I have 2 Seagate Sata ST500DM002 hdd, both the hdd spins normal but cannot access the terminal. Even I try to short pin point also ....it shows the following message as show below after shorting :-

Boot 0x10M
Spin Up[0x00000000][0x00000000]ZZZZMMMMMMMMMMMMMMMZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMddddddWYWYWWMMMMMM
FAIL Servo Op=0155 Resp=0007
ResponseFrame 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 000Ax[0x00025CB4][0x00025CB4]ZZZZMMMMMMMMMMMMMMMZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMddddddWWWWMMMMMM
FAIL Servo Op=0055 Resp=0007
ResponseFrame 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 000Ax[0x0000B319][0x0000B319]ZZZZMMMMMMMMMMMMMMMZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMddddddWYWYWWMMMMMM
FAIL Servo Op=0155 Resp=0007
ResponseFrame 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 000Ax[0x00030FCD][0x00030FCD]ZZZZMMMMMMMMMMMMMMMZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMddddddWWWWMMMMMM
FAIL Servo Op=0055 Resp=0007
ResponseFrame 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 000Ax


Any help appreciated....

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Hard Disk Drive, SSD, USB Drive and RAID Data Recovery Specialist in Massachusetts

just test by shot pin in pcb