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Question DS412+ not booting: serial console shows EFI Internal Shell missing boot devices, but EFI partition on internal storage seems intact

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Is there a link you know off with the process needed to follow for this, i only see for me that the 2014 RS2414+ is newer using the same cpu. Also i cant see the supported list for 7.2.2 if you know of that as im assuming you are saying the 2014 models support it but the 2013 and lower dont as im only seeing up to 7.1

To my knowledge your options for a DS1513+ based on D2700 (Cedarview) are either RS814+/RS814RP+ or RS2414+/RS2414RP+. However, those will unfortunately only take you to DSM 7.1.1-42962...
 
Is there a link you know off with the process needed to follow for this, i only see for me that the 2014 RS2414+ is newer using the same cpu. Also i cant see the supported list for 7.2.2 if you know of that as im assuming you are saying the 2014 models support it but the 2013 and lower dont as im only seeing up to 7.1
My error. Only up to 7.1.1 for this model. But not much difference in 7.2. But if you know Linux. You can change the CPU info. Skies the limit with these. Now. I think they don't allow links here. But on my reddit page is process in written form. I'm synology_service there. Below is a copy past of the 1515+. But the rule applies to all older models.
I personally use a donor file, and just mod the mac and serials with checksums, and build the eDOM from there.
The written form I don't use, as for me mine is easier to use.
But below is the written form.
There is alot of info online too.
OK here it is using "tiny redpill" format:

STEPS:

  1. Login into NAS using the Putty Utility
  2. Make yourself the root by executing:
sudo -i

3) mkdir /volume1/1

4) cd /volume1/1

5) Upload using DSM one pat files. One DSM_DS1515+_43962.pat to directory 1

6) /volume1/1# python3 sae.py -k SYSTEM -a DSM_DS1515+_42962.pat -d

Change the version of the DS1515+ Bios from M111 to M9111

7) /volume1/1# cp ./bios.ROM ./bios.ROM.orig

8)/volume1/1# echo "40B010: 39" | xxd -r - ./bios.ROM

Update the bios with the modified file

9)root@test:/volume1/1# ./updater -b .

Change the synoinfo.conf file to 1517+ for the device

10) /volume1/1# sed -i 's/unique="synology_avoton_1515+"/unique="synology_avoton_1517+"/g' /etc.defaults/synoinfo.conf

Now you are ready for the update to DS1517+

Manually download the latest DSM 7.2.1 and safe it on your computer.
Goto: Synology Download center. And grab the PAT file for DS1517+ Version 7.2.(69057).

Save the file inside your computer (Not the NAS)

This is the file that you will use for the manual update.

12) Open the DSM Control panel and Goto "Update & Restore'

r/synology_service - WANT TO MAKE A DS1515+ TO A DS1517+ TO GET THE LATEST UPDATES?

Then after you click select Manual Update

r/synology_service - WANT TO MAKE A DS1515+ TO A DS1517+ TO GET THE LATEST UPDATES?

Select the name and the directory of the DS1517+ file that you have downloaded from the Synology Website

The filename is DSM_DS1517+69057.pat

ENJOY!
 
I have a DS1512+ after a software update (Release Notes for DSM | Synology Inc. )
I have a blue LED flashing and the LAN LED is also flashing
I can still read the DOM/USB on a PC with Windows and Linux
I have 2 partition on the DOM and the data can be read
Does anyone have an idea to get my DS1512+ working again?
Hello teo, I have exactly the same problem as you. My NAS is currently completely disassembled in the workshop. I was hoping that replacing the CMOS battery on the mainboard would improve things. The old one was actually completely flat. Unfortunately, replacing it didn't help. I also measured all the voltages from the power supply. Nothing conspicuous, both fans start... I disconnected the rear controller for USB/network, the power supply for it too... I tried restarting with CMOS battery and also without, no matter... the PowerLED flashes, that's all.
I also unplugged the small SUB board plugged into the mainboard and removed the memory... actually tried everything you can try... The blue LED flashes, that's all. Have you found another idea or solution in the meantime? Synology will certainly no longer support this, at least that's what you read everywhere... /Greetings arcade
 
