My Power Mac G4 booted from an OS 9.1 install CD, and then froze up.  Now I turn the machine on, beeps 3 times, power button blinks 3 times.  What does this mean?

I tried to install Mac OS 9.1.  I turned the computer on, heard the bong noise (although with some static), and inserted the OS 9.1 installation CD.  It started to boot, but froze up.  I rebooted the machine, and the same thing happened.  One more reboot, and i get 3 beeps and the power button is blinking.  What does this mean?

Hi, it indicates a RAM problem, (or Logic Board around the RAM).
The power on self-test resides in the ROM of the computer. This test runs whenever the computer is turned on after being fully shut down (the power-on self-test does not run if the computer is only restarted).
If a fault is detected during the test, you will not hear a normal startup chime. Instead, the system will beep as explained below. If you experience one of these beeps, you may call your Apple Authorized Service Provider for additional troubleshooting assistance.
1 beep  = no RAM installed
2 beeps = incompatible RAM types
3 beeps = no good banks
4 beeps = no good boot images in the boot ROM (and/or bad sys config block)
5 beeps = processor is not usable
In addition to the beeps, on some computers the power LED will flash a corresponding number of times plus one. The LED will repeat the sequence after approximately a 5-second pause. The tones are only played once.
Note: In this case, a flash is considered to be 1/4 second or 250 ms or greater in length.
http://support.apple.com/kb/ht1547

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