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Upgrading an older pc

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April 24, 2013 10:25:59 AM

Hello,

First I would like to mention I am on a tight budget. I realize that most would probably just trash this system and start from scratch however this is not an option for me that being said.

I am looking to upgrade this pc:

It is a Dell Optiplex gx620 desktop pc

CPU: Pentium 4 3.2mhz 640

Motherboard: Custom Dell 0ND237 with Intel Lakeport i945g chip and Phoenix BIOS (all the info I could find)

RAM: 2 gb ddr2

OS: Windows XP SP3

HDD: 1 TB Seagate SATA

Video Card: None

Power Supply:280w (stock)

Some other things to consider the case is a compact not micro. Takes low profile pci-express 1.0 cards. Have heard of adaptor for full size cards (card cage) but have not found any available(only UK).

I will definitely upgrade power supply(how much is needed?), ram, and even OS(which is best fit for this kind of system?) if needed.

Now here are my doubts I have been doing some research regarding motherboard and would like some insight on this:

Can I place a Intel Q6700 on this mother board as slot and FSB are supported?

If I can pull this "swap" off what else would I need?

What is the best video card this system can support given the 1.0 slot is compatible up to 2.0 pci express.

Used Everest and Speccy to get my system info

Thanks in advance for the advice

More about : upgrading older

a c 89 à CPUs
April 24, 2013 10:30:27 AM

I can't wrap my head around the other info at the moment, but PCIe is backwards compatible. PCIe 3.0 cards will work in a PCIe 1.0 slot.
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a c 392 à CPUs
April 24, 2013 11:34:28 AM

The fastest cpu the system supports is the pentium D 840, no core 2 support. The psu in the desktop, sff, and usff models is proprietary(any upgrade would require some sort of case and/or power supply modification)only the mini tower used an standard atx sized power supply. Using the stock power supply you get get something like a hd 6450, gt 630 maybe a gt 640.
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April 24, 2013 1:26:18 PM

Ok updated motherboard info
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a b à CPUs
April 24, 2013 4:08:55 PM

In any way, the maximum CPU upgrade for this system is Pentium D 960, this is all (this is in case of MT model, I need more time to check DT one).
The maximum GPU is most likely 7750 low profile (this is low profile PC only). It can work on existing PSU.
You mentioned card cage, this is actually called PCIE card riser, but it would not allow you to place high end GPUs due to the length limitations, it will allow to use only full height GPUs and this is all.

So, would you be willing to proceed this way?
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a b à CPUs
April 24, 2013 5:54:28 PM

hafijur said:
I never understood why people keep junk like pentium 4's. Just to put it into perspective most low end mobile phones are faster then this pc. Then again most basic laptop cpus are over 10x faster then that cpu now. I would sell that junk pc and keep that hard drive and at the very least buy a 45nm core 2 duo if on budget.


If budget is very tight, then what? Once motherboard is changed, need new OS as well, new case (old is BTX not ATX), all together it comes to around $400 for low end upgradable, if OP doesn't have these $$ then what? Getting Core 2 Duo setup is end of life as well!
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April 24, 2013 5:55:28 PM

Yes I would try to get the riser cage in order to obtain not only a better card now but some thing that will stay relevant, as well as upgrade power supply. Which is the best full size budget card I can use in this system?
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April 24, 2013 6:04:19 PM

And how useful is the Pentium D processor for games if paired with a competent graphics card?
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a b à CPUs
April 25, 2013 10:02:29 AM

handyboy said:
Yes I would try to get the riser cage in order to obtain not only a better card now but some thing that will stay relevant, as well as upgrade power supply. Which is the best full size budget card I can use in this system?


Problem is in power supply - you can not upgrade it, look at the picture below, this is it.

Dell Optiplex GX620 280 watt desktop power supply - H280P-00



And check those videos to learn more about GX620 Desktop

Refurbished Dell Optiplex GX620 Desktop

ComputersNOW.com Dell Optiplex GX620/GX520 Desktop Computer Video Review

And this is 10 minute detailed overview
Dell OptiPlex GX620 Review (this is desktop form factor)

So, unfortunately you stock with 280 watt PSU, and as such, it would be much easier and cheaper to use 7750 low profile card.
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April 25, 2013 10:09:33 AM

In all seriousness, it would be wise and well worth it to overhaul the motherboard and processor, and replace them with something new.
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a b à CPUs
April 25, 2013 10:20:02 AM

DukeOvilla said:
In all seriousness, it would be wise and well worth it to overhaul the motherboard and processor, and replace them with something new.


Quote:

handyboy said

First I would like to mention I am on a tight budget. I realize that most would probably just trash this system and start from scratch however this is not an option for me that being said.


What can you do here?
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April 26, 2013 1:54:33 AM

Ok been reading up some more and it looks like Pentium D 945 is my best choice due to power and heat issues (no new heatsink needed). Would I be in the wrong here? Also been looking into Pentium D960 and Pentium 840 EE one has virtualization and 4md cache and the other hyperthreading and 2 m cache both would require a new heatsink are either worth it? Are you guys sure my MOBO won't take 1066 FSB? If so how good is Pentium 965 EE?
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a c 352 à CPUs
April 26, 2013 3:04:29 AM

They are all terrible CPUS. try and sell it for extra money towards new system.
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April 30, 2013 10:01:49 PM

Thanks a lot guys for the insight
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a b à CPUs
May 1, 2013 9:30:12 PM

Hm testing iPhone.
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