From roberto@keltia.freenix.fr  Wed Nov 20 14:31:51 1996
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Message-Id: <Mutt.19961120232605.roberto@keltia.freenix.fr>
Date: Wed, 20 Nov 1996 23:26:05 +0100
From: roberto@keltia.freenix.fr (Ollivier Robert)
To: aurbina@acnet.net
Cc: freebsd-gnats-submit@freebsd.org
In-Reply-To: <199611201537.HAA11556@freefall.freebsd.org>; from aurbina@acnet.net on Nov 20, 1996 07:37:05 -0800
Subject: =?iso-8859-1?Q?Re=3A_bin=2F2071=3A_FreeBSD_does=B4t_recognize_aditional_?=
 =?iso-8859-1?Q?memory_I_installed=2C_the_AMI_BIOS_do?=
References: <199611201537.HAA11556@freefall.freebsd.org>

>Number:         2073
>Category:       junk
>Synopsis:       =?iso-8859-1?Q?Re=3A_bin=2F2071=3A_FreeBSD_does=B4t_recognize_aditional_?=
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    gnats-admin
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Nov 20 14:40:03 PST 1996
>Closed-Date:    Fri Nov 29 14:04:23 PST 1996
>Last-Modified:  Tue Nov 27 19:23:19 PST 2001
>Originator:     
>Release:        
>Organization:
>Environment:
>Description:
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->closed 
State-Changed-By: fenner 
State-Changed-When: Fri Nov 29 14:04:23 PST 1996 
State-Changed-Why:  
This appears to be a misdirected reply to bin/2071 (GNATS doesn't parse 
Q-P-encoded headers). 
>Unformatted:
 =?iso-8859-1?Q?memory_I_installed=2C_the_AMI_BIOS_do?=
According to aurbina@acnet.net:
> >Description:
> I installed 16 megs aditional RAM, The AMI BIOS recognize well, 80 M total,
> but when FreeBSD boot, only recognize 64M
> 
> Nov 18 08:45:47 multired /kernel: real memory  = 67108864 (65536K bytes)
> Nov 18 08:45:47 multired /kernel: avail memory = 62935040 (61460K bytes)
> >How-To-Repeat:
> 
> >Fix:

Reading the FAQ ? :-)

7.6. I have 128 MB of RAM but the system only uses 64 MB.
          
   Due to the manner in which FreeBSD gets the memory size from the BIOS,      
   it can only detect 16 bits worth of Kbytes in size (65535 Kbytes =
   64MB). If you have more than 64MB, FreeBSD will only see the first 
   64MB. To work around this problem, you need to use the kernel option
   specified below. There is a way to get complete memory information
   from the BIOS, but we don't have room in the bootblocks to do it.
   Someday when lack of room in the bootblocks is fixed, we'll use the
   extended BIOS functions to get the full memory information...but for
   now we're stuck with the kernel option.                    

            options "MAXMEM=<n>"                                        

   Where n is your memory in Kilobytes. For a 128 MB machine, you'd
   want to use 131072                                                 

-- 
Ollivier ROBERT    -=- The daemon is FREE! -=-    roberto@keltia.freenix.fr
  FreeBSD keltia.freenix.fr 3.0-CURRENT #28: Sun Nov 10 13:37:41 MET 1996
