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[OFFICIAL] 775 to 771 mod Club! - Page 82

post #811 of 928
I thought I was looking for trouble trying to overclock a Dell Dimension E520. But swap a Vostro 220 MB ????????
Anyway " I hate Dell" was worth finding,.Thanks for that.

If you want a Dell project the Dimension E520 is an overclocking beast. But the PrecisionT3400 workstation can get you into QX9650 with Crossfire territory. 16GB DDR2-800 also.

Click on the link in my sig. then click on the image there. you'll see what I mean.
Edited by Retrorockit - 6/5/16 at 11:22am
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post #812 of 928
Quote:
Originally Posted by 775Goober View Post

ah no, it's because the 220 has only 2 ram slots haha
ROTFL U like that huh? The board was made to hold 4 ram slots, but Dell only had 2 put on their custom boards. The openings for the other 2 are right there in plain sight. Don't know if 2 more could be added or not. I DO know that in apps like speccy,and cpuz, the 2 missing slots show as empty.So the apps are possibly reading the board as being configured for 4,but dell only put 2 physical slots on.Get 2 more & solder the pins is my only suggestion if anyone is good enough @ it.(I'm not) redface.gif The chipset handles the 8 Gb.(4x2Gb)
post #813 of 928
Old Dells cost little to nothing. Getting a better one shouldn't be too hard.

Dimension E 520- *8GB DDR2-800, max CPU QX6800 SLACP software O/C to 3.72GHz stable. R9-285 ITX tested, runs good, BIOS issue. GTX760 ITX suggested. 3.99GHz validation. Dimension 9200 has room for 2 slot GPU. 965 chipset. 4 phase VRM hard to heatsink. 1066FSB 65nm CPUs only.

Optiplex 745 similar to E520 except weaker 3 phase VRM easy to heatsink. 3.45Ghz requires QX6800 SLACP (runs 3.72 unstable). 965 chipset

Dell Precision T3400 QX9650 software O/C to 4.15GHz stable, 2x HD7850 Crossfire tested. 16GB DDR2 RAID 1+0 4 drives. X38 chipset. No video card trimming required. I post mostly in LGA775 club. This is a XEON thread so we're getting a little OT here. (Thanks Justajohn @ Tomshardware.)

There are various XPS models. Some allow O/C some don't. People want more money for them. Research well before buying especially Nvidia chipset models.

Most of the later 1333fsb Optiplex models have a 95W CPU limit so Core2extremes won't work.
Edited by Retrorockit - 6/7/16 at 8:04am
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post #814 of 928
Just wondering if you can answer this Q for me

for Dells with 1333 FSB listed (on delidded's tested motherboard page), does that mean if I BSEL a CPU to 400 mhz, it'll automatically downclock to 333mhz?
post #815 of 928
Almost all of the common Dells with 1333 FSB have a 95W limit. There is no FSB, Multiplier. or Voltage setting in Dell BIOS except for some settings on some XPS models. You might find an XPS 130W machine. SetFSB, or Clockgen can produce some results if you pinmod the volts higher first. I doubt if 400 fsb is going to happen.

T3400 workstation has X38 chipset with hidden support for 400 fsb, and 130W Core 2 extremes. It also has some native XEON support.
That would be your best bet to try it. Also Crossfire dual slot GPUs is a bonus. I intend to try pinmodding to 400fsb on mine. 1.525V. is good to 4.15GHz.

Justajohn at Tomshardware tried a Xeon in an Optiplex 780 and SetFSB got him to 3.33 GHz. I don't know if he did the voltmod. I think it was a 3340.

Most of the Dells that support 130W CPUs do so because they supported Pentium D's. If they support Core2Duo also then 1066fsb 65nm Quads become an option. Throttlestop software gives control of volts and multiplier. Overclocking on Core2extreme only.

There really aren't a lot of people who overclock Dells. Many people who try fail. FWIW the fastest T3400 Xeon at Geekbench 3 scores 5919 multicore performance. My Dimension E520 scores 6829. (look in Dell DM061 for this score ,that's E520 model #).

