Up for sale is a vintage Seagate ST-225 hard drive controller logic board (PCB) from the mid-to-late 1980s. This board was originally paired with the popular 20MB 5.25" MFM hard drives of the era. Perfect for retro computing enthusiasts, collectors, or technicians looking for an authentic replacement board for drive restoration or data recovery projects.Item Specifications:Manufacturer: SeagateCompatible Drive: ST-225 (20 Megabyte MFM Hard Drive)PCB Part Number: 20328-001Revision: REV 2267Manufacturing Origin: Stamped "Assembled in Singapore"Condition:Cosmetic: Visually very clean and in good structural condition. The capacitors, chip legs, and traces show no obvious signs of acid leakage, corrosion, or burnt components.Testing: This board is being sold UNTESTED and AS-IS for parts, repair, or restoration, as I do not have the compatible vintage hardware required to test its functionality.Please review the high-resolution photos carefully to verify compatibility with your specific drive revision before purchasing. The item pictured is the exact item you will receive. Safe, static-free shipping is guaranteed.