I have a

HP Pavillion a 220n
2600+ 2.08 GHZ AMD Athlon XP Processor
512 MB DDR SDRAM memory
120 GB Hard Drive
CD-RW Drive
DCD Drive
NVIDIA GeForce MX 4MX graphics with 64 MB DDR shared video memory

soooo, will it work?

Everything looks ok, but I dont know about the video card. Oblivion is one of those picky games that wont play on some video cards even if it's better than another one that it supports.

Here are the requirements for yours and/or someone that knows video cards reference.

Short answer: poorly.
Long answer. GF4 MX are not worth beans with a modern game. Go buy yourself some piddly cheap current generation low end raedon or geforce instead. if you can find one thats compatable with your motherboard.

well thats just damn great. I dont care much anyways, getting a 360 later this year, just wanted to try it out.

It's not like I paid money for it anyways.