LGA 775 mobo

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LGA 775 mobo

Postposted on Mon Feb 11, 2013 9:25 pm

I got some spare PC parts for free the other week and scrounged up a few more, however when I went to fire it up, it was DOA - the mobo that is (code 88 - EVGA lga 775 with nvidia 630i/7150 chipset)

Now I am in the process of RMA, however if the cost is too much I will have to see if I can find a 2nd or 3rd hand mobo for dirt cheap somewhere.

Since I am not too familiar with old core2duos anymore ( I think they could run ddr2 or ddr3 depending on the chipset )?
The cpu is an Intel Core 2 Duo E6550 Dual Core Processor LGA775 Conroe 2.33GHZ 1333FSB 4MB
I have sets of ddr2 and ddr3 ram lying around.

My question is does anyone know what some good LGA 775 mobo's are so I know what I should look for?

I have seen P4's in lga 775 and P5 in lga 775, I don't know what the P6 was? LGA 775 wolfdale with ddr3?

(I have a discrete card so does not matter if it has onboard or not.)

Thanks
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Re: LGA 775 mobo

Postposted on Tue Feb 12, 2013 1:03 am

RAM support depends more on your mobo chipset than the CPU, because the memory controller was on the northbridge.

Intel's 775 chipsets:
P965E/975X used DDR2
P35/P45/X38/X48 can use either DDR2 or DDR3

for Nvidia:
600 series use DDR2
700 series can use either DDR2 or DDR3
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Re: LGA 775 mobo

Postposted on Tue Feb 12, 2013 6:25 am

What Jihadjoe says, chipset determines the RAM type because Core2 didn't have an onboard memory controller.

I am happily using a cheap MSI board with a G41 Express chipset, which I picked so that I could pass down DDR3 modules from other machines. I don't think there's a huge disadvantage to running with a DDR2 chipset and RAM, but DDR3 is definitely faster and easier to come by in large quantities.

I just hopped on the lowest price board with the basics I needed and all solid-state capacitors. Like me, I'm guessing you're not aiming for the cutting edge, you just want something simple that let's you Frankenstein some old parts back to life. Hunt the clearance sections and offers pages for anything S775 and check the features/specs are what you want. As long as you stick to solid-state caps, you are likely avoiding the lemons from corner-cutting brands like ECS and Biostar who will avoid putting more expensive components on their boards to chase the lowest price at any cost. Even some of the older Asrock boards can be a bit shonky, in my experience.

I'd like to give some feedback on Nvidia chipsets but I haven't used one since the nForce2 a good dozen years ago. If I had to make a sweeping (and probably incorrect) generalisation, I would probably say that the 775 Nvidia chipsets were inferior to the Intel ones, but did one thing that the Intel chips couldn't: SLI.

As for your socket confusion, S775 was intruduced for the Prescott Pentium 4's and was largely replaced by S1156 when the consumer round of Nehalem (Core i3/5/7) chips first started appearing - there were lots of chipsets for S775 but newer chipsets basically upped the FSB support from 1066 to 1333MHz, allowing the later Core2 (like Wolfdale and Yorkfield) to run with official support. DDR3 support was added as a bonus, but I don't think it was a requirement for the 1333MHz FSB processors. Certainly some of the oldest chipsets like the DDR2-based P965 were capable of 1333MHz support after a motherboard BIOS update, even if it was not 'official'.
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Re: LGA 775 mobo

Postposted on Tue Feb 12, 2013 7:56 am

Thanks

Yes I am aware that Intel didn't have an IMC on the chip until Nahelem and it was on the chipset.

I just wanted to know what chipsets supported what memory, which I do now, thanks to the replies.

So basically look for something with solid caps. I seen a few new G41 model still available, but they are 50+ and up and the reviews aren't really stellar, so ya, basically trying to find something 2nd hand, decent and on the cheap.

I really wanted to know, for example if I could find an Asus or gigabyte, P45 or whatever whatever, that was a good lga775 mobo.

And would I be correct in assuming the P & X chipsets do not have onboard video and only the G chipsets do?

Thanks
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Re: LGA 775 mobo

Postposted on Tue Feb 12, 2013 8:30 am

Actually, I think the Q-series chipsets had integrated graphics in addition to the G-series. I don't think they were really aimed at consumers though so you may have trouble finding them

If you find a board cheap and want to check the features, you're best checking with the board manufacturer's website rather than Intel.
This Intel page gives you a full list of what each chipset supports, but use that only as a guide because sometimes board manufacturers don't fully utilise the chipset features in a board.

