[G4] Re: TemperatureMonitor

[CJ Scaminaci]

An FPGA is a Field-Programmable Gate Array. Without going into much 
detail, it's basically a chip that can be "re-programmed" over and over 
and can perform many functions. This is the development option of 
choice for most CPU/Semiconductor manufacturers.

Pre-7450 merely refers to G4 CPU's prior to model 7450 (1Ghz).

-CJ
On Dec 28, 2004, at 2:28 PM, Ron Steinke wrote:

> On 27 Dec, 2004, at 16:42, CJ Scaminaci wrote:
>
> I think there's probably a reason there's nothing around. Cooling Macs 
> is trivial, they don't have heat problems (with the exception of the 
> G4 Cube). The reason anything pre-7450 even had a temperature sensor 
> was because they were using FPGA's to simulate the CPU in development. 
> That was a point where changing chip architecture actually helped 
> reduce heat! It was merely in production machines for a convenience 
> factor; meaning, it was more or less a cooking thermometer :).
>
> CJ,
>
> I appreciate the information that you added, but am a little confused 
> by your nomenclature. Not all of us are "Wizards" at the Mac and do 
> not know all the acronyms. Perhaps you could expand on the information 
> that you included so I could see where you are going? Ie: FPGA and 
> pre-7450 are not terms that I have encountered yet in my readings 
> except for your posting.
>
> Thanks in advance,
> Ron
>
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