Acer AT350 F1 - Manual (Page 91)

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PIO Mode The IDE PIO (Programmable I/O) Mode
programs timing cycles between the IDE
drive and the programmable IDE
controller. As the PIO mode increases,
the cycle time decreases. Auto, 0, 1,
2, 3, 4
Select Auto to allow the AMI BIOS to automatically
detect the PIO mode. Use this value if the IDE disk drive
support cannot be determined.
Select 0 to allow the AMI BIOS to use PIO mode 0. It has
a data transfer rate of 3.3 MB/s.
Select 1 to allow the AMI BIOS to use PIO mode 1. It has
a data transfer rate of 5.2 MB/s.
Select 2 to allow the AMI BIOS to use PIO mode 2. It has
a data transfer rate of 8.3 MB/s.
Select 3 to allow the AMI BIOS to use PIO mode 3. It has
a data transfer rate of 11.1 MB/s.
Select 4 to allow the AMI BIOS to use PIO mode 4. It has
a data transfer bandwidth of 32 Bits. Select Enabled to
enable 32-Bit data transfer.
Parameter Description Options