MSI MS-95S6 - Manual (Page 61)

BIOS Setup
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MS-9298
4-9
BIOS Setup
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MS-9298
USB Configuration
Hotplug USB FDD Support
Set to [Enabled] if your need to use a hotplug USB-interfaced FDD in the op-
erating system that does not support or have any USB driver installed, such
as DOS and SCO Unix.
USB Mass Storage Device Configuration
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