Q: I am looking for a replacement PCB for a Hitachi 640 GB hard drive.
Hitachi part # for the complete drive is 0A38014
PCB Board # is 0A29989 BA3263_Mda939 541V
A: Please advise the number on the Main Controller IC?
Q: 0A58786
A: https://www.hddzone.com/hitachi-pcb-oa587860a58786-p-299.html is your donor PCB.
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