repair

  1. C

    Pinout/Function of JP1, JP2, JP3 on Dell OEM Mellanox CX-4 Lx?

    Looking for the specific functions of three jumpers on this board (Photo attached). Card is totally dead (no PCI detection), not entering recovery mode. Current Status: Power: Checking rails now; suspecting PSU/VRM issue. Firmware: Flash chip read pending. Thermal: Active cooling used; not a...
  2. S

    Potentially broken Epyc 9384X

    Hey there! I recently purchased a "used" AMD Epyc 9384X. Listing said signs of use but there were some damages such as one corner being broken and light scratches on the golden plates on the backside of the motherboard. Being unsure I contacted a expert and was consulted that the damages were...
  3. X

    CISCO SG250-26P Noctua Fan replacement problems - Fans spin up, then stop after a few seconds

    Hey there dear STH-Community, a few months ago I was on the look out for a 19" rack mountable manage switch with PoE+ and came across a dirt cheap CISCO SG250-26P which I scored for 100€. It was (and still is) in perfect condition, but upon powering it up, what I've not taken into consideration...
  4. C

    Number of sectors of WD60EFZX

    Good morning, I recently physically moved a ZFS pool from one server to another. The array was scrubbed prior to the move and returned no errors. After moving the array, I couldn't re-import it. After some troubleshooting, it appears that the root of the problem is a wrong number of sectors...
  5. sfbayzfs

    Bad RAM slots in motherboards - how common are they, repair success?

    I have been meaning to post this for a while, here goes finally. I have a lot of system building experience, and generally held the belief that bad RAM slots on motherboards are uncommon. The first one I encountered was a couple of years ago - I opened up a brand new ITX celeron board and I...