Many motherboards are coming
out without the ICH2 compatability mode (IO access vs Memory Mapped). Here
are links to the datasheets to add Memory Mapped functionality and other
features of ICH4:
General Data:
http://www.intel.com/design/chipsets/845g/index.htm
Datasheet:
http://developer.intel.com/design/chipsets/datashts/290744.htm
Chipset Comparisons:
http://developer.intel.com/design/chipsets/linecard.htm?iid=ipp_browse+chpsts_compare&
Thanks,
Gabe Widmer
Software Developer
SigmaTel Inc.
[EMAIL PROTECTED]
512-381-3746