[OT] MacBook Pro firmware update failing to take more RAM

Riccardo Mottola riccardo.mottola at libero.it
Thu Apr 17 23:26:03 UTC 2025


Hi Horst!

Horst B Simon wrote:
> Hi,
>
> I am too have MacBook Pro 7,1 with the same firmware version, but I could upgrade to 16GB RAM bought from OWC.

We have exactly the same computer, including CPU speed.

Do you get ROM EFI updates and/or can install them?

16GB, wow! I tried... but got the issue.

Just today I was able to update to 8GB of ram, which, for a dual-core, 
is decent already.

The issue is speed. My older 15" MacBook Pro 2008 will take faster 
modules and run them at the correct speed, so I was able to put in 8GB 
of RAM (its maximum). This system is newer.. so it detects faster RAM, 
but can't cope with it. I tried mixing modules, e.g. 2GB slow + 4GB fast 
and got 6GB "slow", which is expected. but 2x4 or 2x8 fast modules fail. 
I was get some used 4GB modules ad 1067MHz and I am in business.
Quite convenient... I hope it will make this nice little MBP faster. I 
always felt it slugghish. Even compared to about the same CPU and GPU of 
the older 15", it is slower. I don't know if it was the RAM or the much 
newer OS (10.13 vs. 10.9). I'm curious.

But for compiling MacPorts and ArcticFox as well as browsing, more RAM 
is a fresh breath today!!!

On the other side I also have a MacBook Air which has non-upgradable 4GB 
of RAM and doesn't feel "so bad" compared to this.... so I do wonder. 
I'll see if doubling the RAM improves things or not in terms of speed.
For sure it does in "load taking". I am typing this email with SeaMonkey 
while compiling ArcticFox browser... and memory pressure is not yet at 
limit.

Riccado


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