![]() I expect you will see the same dummy serial number. ![]() If you want to prove this for yourself, remove the PCB with a Torx screwdriver and power it up on its own. I suspect that both drives failed to reach the SA at one time, in which case they would have reported the dummy serial number, model number and firmware version in the ROM. When a drive cannot access the firmware area in the reserved section of the platters (System Area = SA), it defaults to identifying itself with a dummy ID stored within the "ROM" on the PCB. XxxxxxAx - Self-Service SeaTools Test Code It appears that the test codes have changed in recent times, but my understanding was (in 2013 ?) that the second last digit identifies the failing test, as follows: On the shortcut menu, click Properties, and on the Tools tab in the Properties dialog box, click Check Now in the Error-Checking Status area. It is generated from the drive's serial number and the number of the failing test. Double-click My Computer, and right-click the hard disk. This code is an encoded hexadecimal number which is unique to each drive. Can someone help me understand what is going on?Īs part of the RMA process, a user needs to obtain a SeaTools "test code". Here is the log file note the failed tests on two different dates - they are on two different hard drives. ![]() This is why the Seatools log file got appended. Here's the bizzarre part: both of these drives are showing up as the same S/N in Seatools - and not what is printed on the label on the hard drives. The replacement drive could be formatted by my Mac, but the Short Generic failed. The first one could not even be formatted (Seatools said cyclic redundancy check failed). But having terrible luck with the quality of the drives being shipped. I found Seagate Ironwolf 4TB drives on Amazon for $15 less than the WD Reds. A search led, for example, to 1 2 3 4 sites recommending CHKDSK, SCANDISK, Seagate SeaTools, PassMark DiskCheckup, Western Digital’s Data Lifeguard Diagnostics, HDDScan, HDDLife Pro, Hard Disk Sentinel, GSmartControl, Windows Drive Fitness Test, Samsung HUTIL, Bart’s Stuff Test, Fujitsu Diagnostic Tool, Free EASIS Drive Check, Macrorit Disk Scan.
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