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Yes. Since it doesn't boot. No need to fix eDOM. I attached what the service center uses for eDOM files and editing.Thanks. I will leave it for now as I cannot power it up anyway
Actually we put 4G Max for this model. Its undocumented for public. And can support up to 1600 Speed. And there is a selection bit to change the CPU controller to not under clock the 1600 to 1066. Any more ram then 4G is a issue for channeling lanes of the CPU, and causes veery high CPU usage, and a very slow NAS. Undocumented are many of these. Like the 15series. Those can go up to 16GB, and can use Ultra Speed ram way above 1600. But you won't find this info online. for the 15 series. That's more of a in house thing.
Correct, except that the CPU slowdown of approximately 80% already occurs with more than 3GB of RAM. Therefore, 4GB of RAM is pointless. Even using a faster module doesn't guarantee that it will run at speeds higher than 1066MHz.
Look up specs on the D2700. You will see 4G
But that has nothing to do with reality on Synology Cedarview!
Why Not? What does Cedarview chipset have to do with it.
80% of the 412+ that come here have 4G 1600 or 1066.
A classic case of mainstream being bull****.
LOL! Never tried Java on it. But the owner runs Plex on it. How? I don't know? LOL!
Besides. Do you see 100's of these a year and how they run compared to what you read? Are you a Synology service center? When you do what I do. You see it all.
Yours. I won't worry about the eDOM. As you need to get this running first. And this NAS can boot without a eDOM. As it has 2 Boot Roms. Syno 1 and Syno2, Now the boot for Syno 2 is a Shell command line. If you connect serial port wise you will see it. As my pic in the previous post of showing ram size. You can enter commands with it too. So you don't need a eDOM to do that. The boot sequence for all 12 series and earlier models goes like this. At power on the system needs to see the 2 Boot ROMS. Syno 2 rom is setup to activate Syno1. There is a 3rd boot rom in some models too. But lets use the normal 2. So Syno2 is designed to activate Syno 1 if it sees it. Syno 1 is the eDOM. Or a USB drive. If it doesn't see it. It then ignores the loss, and proceeds to launch Syno 2 fully as a shell command. All NAS's after the 12 Series till today also follow this guideline, but do not have the Syno 2 Shell command ability. Synology removed that. So say you have a DS1522+, or a DS1815+, or even a rack system today. All have Syno 1 and 2. But do not activate Syno 2 command line. It just stalls and no boot. Only yours and the earlier models had the ability to shell boot if the eDOM is bad or missing. It is a UBOOT recovery feature in some models no longer present in NAS's today. A Lot of things changed in the newer. Even WIFI dongles or wireless is no longer available today. Yours has it. But the 12/13 series was the end of fun tinkering. Because Synology kinda caught on to knowing people were also tinkering with this to get their NAS;s fixed. LOL! They don't want these fixed. Or they make no money.Thanks. I will leave it for now as I cannot power it up anyway
Do you live in the USA Vitaliy?Thanks. I will leave it for now as I cannot power it up anyway
And is this the same NAS that has the Internal shell only you started the post with? As now you have a dead NAS? Was kinda confused. Or you have 2 NAS's?Thanks. I will leave it for now as I cannot power it up anyway
We discussed this topic years ago in a thread exceeding 30 pages and tested all available RAM manufacturers and types. Everyone who uses their Synology as an application server too, and not just as an external USB hard drive, has noticed this.
These are things where you have no experience.
I can understand what you're saying. I don't know how technical the the people in the 30 pages are. And it is possible the cases you ran into had this issue and was drawing people with the same problem. As those who have it working won't be posting there. And I don't do all 412+'s with 4g. And each one is tested prior top leaving to make sure it is fully functional. I will admit. I had a couple who could not do this. With very high CPU usages. But the most successful ones were still on DSM 5. And yours may have been all on the latest. DSM6 for this model. Synology is very sneaky. When they catch on to public forum posts of what can be done. A memo is sent across developers to make changes to a patch or newer DSM to limit the abilities of the NAS. I can almost guarantee your group was all on DSM6. Synology is infamous for taming the best when they catch on. And with hardware too i updates. As you will see bios files in those PAT files.
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