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[MOD] LGA775 Support For LGA771 Xeon CPUs - Page 645

post #6441 of 12441
Quote:
Originally Posted by martik777 View Post

I've had no issues with the G31/G33 chips sets on a P5K-VM or Lenovo box.

The E5430 is the best ebay buy, only $12, the 5440 and 5450 are almost 3x the price for no noticeable gain.

Check out http://www.delidded.com/lga-771-to-775-adapter/ for a lot of tips and motherboard/chipset compatibility

I already got a E5420 a friend gave me ages ago and probably gonna pick up a Gigabyte P35 mobo to go with it because it's a only few dollars more then a G31, the E5430 is only 12$ on eBay but I'm not from the US so I have to pay another 25$ for shipping:o
I can buy one locally but for something like 30$, is the difference between a E5420 to E5430 worth it?
Edited by -Ryu - 4/18/15 at 3:23pm
post #6442 of 12441
$25 shipping???? Where are you?

Anyways, definitely not worth it for the very MINOR difference between a 5420 and 5430.
post #6443 of 12441
Hi all,

I would like to share my first experience with this mod and get some advice on how to proceed next smile.gif

I got an old computer with GA-965P-DS3 board from my father. It has an E6300 CPU in it. I decided to do some experimenting so I bought an X5492 and mod sticker. This PC was fully working on arrival. I have no real mod experience yet and certainly not with this socket.

Step 1: Applied mod sticker. No problems there.
Step 2: Removed old CPU. First thing I noticed was that the pins looked a bit "odd", like the top of the pins had been bent slightly into one direction. But I knew the PC was working so I assumed this is normal.
Step 3: Removed tabs: I bent a few pins but managed to straighten them out.
Step 4: I first wanted to try with the old CPU so I put it back in. I replaced the cooler but I didn't have any cooling paste. I figured it was just to see if the system could boot so it should be fine.
The board, removed from the computer wouldn't boot even after shorting the power pins.
So I put it back in the case (power button wires were too short) and reconnected everything.
I could boot but the computer turned itself off after a few seconds. I never managed to get into the bios but when I did nothing, it tried to find a working disk, so the CPU was really working. In the meantime the speaker was screaming like a child.

Step 5: re-removed old CPU and put Xeon in. This is probably where I botched horribly.
It didn't really fit in 100% but I could close the socket.
Board + fans start but screen remains black. No audio signal.
CPU turns hot though (about 60 °C).
00
Step 6: reset BIOS. System died permanently. When I turn the power supply on, the keyboard leds light up briefly but the system doesn't start. No fans, no lights, no audio, no screen.

Step 7: removed Xeon: more pins bent. I realize my mistake in step 5 and try to straighten them out. Several runs with old CPU give me nothing. Also the old CPU didn't fall perfectly into place anymore. I probably ruined the socket.


Now the important question I have: is it still worth it to get a new motherboard? The Xeon costs about 70€, shipping included but I can't verify if I fried it or not. I presume the motherboard is beyond repair now, or should I still try to straighten more pins? (can you really destroy the board if some pins are shortened?)
EDIT: I managed to actually break off a pin. So that's that. Either new LGA775 mobo or just sell the CPU. I can get a

Sorry for the high n00b level, but I have to start somewhere.
PS: I read the whole shebang at the beginning of this thread.
PPS: some pictures:




Edited by Quantumdot - 4/19/15 at 7:10am
post #6444 of 12441
Actually, you went wrong when you bought X5492, 1600 FSB Xeons are known to cause problems and often not work at all with lga775 boards (and definitely not on a P965 board). So even if you haven't made a mistake in modding the motherboard, I doubt the Xeon you've bought would have worked properly with your motherboard.

Take a close look at CPU socket pins and make sure that they are all oriented in the same direction and none of them is missing/touching other pins. If your motherboard still doesn't boot with your E6300 after carefully fixing the socket pins, you've either killed it or need to replace the BIOS memory block.

