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>
next in thread | previous in thread | raw e-mail | index | archive | help
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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7087D6A3-7FEE-481B-921F-0C9B04865DA5>