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#268927 - 2017-10-18 00:21 Change CMOS battery in MC200
Registered: 2012-04-10
Posts: 85
Matsaly Offline
Hitchhiker
Matsaly Offline
Hitchhiker

Registered: 2012-04-10
Posts: 85
Loc: Boston, Massachusetts, USA
Greetings,

I glanced at another post wherein it was suggested the one periodically change the CMOS battery on the Sooloos motherboard. My MC200 (500GB version) is about 6 years old. Is it recommended to proactively change the battery every so often or wait until there is some problem?

Has anyone changed the battery and do you have any photos/guidance on how to do so. I'd rather not open the MC200 and muck about without knowing what to look for and what internal wires/connections must be disconnected to effectuate the battery change.


MC200, Aqua La Scala DAC, Conrad Johnson CT5 pre/LP70S amp, Verity Audio Parsifal Ovation speakers.
Shunyata Hydra power conditioner, Asst. Shunyata, Nordost, & Siltech cables.
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#269805 - 2017-11-14 00:05 Re: Change CMOS battery in MC200 [Re: Matsaly]
Registered: 2012-04-10
Posts: 85
Matsaly Offline
Hitchhiker
Matsaly Offline
Hitchhiker

Registered: 2012-04-10
Posts: 85
Loc: Boston, Massachusetts, USA
Anyone have any experience with this?


MC200, Aqua La Scala DAC, Conrad Johnson CT5 pre/LP70S amp, Verity Audio Parsifal Ovation speakers.
Shunyata Hydra power conditioner, Asst. Shunyata, Nordost, & Siltech cables.
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#269812 - 2017-11-14 07:05 Re: Change CMOS battery in MC200 [Re: Matsaly]
Registered: 2004-08-07
Posts: 7,494
Ian Offline
President of the Imperial Galactic Government
Ian Offline
President of the Imperial Galactic Government

Registered: 2004-08-07
Posts: 7,494
Loc: Surrey, England, UK
I don't have any experience with changing the battery on the MC200 specifically but have changed them on several other PCs

The MC200 is basically a headless PC and, apart from the large number of screws, it has good access so it should be quite straight forward - I have in the past changed HDD and memory modules and takes under 15 minutes.

My only concern would be what state it will be in after battery is disconnected as there is no keyboard/display/beep to signify a bios reconfiguration. But I probably would have gone through same process when I changed my memory cards - later removed as they made no difference and one module was faulty.

To get access, iirc you need a small Torx driver, remove the feet then with a little force, try and slide one of the sides off. Iirc that both will slide off so, for the inexperienced, its pot luck whether you get the right one first time, hence my estimate of 15 minutes for the job. Its a smooth action to slide but does require a bit of a push. If it doesn't move then try to slide in different direction but off top of my head, they slide towards the bottom hence why you need to remove the feet.

Once side is off, there are then many Torx screws to remove, then you will see either the top side or bottom side of motherboard. I think you can actually peek into the case and see a few internal components to give a clue to what side is what.

Reassembly is simply the reverse. Pretty straight forward.


Meridian owner since 1992
DSP5000 96/24, MC200, Prime & PSU, Focal Elear, Explorer 1 & 2, F80, 200/203 and various Sonos.
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#269828 - 2017-11-14 14:13 Re: Change CMOS battery in MC200 [Re: Ian]
Registered: 2004-01-12
Posts: 2,296
Crion Offline
Senior Shouting Officer
Crion Offline
Senior Shouting Officer

Registered: 2004-01-12
Posts: 2,296
Loc: Stockholm, Sweden
There are also pictures of the MC200 internals that helps you understand what to expect when opening the case.


Future 861 MQA/24-192 system upgrade owner!
DSP8000SE, DSP7200SEHC, DSP5200SE sides, DSP7200SE rears, 861v8/ID41, MC200, Sim2 HT380 T2 1080P, Stewart Cinecurve 2.35:1, XEIT CM-5E Anamorphic lens, Apple-TV 4K with nFuse 5, HDI Dune BD Prime 3.0 with Wireworld Platinum HDMI -> UHD722 -> Audioquest Diamond RJ45. Shunyata Sigma Digital@861v8.
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#269833 - 2017-11-14 14:53 Re: Change CMOS battery in MC200 [Re: Crion]
Registered: 2010-12-09
Posts: 3,473
Ratbert Offline
Ravenous Bugblatter Beast of Traal
Ratbert Offline
Ravenous Bugblatter Beast of Traal

