Part of an estate sale, we only have one like this available. Manufactured in the USA in this unit appears to be in excellent visual condition. Unable to test it completely but I am sure that due to the demand for even these older units they could easily be used as spare parts or for restoration if not in perfect working condition. These units usually sell very quickly when we do get them in. Are you Includes: keyboard, 2 Harmon Kardon round speakers, mouse, cables, power supply with cord, CDs and manuals.
I installed extra ram and memory but I don't remember how much. Does not include Apple modem. Only includes what is listed above. One owner. Drive wiped clean. Purchased in These machines quickly became known as the "Windtunnel G4" for the amount of fan noise.
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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.https://neucriminpere.ml/peace-love-and-baby-joy.php
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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. This last G4 tower was the final life raft for those clinging to Mac OS 9. The dual 1. The PowerMac G4 oversaw an amazing amount of change. Again, the low end MHz model did not include any level three cache. All models were available in dual processor configurations running at MHz , 1 GHz or 1. A single processor 1.
The last real update to the Power Mac G4 line was on January 28, offering dual 1.
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Between that, its low price-tag, and the delayed availability of Power Mac G5s, it proved a strong seller for a relatively short time. Production stopped on June 27, and the remaining inventory was liquidated, ending the year legacy of Classic Mac OS support with its discontinuation. A limited range of serial numbers of this model was noted for a noisy fan, earning them the unofficial designation " Windtunnel G4" in some communities.
Noise complaints became such a problem that Apple later replaced the machine's power supply PSU and primary cooling fan with quieter versions, and initiated a voluntary do-it-yourself DIY replacement scheme for all previously sold machines. It is believed  that the reason for the problem is a bug in the CPU with handling cache coherency in dual cpu setups when switching the CPU to low power states. In a low power state, each CPU would have only consumed about 5 Watts  or even less when switching to even lower power states , making for 10 Watts needing to be cooled.
But when run in full power mode as to circumvent the cache problem , each CPU does consume about 50 Watts making for a total of Watts  —essentially the upper limit for which the cooling system was designed, making the fans run at full speed, even when the machine is mostly idle. Soon after suggesting that hack to Apple, a new firmware was released,  disabling the API for switching between single and dual CPU modes.
At least some MDD models also have a design flaw resulting in noise in the audio-out, picking up interference from the mouse, graphics card, hard drive and other hardware. According to Apple, this is a ground loop issue, and only occurs when used with professional balanced signal audio equipment,  however some audio experts contended it is due to shielding defects on the motherboard and affects all equipment. From Wikipedia, the free encyclopedia. This article has multiple issues. Please help improve it or discuss these issues on the talk page.
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