Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cs.utexas.edu!swrinde!ucsd!nosc!crash!simpact!jeh
From: jeh@simpact.com
Newsgroups: comp.sys.ibm.pc
Subject: Re: Why is DOS limited to 640K?
Message-ID: <697.253b3ec9@simpact.com>
Date: 17 Oct 89 22:01:29 GMT
References: <8909270503.AA28536@euler.Berkeley.EDU> <10253@cbnews.ATT.COM> <1142@crdos1.crd.ge.COM>
Organization: Simpact Associates, San Diego CA
Lines: 18

I have a somewhat-related question.  

I have an AT clone with the Award BIOS.  It came with 640K ram.  

I acquired some 256K DRAMs and replaced the 64Ks, providing 1 Mbyte on
the motherboard, assuming that this would let me use 640K for DOS and
384K for whatever (VDISK ?).  I changed the SETUP EEPROM options to 
tell the system that this was available.  

I did this a while back and I can't remember all the permutations -- but
there seemed to be no combination that would let me set it up as 640/384.  
At least, Norton Utilities' SI would not report that 384K extended (expanded?
I can never remember -- I'm not really a PC person) was available.  The
best I could do was 640/128, which hardly seemed worth the trouble.  
Oh, by telling the EEPROM that I had 512K on board I got SI to report 512 K
main and 512K ex., but that's not what I want either.  

What gives?