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[gentoo-user] how accurate is 'lshw' (was memory upgrade) ?

Philip Webb

2008-04-03

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080401 Dale wrote:
> W.Kenworthy wrote:
>> *-bank:1
>>     description: DIMM DDR Synchronous 400 MHz (2.5 ns)
>>     product: PartNum1
>>     vendor: Manufacturer1
>>     physical id: 1
>>     serial: SerNum1
>>     slot: DIMM1
>>     size: 1GB
>>     width: 64 bits
>>     clock: 400MHz (2.5ns)
> That is not what mine shows tho. Nothing about speed there.
>   *-bank:0
>       description: DIMM
>       physical id: 0
>       slot: A0
>       size: 512MB

When I run 'lshw', the memory lines come out as :

*-bank:0
        description: DIMM Synchronous 1872 MHz (0.5 ns)
        product: PartNum0
        vendor: Manufacturer0
        physical id: 0
        serial: SerNum0
        slot: DIMM0
        size: 512MiB
        width: 64 bits
        clock: 1872MHz (0.5ns)
   
This looks like WK's output rather than Dale's more limited version.

It also doesn't match the spec of the memory when I bought it,
which I recorded in my own files as :

071009 Memory : Kingston 2 x 512 kit DDR2 1150 PC2 9200    : 124.99

The specs are at (they seem to have dropped the 512 MB version)

http://www.valueram.com/datasheets/KHX9200D2_1G.pdf

which seems to confirm my own record.

The speed was supposedly 1150 MHz , but 'lshw' gives 1872 MHz .
Of course, I'm not complaining if it's faster than advertised (smile),
but does anyone have any comments re the 2 differences in output ?

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