What? AMD Approved and P4 Ready??

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Smith

Okay, first time I've had to buy a power supply. Have an AMD K7-950, the
250W PSU it came with is fried. Someone recomended I go with a Sparkle
brand PSU. I looked around and found one that looks good and would fit in
my case, the "Sparkle Power (SPI) ATX-300GT 300Watt ATX Switching Power
Supply." Did some research and found that all SPI's 300W and above can
support AMD K7's. Yet in the description it says "AMD Approved and P4
Ready" My question is, what exactly does that mean, "Approved" why not
"Ready" like for P4's?

Thanks,

Smith
 
Smith said:
Okay, first time I've had to buy a power supply. Have an AMD K7-950, the
250W PSU it came with is fried. Someone recomended I go with a Sparkle
brand PSU. I looked around and found one that looks good and would fit in
my case, the "Sparkle Power (SPI) ATX-300GT 300Watt ATX Switching Power
Supply." Did some research and found that all SPI's 300W and above can
support AMD K7's. Yet in the description it says "AMD Approved and P4
Ready" My question is, what exactly does that mean, "Approved" why not
"Ready" like for P4's?

Thanks,

Smith
Click to expand...

"AMD approved" means that the company is on AMD's list of approved
manufacturers and the design meats AMD's specifications.

"P4 ready" means that it has an extra 4 pin 12volt plug that is required on
most P4 motherboards.



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AMD recommends a minimum power wattage capacity for its processors.
Different processors may have different recommended wattages. This is to
[help] guarantee that you use a power supply that can feed 2 hard drives, 2
floppies, several sticks of memory, video card, sound card, and other
hardware, plus still have enough current to juice up the power demands of
the CPU. Flaky behavior can result if your power supply cannot supply
enough juice.

The P4-ready spec means that there is output from the power supply. It is
another tap to provide 12V and looks like a 4-pin square Molex connector and
allows more current to get to the motherboard for the 12V (each wire has a
max amperage rating, and the one wire used before isn't sufficient for these
later higher wattage processors). ATX style motherboards that are P4 ready
are also noted as ATX12V. See
http://www.directron.com/directron/p4install.html#p4power.
 
Gotcha, thanks.

Smith

Dave said:
"AMD approved" means that the company is on AMD's list of approved
manufacturers and the design meats AMD's specifications.

"P4 ready" means that it has an extra 4 pin 12volt plug that is required on
most P4 motherboards.



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