
Byrd Posted March 19, 2016 Report Share Posted March 19, 2016 The optical drives on Clamshells (the same in iMacs) are prone to failure - try burning a CD-R of the disc, or use an external FW drive (if it had FW) Lastly why 8.5 on a PPC Mac? It's flaky, crash-prone and uses a lot of legacy 68K code - 8.6 and above were largely native PPC. Quote Link to post Share on other sites
mvallance Posted March 19, 2016 Author Report Share Posted March 19, 2016 It has Firewire so I will try that. Reason: I have OS X on new Macs so I want to have at least 1 Mac with OS 8.5 or 9. I will opt for OS 9. After that I hope to install PodRacer game, QTVR and Hypercard, maybe even Newton Connection kit if compatible ... all for demo purposes. Quote Link to post Share on other sites
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