Dma mode – Kontron AM5010 BIOS User Manual
Page 33
AM4010/AM4011/AM5010 BIOS
Advanced Setup
ID 1022-2060, Rev. 2.0
Page 23
DMA Mode
Optimal and Fail-Safe default settings: Auto
SETTING
DESCRIPTION
Auto
Use this setting to permit the BIOS to auto detect the DMA mode.U
Specify Auto if the IDE disk drive support cannot be determined.
SWDMA0
Use this setting to permit the BIOS to use Single Word DMA mode 0.
This mode has a data transfer rate of 2.1 MBs.
SWDMA1
Use this setting to permit the BIOS to use Single Word DMA mode 1.
This mode has a data transfer rate of 4.2 MBs.
SWDMA2
Use this setting to permit the BIOS to use Single Word DMA mode 2.
This mode has a data transfer rate of 8.3 MBs.
MWDMA0
Use this setting to permit the BIOS to use Multi Word DMA mode 0.
This mode has a data transfer rate of 4.2 MBs.
MWDMA1
Use this setting to permit the BIOS to use Multi Word DMA mode 1.
This mode has a data transfer rate of 13.3 MBs.
MWDMA2
Use this setting to permit the BIOS to use Multi Word DMA mode 2.
This mode has a data transfer rate of 16.6 MBs.
UDMA0
Use this setting to permit the BIOS to use Ultra DMA mode 0.
This mode has a data transfer rate of 16.6 MBs. It has the same transfer rate as PIO mode 4
and Multi Word DMA mode 2.
UDMA1
Use this setting to permit the BIOS to use Ultra DMA mode 1.
This mode has a data transfer rate of 25 MBs.
UDMA2
Use this setting to permit the BIOS to use Ultra DMA mode 2.
This mode has a data transfer rate of 33.3 MBs.
UDMA3
Use this setting to permit the BIOS to use Ultra DMA mode 3.
This mode has a data transfer rate of 44.4 MBs. To use this mode, it is required that an 80-
conductor ATA cable is used.
UDMA4
Use this setting to permit the BIOS to use Ultra DMA mode 4.
This mode has a data transfer rate of 66.6 MBs. To use this mode, it is required that an 80-
conductor ATA cable is used.
UDMA5
Use this setting to permit the BIOS to use Ultra DMA mode 5.
This mode has a data transfer rate of 99.9 MBs. To use this mode, it is required that an 80-
conductor ATA cable is used.
UDMA6
Use this setting to permit the BIOS to use Ultra DMA mode 6.
This mode has a data transfer rate of 133.2 MBs. To use this mode, it is required that an 80-
conductor ATA cable is used.