Sony RB40 Motherboard replacement

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wallabeex

n00b
Joined
Dec 26, 2005
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This, to me, is the most undesirable type of hardware work. Replacing the motherboard in a computer made by a major manufacturer. In this case, a Sony Vaio VGC-RB40. I ordered an Asus P5L-VM and have everything installed fine (I think, anyway), but the front panel connectors to the Vaio aren't matching up with the board's pin layout. Sony decided to lay out the power/led/reset/HD led/speakers in a standard USB layout, five pins on top four pins on bottom, whereas Asus has them spread out and certainly not in a brick like the case's plug.

Anyone have any suggestions? For one, I can't figure out which pin on the connector corresponds with which function, and in order to find that out I need to be able to see the back of the front panel, which has been riveted shut so that I can't get access without a dremel. I'll even settle for just the power switch connector but can't seem to hit the right combination of pins.

What I'd *love* is the type of board Sony put in the Vaio VGC-RB40 so that I can see the motherboard manual. Otherwise I feel that I'm up a creek without a paddle. :(
 
You need to disassemble the Sony front panel plug and pin out the individual wires. There is no other way to do it unless you can find an exact match for what was in there in the first place. Often in those Sony systems it is some kind of ASUS board, but I no longer have access to the part information for Sony machines.

In any case you don't need to see the back of the front panel, though it would surely help. You just have to be patient and take it slowly and methodically.
 
Does the power button typically have a ground as well, or am I just going to be looking for a single pin? I think I have a pretty good idea of which of the pins is the power, but if I'm right that means there's only one pin, not two.
 
There are only two pins for each button and LED. The only exception is the speaker if equipped which will contain four wires.
 
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