Update:

Data for S130-14IGM "not sure if links are allowed"
[url]https://psref.lenovo.com/syspool/Sys/PDF/IdeaPad/ideapad_S130_14IGM/ideapad_S130_14IGM_Spec.PDF[/url]

Though not sure why they state 4GB Max when the CPU and RAM Package can support 8GB? Is there limitations with this or just cost saving given it's an entry level device? Unless it's using single channel with a max of 4GB?

FCBGA1090 25mmx24mm

Celeron
N4000 - Gemini - Current CPU
TDP 6W / SDP 4.8W
CPU 2@1.10 Base 2T

J4125 - Gemini Refresh...

Bit curious if it's possible to use Pentium J5040 and upgrade the ram to 8GB on this model, got the equipment to work with SMT and BGA components though not sure if there will be limitation with bios or a whitelist / pairing that'll prevent it from working?

I've seen other variants with the same board using N4100 & N5000 though still had 4GB of ram, also my eMMC is on its way out so I'm also wondering if any eMMC replacement that'll fit would work? Though might be better off seeing if its possible to get the unpopulated m.2 functioning as I'm sure that can be made to work as its...

Don't really wanna post this but says I've gotta type something, guess I love to learn new things and I'm always stuck on something, thus why I often spend the free time seeking for a push in the right direction 😅

Suppose the approach is often flawed but generally get there in the end.