Yeah . . . here's the deal. I have been getting some interesting bsod's after having recently reformattted and put in a new geforce 2. I think it might be my psu. is it a possibility?

My system config:

Celeron 400@545 w/ peltier cooler and large heatsink
192 mb RAM @ 120 mhz
memorex 40x CD-ROM
sony 4x2x32 CD-RW
WD 6.4 gb hdd
WD 13.6 gb hdd
Soundblaster live! value
Pinnacle pctv tv tuner card
3com adsl modem
netgear FA310tx ethernet card
hercules geforce 2 mx video card

all this on a 235 watt psu. is this a problem?