Hello teo, I have exactly the same problem as you. My NAS is currently completely disassembled in the workshop. I was hoping that replacing the CMOS battery on the mainboard would improve things. The old one was actually completely flat. Unfortunately, replacing it didn't help. I also measured all the voltages from the power supply. Nothing conspicuous, both fans start... I disconnected the rear controller for USB/network, the power supply for it too... I tried restarting with CMOS battery and also without, no matter... the PowerLED flashes, that's all.
I also unplugged the small SUB board plugged into the mainboard and removed the memory... actually tried everything you can try... The blue LED flashes, that's all. Have you found another idea or solution in the meantime? Synology will certainly no longer support this, at least that's what you read everywhere... /Greetings arcade
Just goto eBay. And buy a "MICRON 2GB 9-Pin USB Flash Drive DOM USB (Small 9PIN). Change the pid/vid on it to Synologys view. So F400 for PID/VID. Copy your old DOM module to your new.
And you just fixed your NAS to last 10 more years. Or if you know how to solder good. Just replace the controller chip on that little module you took off. Shod say USBEST or Phison on it.
 
Just goto eBay. And buy a "MICRON 2GB 9-Pin USB Flash Drive DOM USB (Small 9PIN). Change the pid/vid on it to Synologys view. So F400 for PID/VID. Copy your old DOM module to your new.
And you just fixed your NAS to last 10 more years. Or if you know how to solder good. Just replace the controller chip on that little module you took off. Shod say USBEST or Phison on it.

Just goto eBay. And buy a "MICRON 2GB 9-Pin USB Flash Drive DOM USB (Small 9PIN). Change the pid/vid on it to Synologys view. So F400 for PID/VID. Copy your old DOM module to your new.
And you just fixed your NAS to last 10 more years. Or if you know how to solder good. Just replace the controller chip on that little module you took off. Shod say USBEST or Phison on it.

Hi Elextrixman, that sounds exciting. Can you please tell me a little more? Is the error pattern that clear? What happened to my NAS? I let it reboot cleanly once a week via CRON. Since last Monday I have had this blue flashing phenomenon and am at a loss...

I have searched for the module on ebay and can only find “used” offers here in Germany from a seller “linheng2012” from China, e.g:


Is that the part you mean? Even if I order it, I'm still not sure what exactly I'm supposed to do with it. What do you mean by “Change the PID/VID on the flash drive to the Synologys view. So F400 for PID/VID. Copy your old DOM module to your new one.” It's not a USB stick? Do I need an adapter cable to connect the FlahsDrive to my PC, or do I have to remove this small board from my NAS and replace it with this part and copy the data from the old module to the new one?
Thank you for your help :-)
Best regards from Germany
 
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Hi Elextrixman, that sounds exciting. Can you please tell me a little more? Is the error pattern that clear? What happened to my NAS? I let it reboot cleanly once a week via CRON. Since last Monday I have had this blue flashing phenomenon and am at a loss...

I have searched for the module on ebay and can only find “used” offers here in Germany from a seller “linheng2012” from China, e.g:


Is that the part you mean? Even if I order it, I'm still not sure what exactly I'm supposed to do with it. What do you mean by “Change the PID/VID on the flash drive to the Synologys view. So F400 for PID/VID. Copy your old DOM module to your new one.” It's not a USB stick? Do I need an adapter cable to connect the FlahsDrive to my PC, or do I have to remove this small board from my NAS and replace it with this part and copy the data from the old module to the new one?
Thank you for your help :-)
Best regards from Germany

Yes, the part you have listed is confirmed working.

The PID/VID of the DOM has to be changed to F400/F400 in order to be found during boot.

The DOM can be read using an USB breakout cable with male connectors by connecting +5V, DATA-, DATA+ and GND to pin 2, 4, 6 and 8 respectively on the DOM. It should then be reachable and read/writable like a normal usb stick.
 
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Yes, the part you have listed is confirmed working.

The PID/VID of the DOM has to be changed to F400/F400 in order to be found during boot.

The DOM can be read using an USB breakout cable with male connectors by connecting +5V, DATA-, DATA+ and GND to pin 2, 4, 6 and 8 respectively on the DOM. It should then be reachable and read/writable like a normal usb stick.
OK, I've ordered the part. I wonder how long the delivery to Germany will take and whether a working module will arrive here. I would have preferred to buy it new and not used, but I can't find any offers for new modules.
I googled PID / VID:
Vendor IDentifier (VID) is a unique code that identifies the manufacturer of a device.
Product ID (PID) is a unique code that identifies the product.

