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P6LX2-A User’s Manual
4:
Reference Information – 4.36
IDE HDD Block Mode
Enables hard disk drive block transfer mode . The setting op-
tions are:
Enabled (default)
Disabled
On-Chip Primary/Secondary PCI IDE
Enables or Disables the Primary or Secondary PCI controllers.
Selecting “Disabled” releases IRQ14 ( for Primary) or IRQ15 (for
Secondary).
Enabled (default)
Disabled
IDE Primary/Secondary Master/ Slave PIO
These four lines set the hard disk PIO transfer mode, which
affects the hard disk data transfer rate. The system will auto-
detect the PIO mode of a device in any of these positions when
they are set to ‘Auto’, the recommended setting. Alternatively,
you can set the mode manually. Modes 0 to 4 are supported.
Ultra DMA/33 Support
The default setting, Enabled, enables hard disk UltraDMA
transfer mode, which requires a drive that supports this data trans-
fer method. The system will auto-detect an UltraDMA device in
any of the four IDE positions. The other setting is ‘Disabled’.
You can leave this set to Auto without effect if there are no
UltraDMA devices installed.
USB Keyboard Support
Enables or Disables support for a USB keyboard. Enable this if
you connect a USB keyboard. The default is Disabled.
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