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Ok, so I’m pretty good with Linux development programming so I wouldn’t think this would throw me for a loop. I unboxed  the motherboard and was pleasantly surprised that is had a upgrade. An onboard vga slot that the seller said it had not. Ok, I went ahead and inserted the appropriate Ddr3l ram and connected the 24 pin and four pin cpu connectors from the EVGA psu. I plugged my monitor into the vga and then turned the PSU on. The cpu I could hear powering up. But nothing is being displayed on the scree? Ism’t The BIOS preloaded? I tried to insert a graphi card after powering down and using the hdmi output to see if I could get videos. Power up, the GPU fans spins but still no graphicss to mod the BIOS. Is there something wrong with the board, or just me  ;D. I tried all sorts of configurations going as far Ass creating a boot drive for win 10. How can I tell if the BIOS is intact, and if. Or how do I flash the bios on this model

And what kind of memory is used? Recommended 1.35V
CMOS dumped?

So do you see anything when you give it power?  It sounds like you must, otherwise there's nothing you could do related to creating a boot drive.  If you're seeing the BIOS and can go into it, then the BIOS is fine - it would report a checksum failure if it gets corrupted.

If you are *NOT* seeing anything on the screen, when you power it up is it powering up and initializing your USB devices?  For instance, can you hit caps-lock on your keyboard and does the LED turn on and off on your keyboard?  If so, then it's probably something wrong with the monitor you're using, or the VGA port on the board.  The default CMOS setting on the D1800 is for it to use the internal graphics processor, so even if you plug something into the PCIe slot, it's not going to use it (default is for miners, not users).  The downside of this is that if there is something wrong with the graphics portion on the motherboard, you're SOL.

Flashing the BIOS is the same as any other device, format a FreeDOS floppy and run the batch file from the zip you download off of their site.

I use a ton of these boards, and they're a solid workhorse - never really had any problems with them yet...

My understanding - though I just bought 2 of these boards and they are still on the slow boat from China, so no experience - is that the onboard video does not work despite the presence of a port. So, you will have to use one of the mining GPUs to run a monitor, or else use remote monitoring with Team Viewer or the like.

Again, this is just my understanding from what I've read, but I am obviously invested in knowing the right answer as I will be using this board in the future.

did you plug power into the sata and molex slots?

they need power

Maybe you're getting some special OEM one, where they've remove it?  I have seen some where they removed the VGA connector, but obviously in that case he wouldn't have been able to plug in a monitor.  ;)  I use about 40 of these so far and the video out works fine on all of them.

And definitely follow what philipma1957 says, you need everything plugged in to make these boards happy.

Same thing happened to me when I first get mine so you probably do not need to worry about it. By default, in bios setting, it should be set to ON after power resumes. If not, set it to ON. You should see the cpu fan running the first time you connect everything. If not, unplug the 24pin mb power cable and plug in again.

Dunno - the description for the D1800 I bought (6 GPU) says, "Video interface: no,should use the video card"; it seems there are several different versions of this D1800, though, so who knows what applies to which.

Have you tried connecting to a LAN network and using remote desktop option to
seeing if you can view the system.It could be the VGA slot/port is bad so using
this option may fix it.More so, you can reset the board to clear cmos battery and bios settings.
Restart and check the outcome.

I plugged all the SATA ones in but not the molex. The molix says “power out” so I didn’t want to short circuited anything

yeah that is wrong .  they need to be plugged in.

just make sure  they are in the right direction.


and this shows  the onda b250  with  3 sata and 3 molex plugged in

https://bitcointalk.org/index.php?topic=2138550.msg23791180#msg23791180

I am running them and I ordered 5 more.

Tell you what  when I get the next 5 on monday the 8th of Jan

I will show it to you.  or you could go to this thread

https://bitcointalk.org/index.php?topic=2138550.0


and look for it.

