Category: <b>DOS-based task switchers/multitaskers</b>
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<pre><b>INT F9 - DoubleDOS - ???</b>

--------h-F9
INT F9 - Sanyo MBC-550/555 - IRQ1 - ???
Note:	documented as "for system use only"; normally enabled at the 8259
SeeAlso: INT 09"IRQ1",INT F8"Sanyo",INT FA"Sanyo"
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