IMac Power Supply

Early 2006 iMac 17" and 20" (Intel and G5 iSight)

5 pin power supply from early 2006 white iMac Intel and G5 (iSight), 17" and 20".

Label on P/S

Celetronix P/N APP-22-LFM33
AC INPPUT 100 - 240 VAC,50/60Hz
DC OUTPUT: +12VDC/15.4A
MAX OUTPUT POWER: 185W
APPLE P/N: 614-0363

Celetronix is now called "Red Rocket Inc"

Pin numbers

No pin numbers known, but these are the voltages:
Grey: +12V
Grey: +12V
Black: ground
Black: ground
Brown: PFW (battery powered signal between +3 and +6.5 volt to switch power supply on)

Available on eBay for around $90.

Source: http://gathering.tweakers.net/forum/list_messages/1312890