a collection of technical notes.
  • flowcharts
    • relevant but homeless
      • first steps in the sas world
        • adding external devices
          • audio cd ripping setup
            • overdoing it
              • fibre channel to sas bridge use
              • pages per topic
                  • mr9361
                  • cisco ucsc mraid12g
                  • dell perc h730
                  • hba broadcom 9500-16e
                  • hba lsi 9300-4i
                  • powered off ssd and data retention
                  • drive connectors
                  • adaptec sas expander 82885t
                  • asrock x670e pg lightning
                  • hba firmware
                  • non obvious limitations
                  • sff-8644 to sff-8643
                    • topre
                    • power on psu
                      • sg3 utils starter
                      • fresh
                      • reformatting drives to usable sector sizes
                      • building sg3_utils for windows
                    • smartmontools
                        • dskfw
                        • revive
                        • safe to paste storcli examples
                        • flashing controller firmware
                      • current setup
                  • nomenclature
                  • about
                  a collection of technical notes.

                  relevant information that does not fit a flow

                  what are you actually using

                  this is a valid question. a current-ish overview of my setup can be found here

                  nand data retention without power

                  nand will slowly loose it’s charge when the cells aren’t refreshed. this can and will cause data loss. there are a lot of opinions on this, few are backed up by facts.

                  actual facts: what vendors say in their documentation

                  todo how optical media is not binary

                  aka red book audio stuff

                  realforce

                  realforce 1 iso 105keys
                  October 7, 2025
                  flowcharts first steps in the sas world
                  • what are you actually using
                  • nand data retention without power
                  • todo how optical media is not binary
                  • realforce