Avalue ECM-LX800 - Manual (Page 56)

ECM-LX800
56 ECM-LX800 User’s Manual
Mode 4 mode, the system automatically determines the
best mode for each device.
IDE Primary Master UDMA
IDE Primary Slave UDMA
Auto
Disabled
Ultra DMA implementation is possible only if
your IDE hard drive supports it and the
operating environment includes a DMA driver
(Windows 95 OSR2 or a third-party IDE bus
master driver). If the hard drive and the system
software both support Ultra DMA, select Auto to
enable BIOS support.
IDE DMA Transfer Access
Enabled
Disabled
This item allows to enable or disable DMA
(Direct Memory Access) support for all IDE
devices.
IDE HDD Block Mode
Enabled
Disabled
Block mode is also called block transfer,
multiple commands, or multiple section
read/write. If the 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.
Onboard FDC Controller
Enabled
Disabled
Select Enabled if your system has a floppy disk
controller (FDC) installed on the system board
and you wish to use it. If you are not going to
use FDC or the system has no floppy drive,
select Disabled in this field.
3.5.5 IT8888 ISA Decode IO
The decode I/O spaces can be programmed to claim PCI I/O cycle with
Fast/Medium/Slow/Subtractive DEVSEL# (Device Select) timing speed.
3.5.6 IT8888 ISA Decode Memory
The decode Memory spaces can be programmed to claim PCI Memory cycle with