You'll probably have more luck finding P965, P43 and P45 boards because these were pretty common. P43 and P45 chipsets support both DDR2 and DDR3, but most manufacturers chose to use just one slot type - DDR2 RAM won't fit in a DDR3 and vice versa, if you weren't already aware of this - so that will come down to the specific board rather than the chipset.
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Re: LGA 775 mobo

Postposted on Tue Feb 12, 2013 7:40 pm

$60 Gigabyte GA-G41MT-S2PT
$57 ASRock G41C-GS
$52½ Foxconn G41MXE

Have we passed the date when it quit making sense to put money into new LGA775 components?
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Re: LGA 775 mobo

Postposted on Tue Feb 12, 2013 10:12 pm

JustAnEngineer wrote:$60 Gigabyte GA-G41MT-S2PT
$57 ASRock G41C-GS
$52½ Foxconn G41MXE

Have we passed the date when it quit making sense to put money into new LGA775 components?


Dunno. If $60 bucks is all that stands between a person and a fully functional computer that satisfies all needs, I'd say it's less about what calender date it is and more about having a working machine. Having said that, I'd have to be in a serious bind to do it myself :lol:
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Re: LGA 775 mobo

Postposted on Wed Feb 13, 2013 5:52 pm

JustAnEngineer wrote:Have we passed the date when it quit making sense to put money into new LGA775 components?


I had a Q9550 "lying around" after a timely motherboard failure prompted me to update the whole setup to Sandy Bridge.
It was still a perfectly decent chip so I figured £45 on a new 775 board would make the old HTPC a bit snappier.

Starting from scratch, sure - it probably is foolish now, but like flip said, I was only £45 away from ugrading a Sempron to a Core2Quad ;)
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Re: LGA 775 mobo

Postposted on Wed Feb 13, 2013 9:15 pm

Chrispy_ wrote:
JustAnEngineer wrote: Have we passed the date when it quit making sense to put money into new LGA775 components?
I had a Q9550 "lying around"...
anotherengineer wrote: The cpu is an Intel Core 2 Duo E6550.
I'll agree that your 2.83 GHz Yorkfield still performs adequately compared to modern CPUs, but does the OP's 2.33 GHz Conroe make the grade?
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Re: LGA 775 mobo

Postposted on Thu Feb 14, 2013 2:56 pm

JustAnEngineer wrote:does the OP's 2.33 GHz Conroe make the grade?


Sure!
Maybe not as a 1080p silky-smooth gaming machine but for documents, spreadsheets, web-browsing, video playback, indie games, older games, console emulators it'll be perfect.

For AAA titles he will definitely need to reduce details but I remember playing Unreal Engine 3.0 games on a Dell Precision with a T6400 (2GHz Core2) pretty smoothly. I'm pretty sure the Quadro in that laptop was the bottleneck because when I turned the resolution down to 640x480 the framrate zoomed up towards three digits.
It's easy to forget about older game engines with all the big, ground-breaking graphics engines in the news but console games mean that the vast majority of recent cross-platform titles still have very modest hardware requirements.
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Re: LGA 775 mobo

Postposted on Thu Feb 14, 2013 5:57 pm

How much do we have to spend on a modern LGA1155 or Socket FM2 processor to get one that outclasses the 2.33 GHz Core 2 Duo? It does increase the cost of the system from a low $60 for an LGA775 motherboard to $100-110 for a new CPU + motherboard.
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Re: LGA 775 mobo

Postposted on Thu Feb 14, 2013 8:17 pm

Exactly, I am on the fence about it. I will keep looking for a 2nd hand one for 30 bucks or less. Being in Canada they tack on about 10 bucks for shipping and then 13% tax on top of the total cost, so that new 55 dollar board comes closer to 75 bucks.
Other spare parts I have for it
-radeon 4850
-seasonic 520W psu
-generic atx case
-either 2gb of ddr2-667 or 4gb of ddr3-1333
-xp pro or win 7 pro x64
-new 120GB kinston hyperx 3k ssd (lol i know i know)

I was under the assumption that the mobo was working, this rig will be going in the garage, where it could be exposed to sawdust, welding fumes, etc. and +10C temps for a good part of the year, hence the ssd.

If I can get a good working 2nd hand board for cheap then I will do that. If not, I will probably try to sell the core2, the ddr2 ram, and whatever other parts I can find and just buy a new mobo/cpu.
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Re: LGA 775 mobo

Postposted on Fri Feb 15, 2013 6:24 am

I just checked Amazon.com and see a board available for $24 and a few more in the same range.
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