Chapter 5 BIOS Setup
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WA133 Series
5.6 Integrated Peripherals
5.6.1 On-Chip Primary / Secondary PCI IDE
This field enables or disables the onboard IDE controller.
Options
Enabled (*)
Disabled
5.6.2 IDE Primary Master / Slave PIO
IDE Secondary Master / Slave PIO
These fields configure the PIO (Programmable Input Output) transfer mode for each IDE
devices. The maximum transfer rates of each PIO mode are listing as follow:
Higher setting may exceed the capability of older IDE device and cause
problem.
PIO Mode Setting
Maximum transfer rate
PIO Mode 0
3.3 MB/sec
PIO Mode 1
5.2 MB/sec
PIO Mode 2
8.3 MB/sec
PIO Mode 3
11 MB/sec
PIO Mode 4
16.6 MB/sec
Options
Description
Auto (*)
The BIOS negotiates with device automatically
Mode 0
Use Mode 0 timing to access device
Mode 1
Use Mode 1 timing to access device
Mode 2
Use Mode 2 timing to access device
Mode 3
Use Mode 3 timing to access device
Mode 4
Use Mode 4 timing to access device