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Introducing the BIOS
User’s Manual
3-19
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IDE Secondary Master PIO:
Six options are available: Auto ) Mode 0 ) Mode 1 ) Mode 2 )Mode 3 ) Mode 4. The default
setting is Auto. The BIOS can auto-detect the transfer mode of the IDE devices in order to set its data
transfer rate (Default). You can select the PIO mode from Mode 0 to Mode 4 of the IDE devices in
order to set its data transfer rate. This field is not available to enter when the “Internal PCI/IDE”
field is Disabled or Primary.
"
IDE Secondary Slave PIO:
Six options are available: Auto ) Mode 0 ) Mode 1 ) Mode 2 )Mode 3 ) Mode 4. The default
setting is Auto. The BIOS can auto-detect the transfer mode of the IDE devices in order to set its data
transfer rate (Default). You can select the PIO mode from Mode 0 to Mode 4 of the IDE devices in
order to set its data transfer rate. This field does not appear when the “Internal PCI/IDE” field is
Disabled or Primary.
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Primary Master Ultra DMA:
Two options are available: Disabled or Auto. 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 100 MB/sec.
If you encounter the problem of using Ultra DMA devices, you can try to set this item to Disabled.
When you select Auto, the system automatically determines the optimal data transfer rate for each
IDE device. This field is not available to enter when the “Internal PCI/IDE” field is Disabled or
Secondary.
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Primary Slave Ultra DMA:
Two options are available: Disabled or Auto. 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 100 MB/sec.
If you encounter the problem of using Ultra DMA devices, you can try to set this item to Disabled.
When you select Auto, the system automatically determines the optimal data transfer rate for each
IDE device. This field is not available to enter when the “Internal PCI/IDE” field is Disabled or
Secondary.
"
Secondary Master Ultra DMA:
Two options are available: Disabled or Auto. 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 100 MB/sec.
If you encounter the problem of using Ultra DMA devices, you can try to set this item to Disabled.
When you select Auto, the system automatically determines the optimal data transfer rate for each
IDE device. This field is not available to enter when the “Internal PCI/IDE” field is Disabled or
Primary.
"
Secondary Slave Ultra DMA:
Two options are available: Disabled or Auto. 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 100 MB/sec.
If you encounter the problem of using Ultra DMA devices, you can try to set this item to Disabled.
When you select Auto, the system automatically determines the optimal data transfer rate for each
IDE device. This field is not available to enter when the “Internal PCI/IDE” field is Disabled or