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Windows NT + Award BIOS Memory Hole

sjanke
sjanke asked
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Last Modified: 2013-12-14
We've got a Windows NT machine (Pentium 100) with 32M of memory.  We'd like to take advantage of an Award BIOS (version 4.50g) feature that defines a 1M "hole" in memory at 15M.  This hole does not map addresses to system memory, so that it is ideal for positioning ISA bus devices that use memory mapped I/O.  Our problem is that when we enable this BIOS feature, Windows NT boots up reporting only 15M of memory.  For some reason, it can't see the other 16M of memory on the other side of the hole.  How can we fix this so that all the usable memory is available?
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Commented:
the manual to the bios states "The machine and operating systems will however only be able to map the first 15MB of memory with this option turned on"

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