HT201364: OS X Mavericks system requirements

Learn about OS X Mavericks system requirements
charles arnsby

Q: I have a Power Mac G# B&W, 400 Mhz, Igh mem. I have installed OS X Leopard on it. It request I install OS 9.1 classic to accommodate the classic programs. I have serveral OS 9.1 install and restrore disk. I have tried several but with no avail. I prompts

I have a power mac G3, B&W, 400 Ghz. 1gHz mem. I have installed OS 10, It says I may install OS 9.1 later. I have 9.1 installation and restore disk at my disposal. Which do I use and  how can I install updated firmware before installation? I have tried ti install OS 9.1 but I keep getting the error messege "my firmware is out of date". What am I doing wrong. Please help me!

PowerMac

Posted on Jan 8, 2014 7:40 AM

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Q: I have a Power Mac G# B&W, 400 Mhz, Igh mem. I have installed OS X Leopard on it. It request I install OS 9.1 classic to accom ... more

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