From owner-freebsd-questions@FreeBSD.ORG Fri Oct 12 19:10:06 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A772E16A41A for ; Fri, 12 Oct 2007 19:10:06 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from mail-out3.apple.com (mail-out3.apple.com [17.254.13.22]) by mx1.freebsd.org (Postfix) with ESMTP id 97ACA13C480 for ; Fri, 12 Oct 2007 19:10:06 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from relay11.apple.com (relay11.apple.com [17.128.113.48]) by mail-out3.apple.com (Postfix) with ESMTP id A9B0E14FCEA1; Fri, 12 Oct 2007 12:09:51 -0700 (PDT) Received: from relay11.apple.com (unknown [127.0.0.1]) by relay11.apple.com (Symantec Mail Security) with ESMTP id 9098F28084; Fri, 12 Oct 2007 12:09:51 -0700 (PDT) X-AuditID: 11807130-a53c5bb000004daf-10-470fc67e9593 Received: from [17.214.13.96] (cswiger1.apple.com [17.214.13.96]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by relay11.apple.com (Apple SCV relay) with ESMTP id 70B472804E; Fri, 12 Oct 2007 12:09:50 -0700 (PDT) In-Reply-To: <470F2841.7090205@cyberleo.net> References: <470F2841.7090205@cyberleo.net> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <7087D6A3-7FEE-481B-921F-0C9B04865DA5@mac.com> Content-Transfer-Encoding: 7bit From: Chuck Swiger Date: Fri, 12 Oct 2007 12:09:49 -0700 To: CyberLeo Kitsana X-Mailer: Apple Mail (2.752.2) X-Brightmail-Tracker: AAAAAA== Cc: FreeBSD Questions Subject: Re: ECC capability and ACPI warnings X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Oct 2007 19:10:06 -0000 On Oct 12, 2007, at 12:54 AM, CyberLeo Kitsana wrote: > Is there any way, by poking through dmesg or sysctls, to determine > if a > machine has, or is capable of using, ECC RAM? Well, the sysutils/dmidecode port can be used to answer that question: pi# dmidecode -t memory # dmidecode 2.8 SMBIOS 2.3 present. Handle 0x1000, DMI type 16, 15 bytes Physical Memory Array Location: System Board Or Motherboard Use: System Memory Error Correction Type: Single-bit ECC Maximum Capacity: 4 GB Error Information Handle: No Error Number Of Devices: 4 Handle 0x1100, DMI type 17, 23 bytes Memory Device Array Handle: 0x1000 Error Information Handle: No Error Total Width: 72 bits Data Width: 64 bits Size: 128 MB Form Factor: DIMM Set: 1 Locator: DIMM_A Bank Locator: BANK_1 Type: SDRAM Type Detail: Synchronous Speed: 133 MHz (7.5 ns) [ ... ] > Also, is there an easy way to silence the following warnings in dmesg? > They all appear to be about the serial and parallel ports, which, > as far > as I know, the machine does have. They may not be enabled in the BIOS, > however. I think those messages only appear if you do a verbose boot...? -- -Chuck