The best results have been with Throttlestop and Core2X. That's why I don't spend much time in the Xeon forum. The best FSB results with Dells come from pinmodding 1066FSB chips to 1333. Almost all Xeons have locked multipliers, and 1333 FSB already. So it's down to what the PLL will tolerate which is often not much.

Click on the link in my sig, then click on the image. You will see an XPS (OCK520) with FSB control listed there. The WG864 are all mine. He was a little too close for comfort at 3.72GHz so I threw on another multiplier and let her rip.
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Crucial M500 SSD 240GB Asus DVDRW TSST DVDRW Dell 3 heatpipe BTX tower cooler, 
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Delta 2 motor fan 120X50mm 3.4A. GFB1212VHG Windows7 64 bit Dell 23'' flat screen Logitech backlit wireless 
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post #816 of 928
Quote:
Originally Posted by 775Goober View Post

Just wondering if you can answer this Q for me

for Dells with 1333 FSB listed (on delidded's tested motherboard page), does that mean if I BSEL a CPU to 400 mhz, it'll automatically downclock to 333mhz?

To answer your specific question. No. A failed BSEL won't boot, and a failed SetFSB will lock up requiring a reboot.
BSEL generally only works if the chipset supports the higher FSB. It get's you past the locked BIOS, and even if the chipset supports it you still have the PLL chip to contend with. It needs to be able to produce that frequency. Those are the exact results I got on my E520 trying those methods. They have worked for other people on other computers.

I suppose I should warn you that all the Dells I mention here are BTX. If you want to try an ATX, or AMD Dell you're on your own.
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CoolingOSMonitorKeyboard
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Crucial M500 SSD 240GB Asus DVDRW TSST DVDRW Dell 3 heatpipe BTX tower cooler, 
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Delta 2 motor fan 120X50mm 3.4A. GFB1212VHG Windows7 64 bit Dell 23'' flat screen Logitech backlit wireless 
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post #817 of 928
lol, since I'm playing with voltages on another board @ the moment, I had the twisted thought that maybe dell only put 2 memory slots in to keep the power consumption down. We all know that dell used low watt supplies on their systems. smile.gif
post #818 of 928
hi,
about 2 weeks ago i uodated my lil bros pc. i installed x5460 into gigabyte ep45-ud3lr mobo. did some benchmark tests (like cinebench) and checked temperatures and all was fine.
now my bro is telling me that he cant play a single game since the upgrade. he keeps getting "stopped working" error as soon as he starts any game. according to him this started just afer i installed the new cpu.
can someone plz tell me what is going on here?
socket was cut properly, sticker was applyed properly and bios flash went without any problem (cpu-z reads cpu as it should). is there some small thing im missing?
should he reinstal the windows? (that doesnt seems like to be a problem bc when i did mod on my pc it all worked perfectly without windows change)
post #819 of 928
Quote:
Originally Posted by Kinez View Post

hi,
about 2 weeks ago i uodated my lil bros pc. i installed x5460 into gigabyte ep45-ud3lr mobo. did some benchmark tests (like cinebench) and checked temperatures and all was fine.
now my bro is telling me that he cant play a single game since the upgrade. he keeps getting "stopped working" error as soon as he starts any game. according to him this started just afer i installed the new cpu.
can someone plz tell me what is going on here?
socket was cut properly, sticker was applyed properly and bios flash went without any problem (cpu-z reads cpu as it should). is there some small thing im missing?
should he reinstal the windows? (that doesnt seems like to be a problem bc when i did mod on my pc it all worked perfectly without windows change)


no need to reinstall windows.
post cpu-z, core temp, and burn the cpu under prim95 to check stability and temperatures.
does he get a bsod when starting a game ?
perhaps, your power supply is too weak to handle both the graphic card and X5460, if you had a dualie before.
which model of psu / graphic card / cpu heatsink do you have ?
post #820 of 928
no bsod, just that windows error msg "stopped working". every other application is working fine even stress testing it goes well, even with overclock to 3,8ghz (400 fsb) and it never went above 71C in temp on the hotest core
graphic card is gtx 460 and psu corsair cx 600 but i dont think that should be the issue bc few of benchmarks i tryed worked fine and also his last cpu was q8200 oc @4,46ghz with 1.41V
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