Pentium 3s - Can you buy a motherboard with integrated graphics then add a graphics card later?

Can you buy a motherboard with integrated graphics then add a graphics card later?

I was to build a pc. But I've found a lot of the parts I want to be expensive. Can you buy a mobo with integrated graphics, then later on add a nice graphics card and effectively turn the integrated graphics off? And what does "north bridge" mean when buying a mother board. I see all these things , ATI, intel p35, intel q35, nvidia geforce 7000. What do those mean?

Public Comments

Yes you can. North/southbridge are sort of co-processors on the motherboard. Some come with Intel, ATI, Nvidia, SIS, Via, etc.
To your first question... "yes" To the second, http://en.wikipedia.org/wiki/Northbridge_(computing)
Yes, you just have to make sure that you get a graphics card that has that is compatible with your motherboard (PCI Express, AGP, etc.)
Your fine! You can use the on board graphics for now and later go to a dedicated graphics card. You would have to turn off the on board graphics threw the bios. As for what the north bridge is the chip set hub that connects faster I/O buses (for example, AGP or PCIE bus) to the system bus.
Yes! If you already own a graphics card (i.e. you're saving money at the mo') ensure the graphics slot is suitable -AGP or PCIE. Integrated graphics only go up to about 6000s (we're not talking top dollar here) but if your processor and RAM are up to it you can play games such as Quake, Fear - you won't be able to play, e.g. Bioshock though. If you aren't sure what you're going to get later there IS a board that has both AGP and PCIE slots - Asrock Dual SATA. You are restricted to the Intel 775 chipset then though although it 'supports' QuadCore (but if you were going to spend money on that you'd probably spend money on a better motherboard and graphics card anyway). PCIE is pretty standard and the way forward so you're best getting a card with a PCIE slot. When you get a card (and there are new cards out this week so some older PCIE ones may fall in price) you turn the integrated vid off. The integrated vid is useful for rendering videos, etc whilst you have it though and some of the MicroATX boards that come with are actually cheaper than those without! :)