have a look at the motherboard it may tell you exactly what type of motherboard it is or it may just have a number. let us know and what the number or name is and we or you can find out what the board can take. it will not tell you what memory or processor it can take on the mobo.
1 Thermaltake Tsunami Dream case Jeantech 400w psu 220gig sata H/Drives Abit AV8 Mobo Socket 939 AMD 4200+ x 2 @ 2.6 ghz 2048 ram. 256mb Nvidia geforce 6200.
2 Abit AV8 350w psu AMD64 <A email@example.comGhz 512 ram geforce tornado 128mb.
3 Advent 7038 laptop AMD 2500+ 512ram ATI 320 graphics. wireless.