Strange PMG4 Sawtooth Noise

[7254278]

Hi all,
Every few hours I notice a strange siren type noise, its is fairly low volume and it doesnt come from the speakers. The noise kinda sounds like a police siren and goes on for about 2-5 seconds. It is running OS X 10.3.9. I am just curious what this noise is and what it means.

There are also some other strange things going on with my powermac, such as:
It takes a long time for the video card to send a video signal to the monitor while starting up, the screen is black until the login screen shows up.
There is also no startup chime.

 

[Lacero]

Your RAM is failing.

 

[7254278]

Your RAM is failing.

May I ask how you arrived to that conclusion? Also is it the ram or the ram slot?

 

[macEfan]

probally the ram itself, slots dont ususally go bad.

 

[7254278]

Also this noise only happens every few hours. It isnt constant.

 

[reberto]

Also this noise only happens every few hours. It isnt constant.

Your rma is dying. I read up on it in MacAddict.

 

[7254278]

Anybody have a link to this? Also its only 1 ram stick not all of them right?

 

[reberto]

Anybody have a link to this? Also its only 1 ram stick not all of them right?

Try running your computer with 1 ram stick at a time. That should help pin-point the ram stick.

 

[7254278]

Try running your computer with 1 ram stick at a time. That should help pin-point the ram stick.

Thing is in system profiler the right amount of ram shows up and the siren only happens every few hours so it would take a while to figure it out.

 

[macEfan]

take out the one you added last first