I killed my first 1800 board by putting the molex in upside down

https://bitcointalk.org/index.php?topic=2138550.msg22933260#msg22933260


and here is one down correctly

https://bitcointalk.org/index.php?topic=2138550.msg22938750#msg22938750


i had another one sent to me
https://bitcointalk.org/index.php?topic=2138550.msg22966464#msg22966464



clear photo

https://bitcointalk.org/index.php?topic=2138550.msg23791180#msg23791180

Just an FYI: They released a bios that allows for 6 mining cards to run on this board, that does not error on no video. I have one of these with no video out and running 6 mining cards. It runs perfect with SMos, but only from an SSD. I have not found a way to get into the bios to setup boot from USB. The only thing I can think to do is boot from SSD and run an auto flash .bat to flash back to an older bios.
Bios version 202.rar (OBTBTC22.bin) will not show the bios at boot, but will now run 6 mining cards.

How do I know this, I flashed my board with OBTBTC22.bin.

https://i.imgur.com/HTevqysl.jpg

I have one of these boards coming for my 6 P106 mining cards currently running in a Rosewill mining server case, so what is the correct way to plug the molex connectors? Are they power out? Power in?


EDIT: Never mind, I read through some of the links you posted and found the answer.

Ok, so with everything plugged in it is still not working. I think it may have something to do with the 24 pin power. The USB ports aren’t providing power but the cpu fan is running, although fans for any gpu i plugg in run too. What is with the jumper pins next to the 24 pin power? Does this jumper need to be moved before operating board?

Okay, so my usb devices do not initialize when I turn the power on. The cpu fan turns on and any gpu I put in a pci-e slot powers up, but the keyboard and mouse are unresponsive and unpowered. My monitor recognizes that the power has been turned on but reads "no signal". The monitor works fine with everything else. So, I am assuming that there is either something wrong with the board or the PSU. I am not sure what is powered by the 24 pin connector directly vs all the SATA/Molex power supplies.

Nothing on my board works until the OS boots, and I mean windows 7 OS. When booting SMos I don't have console access, I can only manage Linux from SSH. I have only got an SSD to boot any OS.
My board behavior is very close to yours, it gives 1 beep and then boots from SATA (SSD OS drive).

If you don't get a beep, its not posting. This is most commonly a memory issue. The first memory module I used did this. I had to pull a module from my HP laptop which worked. Funny thing is both memory modules are the same spec, but different brands.

I don't have an Onda, but I assume it has a standard 12V input next to the CPU. Double check that connector and the PSU side if it's modular.

That's the number one thing that always gives me a black screen.

I just set one up today  I made a usb stick with smos

I connected 3 molex
3 sata
a 24 pin
a four pin for cpu
I am using a 16gb usb 3.0 stick
and for now 2 1080 ti's
 
pretty much flawless and you don't need to

access bios it was set to boot with a usb stick and fire the board up

flashing bios was not the way to go.

or maybe you got a dude.

this board is really easy to do a 3 card well spaced 1080 ti build

What bios version do you have.

Don’t mean to sound like a noob but what is involved in setting up the usb stick. What exactly are you putting on it file wise.

Hey - did you ever get your Onda board to display (BIOS or via card)??

I just got mine - the cpu fan spins up, but I don't get any display (nothing from the onboard VGA port, or the 1060 GPU).  Im stuck!

I got mine (6 GPU version)) to work - it turns out the onboard VGA port is, in fact, the one you have to use (at least on initial setup). The other thing that is critical is you have to use a 1.35V DDR3L SODIMM. I booted a Win10 ISO from USB then installed to a spare 320GB HDD I had laying around gathering dust for the last 10 years... Surprised it worked, actually, but it does.

That's great to hear!

I confirmed that I have the 1.3V DDR3L SODIMM 4GB RAM (I have two that I tried).
I got all 3 sata, 3 molex, 24pin mobo and 4pin power all plugged in.  When I turn on the cpu fan spins up (stays spinning) and the win10 usb boot thumb drive I have has the light on it turn on (although it stays on - no flashing like usual to indicate reading).

The keyboard also doesnt light up (caps lock and other lights dont flash) so I dont know if the usb's are initializing  correctly (odd that the usb drive light turns on, but the keyboard doesnt power).

Anyone know what the jumper settings can do with the 6 card Onda?

Hmm... there aren't any jumpers that need to be messed with, really. To clear the CMOS you press the button to the left of the ethernet/USB port housing; you might want to try that, actually (maybe a few times...).

