Can the PDT of a mainboard be inspected?
Can the PDT of a mainboard be inspected?
Hi !
My first message here, so please accept if it seems simple...
I have an old Lenovo Thinkpad Edge E540 laptop with a 37w Intel i7-4712MQ processor. The motherboard supports Haswell and has a G3 socket. I’m looking to install a used but functional Intel i7 4910MQ CPU, which is rated at 47w. Before making any changes, I want to know: will it fit in the motherboard and won’t it cause excessive heat? Or could this higher power draw overload the laptop’s power system and the fan?
Thank you very much for your advice!
Have a great day!
Welcome to the forums, newcomer!
Please refer to the processors mentioned in this spec sheet; https://psref.lenovo.com/syspool/Sys/PDF...0_Spec.PDF. This is important because motherboards from laptops of that time had a white list, so you couldn't just insert anything into the socket.
The thread has been moved from the Motherboards section to the CPUs section.
Another option would be to enhance your laptop by swapping the ODD for a 9.5mm secondary drive caddy, combining it with a 2.5" SATAIII SSD, or swapping the HDD for a 2.5" SATAIII SSD and upgrading the RAM with a 2x8GB DDR3L-1600MHz dual channel kit.
I share the view with @Lutfij regarding swapping an outdated spinning hard disk for a quicker SATA SSD. This change significantly impacts Windows startup times. It’s recommended if your E540 has a traditional 500GB HDD. The best choice seems to be a SATA SSD equipped with DRAM cache, such as the Samsung 870 500GB model.
https://www.amazon.com/SAMSUNG-500GB-Int...B08QBMD6P4
I’ve tried more affordable SATA SSDs lacking DRAM cache before using them as Windows boot drives, but they tend to be slower for frequent read/write operations in a Windows OS.
I recently tested a friend’s slow 3-year-old Windows 11 laptop that only had 4GB RAM. As @Lutfij mentioned, 16GB RAM would boost performance. Even 8GB would help if you have only 4GB and are running Windows 10 or 11.
Hi! Your socket and chipset should technically support the i7-4910MQ, but keep in mind it has a 47W TDP compared to your current 37W. That extra 10W could make the laptop run hotter and possibly trigger thermal throttling. Make sure your cooling system is clean, apply fresh thermal paste, and check for a BIOS update that supports the new CPU. If temps are monitored carefully, it should work, but there's a small risk to the VRMs if under heavy load.
Hi, here I am again. My friend says that he offers me the processor, as he has many and won't sell them. So my initial question stands.
If there is no CPU whitelist, will I risk frying my motherboard or overheating the CPU ?
Edit : I did not see the above responses before writing this. As per the SSD, the laptop is fitted with an M.2 NGFF sata 2To drive, and 16GB of RAM, having gathered some RAM when friends replaced their laptops....