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3.7.6 Assign IRQ For USB
When disabled, the BIOS will not assign IRQ channel to USB controller.
Options
Enabled (*) / Disabled
3.8 INTEGRATED PERIPHERALS
3.8.1 IDE HDD Block Mode
When enabled, the IDE controller will use the faster block mode to access devices.
Options
Enabled (*) / Disabled
3.8.2 IDE Primary Master / Slave PIO
IDE Secondary Master / Slave PIO
These fields configure the PIO (Programmable Input Output) transfer mode for IDE controller. The
maximum transfer rate of each PIO mode are listing as follow:
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
3.8.3 IDE Primary Master / Slave Ultra DMA
IDE Secondary Master / Slave Ultra DMA
When selected Auto, the IDE controller will use Ultra DMA 33 Mode to access device if the device
supports it. The maximum transfer rate of Ultra DMA 33 Mode is 33.3 MB/sec.
Options
Auto (*) / Disabled
3.8.4 On-Chip Primary / Secondary PCI IDE
These fields enable or disable the onboard IDE controller.
Options
Enabled (*) / Disabled