Supply Definition and 504 Threads

With a loud pop and a puff of smoke my 300 W ATX power supply died last night and I find myself looking to quickly buy a new one. I was wondering if I should replace it with a higher power one. I ran this one for 3 year with most of this hardware without any noticeable problems. Rather than...

hi, I want to power a digital pen using a USB connected to the PC. What is the exact procedure for this...as in do i require any external circuitry? I also heard about this DTR pin which when permenantly enabled, acts as a power supply. can anyone enlighten me about these things? thanks.

What's a good online chemical supply co? (cheap, fast, reliable) I'm looking for the following to do a experiment: Aniline 4A Molecular Sieves Dry Methanol Tetrahydrofuran (THF) HCL NaCl NaOH CH2Cl2 Pyridine Propionyl Chloride Acetone

My power supply is making weird sounds! HELP Hey guys, my power supply (possibly my cpu fan - but i think its the power supply) is making funny sounds, like a dieying chicken, its getting really loud, then really quiet. Acting strange, I detached it from my case, and I am trying to figure out...