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Is a pentium 4 3 00ghz chip Windows 7 64 bit compatible?

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July 14, 2010 7:24:59 PM

Is a pentium 4 3 00ghz chip Windows 7 64 bit compatible? :??:  I am upping the RAM from 512mb to 4 gb on my Sony PCV-RZ422P. Hard drive is 120 gb (30 on C 90 on D)
July 14, 2010 7:41:58 PM

Piglet61 said:
Is a pentium 4 3 00ghz chip Windows 7 64 bit compatible? :??:  I am upping the RAM from 512mb to 4 gb on my Sony PCV-RZ422P. Hard drive is 120 gb (30 on C 90 on D)


Not that I am aware of, you need a 64bit CPU to install a 64bit OS. I do not think there were any 64bit P4s made, I could be wrong though.

If I were you I would find out what kind of socket your system board has and if you can upgrade your CPU to a 64bit CPU. Cheaper than buying a new computer.

Also, if you want to address all your ram on your computer with a 32bit cpu you will need to add the /PEA switch in your boot .ini file.

Here is a few links for more information on how to do that.

http://www.microsoft.com/whdc/system/platform/server/pa...
http://www.tomshardware.com/forum/231766-45-windowsxp-r...
a c 126 à CPUs
July 14, 2010 7:46:09 PM

No. Pentium 4s are only 32bit compatable. The first 64bit CPU from Intel was a Pentiums on LGA 775 (Prescott core, marked by a F such as Pentium 4 3.0F).
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July 14, 2010 7:59:55 PM

What Pentium 4 is it? I can see several running at 3GHz. If its a P4 531 on LGA775 then yes.

If its on Socket 478 then no.
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a b $ Windows 7
July 14, 2010 9:15:46 PM

Pentium 4?

No - Don't install Win 7.

a c 131 à CPUs
July 15, 2010 1:15:54 AM

Scotteq said:
Pentium 4?

No - Don't install Win 7.

My Athlon 64 3200+ single core at 2GHz ran windows 7 fine for my liking. The P4 performs the same or a bit better. I recently installed windows 7 for my friend's computer. Albeit, he was on socket 775, he had a netburst 64-bit pentium 4 at 3.2GHz. Bugger slow for my liking (but now I am spoiled with a quad core) but still, runs fine.
April 6, 2013 11:16:39 AM

I have a Intel Pentium 4 3.00Ghz Socket LGA775 and it is 64-bit capable I have Windows 7 Ultimate 64-bit installed and it works.
May 6, 2013 4:09:08 AM

RaZ0R4334 said:
I have a Intel Pentium 4 3.00Ghz Socket LGA775 and it is 64-bit capable I have Windows 7 Ultimate 64-bit installed and it works.
.... I acquired a Dell computer which the motherboard BIOS reads 64 bit capable YES. next line has technology software NO. I believe the computer was first purchased with CPU mentioned above and sold with windows XP that had 32 bit capability. the lower bar Task Manager processor shows a single core CPU. I don't want to install windows 7 because of the age of the computer and that software programs on the hard drive are compatible with XP and earlier OS. what's an easy fix to regain dual core and better yet 64 bit processing?

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a b $ Windows 7
May 6, 2013 7:57:27 PM

Don't bother getting win7-64.
That motherbd is not capable of running 4gb of ram; it has a 2gb limit making 64bit windows irrelevant.
May 28, 2013 6:57:35 PM

popatim said:
Do bother getting win7-64.
That motherbd is not capable of running 4gb of ram; it has a 2gb limit making 64bit windows irrelevant.


