How do you swap bad IDE controllers

Toshiba / Satillite 1905
March 12, 2009 at 22:37:57
Specs: Windows XP
I have two identical motherboards for my favorite old laptop, one has a failed DC jack and the other a bad IDE controller for the HD. Tried putting on a new DC jack and failed, may have ruined that board... I want to know if I can swap the bad IDE controller on the other board with the one on this board since I have given up fixing it. Can't find "how to" info for this- anyone got info or a site for me to go to?

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March 13, 2009 at 00:42:14
In short - NO.

An IDE controller is a chip with MANY legs soldered onto the motherboard. If soldering a 3-pin DC jack to a motherboard was bad, de-soldering the original chip and re-soldering would be catastrophic. However, since both are dead, that would make a great opportunity to practice - nobody becomes good at de/soldering without practice.

Why don't you elaborate on what's going on with your DC jack and what the detailed results are?

Hints for repairing DC jacks:
-Use a proper soldering iron, ESD-safe with temperature control - do NOT use the $15 ones from Radio Shack; they get too hot and cool off too fast, creating cold solder joints and damaging components.

-Use braided wick to get rid of old solder first; this will let the old jack pop right out.

-Avoid holding solder gun for more than 3-5 seconds on one pin or else it'll damage other components on the motherboard.

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