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[Vegetable]

I always assumed that loading DS games into the RAM took up less battery power, but http://wiki.pocketheaven.com/Supercard#Battery_Drain says otherwise.

So which is it really?

[bitblt]

Internal DS RAM uses less power.  A DS game cart uses less power than a supercard+SD.  Both load game ROM into internal RAM.  The supercard+SD can stream game ROM into RAM, or load entire ROM into RAM at once.  Either way the supercard+SD uses more power.

[Vegetable]

You totally misunderstood my question.

[rocky]

I think loading the games into the supercard ram takes more power because it always has to be sending information to the ds but off the game card I think it loads it into the ds ram or or just runs it right off the card.  I dont realy know

[bitblt]

I think loading the games into the supercard ram takes more power because it always has to be sending information to the ds but off the game card I think it loads it into the ds ram or or just runs it right off the card.

Yes, DS games get loaded into internal DS RAM.  GBA games run straight from game cart, or from SC RAM after the game is loaded from SD.

You totally misunderstood my question.

Sorry.  Same answer for GBA.  A GBA game cart uses less power than supercard+SD.  I don't think SC RAM is a big factor in power use. The main power drain is the CPLD (CPU) inside the SC, as well as the extra power used to read ROM from SD into SC RAM.