From owner-freebsd-hackers Thu Feb 1 00:23:37 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id AAA05857 for hackers-outgoing; Thu, 1 Feb 1996 00:23:37 -0800 (PST) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id AAA05824 for ; Thu, 1 Feb 1996 00:23:26 -0800 (PST) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id JAA28198; Thu, 1 Feb 1996 09:21:35 +0100 Received: by sax.sax.de (8.6.11/8.6.12-s1) with UUCP id JAA27398; Thu, 1 Feb 1996 09:21:34 +0100 Received: (from j@localhost) by uriah.heep.sax.de (8.7.3/8.6.9) id JAA25835; Thu, 1 Feb 1996 09:05:41 +0100 (MET) From: J Wunsch Message-Id: <199602010805.JAA25835@uriah.heep.sax.de> Subject: Re: Compaq 16MB limit... To: freebsd-hackers@freebsd.org (FreeBSD hackers) Date: Thu, 1 Feb 1996 09:05:41 +0100 (MET) Cc: m_tanaka@pa.yokogawa.co.jp (Mihoko Tanaka) Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <9602010134.AA10287@cabbage.pa.yokogawa.co.jp> from "Mihoko Tanaka" at Feb 1, 96 10:34:49 am X-Phone: +49-351-2012 669 X-Mailer: ELM [version 2.4 PL23] MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-hackers@freebsd.org Precedence: bulk As Mihoko Tanaka wrote: > > >>There is no documented API to return the amount of RAM in a machine > >>other than CMOS. There is no BIOS routine that can be used by the > >>boot blocks to overcome this limit, nor does the POST place the results > >>of its test or expose a ROM routine for sizing memory. > > I asked a engineer of COMPAQ about it last month. > He said that we can use the following BIOS call for getting the > amount of RAM in a machine. > > ------------------------ cut cut cut --------------------------------- > INT 15h AX=E801h ---- GET SUPER EXTENDED MEMORY INFORMATION He's apparently kidding. :-/ He tells you to overcome a Compaq bogosity by yet another Compaq bogosity. Of course, for Compaq, the world is okay. There's nothing else than Compaqs around, certainly... -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)