My suggestion at this point would be to put OS 9 on its own partition if you haven't done so already. It sounds like it might be OS X or something OS X has done to the firmware of the machine, being a bit cranky.
If you just need OS X (but not OS 9) for now, don't bother messing around with the setup too much, because Mac OS X and Mac OS 9, I have found, don't coexist particularly well.
I've also personally experienced situations in which (I think) dual-booting has caused OS X simply to fail, causing much worry on my part. (However, a reinstall-in-place fixed it with no data loss, I ended up returning to single-booting that machine, and using OS 9 on another.) Your mileage may vary, however.
If you can manage it, what I would do if you direly need OS 9, (on the same computer) is probably to put a secondary hard drive in and try OS 9 on that, while leaving the 120-gig drive for OS X. When you can, backup/archive the 120gigger onto CDs (ouch!) or DVDs (still..) and at that point, install OS 9 first.
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If you just need OS X (but not OS 9) for now, don't bother messing around with the setup too much, because Mac OS X and Mac OS 9, I have found, don't coexist particularly well.
I've also personally experienced situations in which (I think) dual-booting has caused OS X simply to fail, causing much worry on my part. (However, a reinstall-in-place fixed it with no data loss, I ended up returning to single-booting that machine, and using OS 9 on another.) Your mileage may vary, however.
If you can manage it, what I would do if you direly need OS 9, (on the same computer) is probably to put a secondary hard drive in and try OS 9 on that, while leaving the 120-gig drive for OS X. When you can, backup/archive the 120gigger onto CDs (ouch!) or DVDs (still..) and at that point, install OS 9 first.
_________________
[Insert Cool Signature here!]