Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!brutus.cs.uiuc.edu!wuarchive!texbell!texsun!newstop!sun!amdcad!pepsi!phil
From: phil@pepsi.amd.com (Phil Ngai)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Steve Gibson's 386sx column
Message-ID: <29184@amdcad.AMD.COM>
Date: 15 Feb 90 17:46:59 GMT
References: <29140@amdcad.AMD.COM> <40970047@hpindda.HP.COM>
Sender: news@amdcad.AMD.COM
Reply-To: phil@pepsi.AMD.COM (Phil Ngai)
Organization: Advanced Micro Devices, Inc. Sunnyvale CA
Lines: 12

In article <40970047@hpindda.HP.COM> huilin@hpindda.HP.COM (Hui-Lin Lim) writes:
|Is the BIOS at f000-f800 automatically disabled so that it
|doesn't appear in the memory map or does it have to be manually
|disabled?  If the latter case, how is this done?

Nope, it's the magic of QEMM-386/386^Max. The MMU remaps the logical
addresses F000:0-8000 to real RAM, probably in the extended address
range but the actual location is irrelevant.

--
Phil Ngai, phil@amd.com		{uunet,decwrl,ucbvax}!amdcad!phil
When guns are outlawed, only governments will have guns.