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Avalue EBM-LX800 User Manual

Page 57

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User’s Manual

EBM-LX800 User’s Manual

57

Mode 3
Mode 4

successively increased performance. In Auto
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.

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
Fast/Medium/Slow/Subtractive DEVSEL# (Device Select) timing speed.