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madvinegar

Using 2 ram sticks of different frequency

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Hello guys. I would like your kind advise on the following.

I have successfully completed another hackintosh built. I used an HP 4300 pro with an Nvidia 1050ti and installed High Sierra (so as to have full acceleration with Nvidia drivers).


My problem is the following. The prebuilt HP came with a 4gb DDR3 ram clocked at 1600mhz.

I have another 4gb DDR3 ram stick, but is clocked at 1333Mhz.


Whilst both ram sticks work without any problem with Win10 (I am dual-booting), I cannot boot into High Sierra if I use both of them.

The only way to boot into High Sierra is to use only one of them (either the 1333mhz stick or the 1600mhz stick at any slot).

So there is no problem with any of the ram slots, and no problem with the sticks (since both are recognized and working in win10).


Is this a problem with Macos and Hackintosh? Do I need to use ram sticks of same frequency?



P.S.: Also do I need to use same GB ram sticks? (i.e. 4+4), or can I also use 4+8?


Thanx in advance!

Ryzen 5 2600, AMD RX5700XT 8GB, 16GB DDR4 2666ghz ram, 240gb SSD - MACOS 10.15 CATALINA

i5 3470, NVIDIA GTX 740 2GB, 8GB DDR3 1600ghz ram, 120gb SSD - MACOS 11 BIG SUR

 

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[ref]madvinegar[/ref], i have it in my hacks and don't have any problem. u have a dsdt edited? if yes try without edited dsdt

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Thank you for your reply.

What do you mean "you have it in your hacks?" You have what? 2 ram sticks of different frequency or 2 ram sticks of different size?


I have not edited the dsdt.

Ryzen 5 2600, AMD RX5700XT 8GB, 16GB DDR4 2666ghz ram, 240gb SSD - MACOS 10.15 CATALINA

i5 3470, NVIDIA GTX 740 2GB, 8GB DDR3 1600ghz ram, 120gb SSD - MACOS 11 BIG SUR

 

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[ref]madvinegar[/ref], two diff size and frquency :lol:

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So, just as an update about this matter, I did get a new 1600mhz ram stick (of different brand) and it was still not working. I could not boot.

I searched through forums etc. and I have found that when you get this problem, you should enter the details of the memory sticks inside the smbios in config.plist. So I booted using only one ram stick, mounted the efi partition, completed all the details of the ram sticks inside the SMBIOS category, saved and shut down. I installed the 2nd ram stick, booted and voila! The system booted with 8gb of ram.

Ryzen 5 2600, AMD RX5700XT 8GB, 16GB DDR4 2666ghz ram, 240gb SSD - MACOS 10.15 CATALINA

i5 3470, NVIDIA GTX 740 2GB, 8GB DDR3 1600ghz ram, 120gb SSD - MACOS 11 BIG SUR

 

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[ref]madvinegar[/ref], the last clover have this fix

take one shot

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