Transcend Information TS-USP3 ユーザーズマニュアル

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     BIOS SETUP
3.6 Integrated Peripherals
This option will load the default BIOS values.  Choose the option and the following message
appears.
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On-Chip Primary/Secondary PCI IDE
The chipset contains a PCI IDE interface which supports two IDE channels.  Select “Enabled”
to activate the first and/or second IDE interface.  Select “Disabled” to deactivate this interface
when you install a primary and/or secondary add-in IDE interface.
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IDE Primary/Secondary Master/Slave PIO
The four IDE PIO (Programmed Input/Output) fields let you set a PIO mode (0-5) for each
of the four IDE devices that the onboard IDE interface supports.  Modes 0 through 5 provide
successively increased performance.  In “Auto” mode, the system automatically determines
the best one for each device.