Olivetti PCOS Ver.2
ROM information for this Olivetti M20 disk.
Here you can see exact dump's name, size CRC, SHA1 and region.Set(s) list:
m20: pcos20f
Information last updated on November 08, 2020.Set's name: "pcos20f"
MAME's description: Olivetti PCOS 2.0f
ROM name="pcos20f.img" size="286720" crc="87297648" sha1="10c3247d2d72f6d2f06c3b582704db55ed5a1e28"
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