I've added hard drive support for the K10.
github.com
kaypro/kaypro.cpp: Emulate the WD1002-HD0 hard disk controller on the Kaypro 10 by davidlrand · Pull Request #15430 · mamedev/mame
Summary Adds emulation of the WD1002-HD0 Winchester controller and its 10 MB ST506 drive to the two Kaypro 10 machine configurations, which previously had floppy-only support (the driver carried a ...