Interchangeable motherboard and processor

Hi guys

my toshiba tecra r840 s8450 motherboard crashed and needs a replacement, sadly no more warranty so im looking for a replacement do you think i can replace the motherboard with a toshiba tecra r840-14R model as someones wants to sell it to me but i need some advice first before buying it. Any implications gonna occur? And i also have a 2960xm i7 processor thinking of putting it in the 14r motherboard....does anyone know if its compatilbe since it supports qm67 chip set

Many Thanks

 

Tecra r840s8450

Performance
PROCESSOR*
Intel® Core™ i7-2620M processor
OPERATING SYSTEM*
Genuine Windows 7 Professional (64-bit)
Genuine Windows 7 Professional (32-bit)
GRAPHICS ENGINE*
AMD Radeon™ HD 6450M
GRAPHICS MEMORY*
1GB GDDR3 discrete graphics memory
Memory and Storage
MEMORY*
4GB DDR3 1333MHz memory
HARD DRIVE*
320GB HDD (7200rpm, Serial ATA)
OPTICAL DRIVE*
DVD-SuperMulti drive (+/-R double layer)

Tecra r840 14r

Detailed Item
Product identifiers
Brand Toshiba
Model Tecra R840-14R
MPN PT42GE-02N00XGR
EAN 4026203921856

Power
Battery life Up to 9 hours
Battery Type Lithium-ion

Processor
Processor Intel Core i5 2520M (2.5 GHz)
Memory Cache 3072 KB

Memory
Installed memory 4 GB
RAM Max Supported Size 8 GB

motherboard
Bus Speed 1333 MHz
Chipset Intel QM67 Express

HDD
Hard Drive Capacity 320 GB 7200 RPM
Storage Controller Serial ATA

Drive
CD / DVD type DVD SuperMulti DL
Read speed of the optical drive 24x (CD), 8x (DVD)
ReWrite speed of the optical drive 16x (DVD-RW), 5x (DVD-RAM), 6x (DVD-RW), 8x (DVD-RW)

Display
Screen Size 14 inches
Video card Intel GMA HD 3000
Maximum video resolution 1600 x 1200

Connections
Audio Outputs Headphones, speakers, line-out, sound card
Connections 1 x USB 3.0, 1 x eSATA / USB (combination unit), 2 x USB 2.0, RJ-45 (network), VGA output

Networks
Network Type Bluetooth, Integrated 10/100/1000-Netzwerkkarte, Integrated Wireless LAN
Data link protocol Bluetooth, Ethernet, Fast Ethernet, Gigabit Ethernet, Hi-Speed ​​USB, IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n

Dimensions
Height 2.69 cm (1.06 inches)
Width 34.11 cm (13.43 inches)

Functions
Input Method Keyboard, touchpad

Miscellaneous
Platform PC

So only difference really is the cpu which i can swap even with the 2620M and the discrete gpu which i dont really need i can live with hd3000, im just worried about the motherboard model number as according to
Toshiba Tecra R840 Laptop Motherboards and System Boards for Notebook Computers
there are so many freaking different motherboard models

Thanks once again
Happy Holidays

 

It should work. I couldn't find any definite proof, but I believe the r840 only has one design and shape [compatible motherboards should fit]; the only major difference I can think of is that some Tecras have a dedicated graphics card [AMD] or integrated graphics [Intel]. However, there are no guarantees that it will work


As for the Xtreme Sandy Bridge CPU, it may work, but I do not think the Tecra would be able to handle the power of the i7-2960xm. The 2960xm is a quad-core, high-power CPU [ 55W TDP]; the Tecras were only designed for dual-core, mid-powered CPUs [ 35W TDP]; thus the fan is designed to only handle dual-core CPUs.
TDP is defined as:

Thermal design power - Wikipedia, the free encyclopedia

Do not get the various i7's confused; the i7 in the Tecra 14R is a dual-core:
i7-2620m: ARK | Intel® Core - i7-2620m
i7-2960xm: ARK | Intel® Core - i7-2960xm


Good luck

 

Also, check around for the current market value of your laptop too before you go purchasing mobos. Sometimes the mobos cost more than what you can purchase for your laptop used.