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Re: [dmidecode] dmidecode does not show DDR SDRAM size, speed..
From: |
Jean Delvare |
Subject: |
Re: [dmidecode] dmidecode does not show DDR SDRAM size, speed.. |
Date: |
Tue, 19 Apr 2016 15:29:28 +0200 |
Hi Shen,
On lun., 2016-04-18 at 14:43 +0000, shen long wrote:
> I have another ddr sdram module and I think it did not show the size.
I can only comment on actual DMI data, not things you think you've
seen ;-)
> No -t 17 records, I guess this thing is too old..
>
> Output of # dmidecode -t 6 -u
>
> # dmidecode 3.0
> Scanning /dev/mem for entry point.
> SMBIOS 2.3 present.
>
> Handle 0x0008, DMI type 6, 12 bytes
> Header and Data:
> 06 0C 08 00 01 10 00 00 05 08 08 00
> Strings:
> 44 49 4D 4D 31 00
> "DIMM1"
>
> Handle 0x0009, DMI type 6, 12 bytes
> Header and Data:
> 06 0C 09 00 01 32 00 00 05 08 08 00
> Strings:
> 44 49 4D 4D 32 00
> "DIMM2"
>
> Handle 0x000A, DMI type 6, 12 bytes
> Header and Data:
> 06 0C 0A 00 01 54 00 02 00 7F 7F 00
> Strings:
> 44 49 4D 4D 33 00
> "DIMM3"
>
> Handle 0x000B, DMI type 6, 12 bytes
> Header and Data:
> 06 0C 0B 00 01 76 00 02 00 7F 7F 00
> Strings:
> 44 49 4D 4D 34 00
> "DIMM4"
For all 4 slots the speed byte is 0x00, which translates to "unknown"
according to the spec. So, BIOS did not fill it out, nothing dmidecode
can do, sorry.
--
Jean Delvare
SUSE L3 Support