Article View: comp.sys.ibm.pc
Article #14261Re: Help! Where's the lost 128K memory?
From: Brig C McCoy
Date: Thu, 13 Jun 1991 03:44
Date: Thu, 13 Jun 1991 03:44
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1707 bytes
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. +-----------------------------------------------------------------+ | Brig C. McCoy -- "Standard disclaimers" | | Systems Administrator -- | | Soft-tek International -- Internet: brigc@world.std.com | | 1999 North Amidon, Suite 340 -- Voice: 316 838-7200 | | Wichita, KS 67203-2124 -- Fax: 316 838-3789 | +-----------------------------------------------------------------+
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!think.com!spool.mu.edu!uunet!world!brigc 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