Hacintosh - Mac OS X Snow Leopard on Dell Studio 1747

I used default BIOS settings
1) Boot from iBoot Legacy 2.7.2
2) Eject iBoot
3) Insert Mac OS X Snow Leopard
4) Press F5
5) Type "-x"
6) Press Enter on the Mac OS X Snow Leopard DVD
7) Computer restarted automatically for me
8) Boot from iBoot Legacy 2.7.2
9) Type "-x"
10) Press Enter on the hard drive
Reference: http://tonymacx86.blogspot.com/2010/04/iboot-multibeast-install-mac-os-x-on.html

Problem installing Windows XP on a Vista Dell Dimension 9200

Go to BIOS, "Device Setup", "Sata", "Sata Operation", set to "RAID Autodetect/ATA."
Reference: http://www.overclock.net/operating-systems/162621-solution-windows-xp-install-problem-dimension.html

Reset Dell BIOS password

http://www.techspot.com/vb/topic18780.html