Do I need to add an extra power supply to my Takky?
That depends on how much power you’re using already. If you have a very high-capacity hard disk, PCI cards other than Ethernet, a G3/G4 upgrade, or have done a lot of other power-consuming modifications, you’ll probably want to add one. The 630-series power supply seems to be a popular choice, usually modified with the addition of a relay to turn on when the analogue board turns on. Leaving the hard drive and CRT on the stock power supply and moving the rest over to the added power supply seems to be a popular way to go. Some folks have run into capacity problems with 630-series PSUs; i.e., the PSU doesn’t provide enough power to run everything in the CC. Since it’s becoming harder and harder to find small Mac PSUs that will fit the space and have the capacity required (greater than the 630-series PSU’s 160 watts), 1U ATX power supplies have been investigated as an option. Information on adapting an ATX supply to an x400/x500 board (which are substantially similar to an iMac board in t
