which chips are for MSB addresses and LSB addresses

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harrison2015

Joined Apr 22, 2015
80
when looking at a logic board schematic or an arcade game schematic, how do you know which chips are for the MSB and which ones are for the LSB?

Does the Address Mapping sheet tell which chips the MSB addresses controls and which chips the LSB addresses control?

Any educated guesses about this?
 
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