[noitemtoshow]

Nope. It was bad. It made computers in the 286/386 eras having RAM above 1MB sitting there and doing nothing. It took years to transit to DOS/4G and then finally 32bit OS Windows 95.

[chasil]

Ah, memories.

https://en.wikipedia.org/wiki/Expanded_memory

https://en.wikipedia.org/wiki/Extended_memory

https://en.wikipedia.org/wiki/Physical_Address_Extension