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From: brigc@world.std.com (Brig C McCoy)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Help!  Where's the lost 128K memory?
Summary: Is it shadowing ROMs?
Message-ID: <1991Jun13.034458.6912@world.std.com>
Date: 13 Jun 91 03:44:58 GMT
Article-I.D.: world.1991Jun13.034458.6912
References: <1991Jun8.201349.14697@bronze.ucs.indiana.edu> <1991Jun12.192458.16961@bronze.ucs.indiana.edu>
Organization: Soft-tek International, Wichita, KS
Lines: 21

In article <1991Jun12.192458.16961@bronze.ucs.indiana.edu> jpollard@silver.ucs.indiana.edu () writes:
>>Hello!  I have a 80386-25 based PC with 64K cached memory and 4MB RAM.
>>It uses a noname motherboard and AMI BIOS.  When I turn on the
>>computer, it does self memory testing and says 3968 OK instead of 4096
  [...  ...]
>>Any idea of where the lost 128K goes in my computer?  Thanks in advance!
>>
>>Ted Wang
>>cwang@copper.ucs.indiana.edu

I'm not positive about this particular piece of hardware, but I know several
of the newer machines are set up to use 128K to "shadow" the ROM code... that
is copy the ROM code to the 128K of RAM where it'll run faster.

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