Yesterday after more than a year's delay my zBC12 mainframe finally booted up. This is a machine that was donated to me in hopes to advance the hobbyist community, which I am eternally grateful for. Image 1: Athena, the zBC12 that just now got online Then what is the main selling point of the zBC12 versus the z114? You might recall my article System z on contemporary zLinux where I explained that running modern Linux on a z114 is hard. This is the main selling point for me to upgrade - being able to run things like more modern Linuxes than z114. While the latest OSes in zLinux, z/VM, and z/OS require z13 or newer - a zBC12 still allows me to run a few releases newer software. Image 2: The operator himself in the picture with Athena Perhaps one of the bigger deals that is very welcome is the support for OSA-Express5S. This means that while previously you needed both PCIe and I/O bays in order to have both effective higher speed connectivity like 8G FC or 10 GB Ethernet as wel...
A collection of articles about me building, fixing, hacking and modding stuff.