Seagate PCB 100336321 Failure

PCB failures (Such as Seagate PCB 100336321) affect thousands of hard drives every year and often result in permanent data loss. A hard drive may suddenly fail to power on, and a computer may not detect that it is plugged in. Some failed hard drives will also show up in computer BIOS with incorrect brand/model information. PCB failures can also cause physical issues such as read/write head failures, and many PCB failure symptoms overlap with the symptoms of other physical hard drive issues.

Some emails from customers of Seagate PCB 100336321 failures are listed below, along with tips for replacing & repairing.

Seagate PCB 100336321 Failures:

Q: *kinda urgent* swap bios on seagate 80gb pcb

which is the bios chip I think I have it narrowed down to chip id E3P102 2515 or possibly 25P05AV – 9515m I think it is the E3P102 – 2515 as these are the only 2 identical chips on both boards The board identifiers are exactly the same 100336321 REV A although there is some slight differences in the chips used except the one mentioned See attached images which shows the failure of the board from the original drive could someone confirm please that I am in the right direction? That

Replacement Seagate PCB 100336321:

To repair a failure board, the simple way is swapping the failure board with a replacement board. Donor boards on HardDriveParts.com are listed below:

• Seagate HDD PCB 100336321
• Seagate ST3120026AS Hard Drive PCB 100336321
• Seagate ST3120827AS Hard Drive PCB 100336321
• Seagate ST3160023AS Hard Drive PCB 100336321
• Seagate ST3160827AS PCB Board 100336321
• Seagate ST3250318AS Hard Drive PCB 100336321
• Seagate ST380011AS Hard Drive PCB 100336321
• Seagate ST380013AS Hard Drive PCB 100336321
• Seagate ST380817AS Hard Drive PCB 100336321