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RAM_ROM_Expansion — VZ200 Restoration | Open App Note
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vz200-restoration
vz200-restoration
rweather
VZ200 Restoration
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Components (14)
Reference
Value
Description
U1
62256 32K Static RAM
U2
28C256 32K EEPROM
U3
74LS00
U4
74LS02
C1-C4
100nF
C5
47uF
D1-D3
BAT42
H1-H4
3mm
P1
Cartridge Port
R1
100K
R2
4K7
SW1
ROM A13
SW2
ROM A14
SW3
RAM Start
vz200-restoration schematic
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vz200-restoration board