Would this be a suitable cable:
...or do you have a better cable that you could recommend?

And now comes the more interesting part for me...
How exactly do I change PID/VID to F400/F400? Can I do this with a Windows computer, do I need Linux, for example, and have to do it using cryptic shell commands? Also the readout? Does this work via the Windows file manager after the old module is accessible via USB? ... and then simply copy it to the PC-HDD, then plug in the new module and transfer the copy there? :-)
I suspect it won't work quite that easily...

What we are describing here, especially with regard to PID/VID => F400, actually works for a DS1512+?
I'm asking again explicitly because this thread is actually about the DS412+ model.
 

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Hi Elextrixman, that sounds exciting. Can you please tell me a little more? Is the error pattern that clear? What happened to my NAS? I let it reboot cleanly once a week via CRON. Since last Monday I have had this blue flashing phenomenon and am at a loss...

I have searched for the module on ebay and can only find “used” offers here in Germany from a seller “linheng2012” from China, e.g:


Is that the part you mean? Even if I order it, I'm still not sure what exactly I'm supposed to do with it. What do you mean by “Change the PID/VID on the flash drive to the Synologys view. So F400 for PID/VID. Copy your old DOM module to your new one.” It's not a USB stick? Do I need an adapter cable to connect the FlahsDrive to my PC, or do I have to remove this small board from my NAS and replace it with this part and copy the data from the old module to the new one?
Thank you for your help :-)
Best regards from Germany
How odd. My Synology partner is in Germany. LOL! As we are the only service centers for Synology on the planet. See attached pics. All this is really on public. So here's what you do. Buy one from linheng2012 as i buy alot of those used. But all the ones I got from him(over100) all were tested as new. Or almost new. You can do that test too. The test is simple. Download HDDguru's HDDRAWCOPY tool. Connect the eDOM as in pic with a home made iphone cord. To pins in pic. And if it takes less then 10 secs to read that 125meg file off you eDOM module. It is still like new. When they get old like yours. They get super slow. Can take 2 minutes just to read one of these modules. And when the NAS boots there is a timing window for all to fall in line. And with this slow thing, it gets stuck in error, and won't boot. How to fix. First and before anything you do. Copy your old eDOM with HDDRAWcopy tool at HDDGURUS website. . The eDOM is really a simple usb drive. YES it is a thumb drive but with 10 pins. Like a thumb drive. Only 4 pins are used. The rest are just mount holders. And the pic shows a simple made connector.

2) Option. Replace controller chip. The 48 leg USBEST, or PHISON chip. After that just copy your old file from the PC to it and your done.

3) Option. What I do here in the shop is. I buy that ebay one. I first copy the old eDOM with the HHDrawcopy tool. Get a eDOM from the ebay guy. Now Synology can only see VID/PID F400 as its boot drive on the system. And the eDOM is not. As its after market. Now goto flashboot.ru and download the matches tool for the controller chip that is on your new eODM. And that eBAY sells all SMI controllers on his eDOMs.. Now connect your eDOM to your PC. An use the flashboot tool. And the tool I use from flashboot is "SMI_SM3257EN_v2.03.37_110317". For all the ones he has. After the tool is done. And F400 on that new module. Copy your old eDOM file over to it with RAWCOPY. And you are done.

About VID/PID. In any computer. Like windows or apple. All devices are seen by your computer by name, and buy driver used. Same as the NAS. As the NAS is really a very basic low end micro PC.
 

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How odd. My Synology partner is in Germany. LOL! As we are the only service centers for Synology on the planet. See attached pics. All this is really on public. So here's what you do. Buy one from linheng2012 as i buy alot of those used. But all the ones I got from him(over100) all were tested as new. Or almost new. You can do that test too. The test is simple. Download HDDguru's HDDRAWCOPY tool. Connect the eDOM as in pic with a home made iphone cord. To pins in pic. And if it takes less then 10 secs to read that 125meg file off you eDOM module. It is still like new. When they get old like yours. They get super slow. Can take 2 minutes just to read one of these modules. And when the NAS boots there is a timing window for all to fall in line. And with this slow thing, it gets stuck in error, and won't boot. How to fix. First and before anything you do. Copy your old eDOM with HDDRAWcopy tool at HDDGURUS website. . The eDOM is really a simple usb drive. YES it is a thumb drive but with 10 pins. Like a thumb drive. Only 4 pins are used. The rest are just mount holders. And the pic shows a simple made connector.

