Advice on SODIMM Rams Needed.

[Sirbrian]

Just bought a laptop. The OEM gave 3Gb of DDR2 667MHz SODIMM RAM.

 

I just read that to fully utilize the DDR2 effect I must have identical pair. So then, I just realise that kenna bluff by this OEM again.

 

So yesterday open the ram cover, remove the 1Gb and slot in a new 2Gb RAM that I bought from Sim Lim. Then I realise that the brands are different though they are same 667MHz.

 

Can I ask for advice if it is necessary to have both rams of from the same brand?

[Thug]

I dun think so it will make any diff...i used a kingston and another brand (I think its maxton?) in my pc b4..and it has no problem operating...

[Typhoonz]

I think just as long as the same speed okie then it's regardless of brand...

 

If you have 2 pieces of ram with different speeds i.e. 667MHz and 800MHz, then they'll be operating at the lower speed (667MHz)...

[Gh05tss]

To be truly dual channel, same brand, same batch.

You need to find out if your lappy support Dual Channel. Use http://www.cpuid.com/cpuz.php to find out more of your rams n lappy.

[Slowmo]

wah who your oem.

buylaptop, worst case scenerio i rather get dell... they do advise you of technical limitations like this.

 

and btw,, certain chipsets already support asymmetrical DDR2 configurations. its only the older chipsets that you need 2 of the same ram capacity

Edited March 17, 2008 by Slowmo

[Sirbrian]

actually i'm refering to my new dell inspirion 1420

 

In fact the rams they install is also of different brands too.

[Slowmo]

most newer dell chipsets already support asy DDR2 configurations.

 

go check out what chipset model is ur intel, then refer to intel.com.

 

or just open a support ticket with dell.

 

 

the 'same ddr2 ram' thing is only applicable to older intel chipsets.

 

 

thats as much as i know. i don't work for dell though i just have a vostro laptop.

Edited March 17, 2008 by Slowmo

[Sirbrian]

it is written in my laptop manual that I do need a pair of same ram size to utilize the DDR2 effect.

[Kingkong]

Differing brands are ok, most of the time.

 

But what Bro Gh05tss mentioned is valid, if you're refering to Dual-Channel ability, provided your notebook supports that.

 

If the notebook doesn't support dual-channel, or there's no intention to utilise the dual-channel function, then it doesn't matter whether brand A mix with brand B, or 1GB mix with 2GB.

 

Extracted from Dell site for 1420

==> Up to 4GB2 shared3 Dual Channel 667MHz DDR2 SDRAM provides blazing performance.

Edited March 17, 2008 by Kingkong

[Sirbrian]

so mine does provide dual channel yah? thanks...sorry me pretty lousey on pc term and tech.