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Introducing the BIOS
SiS Onchip IDE Device:
This item can let you sets several items concerning the SiS onchip IDE device parameters.
Figure 3-8C. SiS Onchip IDE Device Setup Menu Screen Shot
PCI IDE BusMaster:
Two options are available: Disabled or Enabled. The default setting is Enabled. The onboard IDE
controller can be set as enable or disable.
Primary 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.
Primary Slave UDMA:
Two options are available: Auto or Disabled. The default setting is Auto. Ultra DMA is a DMA data
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User's Manual
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