ECC capability and ACPI warnings
Chuck Swiger
cswiger at mac.com
Fri Oct 12 12:10:06 PDT 2007
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
More information about the freebsd-questions
mailing list