Old IBM PC refuse a different processor

[losdavidos50]

Hello, so the main issue there is that my mom use really old IBM PC and I have few parts lying around so I wanted to upgrade it.... Until the PC refuse to use Working Intel core 2 E6750.
The PC now use some Pentium D.
Both processors were tested on different motherboard and they work with no issue at all.
I have been trying to reset the BIOS or use different PSU because the one inside is 213W.
Model of the PC:
Machine type: 8215
Model: CTO
S/N: LMGMG3V
MFG date: 608
Product ID: 8215Z68

I dont know which of these datas is relevant to this topic so I put it all here..

 

[losdavidos50]

Also the MB in the IBM PC is 20pin, might that be the issue?

 

[Obakasama]

The CPUs you mention use completely different sockets. Basically the Core 2 E6750 is incompatible with that PC.

For reference:
https://support.lenovo.com/gb/en/solutions/pd000810 (Not entirely sure this is the correct model.)
https://ark.intel.com/products/27447/Intel-Pentium-4-Processor-2_80-GHz-512K-Cache-533-MHz-FSB
https://ark.intel.com/products/30784/Intel-Core2-Duo-Processor-E6750-4M-Cache-2_66-GHz-1333-MHz-FSB

 

[mdd1963]

Anything compatible with a Pentium D is 13 years old , minimum....

get anything else as an upgrade...2200G combo, newest i3-8100, etc....(should seem lightning fast in comparison)

 

[losdavidos50]

The Core 2 Duo has the same socket as the Pentium D does, you sent me Pentium 4 stats

 

[k1114]

It is the right pc model but you got the wrong cpu and socket. He has a pentium D now and that only comes in 775. 775 is a complicated socket since it spanned so many gens and chipsets. Not all 775 cpus are compatible with all 775 chipsets. It appears to have a 945g chipset which doesn't support 1333 fsb cpus.

 

[Obakasama]

Thanks for the various corrections. Didn't realise Intel straddle sockets like that in the past (was aware of the AM2/3+ variations).

Would also just ponder whether IBM would have locked the BIOS like some companies do.

 

[losdavidos50]

There is a pin to clear the CMOS and I got the battery out and back in so I did make sure that the CMOS was reseted.

 

[losdavidos50]

So might be it that the MB itself doesnt want to accept new CPU?

 

[losdavidos50]

Okay I just found old Computer with Pentium 4 in it, I swapped it with the Core 2 but this time the computer immediately shut off when powered on....
Computer: Fujitsu computer ( SCENIC E620 (i915G) )

 

[k1114]

Another chipset, 915g, that doesn't support 1333 fsb cpus.