Presario 2500 CPU upgrade

cr0bar · 06-21-2008, 05:03 AM

I am in possession of a used Compaq Presario 2500 with a P4 2.8GHz processor which is 478-pin. I'm looking to get a P4-M CPU but I hereby admit to not knowing an awful lot relating to such subjects. Would a P4-M processor generate less heat, use less power and give higher performance?

I will be purchasing a new laptop in some months and I am looking to upgrade this some as a placeholder in the meantime.

I am not too interested in a P4 processor of the same type of a higher clockspeed as these three fans have enough with which to deal with the existing CPU's heat output.

**TriggerFinger** · 06-21-2008, 01:08 PM

hmm, pretty interesting on what you want to do. although i have not tried it yet, i doubt if it would work. some things to consider that i think is important... the number of pins, the socket type and of course if the motherboard supports it (as i said i have not tried it and this is just my two cents).

cr0bar · 06-21-2008, 01:44 PM

I will need to check what the motherboard will support first of all. The P4 and P4-M chips are both 478-pin so physical size wouldn't be a problem.

Besides, if it doesn't work they're only going for about $15-20. I can always resell it on ebay.

Speeder.dk · 06-23-2008, 02:17 AM

Funny you mention it... Was just about to post the same topic :) ... Dunno, if you have dissassembled your Presario 2500, but on the socket it reads something like "uFCPGA"... And looking into the service manual reveals that you can buy this model with a Celeron and a Pentium4-M cpu... So I believe it is possible ...

Anyways, I'm about to buy a PentiumM Banias (the first pentiumM at 1.5ghz) and will try that out in my Presario :) ...

ps. does your fans also run almost at anytime?

/Speeder

Skipper05 · 06-23-2008, 05:03 PM

Don't even bother trying it, buddy. I tried it before and it doesn't work, P4-M's which work in the 2100 presario laptops aren't recognized by 2500 presario's. You can use mobile Pentium 4's, which isn't the same as a pentium 4 mobile.

06-21-2008, 05:03 AM	#1 (permalink)
cr0bar Registered User Join Date: May 2008 Posts: 4 OS: XP SP3	Presario 2500 CPU upgrade I am in possession of a used Compaq Presario 2500 with a P4 2.8GHz processor which is 478-pin. I'm looking to get a P4-M CPU but I hereby admit to not knowing an awful lot relating to such subjects. Would a P4-M processor generate less heat, use less power and give higher performance? I will be purchasing a new laptop in some months and I am looking to upgrade this some as a placeholder in the meantime. I am not too interested in a P4 processor of the same type of a higher clockspeed as these three fans have enough with which to deal with the existing CPU's heat output.

06-21-2008, 01:08 PM	#2 (permalink)
TriggerFinger Moderator Hardware Team Join Date: Jan 2008 Location: LV, NV, USA Posts: 5,326 OS: DOS 6.0	Re: Presario 2500 CPU upgrade hmm, pretty interesting on what you want to do. although i have not tried it yet, i doubt if it would work. some things to consider that i think is important... the number of pins, the socket type and of course if the motherboard supports it (as i said i have not tried it and this is just my two cents). __________________ DBAN - Memtest86+ - BartPE - Linux LiveCD - ImgBurn - HDD Diags - Everest Mark the THREAD as SOLVED

06-21-2008, 01:44 PM	#3 (permalink)
cr0bar Registered User Join Date: May 2008 Posts: 4 OS: XP SP3	Re: Presario 2500 CPU upgrade I will need to check what the motherboard will support first of all. The P4 and P4-M chips are both 478-pin so physical size wouldn't be a problem. Besides, if it doesn't work they're only going for about $15-20. I can always resell it on ebay.

06-23-2008, 02:17 AM	#4 (permalink)
Speeder.dk Registered User Join Date: Jun 2008 Posts: 1 OS: WinXPsp3	Re: Presario 2500 CPU upgrade Funny you mention it... Was just about to post the same topic :) ... Dunno, if you have dissassembled your Presario 2500, but on the socket it reads something like "uFCPGA"... And looking into the service manual reveals that you can buy this model with a Celeron and a Pentium4-M cpu... So I believe it is possible ... Anyways, I'm about to buy a PentiumM Banias (the first pentiumM at 1.5ghz) and will try that out in my Presario :) ... ps. does your fans also run almost at anytime? /Speeder Last edited by Speeder.dk : 06-23-2008 at 02:18 AM.

06-23-2008, 05:03 PM	#5 (permalink)
Skipper05 Registered User Join Date: Nov 2007 Location: USA Posts: 14 OS: Win XP	Re: Presario 2500 CPU upgrade Don't even bother trying it, buddy. I tried it before and it doesn't work, P4-M's which work in the 2100 presario laptops aren't recognized by 2500 presario's. You can use mobile Pentium 4's, which isn't the same as a pentium 4 mobile.