Acer AT350 F1 Series User Manual page 91

Parameter
PIO Mode
Description
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.
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.
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Options
Auto, 0, 1,
2, 3, 4