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STD Sharp-MZ80B ROM Card V3
Sharp-MZ80B ROM Card V3
License
Public Domain
License: Public Domain- 1
Update time：
2022-03-24 08:36:26
Creation time：
2021-07-30 05:56:25
Description
Description
This is an extension card for an old Sharp MZ80B computer. This PCB fits into an expansion slot of this computer and offers three functionalities:
a) Sound Generation using the YM2149
b) BOOT ROM Disc - Press "/" during IPL boot and the software will be transfered to the the lower 32K of the "B" and started
c) RAM/ROM Disc - 512 KByte RAM and 512 KByte ROM, the RAM disc is battery buffered
Design Drawing
Design Drawing
schematic diagram
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00 - Address Decoding
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01 - BOOT ROM
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02 - Connectors
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03 - Sound
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04 - RAM/ROM Bank
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05 - PowerManagement
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PCB
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