From: "Lewis G Rosenthal" Received: from [192.168.100.201] (account lgrosenthal HELO [192.168.100.23]) by 2rosenthals.com (CommuniGate Pro SMTP 5.1.16) with ESMTPSA id 2846410 for ecs-t6x@2rosenthals.com; Wed, 02 Sep 2009 21:30:21 -0400 Message-ID: <4A9F1C2A.7040809@2rosenthals.com> Date: Wed, 02 Sep 2009 21:30:18 -0400 Organization: Rosenthal & Rosenthal, LLC User-Agent: Mozilla/5.0 (OS/2; U; Warp 4.5; en-US; rv:1.8.1.22) Gecko/20090704 MultiZilla/1.8.3.5g SeaMonkey/1.1.17 (PmW) MIME-Version: 1.0 To: eCS ThinkPad T60/61 Mailing List Subject: Re: [eCS T60/T61] OT: APM and kernel tyes (was: Re: [eCS T60/T61] Installing rc7 on T61) References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit On 09/01/09 07:45 pm, Chuck McKinnis thus wrote : > Lewis G Rosenthal wrote: >> Hi, Chuck... >> >> On 08/31/09 11:38 pm, Chuck McKinnis thus wrote : >>> Jon wrote: >>>> On Mon, 31 Aug 2009 19:53:33 -0600 Chuck McKinnis wrote: >>>>> >>>>> >>>>> If you plan to use SMP, do not install APM. >>>>> >>>> >>>> >>>> Chuck: >>>> >>>> So IIRC, under advanced install, APM is selected by default and >>>> ACPI is not. Am I correct in understanding you are recommending >>>> unselecting APM at this point in the pre-install screen? >>>> >>>> Thanks, Jon >>> >>> Absolutely. The SMP kernel, which was developed for Warp Server, >>> never expected to be suspended or throttled. Pasha is working on a >>> patch, but I don't think it is complete yet. >>> >> Any idea whether the UNI kernel includes APM support, Chuck, and >> whether the UNI kernel might be lacking something which ACPI would >> want in order to enable SMP? I have been running the UNI kernel on my >> T43 for a long time, APM works, and it suspends (no ACPI!!). I'm just >> curious as to whether that m8ght fast track the APM support under SMP >> for the T60/61, T400/500, related systems, and some desktops. >> >> TIA >> > > I am not sure if the UNI kernel had the same APM support as the W4 > kernel. It is about 3K less in size. The SMP kernel is aobut 50K > bigger than either of the others. I am pretty sure most of that is > code for supporting multiple processors. Is the APM support on your > T43 the IBM or eCS APM code? The IBM APM code did not know what ACPI > was. However, one of the options for OS2APIC.PSD was /APIC. > I am using APM.SYS: Signature: @#IBM:10.156#@ IBM Device Driver for Advanced Power Management Vendor: IBM Revision: 10.156 File Version: 10.156 Description: IBM Device Driver for Advanced Power Management I am not using OS2APIC on the T43 (no need; only one core, and AFAIK, this Centrino doesn't hyperthread - and I do not believe that OS2APIC /APIC recognizes hyperthreading, anyway). -- Lewis ------------------------------------------------------------- Lewis G Rosenthal, CNA, CLP, CLE Rosenthal & Rosenthal, LLC www.2rosenthals.com Need a managed Wi-Fi hotspot? www.hautspot.com Secure, stable, operating system www.ecomstation.com -------------------------------------------------------------