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Looking to buy a used Aquacomputer R9 290/290x nickel plated waterblock to match my existing one so that I can upgrade before I go back to uni. I can get a used 290 cheap enough but don't really want to spend >£90 on a new waterblock. If you have a backplate available (and/or a 290 itself) then...

I'm not that familiar with kabini/am1 but could it be throttling due to power consumption rather than temperature? Are there any bios options to increase tdp?

It should work fine if the daughter board is just functioning as a pci-e riser. If you find you can't get it to run at pci-e 2.0 or 3.0 (depending on your new board) then you could just buy a flexible pci-e riser like this...

a 5820k can run tri sli (x8/x8/x8) but requires a board that can support this config. The x99-ud4 can (4 pci-e slots that would run at x8/x8/x4/x8 so you would need to use slots 1,2 and 4.) x99s sli plus from msi and the asus x99 deluxe also support tri sli with the 5820k. I'm sure several...

RAM frequency has almost no effect on gaming performance above 1600MHz when you are using a dedicated gpu. Regarding your first two questions: The memory controller is located on the CPU so this dictates what memory frequencies are considered overclocking. In the case of the 4790k, anything...

I'm using a z87x-ud4h, never had any problems with other ssd's. From what I've read it does seem to be more of an incompatibility with Intel systems or Intel rst. I've switched to an 840 evo and am having no problems. Regarding TRIM and RAID, Intel only supports passing the TRIM command to...

Just a word of warning on the mx100. I've been having random bsods caused by it after which the drive is not detected on reboot. Quite a few people discussing it on the crucial forums but nothing being done.

The reading of 1.37V is VID not VCore. If VCore is dropping to 1.28 under load when you have 1.3 set then you need more LLC not less (try high).

A lot of sandy bridge cpu's would freeze at the windows logo at around 47/48 multipliers without 'Internal PLL overvoltage' enabled. I would recommend starting at a lower multiplier and setting it for all cores rather than per core. Try something that should be fairly easy. Set VCore...

Definitely worth checking for bent pins, also non stop short beeps means it's not detecting any ram. What happens if you try one stick in slot 3 and one in slot 2/4?

one way you may be able to get it to work is if you bsel mod the x6800 from 1066 to 800MHz fsb. It should then boot but at a reduced speed (2.2GHz instead of 2.93). You may then be able to overclock it back to stock speed. I will try and find a picture of the mod in the morning when I'm not so...

The ecs site says that only the A2 version of the 945gc chipset supports 1066MHz fsb CPU's (like the x6800). You probably have an older version which will only support up to 800MHz fsb. The fastest CPU that board can support looks like the Core 2 Duo E4700.

It might. The lga1156 boards and CPU's were made before 8gb unbuffered DIMMs were available so they couldn't say it was supported. Plenty of people have 8gb sticks working on x58 boards (lga1366) and this person has 8gb sticks on a P55 board with an lga1156 i7...

There is no need to increase ring ratio or voltage above stock (barely any performance difference). There is no need for ring voltage or ratio to match VCore or core ratio. Also, no need to increase VCCIN until you go over about 1.3V VCore. Might be worth setting VCCIN LLC to maximum though...

Have you tried clearing cmos? Leave psu plugged in but switch off at wall, remove cmos battery, leave for 30 minutes then replace battery and power on.

It's z87x-ud4h

I contacted gigabyte and explained the problem, they sent me a newer bios version. After flashing the problem was fixed. I'm not 100% sure that is was the bios, I had previously manually set bclk to 100 and I think this may be the cause. Since flashing I have left bclk on auto and not...

You will still need the same core voltage you needed before for stability. Using manual rather than adaptive prevents the voltage from being increased further (to potentially unsafe levels, +0.1V) when the CPU is under certain loads e.g. Prime95. For this reason, you may actually need to set...

What is the core voltage currently set to and do you know what the BSOD error code was (probably either 124 or 101)? I'm assuming the crashes were during a stress test. If they were at idle, disable C3 and C6/C7. Yes it is better to work with one variable at a time. Not too sure on iGPU...

Clock for clock the i7 and i5 have identical performance in the same generation. The difference is that i7's have hyperthreading (slightly better performance with multi-threaded applications), a bit more cache and slightly higher stock frequency (not that stock frequency matters if overclocking).

You might be able to squeeze a 5820K into that 1k budget once Haswell-E has been released mid September. The 5820K is the cheapest Haswell-E CPU but still has 6 cores. The downside of this is that DDR4 is going to be expensive compared to DDR3 for quite a while. You will also need a new...

Just set them manually to target voltage, enable (not auto just in case) C1E and EIST (speed step) then go to power options in Windows control panel, change plan settings (whichever plan you are using) > advanced power settings > Processor power management and make sure minimum processor...

1.2V isn't going to do any harm but if you can go lower and stay stable then why not :) Once you are happy with the overclock it might be a good idea to do a longer stress test (e.g. Prime95 for 24 hours) just make sure that the core voltage is NOT set to adaptive. Other than that, well...

Unfortunately some Haswell chips just don't overclock very well. My 4770k is stuck at 4.2GHz 1.29V. There are a couple of things you can try: Manually set VCCIN (might be called something like input voltage on ASUS boards) to 1.8V and use the highest LLC setting. Manually set the Ring Bus...

I wouldn't try to reduce VCCIN any further, 1.8V is around stock anyway and it needs to be approximately 0.5V higher than the next highest voltage. It's probably best to manually set Ring Bus Voltage to prevent the board from increasing it. I would aim for 1.2V or below. If the CPU can't...

VCCIN looks like it's a bit higher than it needs to be as well as ring voltage. Have you tried about 1.8V with highest LLC setting? Also, seeing as ring bus has very little effect on performance it may be worth dropping it to about 40x if that allows you to reduce ring voltage a bit.

Those temps are well above the maximum temperature of that CPU (62 deg C). If you are hitting those temps at stock frequency/voltage then there is either something wrong with the mount, tim or the fan isn't spinning. You shouldn't need to buy a new cooler just to put a full load on the CPU...

Pretty much this, those capacitors are the same on any pci-e 3.0 card. On any pci-e 2.0 card they are 100nf. If it was anywhere else on the pcb then I wouldn't have a clue :) Was this after the damage? I would of thought that kind of damage would cause no video output immediately.

Unless there is further physical damage to the card then this is what's causing no video.

The capacitors are 220nf (0.22uf) using the 0402 package (for pci-e 2.0 they were 100nf). Anything rated above 5V should work. These should do the trick...

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Hi, I'm looking for either the active or passive backplate in the UK. They are out of stock everywhere at the moment. If you have one, I'm interested. Used or new.

Could also try a SATA to usb adapter and plug it in after windows has started, I use mine all the time for plugging in failing/failed drives.

I'm going to run memtest tonight but I'm leaning towards a faulty motherboard. The only other board I've had that became laggy when in the bios was a 680i board, it died pretty soon after. I've been on the current, latest uefi version for months but the problems started less than two weeks...

Thanks for the suggestions, re install seems to have fixed it. Edit: Nope, now getting about 2-3 fps in heaven after a cold boot. Also it sometimes takes a couple of attempts to post from cold. After the reinstall the first post and windows boot were very slow and bios screen was a mess (not...