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To: "HARAWAT.IN.ORACLE.COM" <HARAWAT.IN.ORACLE.COM.ofcmail@in.oracle.com>
Cc: port-i386@netbsd.org
Subject: Re: RAM not detected properly 
Reply-To: Jason Thorpe <thorpej@nas.nasa.gov>
From: Jason Thorpe <thorpej@nas.nasa.gov>
Date: Sat, 09 Nov 1996 11:17:18 -0800

[ This is an i386 question, and I've moved it to port-i386, but BCC'd
  tech-kern so they know this messages was replied to... ]

On Sat, 9 Nov 1996 22:53:42 +0530 
 "HARAWAT.IN.ORACLE.COM" <HARAWAT.IN.ORACLE.COM.ofcmail@in.oracle.com> wrote:

 > 	I have a compaq deskro machine which was initially having 16 Mb of 
 > RAM, I upgraded the RAM to 32 Mb, now the machine while coming up shows
 > 32 Mb 
 > of RAM, but the netbsd1.1 kernel still uses only 16 Mb of RAM, any ideas
 > what 
 > could be the possible reasons for this, from where the kernel picks the
 > amount 
 > of RAM in  the machine. 

Some BIOSes don't report RAM correctly.  NetBSD 1.1 didn't have an easy
way of setting this, but NetBSD 1.2 does; use the EXTMEM_SIZE kernel
option:

options		EXTMEM_SIZE=(31*1024)

that accounts for 640k + hole + 31M of extended memory.

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                               Home: 408.866.1912
NAS: M/S 258-6                                          Work: 415.604.0935
Moffett Field, CA 94035                                Pager: 415.428.6939

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