From owner-freebsd-alpha Thu May 15 18:06:40 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.5/8.8.5) id SAA28351 for alpha-outgoing; Thu, 15 May 1997 18:06:40 -0700 (PDT) Received: from mail1.digital.com (mail1.digital.com [204.123.2.50]) by hub.freebsd.org (8.8.5/8.8.5) with SMTP id SAA28346 for ; Thu, 15 May 1997 18:06:38 -0700 (PDT) Received: from dnaunix.pa.dec.com by mail1.digital.com (5.65 EXP 4/12/95 for V3.2/1.0/WV) id AA18561; Thu, 15 May 1997 18:03:19 -0700 Received: by dnaunix.pa.dec.com; id AA00771; Thu, 15 May 1997 18:03:22 -0700 To: Terry Lambert Cc: cgd@pa.dec.com (Chris G. Demetriou), gallatin@CS.Duke.EDU, imp@village.org, freebsd-alpha@FreeBSD.ORG From: "Chris G. Demetriou" Subject: Re: Alpha questions.. In-Reply-To: Your message of "Thu, 15 May 97 17:43:50 PDT." <199705160043.RAA16212@phaeton.artisoft.com> Date: Thu, 15 May 97 18:03:22 -0700 Message-Id: <769.863744602@dnaunix.pa.dec.com> X-Mts: smtp Sender: owner-freebsd-alpha@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk > > At minimum: > > > > (1) there are some interfaces provided by the SRM console's > > OSF PALcode on some platforms which are not provided > > by the MILO OSF PALcode, and > > > > (2) machine-checking handling/logout frames are different. > > (3) The SRM code for OSF/1 requires 32M. The Linux code only > requires 16M(*) > > (*) according to the guy here at the University of Arizona who did the > Linux stuff. And incorrect. Jeff Hsu (who did the initial port of NetBSD/alpha to AXPpci33-family systems) was running his AXPpci33 with only 16M, with the standard Digital SRM console. SRM is a pig -- it eats 2M right off. MILO apparently does better than that, but that's because of the console software, not the PALcode. In my opinion, you'd have to be ... brave to try and use an Alpha with 16M anyway, but there's no denying that the SRM eats more memory than it "should." cgd