This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power. Pressing the power switch for more than four seconds while the system is ON turns the system OFF. Pressing the power button turns the system on or puts the system in sleep or soft-off mode depending on the BIOS settings. This connector is for the system power button. ATX power button/soft-off button (2-pin PWRSW).The speaker allows you to hear system beeps and warnings. This 4-pin connector is for the chassis-mounted system warning speaker. The IDE LED lights up or flashes when data is read from or written to the HDD. Connect the HDD Activity LED cable to this connector. This 2-pin connector is for the HDD Activity LED. Hard disk drive activity LED (2-pin IDE_LED).The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode. Connect the chassis power LED cable to this connector. The Hard-OCP review concludes.This 2-pin connector is for the system power LED. I really don't understand Intel's thinking here unless it's tied to a processor limitation (limited by a 36bit bus somewhere?) or it is to protect the market for server grade solutions.Įdit: I'm now pretty convinced it's a purely artificial, marketing lead restriction. You get diminishing returns with more that 4Gb RAM, but vastly more is supported. "Diminishing returns" above 64Gb is quoted all over the Web, but it's not a good enough reason to limit the cache to 64Gb. Running pure SSD with no HDD makes sense but if a spinning disk is present then more cache should always be better - it's nonsense to think that the user will do a better job of deciding which files benefit from placing on the SSD than a caching algorithm - and having another partition on the SSD just introduces the possibility/complexity that the cache will not perform as expected due to a conflicting read. It could be the management overheads, but that would suggest the Intel development team are incompetent there are plenty of examples of caching schemes that handle much larger amounts of cache (see any RDBMS where the RAM block caches can be multiples of that). Or over 64GB people rightly won't bother caching, as they can just run pure SSD. Over 64GB it may be that the overhead of managing the SRT cache would being impacting performance. And that is of course an option, and expensive option, but an option none the less. What you're advocating it seems is PURE SSD usage. You can't ever be better off not using the cache. I really don't want to have to RMA this mobo.Ĭommon sense, I'd hope- looking at SRT benchmarks the returns are limited, at say 128GB you'd be better off just making the entire SSD your boot drive. If anyone could help I'd greatly appreciate it. I've double checked the wire connections and tried just about everything I can think of. While I had it out i used a magnifying glass to check the pins on the motherboard and none of them seemed to be bent. ![]() I googled some possible explanations, including trying each stick of RAM in each memory slot, resetting the bios, switching out the PSU, and taking out the cpu and repositioning it. It turned back on by itself almost instantly and did the same thing, except this time the CPU-LED light stayed on. The fans turned on, the hard drive was spinning, but then it turned off. After careful installation, I went for the first boot. I decided to go with the ASUS P8Z68-V Pro motherboard, I5-2500k Processor, PowerColor Radeon 6950 2GB video card, Corsair Vengeance 8GB(4x2GB) 1600mhz CMZ8GX3M2A1600C9B ram. I recently ordered and built a new computer with hints from the March 2011 Ars Technica system guide.
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