photo illustrated guide to installing a Bluetooth Module in a Mac Pro.
http://www.xlr8yourmac.com/systems/Mac_Pro/Bluetooth_MacPro_install/Bluetooth_MacPro_install.html
Intel-based Mac Mini owner's notes on Core 2 Duo CPU swaps
http://www.xlr8yourmac.com/systems/mac_mini_core_2_duo_swaps.html#storytop
I could run an Apple Studio Display using the ADC port on the 64MB Radeon 9000
http://www.xlr8yourmac.com/systems/Sawtooth_ADC_MDD_PS_Mod/Sawtooth_ADC_MDD_pwrsupply.html#storytop
Detailed description with photo
http://g5.bhmm.net/
This powerhouse of a machine can be made to do almost anything, short of running modern 3D games.
http://www.macmod.com/content/view/322/2/
This guide does not take you to the point where the motherboard can be removed.
http://www.hatsuon.net/macstuff/G5_TAKE_APART/Disassemble_G5_DP_2Ghz.html
Lombard and Pismo
http://www.macmod.com/content/view/606/2/
you can connect two power supplies together simply by using their power on leads and a common ground.
http://www.xlr8yourmac.com/systems/QS_to_DualPS_case_conversion/Mac_to_DualPS_ATX_case.html
about how to help a noisy G4 MDD to shut up and be cool in 4 steps
http://www.macmod.com/content/view/119/2/
shows how to add a watercooling system to your dual processor G4.
http://www.macmod.com/content/view/21/2/