All hardware: Sparrowsoft

Title	Product type
SCSI Harddisk interface	Other Storage Controller
WBM-512 512kB Externe Memory Mapper Made by "HSP". With "Green" naming, referring to Green B.V. which was the successor of Sparrowsoft after they tried to restart from their bankruptcy. Cartridge case is a recycled Micro Technology casing, which is too small for the large PCB.	RAM Expansion