Mac g4 desktop power supply
I don't think they will fit, or do they? Don't tell me they did this on purpose Thanks for your advice, Tina.
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Desktops Speciality level out of ten: For debugging, remove the PRAM battery if it is under 3. Hold for about a quarter minute, then wait at least five seconds before attempting to restart. Those power supplies also have an internal fuse on the AC input, but the supplies must be opened to access it. It should only blow when the supplies have had way too much current drawn, such as from a short-circuit on one of the outputs. Power supplies are routinely harvested from otherwise-dead Macs and resold on eBay for cheap.
Reply Helpful Thread reply - more options Link to this Post. Power Supply Voltage Test http: Power Supply Adapters http: See http: But these are not the first G4 power supplies I've had failing, and in the other cases, it definitely WAS the power supply tested with voltage meter, then replaced the dead ps with a new one, and the machines are now working again. But you are right, just because of this, I shouldn't surmise that another G4 that does not boot also has a dead power supply, but I should test it!
Going to do that right away.
It came with a new L3 cache, as did the mid-range MHz model. August of brought with it the final form of the Power Mac G4. Named "Mirror Drive Doors," this case was much closer to the QuickSilver than the QuickSilver had been to the Graphite, but the front panel was radically different, with its four new air intakes and media drive doors gaining a mirror-like finish:.
These machines quickly became known as the "Windtunnel G4" for the amount of fan noise. Apple eventually offered a replacement program for the power supply and fans, but the name stuck. With much faster components than previous G4s, the Mirror Drive Doors came with variable speed fans.
This was an attempt on Apple's part to keep the noise down, but the machine still gained a reputation for being too loud for some customers. A quick look at the back of the three case styles shows how much more air Apple was trying to move through the Mirror Drive Doors case:. Above it were dual 1. The new connector came with much faster data rates than FireWire This was a big deal for video and graphics professionals working with large files.
While offering so many new features, Apple was able to drop the price this time around. The entry-level, dual 1. The high-end dual 1. The FW was meant to be the latest and greatest, and it delivered on that promise, but it wasn't the final Power Mac G4. That goes to a machine that, as Thomas Brand wrote on Pixels, was somewhat unusual: It came in two CPU configurations, single or dual 1.
Powermac G4 Power Supply
To remove the drive s from the cage, remove the two screws on each side of the drive s , then pull the drive out of the cage. You may find removing the system fan is unnecessary to remove the power supply cable from behind it, but if you're unfamiliar with how the power supply cable is situated behind the fan, this step is useful in seeing this.
Grab the system fan by its sides and pull it up and out. The system fan is very large and loud, compared to standard sized fans.
Introduction
To remove the power supply connector from the motherboard, push the top end of this clip towards the power supply connector, and pull the connector up and off the motherboard. If the connector seems to be stuck, rock it back and forth a tiny bit to loosen up the connection, then pull up again. Thread the power cable out of the small hole it comes through, at the far side of the Mac.
There may be a small 2. Slide the power supply towards the front of the case, and pull it out.
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It is a little heavy, so don't drop it on the logic board. Disconnect any drive power connectors that you may not have already connected. The power supply has a pin connector with non-standard voltages, so dropping in a pin ATX power supply without modification isn't a great idea. This is the only Macintosh computer other than the Mac Pro to support six drives.
I did not complete this guide. Thank you.
Replace power supply in G4? - Apple Community
Used the guide to replace the power supply, in my G4 , with one from a dead G4 I had in the garage. Great guide I didn't remove either of the fans and was able to remove Power Supply Unit. Now trying to decide how to get it fixed or to get a rebuilt or Nice instructions and photos. Another set I'd found on line specified a T Torx for case screw connecting the power supply -- wrong, for mine anyway -- 2 mm hex worked for me. Select a Language: