Windows 7 (Safe)VGA Ports?

I'm looking at the VgaSafe I/O ports in Windows 7, and I find some ports not listed in the IBM docs:
- Port 3B0-3BB: Listed: Just the monochrome operations afaik.
- Port 3C0-3DF: Same, but for color operations afaik.
- Memory range: A0000-BFFFF: Just the standard VGA memory range.

Unknown:
- Port 1CE-1CF: ???
- Port 2E8-2EF: ???

Can anyone tell me what those ports do (with ???)?
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At the very least, this should be in the Windows Programming forum (click Edit Topic at the top of your post and move it). This doesn't really have anything to do with C++ - have you considered asking your question on SuperUser instead?
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