also: コンベンショナルメモリ
conventional memory
In DOS-based systems, the first 640 KB of RAM accessible to programs without special memory management.
Programs in the DOS era often struggled with the limitations of conventional memory.
Variant without the final long vowel; common in technical contexts.
Spelling with interpunct, sometimes used for clarity.
Variant with interpunct and without the final long vowel.
Borrowed from English 'conventional memory', a technical term from early PC architecture.