Abit SX7-533 User Manual page 52

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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.
Onboard PCI IDE:
Four options are available: Disabled ) Primary ) Secondary ) Both. Default setting is Both. This item
allows you disable all onboard PCI IDE devices, or enable one of them. Of course you can enable both
PCI IDE devices as well. The enabled items will appear white in color and disabled items will show in a
blue green color.
"
Primary Master Prefetch:
Two options are available: Disable or Enable. The default setting is Enable. The onboard IDE drive
interfaces supports IDE prefetching for faster drive accesses. If you install a primary add-in IDE
interface, set this field to Disable if the interface does not support prefetching.
"
Primary Slave Prefetch:
Two options are available: Disable or Enable. The default setting is Enable. The onboard IDE drive
interfaces supports IDE prefetching for faster drive accesses. If you install a primary add-in IDE
interface, set this field to Disable if the interface does not support prefetching.
"
Secondary Master Prefetch:
Two options are available: Disable or Enable. The default setting is Enable. The onboard IDE drive
interfaces supports IDE prefetching for faster drive accesses. If you install a secondary add-in IDE
interface, set this field to Disable if the interface does not support prefetching.
SX7-533
Chapter 3