User Guide

Introducing the BIOS
User’s Manual
4-29
® Disabled: If you encounter the problem of using Ultra DMA devices, you can try to set this item
to Disabled.
 Primary Slave UDMA:
Two options are available: Auto or Disabled. The default setting is Auto. Ultra DMA is a DMA data
transfer protocol that utilizes ATA commands and the ATA bus to allow DMA commands to transfer
data at a maximum burst rate of 133 MB/sec.
® Auto: When you select Auto, the system automatically determines the optimal data transfer
rate for each IDE device. (Default)
® Disabled: If you encounter the problem of using Ultra DMA devices, you can try to set this item
to Disabled.
 Secondary Master UDMA:
Two options are available: Auto or Disabled. The default setting is Auto. Ultra DMA is a DMA data
transfer protocol that utilizes ATA commands and the ATA bus to allow DMA commands to transfer
data at a maximum burst rate of 133 MB/sec.
® Auto: When you select Auto, the system automatically determines the optimal data transfer
rate for each IDE device. (Default)
® Disabled: If you encounter the problem of using Ultra DMA devices, you can try to set this item
to Disabled.
 Secondary Slave UDMA:
Two options are available: Auto or Disabled. The default setting is Auto. Ultra DMA is a DMA data
transfer protocol that utilizes ATA commands and the ATA bus to allow DMA commands to transfer
data at a maximum burst rate of 133 MB/sec.
® Auto: When you select Auto, the system automatically determines the optimal data transfer
rate for each IDE device. (Default)
® Disabled: If you encounter the problem of using Ultra DMA devices, you can try to set this item
to Disabled.
Back to Integrated Peripherals Setup Menu Here:
Audio Device:
Two options are available: Disabled or Enabled. The default setting is Enabled. This item allows you to
enable or disable the onboard audio controller.
OnBoard LAN:
Two options are available: Disabled or Enabled. The default setting is Enabled. This item allows you to
enable or disable the onboard LAN controller.
 OnBoard LAN Boot ROM
Two options are available: Enabled or Disabled. The default setting is Disabled. When you set to
Enabled, even you do not connect bootable devices on your computer system, the system will
searching the bootable file through the local network. If system fined the bootable file on local
network, it will load it and use it to boot your computer system.