Registered: 2010-12-09
Posts: 3,473
Loc: Europe


Always learn from the mistakes of others. You can never live long enough to make them all yourself.
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#269834 - 2017-11-14 15:17 Re: Change CMOS battery in MC200 [Re: Matsaly]
Registered: 2000-11-01
Posts: 2,619
RobertW Offline
Robert.W Great Green Arkleseizure
RobertW Offline
Robert.W
Great Green Arkleseizure

Registered: 2000-11-01
Posts: 2,619
Loc: Austria, Europe
What's the status now?


861v6+ID40/800v3/3x8k.2/3x5k5s smile /2x5kC/ 218/Explorer/TT-ELP/Trinnov Amethyst
__HB-strip, Ayon/HB/Shunyata/Dream State Audio/Miltzow -- power cables,
__Ayon/Jungson/Miltzow --analog, Miltzow-- digital,
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#269847 - 2017-11-14 16:46 Re: Change CMOS battery in MC200 [Re: RobertW]
Registered: 2012-04-10
Posts: 85
Matsaly Offline
Hitchhiker
Matsaly Offline
Hitchhiker

Registered: 2012-04-10
Posts: 85
Loc: Boston, Massachusetts, USA
I think you are asking about the operational status of my MC200?

The unit works perfectly, I am just trying to figure out if it's best to proactively change the CMOS battery every few years.


MC200, Aqua La Scala DAC, Conrad Johnson CT5 pre/LP70S amp, Verity Audio Parsifal Ovation speakers.
Shunyata Hydra power conditioner, Asst. Shunyata, Nordost, & Siltech cables.
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#269853 - 2017-11-14 17:28 Re: Change CMOS battery in MC200 [Re: Matsaly]
Registered: 2000-11-01
Posts: 2,619
RobertW Offline
Robert.W Great Green Arkleseizure
RobertW Offline
Robert.W
Great Green Arkleseizure

Registered: 2000-11-01
Posts: 2,619
Loc: Austria, Europe
Sorry I thought it was an actual problem. Think positive, then it will never happen.


861v6+ID40/800v3/3x8k.2/3x5k5s smile /2x5kC/ 218/Explorer/TT-ELP/Trinnov Amethyst
__HB-strip, Ayon/HB/Shunyata/Dream State Audio/Miltzow -- power cables,
__Ayon/Jungson/Miltzow --analog, Miltzow-- digital,
__WMA/Finalizer- , iPad air, Macbook-pro.
Reviver
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#269899 - 2017-11-15 16:58 Re: Change CMOS battery in MC200 [Re: RobertW]
Registered: 2012-04-10
Posts: 85
Matsaly Offline
Hitchhiker
Matsaly Offline
Hitchhiker

Registered: 2012-04-10
Posts: 85
Loc: Boston, Massachusetts, USA
Kudos to Bruce for reaching out to me (PM) with lots of helpful information. He is an invaluable asset to the community.


I'll likely attempt to change the battery after the holidays when I have some free time.

Thanks to everyone for their help and support in this hobby.


MC200, Aqua La Scala DAC, Conrad Johnson CT5 pre/LP70S amp, Verity Audio Parsifal Ovation speakers.
Shunyata Hydra power conditioner, Asst. Shunyata, Nordost, & Siltech cables.
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#269904 - 2017-11-15 20:00 Re: Change CMOS battery in MC200 [Re: Matsaly]
Registered: 2014-01-22
Posts: 35
MattP Offline
Harmless
MattP Offline
Harmless

Registered: 2014-01-22
Posts: 35
Loc: London, UK
As this will likely be a help to many people - why does it have to be sent in PM and not posted publicly?


#1 - MC200 1TB, G91DH DAB, DSP5200, DSP5200HC
#2 - Explorer2, UE900
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#269907 - 2017-11-15 21:08 Re: Change CMOS battery in MC200 [Re: MattP]
Registered: 2010-12-09
Posts: 3,473
Ratbert Offline
Ravenous Bugblatter Beast of Traal
Ratbert Offline
Ravenous Bugblatter Beast of Traal

Registered: 2010-12-09
Posts: 3,473
Loc: Europe
Or added to the Wiki?


Always learn from the mistakes of others. You can never live long enough to make them all yourself.
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