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32 bit processor with 64 bit OS?


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#1 LordSoren

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Posted 07 August 2010 - 11:50 PM

Good morning (for me at least):

I just upgraded my RAM from 2GB to 8GB without thinking much about other troubles that I would encounter from the upgrade. Low and behold, I can't see all of my ram in windows XP 32-bit. I have figured out to get windows to see as much of the RAM as is possible as is (Ensuring Memory remapping is OFF and PAE).

However this is where the stupid question department comes in. If I were to upgrade to a 64 bit OS, would I have to change my processor to a 64 bit also? Or can I run a 64 bit OS, access all 8 GB of ram, and stick with my current 32-bit processor?

I have a CPU-Z report to identify my computer's hardware if that would make answering my question easier.

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#2 Platypus

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Posted 08 August 2010 - 05:43 AM

I have a CPU-Z report to identify my computer's hardware if that would make answering my question easier.

Not only will it make it easier, it will make it possible... :thumbsup:

Post what CPU your system has, and we can confirm. Unless you have an old but unusually capable computer, it's pretty certain your CPU will have 64 bit capability.

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#3 LordSoren

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Posted 09 August 2010 - 05:59 PM

Here is the information requested:[codebox]Binaries
-------------------------------------------------------------------------

CPU-Z version 1.55

Processors
-------------------------------------------------------------------------

Number of processors 1
Number of threads 2

APICs
-------------------------------------------------------------------------

Processor 0
-- Core 0
-- Thread 0 0
-- Core 1
-- Thread 0 1

Processors Information
-------------------------------------------------------------------------

Processor 1 ID = 0
Number of cores 2 (max 2)
Number of threads 2 (max 2)
Name Intel Pentium D 945
Codename Presler
Specification Intel® Pentium® D CPU 3.40GHz
Package (platform ID) Socket 775 LGA (0x2)
CPUID F.6.4
Extended CPUID F.6
Core Stepping C1
Technology 65 nm
Core Speed 3412.1 MHz
Multiplier x FSB 17.0 x 200.7 MHz
Rated Bus speed 802.8 MHz
Stock frequency 3400 MHz
Instructions sets MMX, SSE, SSE2, SSE3, EM64T
L1 Data cache 2 x 16 KBytes, 8-way set associative, 64-byte line size
Trace cache 2 x 12 Kuops, 8-way set associative
L2 cache 2 x 2048 KBytes, 8-way set associative, 64-byte line size
FID/VID Control yes
FID range 14.0x - 17.0x
VID range 1.116 V - 1.324 V
[/codebox]

And my Chipset:[codebox]Chipset
-------------------------------------------------------------------------

Northbridge Intel i975X rev. C0
Southbridge Intel 82801GB (ICH7/R) rev. A1
Graphic Interface PCI-Express
PCI-E Link Width x8
PCI-E Max Link Width x16
Memory Type DDR2
Memory Size 8192 MBytes
Channels Dual
Memory Frequency 334.5 MHz (3:5)
CAS# latency (CL) 5.0
RAS# to CAS# delay (tRCD) 5
RAS# Precharge (tRP) 5
Cycle Time (tRAS) 15
Bank Cycle Time (tRC) 21
MCHBAR I/O Base address 0x0FED14000
MCHBAR I/O Size 4096[/codebox]

#4 the_patriot11

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Posted 09 August 2010 - 06:08 PM

I do believe the intel Pentium D 945 is a 64 bit processor. I know my pentium D 930 is and its a few models older and slower, so you should be good to go to switch to a 64 bit OS.

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Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#5 MrBruce1959

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Posted 09 August 2010 - 07:53 PM

This part of your string for your processor says it all.

L1 Data cache 2 x 16 KBytes, 8-way set associative, 64-byte line size
Trace cache 2 x 12 Kuops, 8-way set associative
L2 cache 2 x 2048 KBytes, 8-way set associative, 64-byte line size

You can run an 64 Bit OS with this processor.

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#6 Platypus

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Posted 09 August 2010 - 07:59 PM

Yep.

Instructions sets MMX, SSE, SSE2, SSE3, EM64T

http://wiki.osdev.org/EM64T

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#7 LordSoren

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Posted 09 August 2010 - 08:18 PM

When I was posting the code snippits that I posted I saw "64-byte line size" and figured that it supported 64 bit. But after the initial screw-up I wanted to be safe.

Thanks, Platypus, MrBruce1959 and the_patriot09.

Just as an aside, does XP professional OEM from about 3 years ago come with 64-bit? I have my original CD kicking around somewhere, but I can't put my finger on it right now.

#8 Platypus

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Posted 09 August 2010 - 08:25 PM

No, XP 64-bit is a different OS to XP 32-bit. Being a "first try" it was a bit clunky, hardware support and software compatability was patchy.

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#9 the_patriot11

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Posted 09 August 2010 - 09:17 PM

on that note though, with the updates, its much better. My dad ordered a computer from me with windows xp professional 64 bit, and he loves every bit of it, it runs solid, stable, and does everything he needs it to. His computer will easily handle windows 7, but hes a xp fan and wont move up. Lot of people like that.

picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

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#10 Platypus

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Posted 09 August 2010 - 09:55 PM

Fair comment, I've known folk who got the compatibility sorted and found it extremely stable, as you'd expect with the kernel drawn from Server 2003.

Edited by Platypus, 09 August 2010 - 09:57 PM.

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#11 JonM33

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Posted 10 August 2010 - 08:57 AM

Yep.

Instructions sets MMX, SSE, SSE2, SSE3, EM64T

http://wiki.osdev.org/EM64T


Yep, the instruction set actually says it all.

on that note though, with the updates, its much better. My dad ordered a computer from me with windows xp professional 64 bit, and he loves every bit of it, it runs solid, stable, and does everything he needs it to. His computer will easily handle windows 7, but hes a xp fan and wont move up. Lot of people like that.


I hope his main account isn't a local administrator.

#12 the_patriot11

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Posted 10 August 2010 - 02:50 PM

my dads been in the IT business for over 20 years, even if it was, hes smart enough with computers and software that viruses arnt an issue for him, and I feel sorry for any poor fool who tries to hack him. Heck, hes the one who told me not to log on to the internet using an admin account, and where I learned a good deal of my computer knowledge from. :D

picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.


#13 JonM33

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Posted 10 August 2010 - 03:42 PM

I understand. Even I don't run Windows XP (in a VM) with anything other than a standard User account. It's just a very insecure OS.

#14 the_patriot11

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Posted 10 August 2010 - 11:48 PM

eh, its just as insecure as the user. With a good firewall, I would care say its more secure then vista or 7.

picard5.jpg

 

Primary system: Motherboard: ASUS M4A89GTD PRO/USB3, Processor: AMD Phenom II x4 945, Memory: 16 gigs of Patriot G2 DDR3 1600, Video: AMD Sapphire Nitro R9 380, Storage: 1 WD 500 gig HD, 1 Hitachi 500 gig HD, and Power supply: Coolermaster 750 watt, OS: Windows 10 64 bit. 

Media Center: Motherboard: Gigabyte mp61p-S3, Processor: AMD Athlon 64 x2 6000+, Memory: 6 gigs Patriot DDR2 800, Video: Gigabyte GeForce GT730, Storage: 500 gig Hitachi, PSU: Seasonic M1211 620W full modular, OS: Windows 10.

If I don't reply within 24 hours of your reply, feel free to send me a pm.


#15 ReviverSoft

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Posted 11 August 2010 - 12:02 AM

eh, its just as insecure as the user.
Wholeheartedly agree. :thumbsup:
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