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Kronos will be staying home in the studio
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Xenophile
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PostPosted: Mon Jul 08, 2019 7:13 pm    Post subject: Reply with quote

Repair shop had it for several weeks, and finally were able to repro the issue after leaving it powered on for several days. Diagnostic indicated that there is an intermittent problem with the main board, so they are replacing that under warranty. Hoping that solves the issue!
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Xenophile
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PostPosted: Mon Jul 08, 2019 7:17 pm    Post subject: Reply with quote

I imagine I will still have to work with Korg Support to re-activate a couple of EXs packages that I purchased, since I understand that their license is tied to the motherboard serial number?
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NormC
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PostPosted: Mon Jul 08, 2019 8:04 pm    Post subject: Reply with quote

Xenophile wrote:
I imagine I will still have to work with Korg Support to re-activate a couple of EXs packages that I purchased, since I understand that their license is tied to the motherboard serial number?

I believe it is tied to the MAC address of the motherboard so you will definitely need Korg support.
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GregC
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PostPosted: Mon Jul 08, 2019 8:11 pm    Post subject: Reply with quote

Xenophile wrote:
Repair shop had it for several weeks, and finally were able to repro the issue after leaving it powered on for several days. Diagnostic indicated that there is an intermittent problem with the main board, so they are replacing that under warranty. Hoping that solves the issue!


I guess you are referring to the motherboard, an Intel product. Thats a broad problem, IMO, and its good to read they ID'd the defect.

I realize that Kronos is an assembled keyboard. Just the same , I am curious about the defect rate of various components. There is such a large range of longevity on components, from 1 month to + 8 years.
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Xenophile
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PostPosted: Mon Jul 08, 2019 8:29 pm    Post subject: Reply with quote

GregC wrote:

I guess you are referring to the motherboard, an Intel product. Thats a broad problem, IMO, and its good to read they ID'd the defect.

Kronos 2 uses an ASRock IMB-140D Plus motherboard with an Intel Atom D2500 processor.
But according to the service tech, Korg makes some modifications to this board... apparently removing some interface chips? I had not heard that before.
I would speculate that they might remove some onboard audio interface or USB hub.
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GregC
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PostPosted: Mon Jul 08, 2019 9:00 pm    Post subject: Reply with quote

Xenophile wrote:
GregC wrote:

I guess you are referring to the motherboard, an Intel product. Thats a broad problem, IMO, and its good to read they ID'd the defect.

Kronos 2 uses an ASRock IMB-140D Plus motherboard with an Intel Atom D2500 processor.
But according to the service tech, Korg makes some modifications to this board... apparently removing some interface chips? I had not heard that before.
I would speculate that they might remove some onboard audio interface or USB hub.


good to know, thanks !
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KK
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PostPosted: Mon Jul 08, 2019 9:06 pm    Post subject: Reply with quote

Xenophile wrote:
But according to the service tech, Korg makes some modifications to this board... apparently removing some interface chips? I had not heard that before.

On the K2, mods to the motherboard include removal of some connectors so it can fit in the cramped space and also other undesirable components like the buzzer, etc.
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Purgatory



Joined: 06 Dec 2018
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Location: Leeds, UK

PostPosted: Mon Jul 08, 2019 10:18 pm    Post subject: Reply with quote

Xenophile wrote:
I imagine I will still have to work with Korg Support to re-activate a couple of EXs packages that I purchased, since I understand that their license is tied to the motherboard serial number?


I believe you will not need to re-activate the EXs as the security to authenticate EXs is done on another board with a security chip AT88SC0204CA or a variation of it ( http://ww1.microchip.com/downloads/en/devicedoc/Atmel-5202S-CryptoMem-AT88SC0204CA-Datasheet-Summary.pdf ).

That chip and the Kronos Public ID is all linked into the security to authenticate EXs and the kronos software.

The chip :-

It creates the Kronos Public ID

It holds one part of the AES keys that are used to encrypt the kronos software.

It is used to authenticate EXs


This is why people that repair their kronos with a new motherboard themselves never need to re-activate the keyboard or EXs.

Well let us know when you get it back if you need to do any of that, as long as they don't replace the SSD with your software on it, I bet it will be like it was with no need to do anything it will just work without re-activation.
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