My Self jagdish patwal i have used compaq SR1930 il dasktop last 8 years at present my ati grahics card xpress 200 ac volts,230 and 1 gb ram used, so kindly suggested upgrade my graphics card in dasktop side.
More aboutgraphics card press greds
it would be really hard to find an upgrade for your pc, it's either you build a whole new one for 300-400 bucks or buy some really old and used parts to upgrade your system
There is about no upgrade worth making in that machine honestly. It's time for a new one.