Hi. I don't think BOCHS would be really suitable for XP, but chances for Vista to run on it are near to zero. Vista requires a DX9.0c-compliant video card to work, and I sincerely doubt bochs' basic video logic meets the specs.
Maybe 2000 and XP can give you some more chances. For now, I succeeded running just Windows 98 onto it.
It is usable on win 98 ... xp run but is slow . and need a good powered cpu
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