(often the SPRD UMS512 or similar variant) used in high-end head units like the Topway TS10 or TS18 for smooth performance. : In this context, it likely stands for Virtual Machine Monitor
(often the SPRD UMS512 or similar variant) used in high-end head units like the Topway TS10 or TS18 for smooth performance. : In this context, it likely stands for Virtual Machine Monitor