Funny how that post seems more likely to be the son locked out by his Mom than the other way around.

Restart and hold down the C key to boot from a CD.

Make sure you update the firmware on the iMac before you attempt to install OS X.

Correct, OS 9.1. However, you cannot download (legally) an update from 8.x to 9.x.
That has to be purchased.

There should have been a power cable that plugs from the existing power supply into the PCI card.

Perhaps there isn't enough power being provided to the devices via the USB card? If the USB hard drive is powered only via USB, I wouldn't be shocked if it didn't show. Have you tried a simple, low...

Got a firewall?

The hub shouldn't make a difference, as thereis a 0% chance your Mac handles USB2.0. It's definitely a USB 1.x. I'd suggest taking the hub out of the loop for the moment, hooking it up directly and...

Actually there is...

OS 8 / 9 and Legacy Hardware (http://www.daniweb.com/techtalkforums/forum100.html)

What troubleshooting have you done?

That would be RealMedia.

http://www.real.com

No, OS X has to be installed while booting from the CDs, in your case.

Classic (as OS9 has been depricated to) is not installed as standard with Tiger. However, since you already have 9.2.2...

It's possible in any version of Mac OS, but you have to turn of File Sharing first before you can change it's name.

AFAIRemember, sharing in 9.04 was the same as in 9.1. But it's been a very...

Having Classic (OS9) installed should NOT stop you from installing anything. Any installer that complains about Classic being installed.. Classic is in no way referenced by OS X until it's actually...

No you cannot.

On your keyboard, hold down the Apple key, the Option key, the Control key, and then press the 8 key. Your screen color will shift between inverted for the sight impaired, and normal.

Apple-Option-Control-8

I meant it more as a warning NOT to buy an OS 9 installer that was 9.2.1 or 9.2.2.

Try and stick with 9 or 9.04. All the upgrades are free and available from Apple anyway.

Apparently the maximum OS that a Performa 6200 could handle is OS 9.1. So when you purchased OS9 from where ever, keep that in mind.

Unless your OS X and OS 9 installs are on different partitions, you can only boot into OS X from OS 9 by holding down X at boot (no, holding down 9 at boot will not boot you into OS 9). If they are...