Athlon xp carpc user please comment.

cpu athlon xp mobile 1400 will underclock to approx 1G
m/b gigabyte GA7-VKML vga on
ram 512 (2x256) DDR 266
sound Audigy 2 PCI
Seagate 40Gb 3.5 HDD 7200 rpm
Desktop DVD rom
Rikaline 6010 GPS
7" Lilliput Touchscreen

Will Opus 90 handle my spec. ?
(in actual life ,i tried to calculate using power cal. ,u knew that,it's always insuffient.)

Probably NOT.
Try Opus 150w instead.

Yea, I'd go to 150 as well if your gonna put all that on the psu.