First post, by Jo22
It is well know that the intel 8086 series can only address 1MiB of RAM,
due to the limitation of 20 external address lines.
But what about clones ?
According to an entry at cpu-collection.de, some flavors of the KP1810BM86M
can address up to 4MiB of RAM, due to 22 address lines.
There were also modified version KP1810BM86M.
It was running at 8.0 Mhz and was able to adress up to 4Mb of memory via 22 bits wide address bus.
Now I wonder, does anyone has got more information on this ?
Or does anybody know if other, similar chips like this exist ?
- Like for example, a version that has address line no.21 lead through ?
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