On the good note note, you've paid much more for your Xeon than E5450/X5460 cost, best thing you can do is selling your X5492 (its probably fine unless you physically damaged it by forcing it into socket or not aligned properly with socket pins) and then, buying either E5450 or X5460 and spending the rest of the money on the motherboard (you might want to pay couple euros extra to buy a decent P35/P45 board). Of course, I assume that your current P965 board is dead.
Edited by Wojton - 4/19/15 at 6:43am
post #6445 of 12441
Quote:
Originally Posted by Quantumdot View Post

Warning: Spoiler! (Click to show)

Looks like you have killed that mobo. Even on that low quality pic I can see bent pins near where right tab was and probably there are more across the socket. Pins need to be in nearly absolute ideal order if you want it to function. When you take out the mobo and look at the socket from many angles you will probably see that some pins are reflecting light differently - that means they are not aligned properly. I doubt you can straighten them, it is just too precise work and you managed to bent bunch of pins when just cutting out plastic tabs. Do as Wojton suggested - sell that Xeon, buy a cheaper one and a decent mobo.
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Alien
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post #6446 of 12441
I can get a ASUS P5G41T-M LX2/BG for 50€. This board is known to support the X5492 (from this forum).
Of course I can still botch the new one. Any tips there? I used a small box cutter, but I also have a real scalpel somewhere.
post #6447 of 12441
It's much easier to file new notches in the CPU than cutting into the motherboard. All you need is a small round file, mark the position by lining up with the old CPU, TAKE YOUR TIME, don't file into the contacts.

The E5430 is the best buy at $12 right now, I doubt one would even notice the performance difference.
post #6448 of 12441
Quote:
Originally Posted by Quantumdot View Post

I can get a ASUS P5G41T-M LX2/BG for 50€. This board is known to support the X5492 (from this forum).
Of course I can still botch the new one. Any tips there? I used a small box cutter, but I also have a real scalpel somewhere.

You can get a cheap x-acto type knife set at Harbor Freight. Or if you already have the handle then you can buy a replacement blade. I prefer the rounded or chisel tip.
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post #6449 of 12441
Quote:
Originally Posted by martik777 View Post

It's much easier to file new notches in the CPU than cutting into the motherboard. All you need is a small round file, mark the position by lining up with the old CPU, TAKE YOUR TIME, don't file into the contacts.

Hmm, I like that suggestion!
Quote:
The E5430 is the best buy at $12 right now, I doubt one would even notice the performance difference.

Well, I bought this Aus P5Q SE Plus board for just 25€. This board supports the X5492 according to this site and gets rather good reviews. I figured it won't get any cheaper than this, *and* I get to test the X5492 to see if it's damaged or not. If it isn't, I can still decide later if I want to sell it or not.
If I succeed, I can post some test results. Might be interesting.

Diederik.
Edited by Quantumdot - 4/20/15 at 1:31pm
post #6450 of 12441
hi, i'm a bit late to the party :-)
for the past 6 years (might have been longer!?) I've been running a C2Duo E8400 @ 4.05ghz (9x450Mhz) on my Asus P5E (X38 Chipset crossflashed w/ latest Rampage Formula Bios 1.001).
When I read about the 771/775 mod I immediately decided I wanted to give a go myself. I actually do have access to some obsolete xeon cpus from work but none of them is supposed to work with my chipset. Since I didn't want to replace my MoBo and because Xeon support is extremely limited on X38/X48 chipsets I decided to get a Xeon x3363 (~Q9550 equivalent but with 80W TDP) with E0 stepping from ebay for ~50€. Both CPU and the adapter sticker should arrive via mail over the next few days so I'm looking forward to try it out on the upcoming weekend.
One question that arised during my (limited) research: Will I have to to update the microcode in my bios to support the CPU? CPUID for the x3363 E0 is 1067A, Asus Support page for the Rampage Formula Bios 1.001 tells me all of the equivalent Core2Quads Q9X50 are supported. So I should be fine microcode-wise?

Overall there appears to be very limited experience (and even less success stories) with xeons on x38 boards, so I'll keep you updated about my progress smile.gif
    
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OCZ Platinum Samsung 750GB 32MB Cache Samsung 830 SSD Philips DVD-RW 
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