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Power is the likely culprit in the read errors

A project log for pfSense Router/Firewall Install

*on a Dell Dimension E521, lol!

sarandisarandi 02/17/2020 at 17:360 Comments

2020-02-17 - Monday

I did some light digging into the errors that I've been seeing. Here's a sample output:

After a quick scan of the below two links, I'm guessing this is power-related and possibly caused by the Dupont-USB adapter.

  1. https://www.amazon.com/gp/customer-reviews/RD8IMZJEKMGSZ/ref=cm_cr_getr_d_rvw_ttl?ie=UTF8&ASIN=B000IV6S9S ( review of the exact model I bought )
  2. http://christopher-technicalmusings.blogspot.com/2012/03/freebsd-scsi-sense-errors-did-you-check.html ( power-related )


A couple debugging/troubleshooting options:

  1. Try reseating both ends of the cable the dupont connector and the USB itself.
  2. Try changing USB header positions
  3. If there's enough clearance, try mounting DMM clips and observe while trying to force error 
  4. If the above fail, mount externally and return the POS.

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