File:National FS-5500 ROM and RAM board.jpg

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Summary

ROM and RAM board of a National FS-5500, marked DFUP0039ZA. Labelled ROMs OS1 (DAS5500A1), HKN (DAS5500E1), AP1 (DAS5500C1), OS2 (DAS5500B1) and FDC (DAS5500F1), all marked 1985 Matsushita; two TMS4464-15NL DRAMs; 74LS-series logic; two radial electrolytic capacitors; edge connector CN201 along the bottom.

Source

MSX Resource Center wiki, File:National_FS-5500_ROM-Board-PCB.jpg, https://www.msx.org/wiki/File:National_FS-5500_ROM-Board-PCB.jpg (retrieved 2026-10-21). Uploaded there by Rderooy on 27 September 2016 with the description "National FS-5500 - ROM board PCB".

Author

The photographer is not recorded at the source.

Licence

No licence is stated at the source. Used here to show the board, with the source credited.

File history

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	14:27, 21 October 2026		1,615 × 620 (210 KB)	Josh (talk \| contribs)	Photo from the MSX Resource Center wiki

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National FS-5500