/usr/share/openmsx/extensions/rs232.xml is in openmsx-data 0.10.0-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | <?xml version="1.0" ?>
<!DOCTYPE msxconfig SYSTEM 'msxconfig2.dtd'>
<msxconfig>
<info>
<name>Generic MSX RS-232</name>
<manufacturer/>
<code/>
<release_year/>
<description>Generic MSX RS-232 cartridge.</description>
<type>RS-232 cartridge</type>
</info>
<devices>
<primary slot="any">
<secondary slot="any">
<MSX-RS232 id="Generic MSX RS-232">
<io base="0x80" num="8"/>
<mem base="0x4000" size="0x4000"/>
<rom>
<sha1>47c78981b5ffbb9e8d9c2145f9c2e642ff0e8193</sha1> <!-- v1.01 -->
<sha1>92a433e877626461a6481ca75c252e643752f0c4</sha1> <!-- v1.00 -->
<filename>roms/rs232.rom</filename>
</rom>
</MSX-RS232>
</secondary>
</primary>
</devices>
</msxconfig>
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