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With my 7970m I disabled PCI-E 3.0 (my sig is outdated) which also gained me 2 BCLK. 3.0 doesn't make a difference without SLI so no harm done. You should be able to do this as well without having...

So the current plan is to just use MDU1512 chips across the board. Maybe put MDU1511 chips in for the pull-down.

Anyone like the LN2 guys who modify voltage regulation circuits have any input on...

I don't think it's the VRM itself since if I neglect the FET cooling the turbo cycling happens at much lower power draw. Also I added a copper plate onto the VRM that the CPU air intake sucks air in...

So here's my motherboard's CPU voltage regulation schematic:

http://i.imgur.com/TKugW6i.png

Now that looks like a decent 3-phase setup, but unfortunately those nice FETs are not the ones that...

:(

Can't be overclocked without desoldering a flash ROM chip.

You need to mod the ME FW to enable BCLK overclocking, which can only be done on certain laptop brands without a programmer tool.

If you're really serious about this tell me your laptop brand and...

The process is if anything worse, not better since SOI was dropped. I would vote for worse. The benefit of dropping SOI is it simplifies design and manufacturing complexity. SOI kills off all leakage...

They don't. What they're saying is that AMD has gotten so bad at CPUs they might as well save the money and focus it all on GPUs instead. People don't test Intel CPUs to see if they beat their...

The 28nm process looks just as fast as the 32nm SOI looking at anandtech's numbers. It's only 1 sample, but it looks like the clock speed drop due to increased power draw due to now having transistor...

Have you tried XTU? It works for many computers besides those with intel motherboards (notably most high end laptops). XTU actually does a mini BIOS flash when used (to the NVRAM), so after running...

So what card are you thinking of to replace the 4890? I know this is the AMD forum but have you looked at Nvidia? My understanding is they are a bit better performance for the cost right now for...

Well "on time" if you consider Feb '14 on time, which most people don't. AMD delays everything CPU side though so in a way it is on time for them.

Hmm I just see few laptops supporting quad channel. Remember APU laptops, even the top ones, are budget laptops. There's limited space to add 2 more memory slots and the necessary signal routing to...

expresscard has both USB 2.0 and PCI-E x1 wiring. Depending on the laptop the PCI-E will run at either PCI-E 1.1 or PCI-E 2.0 speeds for either 500MB/s or 1GB/s throughput. A cheap adapter will...

The main problem I see with quad channel memory is that people then need 4 memory sticks. While this is not a big deal for desktops, only high end laptops with dGPUs have 4 slots.

Unless maybe AMD...

The PCI-E link speed will often downclock when the performance is not needed. Run the gpu-z render test or anything else that stresses the card and observe what gpu-z says while that is running.

Why the much slower memory speeds on the intel systems? 1600 -> 2133 is going to make a difference.

Same here. Much nicer to run a bat than manually enter MSR values each time. (crystalcpuid method)

My bat:

c:\tools\msrtweaker\x64\amdmsrtweaker P0=32@1.2 P1=27@1.0425

Well I just tried out the tool on my apu laptop. Works great and saves a bunch of time lowering voltages.

Have you tested the PSU while it is trying to power the system? It might still put out the right voltages when unloaded, but fail to do so when loaded. If that's not the problem then I would think...

Well that explains why I could never find the bit in the BIOS. I was thinking that it was similar to the MSR 0x610 bit 63 lock to prevent TDP changes on sandy bridge systems, which is completely made...

The BIOS does lock the CPU. The problem with engaging the top boost bin is not TDP, but the silly restriction that 2 cores must be in C6. With the boost lock disengaged though this restriction can at...

All my attempts to disable APM also disabled turbo, including bit 7 D18F4x15C.

There is no program that does it properly, so you need to do it directly with PCI config space writes. I use BAR-EDIT. The way the method works is you just limit the number of P-states the processor...

How to use MSRs to change CPU voltage on trinity (and maybe others). I'm not sure how this tool works exactly, but just stating what I found to be useful when editing MSRs myself.

MSR 0xC0010064...