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a b $ Windows 7
May 29, 2013 6:46:48 AM

Putting aside the 64-bit issue (LGA 775 Pentiums are 64-bit capable, FYI), I wouldn't try runnng 7 on a Pentium 4.
August 18, 2013 6:02:50 PM

gamerk316 said:
Putting aside the 64-bit issue (LGA 775 Pentiums are 64-bit capable, FYI), I wouldn't try runnng 7 on a Pentium 4.


hey guys i am running windows 7 64 bit and vista 64 bit on a pentium 4 3.6 ghz cedar mill. i think alot of people who say it won't work have never really tried. 4gb ddr2 ram and nvidia gs8400 silent. all works great pentium 4 still kick butt. poorguy
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August 18, 2013 8:39:57 PM

windows 7 on a p4 runs alright. you can do basic stuff one at a time. its not until you start running multiple programs at once where it begins to crap out.

if the p4 is socket 478, it will NOT run 64 bit os. if the p4 is lga775 then it WILL RUN 64 bit os.

but looking into that sony model, it has an old 865p chipset. that chipset is from about 2003, and it has a maximum supported memory of 2gb so my guess is that its socket 478, so it might not be compatible with 64bit windows 7.

heres is my suggestion, max out the ram to 2gb, and install windows 7 32 bit.
August 19, 2013 6:06:21 AM

computer_nugget2 said:
windows 7 on a p4 runs alright. you can do basic stuff one at a time. its not until you start running multiple programs at once where it begins to crap out.

if the p4 is socket 478, it will NOT run 64 bit os. if the p4 is lga775 then it WILL RUN 64 bit os.

but looking into that sony model, it has an old 865p chipset. that chipset is from about 2003, and it has a maximum supported memory of 2gb so my guess is that its socket 478, so it might not be compatible with 64bit windows 7.

heres is my suggestion, max out the ram to 2gb, and install windows 7 32 bit.

mine is a lga 775. 4gb ddr2. i just built it because everyone says what they say about them. old hardware still is good. yes it does have some limits but not many. i can do several things at one time with it and a lot more than basic stuff. p4 cedar mill 3.6 ghz 2mb L2 cache. poorguy
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August 19, 2013 6:27:03 AM

enzo matrix said:
Scotteq said:
Pentium 4?

No - Don't install Win 7.

My Athlon 64 3200+ single core at 2GHz ran windows 7 fine for my liking. The P4 performs the same or a bit better. I recently installed windows 7 for my friend's computer. Albeit, he was on socket 775, he had a netburst 64-bit pentium 4 at 3.2GHz. Bugger slow for my liking (but now I am spoiled with a quad core) but still, runs fine.


If his p4 is pre socket 775 it wont run windows 7 as well as a 3200+ athlon 64. tho it would run.
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August 19, 2013 6:30:06 AM

poorguy said:
gamerk316 said:
Putting aside the 64-bit issue (LGA 775 Pentiums are 64-bit capable, FYI), I wouldn't try runnng 7 on a Pentium 4.


hey guys i am running windows 7 64 bit and vista 64 bit on a pentium 4 3.6 ghz cedar mill. i think alot of people who say it won't work have never really tried. 4gb ddr2 ram and nvidia gs8400 silent. all works great pentium 4 still kick butt. poorguy


the cedar mill 65nm architecture is much more efficient than the old p4's were talking about. Its probably 50% faster than the old stuff.
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August 19, 2013 6:32:57 AM

And yes, 2 gig and 32bit win 7 is ideal. The chip isnt powerful enough to really utilize 4 gig anyway.
a b à CPUs
August 19, 2013 1:53:37 PM

you guys are missing the point. he is asking if HIS computer will run w7 64bit. the answer is NO it will not run w7 64bit.

it WILL run w7 32bit though.
August 19, 2013 4:53:01 PM

computer_nugget2 said:
you guys are missing the point. he is asking if HIS computer will run w7 64bit. the answer is NO it will not run w7 64bit.

it WILL run w7 32bit though.


ok my mistake on what was being asked. i have ran the 32 bit on the socket 478 and once installed it ran fine for basic things and video watching. thanks for correcting me as i was not paying close enough to what i was reading. i rebuild alot of old desktop boxes and donate them to people who can not afford a pc so i deal with alot of old hardware that is still very capable of running todays software. thanks poorguy
!