General view
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Front logo
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Rear: Power connector, parallel port,
serial port, video cable, FDD interface,
tape connector.
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With Neptun 156 monitor.
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My power supply, modified exernal HDD PSU.
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Front cover removed - general view.
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Notice the edge on the left - it's a wood!
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FDD Parallel chip (8255) and 64K memory.
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Network extension board. It's very simple,
UCY75451 is switching serial port.
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Back of keyboard PCB. Notice 3 connectors.
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Mainboard.
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Back of the mainboard.
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CPU close-up.
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ROMs close-up.
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I/O circuits.
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Meritum BASIC ready.
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System prompt...
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...trying to run Monitor runs the same
software as NET command.
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Network software main menu.
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GEOR command from my unit 5 to unit 2.
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Disk commands...
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Sending message to unit 6...
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Printing error - NO in the corner.
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Looks like command permissions.
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Neptun 156 - front sticker
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Neptun 156 - general view
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It was made from TV - see ARC button, it's
Automatic tuning correction.
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Back information
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These cases were quite universal.
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Meritum on cover of "Mlody Technik"
newspaper from 1980s
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Protective cover for monitor on Neptun 156 display
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