RS2414RP+ Conversation to XPEnology.


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Hi all, so a while back I posted that I had a dead RS2414RP+ with what I suspected was the C2000 bug. (it wasn't)

After A LOT of messing about with Oscilloscopes and Logic Analyzers, I couldn't make sense of the old board and binned it.

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I had an old Gigabyte H170-N Wifi with a 6700K and 32GB of RAM I had as an old Windows Server

 

First I had to check if everything would fit

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After removing the Back Plate, I could install a MicroATX motherboard just fine, all the screw holes lined up! (you could probably get an ATX board in there)

 

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So I grabbed a spare SAS card off a friend to validate that the rackmount bays were indeed wired as "normal" and would plug in just fine.

I booted up Windows that I already had on the SSD, yep, I can see all the disks.

The SAS card needed to have its backplate removed, but being a half height card, it didn't need a riser.

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So now it was time to measure the IO plate up, make some marks and start dremeling

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(PS its really hard to take a photo and dremel at the same time)

 

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Thankfully the IO shield lines up perfectly with one of the lines of punchouts

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IO shield fits, but does it fit on the motherboard too?

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Apparently!

 

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I had a heatsink from this motherboard when it was in a much smaller case and sure enough it was low enough and should get enough airflow from the front fans
(Not really, more on this later)

 

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I plugged fan 2 into the CPU header on the motherboard, Fans 1 and 3 tot he Sysfan header and left fan 4 off.. (the powersupplies each have 2 fans... their fine)

Issue 1: The CPU fan on this motherboard cant speed control a legacy 3 wire fan so the CPU fan runs flat out

Issue 2: The heatsink is a little short and was designed to have airflow pressing down from on top. I will likley 3d print a cowling for it.

Issue 3: the Hardrives limit the amount of air coming from the front of the case, I have taken the fan access panel off for now to allow fresh air to come from above the unit, but long term I'll need to sort something.

 

I used my Multimeter to find what wires in the ribbon cable went to what switches on the front and hooked up Power. (didnt bother with anything else)

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So I booted into windows and ran some tests, everything was fine airflow wise until I closed up the case.

see the 4 fans are designed to keep the HDDs and a tiny little Atom CPU cool. NOT a 6700K. (See notes above)

So I'm leaving the fan access cover open for now.

 

I've just finished installing DSM, I'll report back on working disks/SAS controller when thats done!

 

Hope this was informative.

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Things that work

32GB of RAM detected

Bluetooth

Ethernet (both)

Temperature Sensor



Things that don't work

On Board Wifi (Please insert a USB Wifi Adapter)
The LSI SAS Controller 

 

Notes:

Still thinks the CPU is a J3455

*will update as I check things*

 

Edited by Atreidae
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It doesn't think the CPU is a j3455, it is just that the info screen you are looking at is not build via a query, it is just a textual representation of the CPU that synology knows they installed in there. it is costemetic.

I am surprised you have issue with your LSI SAS card. Mine works without issue.

 

 

 

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10 hours ago, Atreidae said:

I don't think the card was in IT mode. 
it wasn't mine as I borrowed it off someone else.
Not going to reflash someone else's card

if looking for a hardware its good to check dmesg log for drivers loading and for pci vid/pid

there are drivers for lsi sas cards in ir mode (megaraid) the only thing you dont see in that case is the disk, the driver will detect the hardware

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