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poly88 rom replacement board — replica PCBs including backplanes and interface cards | Open App Note
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@abzman
s100-PCBs
s100-PCBs
abzman
replica PCBs including backplanes and interface cards
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Components (7)
Reference
Value
Description
U1
8080 on top
U2
28C64
U3-U5
2708
U6
8080 on bottom
D1-D3
1N4148
J1
bank select
R1
4.7k
s100-PCBs schematic
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s100-PCBs board