Aaeon SBC-598 Manual page 62

IDE Primary/Secondary Master/Slave PIO
This sets 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.
Primary/Secondary Master/Slave UltraDMA
This sets the transfer mode of the UltraDMA hard disk, which
requires a drive that supports this data transfer method. The
system will auto-detect an UltraDMA device in any of these four
positions when they are set to Auto without effect if there are no
UltraDMA devices installed.
IDE Burst Mode
When this item is Enabled, the system will support burst data
transfer mode to increase HDD transfer speed.
IDE Data Port Post Write
This item allows users to select Enabled to use data port post
write for IDE drive.
IDE HDD Block Mode
Set this item to Enable to use HDD block transfer mode.
Onboard FDD Controller
Enables or Disables the onboard Floppy Drive controllers.
Onboard Serial Port 1/2
You can set the I/O address for serial ports 1/2. The system will
auto-detect the COM port address when this item set to Auto.
3F8/IRQ4 (default for port 1)
2F8/IRQ3 (default for port 2)
3E8/IRQ4
2E8/IRQ3
54 SBC-598 User Manual