Thanks for the suggestion - I tried the cmos clear button and still the same (non-)result. 

At this point I'm going to try another power supply, then just return the thing.  Thanks for the help!

plug a monitor in vga. had same prob.

I'm surprised as many people are having issues with it - I've got probably 100+ of them and haven't had a single issue so far.  Does it beep when it boots?  Prior to the bios being displayed, all of mine beep - so if you're not hearing that, it might not even be making it to the point that the video would be initialized.  You might also try forcing it to beep - normally if you boot with the memory removed, that will cause a POST beep to help you identify the issue, no post beep, then the board is probably no good.

I have more than 100 D1800 boards running on my farms, and I upgraded their BIOSes days ago.
there are 3 BIOSes which you can download from their official website, the latest one is actually the VGA-display-only one, whatever kind of cards you plug on it, it will always output the signal by VGA, you should try it and it works like charm with KVM.
My rigs are on P104-100, P106-100, 5704, 5708, all of them are running perfectly with it.

Sorry for no support website in English.

http://www.onda.cn/MotherBoard_Supports.aspx?id=369

P.S. 3 BIOSes:
"默认打开PXE ROM 选项，修正WIN PE 兼容" means "opened PXE ROM option by default, fixed compatibility with WIN PE"
"更正上专业矿卡/带输出矿卡，板载VGA 无输出状况.更正上UEFI PXE 无盘，无法进系统问题。" means "fixed if video card installed/not installed, VGA doesn't work , fixed if no disk found in UEFI PXE, system halt."  <-- I think this is the problem you met.
"修正和VEGA SERIES 显卡兼容性问题" means fixed compatibility with VEGA series cards

Must be a new batch having issues? I'm having the same problem black screen problem and it doesn't go to bios.
No beeps and I've tried two different power supplies (EVGA GQ 1000W). I'm only able to get the keyboard to flicker once psu is turned on.

I also purchased 3 boards with none of them able to post BIOS.
Serial Number 0493-0495 is my batch.

Well add me to the list with a new D1800 that does not post.

No Lights on keyboard.
Reset a few times.
No beeps, well the mb speaker clicks once but I can barely hear it.
Removed ram and powered up and still no beeps, EVERY motherboard I ever had would beep with no ram if it had an onboard speaker.
Tried a GTX 650 as my video source, still no video.
Also tried two different power supplys.

All it does is turn the cpu fan on and the chassis fans when I had it in its case, and only the cpu fan when it was not.

D.O.A.   >:(

Hello all, thanks god I found this post. Both few weeks back this motherboard from here. https://pccomponents.co/shop/computer-systems/components/motherboards/onda-d1800-btc-mining-motherboard-support-6-cards have exactly same problem please help! I pretty new to this mining I mined few years Litecoins on my older computer everything whose fine. So I decided to upgrade my motherboard with this one as I have spare video cards. I`m trying to run it on windows.

Right. I'm having one of those moments. Damn thing refuses to boot Win10 after gpu install. I've connected everything, and it's a 1600 EVGA psu, so plenty headroom.

Without a gpu win10 boots up beautifully, but adding a gpu to the 2nd or third slot gets me a bios splash, then backlit black. I've tried different pcie cables to the gpu already, this is a fresh install, so no old drivers.

I'm currently assuming it's either a bad gpu (possible) or more likely a bios setting somewhere - anybody have any bios ingenuities to share?

Have you supplied power to all 6 of the molex and sata connectors on the mobo? It won't work without *all* of them powered up. And yes, the molex connectors are labeled incorrectly as power outputs.

Yes all sata and molex ports were supplied power.
I read everything about the motherboard on here and I was supposed to at least get a beep, but nothing at all except the cpu fan spinning.

I have, all board power is connected and triple checked, 3 molex, 3 sata. Bios reset with gpus in a slot gives me an A2 error. Have removed usb and lp1 connectors in case of short. no dice.

Have fiddled with disabling onboard graphics/setting gpu as primary, tried peg and pcie. Still get bios screen, code 99 bottom corner, then backlit black. Will try another gpu later, but pretty certain it's a bios setting! <bangs head on wall>

Edit: Tried a variety of other rx570s, all have same effect. Win10 boots without gpus. With one or more added, black screen. Specifying 'ssd' instead of 'hdd' gets the same, but with a white underscore on black screen.

