Date: Fri, 12 Oct 2007 12:09:49 -0700 From: Chuck Swiger <cswiger@mac.com> To: CyberLeo Kitsana <cyberleo@cyberleo.net> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: ECC capability and ACPI warnings Message-ID: <7087D6A3-7FEE-481B-921F-0C9B04865DA5@mac.com> In-Reply-To: <470F2841.7090205@cyberleo.net> References: <470F2841.7090205@cyberleo.net>
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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
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