Possible to upgrade into Pentium M?

kit55

Junior Member
Dec 9, 2009
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Hi I was thinking to upgrade my old Asus laptop into Pentium M. Here are the details of the motherboard.
Laptop Model – Asus A6R
Motherboard brand– Asustek Inc.
Motherboard Model – A6R
Motherboard Chipset – RS400/RC400/RC410
Package – Socket 479 mPGA
Southbridge – SB400
Bios version – 213

May I know which of the following mentioned below are the possible fastest upgrade option based on my laptop specs before I will buy the CPU at ebay???

My Asus laptop Specs as follows:
http://www.cpu-world.com/CPUs/Pentium_M/TYPE-Pentium M Banias.htmlIntel Celeron M (Dothan)

Frequency - 1.6 GHz
FSB – 400MHz

L2 Cache size - 1 MB
Socket 479 mPGA

Upgrade option 1
Intel Pentium M (Banias)

Frequency - 1.8 GHz
FSB – 400MHz

L2 Cache size - 1 MB
Note – FSB and Cache size are the same values as my laptop.
The frequency though is 1.8 GHz only.

Upgrade option 2
Intel Pentium M 765 (dothan)

Frequency – 2.1 GHz
FSB – 400MHz

L2 Cache size - 2 MB
Comment – My Asus laptop cache size is 1MB only.
I don’t know if this 2MB cache size could run swiftly.

Upgrade option 3
Intel Pentium M 780 (Dothan)

Frequency – 2.26 GHz
FSB – 533MHz

L2 Cache size - 2 MB
Comment –My Asus laptop FSB & Cache size are 400MHz &
and 1MB respectively. I don’t know if these 533 MHz frequency & 2MB size could run swiftly.

If there’s other upgrade options besides the above mentioned you may suggest pls let us know. Thanks in advance for your help. Cheers!
 

unfalliblekrutch

Golden Member
May 2, 2005
1,418
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It could be that the motherboard wont support 533fsb, but I cant find any solid information one way or the other on it by a quick google. If you want to play it safe, go with a 400mhz fsb P-M.