SDRAM or DDRAM in linux

[Sturla Holm Hansen]

On Mon, August 28, 2006 18:40, Niklaus wrote:
> Hi,
>
>  I have access to a remote linux machine. I have a root account on it.
>  I need to know whether the installed RAM is SDRAM or DDRAM.
> Unfortunately i will be going to the site next month when i have to
> upgrade the machine with  more capacity. Few of them are hardware
> related but if you know the answer please help me.
>
> 1) How do i find out when the machine is online , if it is SDRAM or
> DDRAM. I tried dmidecode utility but i was not sure about the type.
> Can someone help me out by pasting the output for both DDR and SDRAM
> in dmidecode or similar.
>
Can't help you with this one, sorry....
> 2) Can both SDRAM and DDRAM be present at a time in the same
> motherboard. I mean can i have 256MB of SDRAM chip and a 256 MB of
> DDRAM on the same motherboard.
>
> If yes what are the conditions.
>
Most motherboards are designed for one type of RAM, those few who can use
both can, as far as I have seen, just use one type at a time.
>
> 3) Is a motherboard designed for only one type of RAM , like if we
> remove all the SDRAMs can we put DDR in it or it is either designed
> for DDR or SDRAM.
>
As I said, most motherboards have just one type of RAM-slot...
> Regards
> Nik
>
Sturla