2) Option. Replace controller chip. The 48 leg USBEST, or PHISON chip. After that just copy your old file from the PC to it and your done.

3) Option. What I do here in the shop is. I buy that ebay one. I first copy the old eDOM with the HHDrawcopy tool. Get a eDOM from the ebay guy. Now Synology can only see VID/PID F400 as its boot drive on the system. And the eDOM is not. As its after market. Now goto flashboot.ru and download the matches tool for the controller chip that is on your new eODM. And that eBAY sells all SMI controllers on his eDOMs.. Now connect your eDOM to your PC. An use the flashboot tool. And the tool I use from flashboot is "SMI_SM3257EN_v2.03.37_110317". For all the ones he has. After the tool is done. And F400 on that new module. Copy your old eDOM file over to it with RAWCOPY. And you are done.

About VID/PID. In any computer. Like windows or apple. All devices are seen by your computer by name, and buy driver used. Same as the NAS. As the NAS is really a very basic low end micro PC.
Hi Elextrixman,
first of all, thank you very much for your detailed description of the problem and your patience, thank you also for the photos. Not everything is clear to me yet, but I contacted linheng2012 by mail this morning
and asked to increase my order by 2 more modules to be on the safe side. The delivery time here to Germany... well, it will take a while now. But I'm not giving up yet and will try to replace this USB module
with the help of your instructions. Please don't hold it against me if I still have one or two questions or need a recommendation.
I have already screwed my NAS back together, but I will disassemble it again next week to get to this small USB module and read it out with this HDDRAWCOPY tool before the spare parts are delivered.
I will order another iPhone cable and try to get this connector for the board.

=> What is this small connector called or do you have a link for me where I can order the right one to solder it to the iPhone cable?

In the meantime, I'll download this HDDRAWCOPY tool... For the sake of completeness for this thread, I will upload a photo of my Synology mainboard with this USB module here,
simply to show other readers what an “inconspicuous” module we are talking about here.

Again for understanding:
I can read out the old module with HDDRAWCOPY and then write to the replacement module? After the new module has been loaded with the saved eDOM software, does the new module already have the VID/PID F400,
or do I need a second piece of software to adapt these values to the new module accordingly?

Thanks again, I'm really looking forward to seeing if I succeed with this repair.
Have a nice weekend/arcade
 

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Hi Elextrixman,
first of all, thank you very much for your detailed description of the problem and your patience, thank you also for the photos. Not everything is clear to me yet, but I contacted linheng2012 by mail this morning
and asked to increase my order by 2 more modules to be on the safe side. The delivery time here to Germany... well, it will take a while now. But I'm not giving up yet and will try to replace this USB module
with the help of your instructions. Please don't hold it against me if I still have one or two questions or need a recommendation.
I have already screwed my NAS back together, but I will disassemble it again next week to get to this small USB module and read it out with this HDDRAWCOPY tool before the spare parts are delivered.
I will order another iPhone cable and try to get this connector for the board.

=> What is this small connector called or do you have a link for me where I can order the right one to solder it to the iPhone cable?

In the meantime, I'll download this HDDRAWCOPY tool... For the sake of completeness for this thread, I will upload a photo of my Synology mainboard with this USB module here,
simply to show other readers what an “inconspicuous” module we are talking about here.

Again for understanding:
I can read out the old module with HDDRAWCOPY and then write to the replacement module? After the new module has been loaded with the saved eDOM software, does the new module already have the VID/PID F400,
or do I need a second piece of software to adapt these values to the new module accordingly?

Thanks again, I'm really looking forward to seeing if I succeed with this repair.
Have a nice weekend/arcade
I will give you more replies later. But the apple usb is only used as an example. If you have any usb cord you can cut to wire. That will do.
 
Is that a hole in the chip? Or a error in the pic?
Almost looks like an error for the dot for pin 1 on the chip. LOL!
 

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Quick last question? Have you hooked up on the serial port before. Just needed to confirm this. And that only 1 Syno boot option was on the putty screen?
 
Is that a hole in the chip? Or a error in the pic?
Almost looks like an error for the dot for pin 1 on the chip. LOL!
Thats a good question..
1738432742306.webp

thats the best resolution from the picture... This is the first time I've seen what you noticed. The NAS ran error-free from 2012 until the last reboot on January 27th, 2025... strange...
 
