Seagate Barracuda 160GB PCB Board 100336321 REV A Logic

Essential Replacement PCB for Seagate Drives

This genuine PCB board, number 100336321 REV A, is a critical component designed for the Seagate Barracuda 160GB hard drive, specifically model ST3160827AS with firmware 3.42. If your hard drive's original printed circuit board has failed due to electrical damage or other issues, this replacement logic board offers a potential solution for data recovery or restoring drive functionality. It's an essential part for IT professionals and data recovery specialists working with these specific Seagate drives.

Key Board Identifiers: 100336321 REV A

Matching the PCB board number is vital for compatibility. This board is clearly marked with 100336321 REV A. Another number present on the board is 100331799. It features a standard SATA connector for data and power. Verifying these numbers against your faulty PCB ensures you are getting the correct part for your Seagate Barracuda 7200.7 160GB hard drive, model ST3160827AS, to improve the chances of a successful repair or data retrieval operation.

Tested and Verified PCB Functionality

This PCB is in fully working condition. It was carefully sourced from a functional Seagate Barracuda hard drive (Model: ST3160827AS, Firmware: 3.42, Date Code: 05205) which had developed bad sectors. Before extraction, the drive, including this PCB, was connected to a PC and thoroughly tested using HDD diagnostics software (Badblocks) to confirm the board's operational integrity. This ensures you receive a reliable and tested component for your repair needs.

Understanding Firmware Transfer for HDD Repair

For many Seagate hard drives, replacing the PCB is not a simple plug-and-play operation. The drive's unique firmware, often stored on a ROM or NV-RAM chip on the original PCB, must be transferred to the replacement board. This adaptive information is crucial for the hard drive to initialize and access data. Without this transfer, the drive will likely not be recognized or function correctly with the new PCB.

Advanced Soldering Skills Required

The firmware transfer procedure typically involves desoldering the specific chip (ROM or NV-RAM) from your original, faulty PCB and precisely soldering it onto this replacement board. In some instances, the firmware might reside within the Main Controller IC, which can present an even more complex transfer challenge. This process requires specialized soldering equipment, steady hands, and a strong understanding of electronics to avoid damaging the chip or the board.

Purchase Guidance and Support Services

We strongly recommend that only individuals with the necessary technical skills and tools attempt the firmware transfer. If you are not confident in performing this delicate operation, it's best to seek professional assistance. We offer a firmware transfer service for an additional compensation; please feel free to contact us for more details and a quote if you require this specialized support to ensure your hard drive repair is successful.

What's Included with Your Order

Please note that this sale is exclusively for the PCB board 100336321 REV A. Any other items shown in the product images, such as hard drives, tools, or cables, are for illustrative purposes only to show context and compatibility. They are not included in this purchase. You will receive the single, tested PCB board ready for your firmware transfer and installation into your Seagate ST3160827AS hard drive.

Reliable Shipping and Product Authenticity

We ensure careful packaging for safe delivery. Shipping throughout Europe generally takes approximately 4 to 8 business days. For destinations in other parts of the world, please allow a few additional days for transit. The pictures provided in this listing are of the actual PCB board you will receive, guaranteeing authenticity and allowing you to verify the board numbers and layout before your purchase for peace of mind.