V2000 is laptop right, normally not wise to upgrade a lappy as o1die has said, cooling is the key, but as this look s to be avery generic chassis, you could be in luck.
Supports cpu's ...
Intel Pentium M 745 (1.8-GHz) with 400-MHz FSB
Intel Pentium M 735 (1.7-GHz) with 400-MHz FSB
Intel Pentium M 725A (1.6-GHz) with 400-MHz FSB
Intel Pentium M 725 (1.6-GHz) with 400-MHz FSB
Intel Pentium M 715A (1.5-GHz) with 400-MHz FSB
Intel Pentium M 715 (1.5-GHz) with 400-MHz FSB
Intel Pentium M 705 (1.5-GHz) with 400-MHz FSB
Intel Pentium M 710 (1.4-GHz) with 400-MHz FSB
Intel Celeron M 340 (1.5-GHz) with 400-MHz FSB
Intel Celeron M 370 (1.5-GHz) with 400-MHz FSB
Intel Celeron M 360 (1.4-GHz) with 400-MHz FSB
Intel Celeron M 330 (1.4-GHz) with 400-MHz FSB
Intel Celeron M 350 (1.3-GHz) with 400-MHz FSB