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sin0822

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Posts posted by sin0822

    Overclocking Sandy Bridge on Z77

    in General overclocking

    Posted

    IMO just get a Z68/P67 board, Intel tried their best to get things to be equal on Z77 and Z68, but it is pretty evident that 2000 series CPUs do best in their own chipsets while 3000 series do best in their own. Intel's fail, not yours.

     

    On 2000 series the clock gen was in the pch, now with 3000 is in the cpu that is why you have clock losses going platform to platform somtimes.

    z77-ud5 cold issues

    in Ivy Bridge (Z77) OC

    Posted

    IDK i thought UD5H was one of the best boards I have used for subzero, and I have used the M5E and all the GB Z77 boards. It was easy to use if you know how to use it, and of course if you know how to insulate. I think perhaps the UD3Hs are a bit touchy, one I insulated without grease didn't take so well after a few sessions and had some of the issues you described k404, the other which I greased up all the way still acts fine. I also have an asrock Z77 OC forumla, I have not used that one yet, its sitting here in a box. I also have a Z77 FTW, however since eLeet is stuck at 1.52v in windows, there is no use in going subzero. There was also no BIOS which I found that had unlocked volts for it.

     

    Otherwise all i do when I bench is set basic OC around 5ghz and high BCLK and 1.65vcore and memory multiplier, then i boot into windows and use GTL.

     

    I would however say that my favorite for ln2 have been UD5H and UP5. I also found some of the OC BIOSes don't work well and give me more issues, I actually just use the normal BIOSes for LN2, like F8D for the UD5H, and I never used an LN2 BIOS with the UP5. That might be the difference. I also did have a UD3H be a dud like I said earlier, it could be that its design is such that perhaps if water gets in somewhere it is hard to get out.

    Storing GPUs

    in Offtopic

    Posted

    Since i moved to my apartment, i have a ton of motherboards, so i found that if you put them in anti-static bags, and then flip one on the other, then they fall into each other and i put them into a dresser drawer. I have less clothes than comp[uter hardware.

     

    For CPUs I use a locked briefcase which I use a bike lock and secure to my desk.

     

    FOr GPUs and memory i just a utility drawer.

     

    But my apartment has good security, a few security guards, i need a card to get into my apartment and a key to get into my room.

     

    IMO just put all the ones you wont you in a box and put them in a closet or something. For boxes for the motherboard, I unfold the boxes, and they all become flat. Except you will soon find enough boxes will weigh a crap load.

     

    I only own 6 GPUs lol.

    HWBOT Memebase

    in Offtopic

    Posted · Edited by sin0822

     

    z070LR6j

    Your quote about 32 phases being 8x2x2, that isn't how it is being done on the UP7, it is much simpler than that. It does limit max switching frequency to 1/4 that of the PWM, but officially the IR3563A ca do 1.2mhz, but unofficially IR told me it can be set to do 2mhz. However you don't run IR3550 over 300KHz anyways.

     

    It is of course multiplexed, but not twice like it was in the past with the Z68X and P67A UD7.

     

    The UP7 uses 8x quadrouplers, IR3599. The way it is done is that in the end you have four sets of 8 phase VRMs. So you have 32 phases and when each phase is fired from the PWM one quadroupler turns on 1 of its phases, then next cycle it will turn on another, next cycle another, and the fourth cycle another.

     

    However this quadroupler chip also has the ability to turn on all 4 phases at 1 time, so that if the main PWM chooses to align all the phases then all 8 quadrouplers can turn on all 4 of their phases and total 32 phases. That is how GIGABYTE was able to get 2000W output out of that VRMs.

     

    However you can run the UP7's VRMs without heatsinks, and that is because in normal operation it just turns on each phases 1/32 over four cycles, like a giant 32 phase VRM, however in essence there are still only 8 phases on each cycle, but every 4 cycles you turn on each of the 32 phases. So if you measure over 4 cycles then you will see each IR3550 turn on once, unless some transient occurs where the PWM might shut off or turn on more phases than normal.

     

    That is what I got after i talked to IR and seeing how it actually works. Also with 32 phases you deff never want to run 4 on at one time, you just want 1 on at a time or else the switching loss would create a large amount of heat. When you get to so many phases, the loss from switching phases on is most likely larger than the loss from the work the MOSFETs do.

    TridentX + Z77X-UD5H: Set TRRD=7

    in Ivy Bridge (Z77) OC

    Posted

    I think you mean "Ab", but Ab is not an error, it is just Ab and it means you are in the BIOS but video output is up to you.

     

    If you have a GPU plugged in, the board always defaults to it. So you can pull the GPU out and then try integrated, if one of those outputs don't work then you can try another.

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