Two drive use the same PCB that is 100729420 rev B.
The motor chip of ST500LM021's fried. That disk's 7200 RPM
Donor PCB ST500LT012 uses same Main Controller but the motor chip. That disk's 5400 RPM
swapping was unsuccessful in two attempts.
Boot 0x10M
SpinUpTime = 00000842
TTR1 = 00000917
LED:000000BD FAddr:00007C1D
LED:000000BD FAddr:00007C1D
is this because of speed differentiation?
motor chip LM021 is HPAJG V5.
motor chip LT012 is HPAAH V5.
- Attachments
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