However , most available memory access controllers only support mappings of up to 32 Mbit .
A fairly normal mapping could easily address up to 95 Mbit of ROM data ( 63 Mbit at FastROM speed ) with 8 Mbit of battery - backed RAM .
Most available memory access controllers only support mappings of up to 32 Mbit .
A fairly normal mapping could easily address up to 95 Mbit of ROM data ( 63 Mbit at FastROM speed ) with 8 Mbit of battery - backed RAM .