4-4
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UPER X5DPA-8GG
User’s Manual
Block (Multi-Sector Transfer)
Block mode boosts IDE drive performance by increasing the amount of data
transferred. Only 512 bytes of data can be transferred per interrupt if block
mode is not used. Block mode allows transfers of up to 64 KB per interrupt.
Select "Disabled" to allow the data to be transferred from and to the device
one sector at a time. Select "Auto" to allows the data transfer from and to
the device occur multiple sectors at a time if the device supports it. The
options are "
Auto
" and "Disabled".
PIO Mode
IDE PIO (Programmable I/O) mode programs timing cycles between the IDE
drive and the programmable IDE controller. As the PIO mode increases, the
cycle time decreases. The options are "
Auto
", "0", "1", "2", "3", and "4".
Select Auto to allow the BIOS to auto detect the PIO mode. Use this value if
the IDE disk drive support cannot be determined. Select 0 to allow the BIOS
to use PIO mode 0. It has a data transfer rate of 3.3 MBs. Select 1 to allow
the BIOS to use PIO mode 1. It has a data transfer rate of 5.2 MBs. Select
2 to allow the BIOS to use PIO mode 2. It has a data transfer rate of 8.3
MBs. Select 3 to allow the BIOS to use PIO mode 3. It has a data transfer
rate of 11.1 MBs. Select 4 to allow the BIOS to use PIO mode 4. It has a data
transfer rate of 16.6 MBs. This setting generally works with all hard disk
drives manufactured after 1999. For other disk drives, such as IDE CD-ROM
drives, check the specifications of the drive.
allow the BIOS to use Single Word DMA mode 0. It has a data transfer rate
of 2.1 MBs. Select SWDMA1 to allow the BIOS to use Single Word DMA
mode 1. It has a data transfer rate of 4.2 MBs. Select SWDMA2 to allow the
BIOS to use Single Word DMA mode 2. It has a data transfer rate of 8.3
MBs. Select MWDMA0 to allow the BIOS to use Multi Word DMA mode 0. It
has a data transfer rate of 4.2 MBs. Select MWDMA1 to allow the BIOS to
use Multi Word DMA mode 1. It has a data transfer rate of 13.3 MBs. Select
MWDMA2 to allow the BIOS to use Multi-Word DMA mode 2. It has a data
transfer rate of 16.6 MBs. Select UDMA0 to allow the BIOS to use Ultra DMA
mode 0. It 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. Select UDMA1 to allow
the BIOS to use Ultra DMA mode 1. It has a data transfer rate of 25 MBs.
Select UDMA2 to allow the BIOS to use Ultra DMA mode 2. It has a data
transfer rate of 33.3 MBs.
The Options are "
Auto
", "SWDMA0", "SWDMA1", "SWDMA2", "MWDMA0",
"MWDMA1", "MWDMA2","UDMA0", "UDMA1", and "UDMA2".
Select Auto to allow the BIOS to auto detect the DMA mode. Use this value
if the IDE disk drive support cannot be determined. Select SWDMA0 to
DMA Mode
Содержание X5DPA-8GG
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