Portwell WEBS-1108A, User Manual, Page: 44 / 74

WEBS-1108A User Manual 44
OnChip IDE Device
y
IDE HDD Block Mode
Block mode is also called block transfer, multiple commands, or multiple sector read/write. If your
IDE hard drive supports block mode (most new drives do), select Enabled for automatic detection
of the optimal number of block read/writes per sector the drive can support
y
IDE DMA transfer access
To Enable/Disable the IDE DMA transfer access
y
OnChip Primary PCI IDE
The integrated peripheral controller contains an IDE interface with support for two IDE channels.
Select Enabled to activate each channel separately
y
IDE Primary/Secondary Master/ Slave PIO
The four IDE PIO fields allow you to set a PIO mode (0-4) for each of the four IDE devices that
the onboard IDE interface support s. Modes 0 through 4 provide succes sively incr eased
performance. In Auto mode, the system autom
atically deter mines the best mode for each
device.
y
IDE Primary/Secondary Master/ Slave UDMA
Ultra DMA/33 implementation is possible only if your IDE hard drive supports it and the operating
environment includes a DMA driver (Windows 95 OS R2 or a third-party IDE bus master driver).
If you hard drive and your syste m software both support Ultra D MA/33, select Auto to enable