== Disc management ==
Various measurements of the floppy disc speed had (3" internal or 3.5" external) or hard disc speed (Dobbertin HD20) have been taken.
=== Format a disc: 40 tracks (Data) or 80 tracks (Vortex or 720K Dos) ===
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=== Read a file of 40 KB, 176 KB or 400 KB from floppy-disc or hard-disc (HD20) ===
{|{{SortedPrettytable|width: 700px; font-size: 2em;}}
|''Size & Device''||''FutureOS''||''XD-DOS''||''Disc'o'Magic''||''AMSDOS''
|-
|40 KB, floppy||'''2,5'''||9||5||9
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|40 KB, hard-disc||'''1'''||4||n.f.||n.f.
|-
|176 KB, floppy||'''9'''||n.f.||17||n.f.
|-
|176 KB, hard-disc||'''2,5'''||n.f.||n.f.||n.f.
|-
|400 KB, floppy||'''21'''||n.f.||n.f.||n.f.
|-
|400 KB, hard-disc||'''6'''||n.f.||n.f.||n.f.
|-
|}
=== Write a file of 40 KB, 176 KB or 400 KB to floppy-disc or hard-disc (HD20) ===
{|{{SortedPrettytable|width: 700px; font-size: 2em;}}
|''Size & Device''||''FutureOS''||''XD-DOS''||''Disc'o'Magic''||''AMSDOS''
|-
|40 KB, floppy||'''2,5'''||12||5||12
|-
|40 KB, hard-disc||'''1'''||4||n.f.||n.f.
|-
|176 KB, floppy||'''9'''||n.f.||17||n.f.
|-
|176 KB, hard-disc||'''3'''||n.f.||n.f.||n.f.
|-
|400 KB, floppy||'''22'''||n.f.||n.f.||n.f.
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|400 KB, hard-disc||'''6'''||n.f.||n.f.||n.f.
|-
|}
[[Category:CP/M]][[Category:FutureOS]][[Category:Hardware]][[Category:Software]]