It's actually the correct way to do it, as you spread the power evenly to the graphics cards instead of too much power being drawn from the molex or the PCI-E connector on the card. As the 2 PSUs are exactly the same, I do not care about different starting times. All molex connectors of the raisers go to PSU1, which is connected to the mainboard, the extra 2 molex on the mainboard, CPU power, and 3 of the RX Ans sometimes there was like 2 or 3 seconds between switching on the 2nd PSU.
And nothing burns. So for me this is working. If you are in doubt, go for 1 single PSU with watts. Someone earlier mentioned "noobs" using powered USB risers, etc. Ever since the Litecoin GPU mining days of people have used 2 power supplies and it works fine. They don't have to be started at the same time.
You can buy cheap little relay boards which will power both PSUs on together if you want but it's easy enough to just short the green start wire pin to ground in the ATX plug of the second PSU and just turn it on before you trun the system on. Ok, thanks again guys I only have one w power supply, so I will hook them all up, I appreciate the responses.
Well this should help you,pop over to Claymore thread at bitcoin talk and in last couple of pages you will see a pic of a burned out motherboard power connection caused by using none powered risers,motherboard pulled to much power through the board and wires could not cope,this is what can happen if you are not setup correctly,if he was using pro bitcoin board with extra power connections he would have distributed the power more evenly and better still using powered risers would have helped,he was told by experienced users to use molex power and powered risers,just because users here are getting away with not using correct methods for power with this board and getting away with it don't follow there example if you want to stay safe,lesson for everyone there,i have posted this here in hope others will find this useful if not sure what to do.
Well, the common denominator seems to be using two PSU's. Which i'd find a bit sketchy. No issues. That is true. The correct solution would be to use a PSU rated for the load required. Depends on the PSU. I use powered risers without the molex connectors. Search Advanced…. Log in. Category 1 Category 2 Category 3 Category 4.
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Aterwards, the system will automatically return to sleep state again. Upon waking up the system, you will ind the new mail that were sent to you during sleep state are already updated and ready to be read in Foxmail. Page Start8 3. Page 40 Conigure Conigure provides coniguration options, including icon sizes, which shortcuts you want Start Menu to display, quick access to recently used apps, the functionality of the power button, and more. Desktop Desktop allows you to disable the hot corners when you are working on the desktop.
It also lets you choose whether or not the system boots directly into desktop mode and bypass the Metro user interface. Not only will it make BIOS setup less diicult but also a lot more amusing. You may abort the tutorial by pressing "esc". Because the UEFI sotware is constantly being updated, the following UEFI setup screens and descriptions are for reference purpose only, and they may not exactly match what you see on your screen.
Disable to reduce power consumption. When the limit is exceeded, the CPU ratio will be lowered immediately. Conigure between module write to read delay from diferent DIMMs. Setting the voltage higher may increase system stability when overclocking. Setting wrong values in this section may cause the system to malfunction. Page Cpu Coniguration 4.
It is recommended to keep C3, C6 and C7 all enabled for better power saving. Intel Virtualization Technology Page Chipset Coniguration 4. Set to Auto to enable onboard HD audio and automatically disable it when a sound card is installed. Page Storage Coniguration 4.
AHCI: Supports new features that improve performance. Page Super Io Coniguration 4. Serial Port 1 Address Select the address of the Serial port 1. Serial Port 2 Enable or disable the Serial port 2. Page Acpi Coniguration 4. Check Ready Bit Enable to enter the operating system ater S3 only when the hard disk is ready, this is recommended for better system stability.
Set it to By OS to let it be handled by your operating system. Page Usb Coniguration 4. Intel USB 3. It is recommended to select [Smart Auto]. Page Tools 4. Page 68 Save User Default Type a proile name and press enter to save your settings as user default. Load User Default Load previously saved user defaults. Page Boot Screen 4. In fast mode you may not boot from an USB storage device.
Disable for faster boot speed. Select Legacy only to run those that support legacy option ROM only. You may also clear the user password. Supervisor Password Set or change the password for the administrator account. Page Exit Screen 4. Print page 1 Print document 75 pages.
Rename the bookmark. Delete bookmark? Cancel Delete. Delete from my manuals? The most up to date bios is from , nothing newer available from ASRock. A huge pain to deal with this mobo, not worth the hassle. Overall Review: The guy who said this doesn't work with 's doesn't know what he is talking about, at all. I have several of these running full banks of RX's.
I have had a bit of trouble with the Biostar mining boards, but these work beautifully for their intended purpose. Pros: I've already known. Just press "N" when getting error message "Please install 4-pin power cables". Cons: After trying 6 GPUs and failing, it now will only run with two with any stability. When a third GPU is added, it becomes very unstable.
Tried many things over weeks to isolate it down to this. Pros: Works well with multiple cards. You can enable on board graphics with graphics cards plugged in. Good size. Cons: Must plug in additional board power to use more than 2 cards even if you are using powered headers.
Not in stock very long. Sold by: Newegg Shipped by Newegg. This item is currently out of stock and it may or may not be restocked. Out of Stock. Add To List Found on 1 wish list. Are you an E-Blast Insider? Get Educated.
Fees for brokerage and duty included in price. Verified Owner. It gets sold out every time Overall Review: Gigabyte boards are thicker and more resistant, but I prefer to mine with Intel-based boards, because they seem faster and more stable at same price levels. Pros: It shipped in a box for less than three digits. Manufacturer Response:. For the issue that you having, please try following. Plugged 2 x Molex connectors to mainboard. Same test to the raiser cards and GPUs individually.
Pros: it works Cons: it goes out of stock Overall Review: The guy who said this doesn't work with 's doesn't know what he is talking about, at all. Nopphadon K. Just press "N" when getting error message "Please install 4-pin power cables" Cons: -. James C.
Good. Night LED will automatically switch off the Power and Keyboard LEDs when the system enters into Standby/Hibernation mode as well. Page H81 Pro BTC. 9. ASROCK H81 Pro BTC Manual Online: onboard headers and connectors, System Panel Header. Connect to the power switch on the chassis front panel. I have an ASRock H81 Pro BTC board and a new Corsair RM power supply. I have connected the pin ATX Power Connector (ATXPWR1) and the ATX 12V.