Quick last question? Have you hooked up on the serial port before. Just needed to confirm this. And that only 1 Syno boot option was on the putty screen?
No, I haven't tried that yet. I disassembled the NAS for the first time last Wednesday and saw the motherboard in this form. As I wrote, I actually just wanted to replace the backup battery... These are things that I should try next week... I don't have a serial cable like that yet. So far I have only used the Syno for its actual purpose, i.e. storing data. I also connected the two expansion modules, each with 3 and 4 TByte HDDs, as normal, all in a Raid5 network, and have never had any problems so far. I mean, gear can't access the serial interface from the outside...
 
No, I haven't tried that yet. I disassembled the NAS for the first time last Wednesday and saw the motherboard in this form. As I wrote, I actually just wanted to replace the backup battery... These are things that I should try next week... I don't have a serial cable like that yet. So far I have only used the Syno for its actual purpose, i.e. storing data. I also connected the two expansion modules, each with 3 and 4 TByte HDDs, as normal, all in a Raid5 network, and have never had any problems so far. I mean, gear can't access the serial interface from the outside...
OK. Before you buy or do anything.
Lets find out why this chip has a hole? LOL! All I need is a better resolution pic. As it could be an exaggerated PIN 1 mark.
 
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OK. Before you buy or do anything.
Lets find out why this chip has a hole? LOL! All I need is a better resolution pic. As it could be an exaggerated PIN 1 mark.
All clear :-), next week I'll disassemble the NAS again and take a separate photo of the chip. What is it good for anyway... the "hole", if there is one, looks so symmetrical... as if it was deliberately manufactured or stamped on an industrial scale... is perhaps the modern form of chip air cooling :-)

1738436592457.webp

It's quite possible that this is normal too...
 
All clear :-), next week I'll disassemble the NAS again and take a separate photo of the chip. What is it good for anyway... the "hole", if there is one, looks so symmetrical... as if it was deliberately manufactured or stamped on an industrial scale... is perhaps the modern form of chip air cooling :-)

View attachment 21964
It's quite possible that this is normal too...
LOL! Its normal. LOL! Why I mentioned it might be a exaggerated PIN1 marker on the chip. I just realized. You really need to see that serial port side. Now if you want. You can have both setup in case one doesn't work. You see. The serial side will actually tell you its the eDOM with only 1 boot choice in the menu. Can we try something. Will you boot your motherboard with the eDOM off it? And coin cell too. And also plug into a LAN port. And see if Synology Assistant sees it? As you do have syno one built in the bios to boot.
 
So get that $2 serial to USB adapter on eBay. Then you will know what's wrong.
Also attached what the serial side shows for good and bad one. Good always has 2 boot options.
Bad has only 1. And its shell with only a handful of commands.
 

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So get that $2 serial to USB adapter on eBay. Then you will know what's wrong.
Also attached what the serial side shows for good and bad one. Good always has 2 boot options.
Bad has only 1. And its shell with only a handful of commands.
Hi Elextrixman, sorry I'm just getting back to you now.
I ordered the serial cable: PL2303HX Kabel FTDI USB to TTL Konverter Modul Adapter Arduino zu UART RS232 Neu | eBay
I ordered it shortly after midnight last night and it should be delivered by February 20th. I have also already ordered 3 of the “MICRON 2GB 9-Pin USB Flash Drive DOM USB (Small 9PIN) in total and to be on the safe side. The delivery date will be confirmed with : Fri, Mar 07 - Fri, Mar 21.
As soon as the serial USB adapter arrives, I will:
1. disassemble the Synology again
2. take a better photo of the “chip with a hole” :-)
3. equip my laptop with SecureCRT and try to read the boot process on the serial port or have it written to a file and
4. try to read the small USB module using HDDRAWCOPY

As soon as I have any findings or encounter any problems, I will post them here in this thread. I am curious :-).

If you look at the photo of my motherboard again, can you tell me where I can find the serial port? Is it that 6-pin jumper connector at the bottom right?

Again for understanding:
I can read out the old module with HDDRAWCOPY and then write to the replacement module? After the new module has been loaded with the saved eDOM software, does the new module already have the VID/PID F400,
or do I need a second piece of software to adapt these values to the new module accordingly?

Thank you very much and have a nice week
Best regards/arcade
 

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