Question about Seagate U5 (ST320413A) 20 GB Hard Drive

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Physical damage Hi, I have a 20 GB U5 ST320413A Seagate HD.One of the pins is physically teared and I try to replace it by a hook up wire. At first, I successfully accessed to OS and desktop. But after a while it will boot up again and "Primary Master drive fails" is displayed, this routine continous over and over. I decided to solder again the wire but unfortunately the soldering lead spilled to the other pins. Is it possible to replace the logic drive circuit ( the circuit at the top of the metal platers) with another one? Is there any available at the market?

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  • budz Oct 08, 2007

    Thank you, that will help a lot! What about if I replaced the Logic drive controller with another one from same model type, is it compatible?



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If you have spilled solder in this way you can use some solder wick to soak up the errant solder, solder wick, is a braided copper string designed to collect melted solder, simply apply the solder wick to the aggregated solder and melt, the wick will soak up the solder, you can then cut off the saturated section of wick and continue to soak up the spilled solder, then just refresh any solder points you have removed the solder from.

Posted on Oct 08, 2007

  • Gareth Cockram
    Gareth Cockram Oct 08, 2007

    you can get solder wick from any good component store

  • Gareth Cockram
    Gareth Cockram Oct 08, 2007

    not sure.. I have done this myself but only with identical drives,

    if the card is not compatible though there is nothing stopping you from taking a pin from the IDE connector and replacing the one that broke. (desolder first and remove with needle nose pliers)



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