Aporte original por: S W ,
So, this one from the link you provided is a great example. https://www.aliexpress.com/item/Free-shipping-HDD-PCB-WD5000AAKX-WD3200AAKX-WD2500AAKX-WD10EALX-WD10EADX-WD10EARS-HDD-PCB-Logic-board-coding-2060/32809952044.html?spm=2114.search0188.8.131.52950ce4IPT2S0&ws_ab_test=searchweb0_0,searchweb201602_2_10065_10344_10130_10068_10324_10547_10342_10325_10546_10343_10340_10548_10341_10545_10084_10083_10618_10307_10313_10059_10534_100031_10103_441_10624_442_10623_10622_10621_10620_10142,searchweb201603_36,ppcSwitch_2&algo_expid=ab78b17c-9899-4286-bbbd-42732eea7744-1&algo_pvid=ab78b17c-9899-4286-bbbd-42732eea7744&transAbTest=ae803_4&priceBeautifyAB=0 The BIOS needs to be swapped because it is from a Western digital, and will work with their 320gb, 250gb or similar hard drives, but unless the date code matches, it won't work. Toward the bottom it mentions a BIOS chip swap. Something like this on Ebay, they have a clear picture of the date, DCM, model, etc. https://www.ebay.com/itm/263466254770 Ali mentions part of the model number, not all of it. For example: WD3200AAKS-75L9A0 is the full model, but Ali Express only say it is for a WD3200AAKS which makes a huge difference.