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OS/Startup disk swapping problems

Everything from grey screen of death to the exclusion of a hard disk

         

BudIcePenguin

4:14 pm on Aug 18, 2003 (gmt 0)



I saw your thread on the grey screen of clear and present doom (http://www.webmasterworld.com/forum49/242.htm), and thought you might be able to help me with this:
After switching to OS X almost completely, I have found that some applications only work under OS 9, not under classic. When I try to change back to OS 9 by selecting OS 9.2.2 on the main hard disk (we'll call it hard disk A), the system starts up from the second hard disk (for the sake of sanity, hard disk B). Hard disk B does not have OS X, but the OS 9 on disk B is prepped for classic, and should be able to recognize a unix filetree as used under OS X. However, when the system does start from disk B, disk A is unrecognizable. If i'm lucky, starting from a bootable OS CD can switch the system back to disk A, but this doesn't always work. After trying various things, i found myself at the grey screen, which led me here (i forgot the zap-pram key combo, this did eventually decide to work, but sent me immediately back to disk B). Have i missed something out in prepping disk B to cope with OS X? is my best bet to install OSX on the second disk as well, or perhaps to remove the OS 9 on disk B?

Yidaki

7:41 pm on Aug 19, 2003 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



I'd install MacOS 9 on disc a (the MacOSX disc - the same partition where MacOSX is installed) and select this system at startup. You can select which version you want to boot from by holding the option key at startup. This'll give you a list of the available (bootable) OS's on your discs. Select the newly created MacOS 9 system folder and it should work. If not post again! ;)