[Sassiix]

I have an old P3 HP Pavillon 6635 and just purchased 2 256 pc100 sticks of RAM. I installed them and they are the right sticks for the unit but when I turn it on all it does is a series of beeps. Is there something I can do to get the machine to see the RAM? I have done plenty of research online and other people have gotten this unit to take 512mb of RAM but they didn't post HOW they did it. So... any help??
Thanks All!

[dustyjay]

What do the series of beeps sound like? just the same pitch beep repeated maybe of different lentgh, or a two tone beep similar to a European Police Siren?

[Sassiix]

It is the same pitch beeps repeated 6-10 times in a row and then where the Windows XP would normally load.. Nothing. I have recently reloaded the OS..Could it be that I need to update the BIOS again?

[dustyjay]

The settings maybe but I would not suggest a bios update (FLASH) unless it addresses a specific problem you are having or addresses a hardware update that you wish to make.

[dustyjay]

According to the Crucial website, your system can take a maximum of 256 MB Non ECC ram. But according to HP it would take a maximum of 512 but recommends only 256 MB. It takes PC66 or PC100 depending on your system. If you indeed have a PIII processor it may take PC66. the HP site is kind of confusing because it says that it will have a Bus Speed of either 100 or 133 depending on the processor. yet calls for pc66 or pc 100 ram.

[dustyjay]

according to HP the latest BIOS version is 3.07. is this the version of your bios?

[Sassiix]

Is there a setting that I can change to where it will take the 256 sticks? And if so where would I go to change that? Thanks for all of your help! The sticks are pc100

[JohnWill]

PC-100 will work fine in a machine that is looking for PC-66, it's just going slower that's an issue.

There is no setting to make the machine accept memory sizes that it isn't designed to accept.