Dissecting the HMC 4.5 system for fun (and profit?)
The HMC is a Linux-based system which boots to a customized environment and launches a Java applet that can be used to manage POWER systems. HMC 4.5 comes on...
Recent Posts
IBM 3151 Shenanigans!
I recently got an IBM 3151 ASCII Display Station, which is a (somewhat) VT100-compatible terminal with a nice IBM look and feel to it. My unit has a green tu...
Reading Incremental Rotary Encoders in Quadrature in Software via GPIO
Incremental Encoders (IE) utilize two out-of-phase channels to carry information about the direction and speed of motion of a rotating shaft, such as the out...
Getting NVIDIA Visual Profiler running in 2024
NVIDIA Visual Profiler has been discontinued in favor of the NSight Compute suite, which does not support older GPUs (so… NVIDIA, f-u!). Having to use a vene...
Installing NetBSD on woefully underpowered hardware
It’s no secret I have a knack for weird and generally useless computing devices. Today, I’ll dive into the wonderful world of NetBSD, and how I installed the...