Other (19)

LA2YUA

Adding In-Tree Kernel Modules to RHEL/CentOS

Red Hat Enterprise Linux and the closely associated CentOS Stream 9 remove a lot of legacy kernel modules from their kernels. This seems to also include removing sources from their distributed kernels.

I wanted to add the scsi/bfa driver to support Brocade Fibre Channel adapters, this is mainlined but not part of the RHEL kernel sources.

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LA2YUA

Icron Spectra(TM) 3022 USB 3.0 Extender REX Teardown

Around the same time that I bought the USB 2.0 extender featured previously I bought some cheap remote units for the 3022 USB 3.0 (5 Gbit/s) system.

My thought was that maybe these were identical like the USB 2.0 extender.

From the looks of it I was wrong there and will need to find a LEX to use it, but it was still interesting.

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LA2YUA

NDK 110E39 Crystal Filter

Background: a set of 110.51 MHz filters were acquired on eBay per usual, and I ended up with around 400 of them. Part number was 110E39. No data sheet was available, though a potentially related data sheet for 90 MHz filters in the same package was available from NDK. Here…

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