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October 23rd, 2006 15:00

Dell Dimension 8400

Hello, Can I change the dimension 8400 motherboard to a new chase, because here in México I can´t find
a new power supply for my Dell to use a XFX 7900 GT
thanks

1.4K Posts

October 23rd, 2006 17:00

You don't need a power supply upgrade. Dell motherboards are proprietary to thier cases so you couldn't swap anyway.

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46K Posts

October 23rd, 2006 19:00

red_Velvet
 
Let me detail, some of the problems of installing a Dell motherboad into a standard ATX case.

Both Dell motherboards and cases have proprietary features. You may have problems installing an Dell motherboard into a standard ATX case.

The rear I/O panel may not line up correctly, so you would have to modify that.  The biggest item, is that both non Dell cases and motherboards, don't have the same front panel wiring connnections that Dell uses. The motherboard "stand offs" may be different and require to be relocated.

Dell uses a proprietary ribbon connector, whereas ATX standard motherboards/cases use Molex style connectors, you'll have to figure out how to rewire the front power button, reset, and USB ports, because Dell has not published the pinouts of this connector.

You will require a new CPU fan, heatsink and motherboard retention bracket, because Dell's are proprietary units.

Can a Dell motherboard be installed in a standard ATX case, yes, it can, but it will not be easy and be prepared for a lot of aggro.

Bev.
 
 
 
 
 
Please don't send me questions about your system by DCF Messenger.
Post the issue in the appropriate Board, where they will be answered.

Message Edited by shesagordie on 10-23-2006 03:43 PM

6 Posts

October 23rd, 2006 19:00

thanks for answer me, If I want to install a sapphire x1900GT, can I use the
350w psu?

18 Posts

October 23rd, 2006 19:00

Yes, you can use a x1900GT in your 8400. I also have a Dim 8400, and have been using a x1900GT and the stock 350w PSU for several months now without any problems. However, I have also seen numerous posts here where people have also used 7900GTs in Dimension 8400s without problems either.
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