When I have more than 120-150 fast moving units (planes) and I push the speed to x4, the screen goes black.
It looks like my graphic card, an ATI 9600 Pro, can't handle more than that.

I wonder if my power supply, an LC Power 6420 rated at 420W, is failing under the heavy load that TA Spring represents.
If it fails with 120 units on screen at speed x4, I expect it to fail at less than 500 units at speed 1.

Yet my system should be able to handle this :
Athlon 2700+@2314 mhz
512 Mb RAM
Graphic ATI 9600 Pro
Any idea ?