iMac beeps 3 times at startup?

Posted:
in Genius Bar edited January 2014
I have a 3rd generation CRT iMac that just freaked out.



It runs OS 9, so naturally I reboot it daily. :0)



I went to reboot it today and it never came back to life.



It starts up, beeps LOUD 3 times, and then the green power button changes to orange and flashes FAST 3 or 4 times. No CRT, no drive activity (booting), nothing. Just a blinking orange button. Yikes.



Is she dead, Doc?



I read this:



http://docs.info.apple.com/article.html?artnum=58780



I reset the PMU and I reseated the RAM. No luck



Another doc say this:



1 beep = no RAM installed

2 beeps = incompatible RAM types

3 beeps = no good banks (thats me?)

4 beeps = no good boot images in the boot ROM (and/or bad sys config block)

5 beeps = processor is not usable



The iMac hasn't had ANY hardware upgrades or FireWare flashes in years. It's in a realitivly cool place with no direct sunlight. How could my RAM die on me?
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