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iMac G3 Q&A - Updated February 15, 2009
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What version of the MacOS is pre-installed on the iMac G3 models? Does the iMac G3 run the MacOS? Can it run MacOS X or just MacOS 9?
All iMac G3 models run a version of the MacOS and all iMac G3 models are capable of booting in both MacOS 9 and a version of MacOS X.
Likewise, the versions of MacOS X that are supported by all iMac G3 models -- MacOS X "Panther" 10.3.9 and lower on models with a 350 MHz or slower processor and MacOS X "Tiger" 10.4.11 on models with 400 MHz or faster processors -- are capable of running MacOS 9 within the "Classic Environment" as well.
The version of the MacOS pre-installed, as well as the maxium version of MacOS X supported is provided on the specs page for each system. However, this information also is provided below for your convenience:
iMac G3 |
Pre-Installed |
Maximum |
8.1, 8.5 |
X 10.3.9 |
|
8.5.1 |
X 10.3.9 |
|
8.6 |
X 10.3.9 |
|
8.6 |
X 10.3.9 |
|
8.6 |
X 10.4.11 |
|
8.6 |
X 10.4.11 |
|
9.0.4 |
X 10.3.9 |
|
9.0.4 |
X 10.4.11 |
|
9.0.4 |
X 10.4.11 |
|
9.0.4 |
X 10.4.11 |
|
9.1 |
X 10.4.11 |
|
9.1* |
X 10.4.11 |
|
9.1* |
X 10.4.11 |
|
9.1, X 10.0.4* |
X 10.4.11 |
|
9.1, X 10.0.4* |
X 10.4.11 |
|
9.1, X 10.0.4* |
X 10.4.11 |
*Please refer to the appropriate specs page for complete details.
If you need a system capable of running MacOS 9 applications or booting MacOS 9, please check out site sponsor Operator Headgap Systems, which specializes in refurbished, and often heavily upgraded, systems capable of booting in both MacOS X and MacOS 9. Site sponsor PowerMax also sells systems capable of running MacOS 9/Classic.
For more on MacOS 9, please refer to the MacOS 9/Classic Support Q&A.
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