Question: There are numerous numbers on a Western Digital drive,
Then there are three numbers on the back of the PCB on a sticker
- White Sticker Left: ?2061-771714-002 AC
- White Sticker Right: ?XT BD34 T7KQ 8 0002270
- White Sticker far-Right: 272
Then there is one number printed on the PCB,
REV P12060-771714-002
Then there is one number (or three) on the spindle,
71206-T8Y-039X0X22MF32H
Does anyone know what these numbers mean?
Answer: The MDL number consists of the model and firmware,
MDL: WD5000BEKT-00KA9T0 ?Model: WD5000BEKT ?Firmware: 00KA9T0
The model number itself is described extensively in this PDF if the drive was produced after 2005 which does not touch on Firmware. The Model number is a serialization of
The DCM is the (Drive Configuration Matrix) is used for matching head types, media, pre-amp etc. source There isn’t much documented on this but here is a description from a form post
1- Motor (H) 2- Base (S) 3- Latch (E) 4- Bottom VCM (H) 5- Media (Y) 6- Headstack (V) 7- Actuator-Preamp (2)8- Top VCM (A) 9- Separator (H)