Possible CPU upgrade for old Thinkpad laptop?

[zaccaz]

hi there, i got old thinkpad t43 & t60, each got different problems

wondering can i install the core duo t2300 cpu from t60 into t43(original with pentium m 740) to make it a working?

fyi, checked the pin/socket is the same, just i couldn't search from web any info regarding the motherboard ot t43 supporting which range of cpu

any idea? many thx!

 

[xwb]

Are the CPUs on carriers or are they flow soldered?

 

[rclarke250]

They are both socket 479, but the t43 has cpu fsb of either 400 or 533 mhz. It runs a 915gm intel chipset which only supports up to 533 Mhz. The t2300 runs on 667 Mhz. So that is a no go. As a note, it's rare for a cpu to go bad. The t43 supports M730,M740,M750,M760,M770. Per the HMM from IBM and Lenovo.