[SOLVED] Upgrading from Intel Core i3 370M to Intel Core i7 640M

[ansoriok]

Dear all Master,

My laptop is Toshiba Satellite L645 using Processor Intel(R) Core(TM) i3 CPU M370 @ 2.40GHz. I want to upgrade this processor to Intel Core i7 640M. The comparation between two processors are described in this link.

Can I upgrading my processor. I also need your advice about my laptop BIOS compatibility with Core i7 640M processor. Thanks for your attention and help.

I also have nice advice from this link

Here are some information of my laptop that I get from Speccy programs:

CPU

Intel Core i3 370M
Cores 2
Threads 4
Name Intel Core i3 370M
Code Name Arrandale
Package Socket 989 rPGA
Technology 32nm
Specification Intel Core i3 CPU M 370 @ 2.40GHz
Family 6
Extended Family 6
Model 5
Extended Model 25
Stepping 5
Revision K0
Instructions MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, NX, VMX
Virtualization Supported, Enabled
Hyperthreading Supported, Enabled
Bus Speed 133.0 MHz
Rated Bus Speed 2394.3 MHz
Stock Core Speed 2400 MHz
Stock Bus Speed 133 MHz
Average Temperature 52 °C
Caches
L1 Data Cache Size 2 x 32 KBytes
L1 Instructions Cache Size 2 x 32 KBytes
L2 Unified Cache Size 2 x 256 KBytes
L3 Unified Cache Size 3072 KBytes

MOTHERBOARD

Manufacturer Intel Corp.
Model Base Board Product Name (CPU)
Version Base Board Version
Chipset Vendor Intel
Chipset Model Havendale/Clarkdale Host Bridge
Chipset Revision 02
Southbridge Vendor Intel
Southbridge Model HM55
Southbridge Revision 05

BIOS
Brand INSYDE
Version 2.70
Date 03/07/2012

PCI Data
Slot PCI-E x16
Slot Type PCI-E x16
Slot Usage Available
Data lanes x16
Slot Designation J5C1
Characteristics PME, Hot Plug
Slot Number 0
Slot PCI-E x1
Slot Type PCI-E x1
Slot Usage Available
Data lanes x1
Slot Designation J6C1
Characteristics PME, Hot Plug
Slot Number 1
Slot PCI-E x1
Slot Type PCI-E x1
Slot Usage Available
Data lanes x1
Slot Designation J6C2
Characteristics PME, Hot Plug
Slot Number 2
Slot PCI-E x1
Slot Type PCI-E x1
Slot Usage Available
Data lanes x1
Slot Designation J6D2
Characteristics PME, Hot Plug
Slot Number 3
Slot PCI-E x1
Slot Type PCI-E x1
Slot Usage Available
Data lanes x1
Slot Designation J7C1
Characteristics PME, Hot Plug
Slot Number 4
Slot PCI-E x1
Slot Type PCI-E x1
Slot Usage Available
Data lanes x1
Slot Designation J7D2
Characteristics PME, Hot Plug
Slot Number 5
Slot PCI-E x16
Slot Type PCI-E x16
Slot Usage Available
Data lanes x16
Slot Designation J8C2
Characteristics PME, Hot Plug
Slot Number 6
Slot PCI-E x1
Slot Type PCI-E x1
Slot Usage Available
Data lanes x1
Slot Designation J8C1
Characteristics PME, Hot Plug
Slot Number 7

RAM

Memory slots
Total memory slots 2
Used memory slots 2
Free memory slots 0

Memory
Type DDR3
Size 8192 MBytes
Channels # Dual
DRAM Frequency 532.1 MHz
CAS# Latency (CL) 7 clocks
RAS# to CAS# Delay (tRCD) 7 clocks
RAS# Precharge (tRP) 7 clocks
Cycle Time (tRAS) 20 clocks
Command Rate (CR) 1T

Physical Memory
Memory Usage 49 %
Total Physical 7.80 GB
Available Physical 3.95 GB
Total Virtual 10 GB
Available Virtual 5.03 GB

SPD
Number Of SPD Modules 2
Slot #1
Slot #2

GRAPHICS

Monitor
Name Generic PnP Monitor on Intel HD Graphics
Current Resolution 1366x768 pixels
Work Resolution 1366x728 pixels
State Enabled, Primary
Monitor Width 1366
Monitor Height 768
Monitor BPP 32 bits per pixel
Monitor Frequency 60 Hz
Device \\.\DISPLAY1\Monitor0

Intel HD Graphics
Manufacturer Intel
Model HD Graphics
Device ID 8086-0046
Revision 3
Subvendor Toshiba (1179)
Current Performance Level Level 0
Driver version 8.15.10.2900
Count of performance levels : 1
Level 1 - "Perf Level 0"

 

[Dunlop0078]

I cant seem to find what CPU socket that motherboard uses. If it's PGA the CPU can be removed, if it's BGA its soldered to the board. Toshiba has BIOS updates found in the link below but I cant find any CPU support list.

https://support.toshiba.com/support/modelHome?freeText=2860979&osId=34