Upgrade of RAM and SSD

I have two questions about my dv7-6b77dx.

(1) upgrade of RAM:

I want to upgrade my memory to 4 4 + 2 + 4. What I need to get the same exact 4 GB of RAM (CPU - said Z it's Samsung M471B5273DH0-CH9) or can I get the 4 GB of RAM? I ask this because I do not know if both modules must be the same for memory dual channel. Also, the new Samsung models 30nm with less power consumption while my 4 GB is 40nm. Would it be a problem if I am connected a 30nm and 40 nm?

(2) SSD:

I want to make sure that AHCI is enabled for the new SSD. I googled and it says it should be configurable in BIOS but my BIOS isn't that kind of environment. My Core I7 2670QM processor and I couldn't have something on the chipset CPU - Z other than "Intel." How can I activate the AHCI or check if it is enabled?

Thank you very much!

burqq wrote:

I have two questions about my dv7-6b77dx.

(1) upgrade of RAM:

I want to upgrade my memory to 4 4 + 2 + 4. What I need to get the same exact 4 GB of RAM (CPU - said Z it's Samsung M471B5273DH0-CH9) or can I get the 4 GB of RAM? I ask this because I do not know if both modules must be the same for memory dual channel. Also, the new Samsung models 30nm with less power consumption while my 4 GB is 40nm. Would it be a problem if I am connected a 30nm and 40 nm?

If you want to upgrade memory for the first time, it is installed to work always buy and install a pair of identical modules. Do not mix and match manufacturers or of the different capacity modules or configurations.

(2) SSD:

I want to make sure that AHCI is enabled for the new SSD. I googled and it says it should be configurable in BIOS but my BIOS isn't that kind of environment. My Core I7 2670QM processor and I couldn't have something on the chipset CPU - Z other than "Intel." How can I activate the AHCI or check if it is enabled?

The installed chipset is Intel HM65 Express chipset. Your laptop supports SSDS. Normally, you can verify that ACHI is used by checking the configuration of the BIOS. It's unfortunate, but a BIOS HP does not gve you the ability to configure SATA IDE (emulation) or AHCI.  You can use a free utility called PCWizard 2010 to determine what disk controller is installed and the operating mode in. Comes from the following image in Windows 7 and the PC is a desktop computer with an ASUS Crosshair IV Formula motherboard

Thank you very much!

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