Product Description:
ST320011A Seagate PCB Board Hard Drive Logic Controller Circuit Board 100151017 (REV A, REV B, REV C, REV D, REV E are compatible)
Board Number:
100151017 (REV A, REV B, REV C, REV D, REV E are compatible)
Main Controller IC (Smooth Chip): 23400361-321
HDD Motor Combo IC: SH6950D
Seagate PCB boards compatibility: Seagate PCB swap guide

ST320011A Seagate PCB 100151017
A hard disk drive (HDD), hard disk, hard drive, or fixed disk, is an electro-mechanical data storage device. The "hard drive pcb" is also called "hard drive logic board", "hard drive controller board", "hard drive circuit board", or simply "hard drive board". This is the (often green) printed circuit board attached to the bottom of your hard drive. You can repair your defective hard disk drive by changing or replacing the circuit boards.
Before you purchasing please read:
1. This is just a hard drive circuit board (PCB, Logic board), not the whole hard drive;
2. HDD PCB board number is printed on the board, not on the sticker;
3. These boards are USED, NOT brand new, the circuit board components not falling, the interface did not break. All PCBs have been tested before shipping;
4. It is used for data recovery/repair issues, the PCB board has been tested and in good working condition. There is no refund/exchange policy;
5. You should swap the BIOS chip before you exchange the PCB boards, as our guide sticker shown, in order to make the replacement board compatible with your hard drive;
6. It is the buyer's responsibility to know whether the board is adequate for his hard drive model;
7. Hard drive failures are NOT always caused by PCB failure. We cannot guarantee your hard drive to be repaired by replacing the hard drive PCB;
T6/T8 Star Screw Driver
If you don't have the suited screw driver to take off PCB from HDD, you can order one with the PCB. We will deliver the matching screw driver with your PCB.
PCB Data Sheet: ST320011A Seagate 20GB IDE 3.5" Hard Drive PCB