Our engineer in charge of PCI bus says:
There's no way to re-config inside win2k without zero'ing out the windows of
the bridge to make the bridge look like it wasn't BIOS configured. Then
we'll do a normal configuration and we will chose a range that has the
XP behaves mostly the same in this area. In the case where the BIOS doesn't
configure the bridge XP will try more memory bridge size options to try to
find one that works. This is likely not a relevant difference for this
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