Eh, try using
Virtual PC 2007.
I've had pretty good luck with it.. as long as the game doesn't require an accelerator, it should be fine.
Component Virtual machine emulated hardware
BIOS
AMI BIOS
Chipset
Intel 440BX
Sound card
Creative Labs Sound Blaster 16 ISA Plug and Play
Note
Virtual PC provides support for sound that is compatible with Windows Vistaâ„¢. On virtual machines that run Windows Vista as a guest operating system, SoundBlaster is not available.
Network adapter (multi-function)
DEC 21140A 10/100
Video card
S3 Trio 32/64 PCI with 8 MB Video RAM
EDIT: You get to select the amount of RAM available yourself, based on how much you actually have in your system. (I have 2 GB! XD )