I have a ONDA D1800 BTC that I got running using the VGA out and installed an operating system. I tried updating the BIOS to the latest Vega update which went fine, I reset and now I get the POST short beep but no video out through the VGA. Other than no video it seems fine, the OS starts up, I can still ssh into it but I'm not getting any video out. I've tried clearing the CMOS which I'm not exactly sure how to do (reset button in back? blue jumper? remove battery?) but I never get the long beep (I think that's the reset beep?) I'm stumped, anyone have any ideas?

I wish I could help you guys having trouble, but aside from not getting the correct memory the first time (Amazon's fault, not mine), and wasting time trying to use one of the GPUs to drive a monitor because the Aliexpress listing specifically said onboard video was disabled (it wasn't, and had to be used, actually) I haven't really fiddled with mine and only once checked the BIOS settings but didn't change any.

I can tell you that a code 99 during boot usually means some critical piece of the mobo hardware isn't working. Perhaps the PCIe bus expander or the like. This would likely be a fatal error unless you can find something set wrong in the BIOS (but, to reiterate, mine was set perfectly for its intended task as a miner).

@Fuzzy Kittens - your issue could be from the new BIOS changing the default video adapter from onboard/integrated to external/PCIe.

@ MagicSmoker - That solved it! Thanks for the hint! Just need to figure out how to get all the GPUs detected by xmr-stak! :D

Finally got the new ram in from the seller in China, Lunar new year delayed it.

The new ram works!!

This is the ram that worked.

https://i.imgur.com/prE8Tbq.jpg

It boots and I have video with the IGPU.

https://i.imgur.com/e6mVO7a.jpg


Won't have time to really do anything until this weekend but I was just wanting to try the new ram to see if thats the problem and it was.

So the new bios update has VGA turned off by default?  I need to try pcie for video?  I have one board no issues 6 cards. Other board could never get 6 cards to have drivers install. So updated bios and went fine. But now no display. Seems like its turning on just no video.

Can anyone please help me with bios settings for Onda D1800 for pcie? I updated to newest bios and it will only read 3 of the cards. I set to default and changed 4g to enable and default video to VGA internal graphics. Also tried optimized defaults and didn't work.

I have this mb without SVGA output and was flashed OBTBTC22.bin bios.
So, for rollback just pull off all your usb/msata/sata drives and make dos usb flash.

Add to AUTOEXEC.BAT:


F.bat is:


Your mb shoud be flashed and powered off. Just wait.

P.S.: shutdown.exe you can find in ONDA D1800BTC 201.rar (http://ftp://ftp.onda.cn/download/bios/d1800%20btc/ONDA%20D1800BTC%20201.rar) file.
GL

My d1800 board has just arrived.

Looking at bios I noticed only 4 gpu pcie settings displayed ‘0-3’

Shouldn’t there be 6? Ie 0-5?

My board is also missing the gpu express slot plastic locking clips.
I’m worried I’ve been sent junk/reject unit.

I’ve tried running on smos and but no luck. Bios is about as far as I can go.

Nope.

Card locks should be present to fix your cards on pci-e slots.

Hi, I have D1800 BTC without onboard VGA connector. On it there is 1.00 BIOS, what is the best BIOS to load? Is available a simply HOW TO to do the upgrade.

Cheers W M

If you got the version without onboard VGA (like me) get the "101" bios available here: http://www.onda.cn/MotherBoard_Supports.aspx?id=369

Don't go for the 202 or you'll have a blank screen and will have to flash back blindly.

I see there's a bios that "fixes Vega compatibility" but I haven't tried it, I don't know which board it's for and personally I use 6x Vega 56 (flashed to 64) using bios 101 and they work perfectly.

Thanks a lot

W_M

need a proper way to flash the bios back to the origanl the mobo was just working before i flashed the onda d1800 btc with slic 2.4 bios mod now i get six fast beeps when i cut on the power with now video disable either with onboard or pcie.... the BIOS Flash back i dont think works on the mobo or at lest when i tried the usb flash drive would blink like twice and then turn off.....