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Lenovo M700 Tiny PC experiences


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mobilenvidia
16 hours ago, cicistrici said:

Hi @mobilenvidia,

There's some tasty Lenovo M800's I could get for a decent price. It has the q150 chipset and I think there are not any newer lenovo pc's that are using the q250 chipset. Do you think it is possible to mod that thing for coffee lake?

M800 SFF or tower ?
It should work on those as BIOS looks same as M700/900
BUT use a EPROM flasher so you can try and go back if things go wrong
DON'T use SW flasher as there's a chance you'll need to buy an EPROM programmer incase that goes wrong

So what I did should work for you too, but I can't guarantee that

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1 hour ago, mobilenvidia said:

M800 SFF or tower ?
It should work on those as BIOS looks same as M700/900
BUT use a EPROM flasher so you can try and go back if things go wrong
DON'T use SW flasher as there's a chance you'll need to buy an EPROM programmer incase that goes wrong

So what I did should work for you too, but I can't guarantee that

Thanks for your reply,

SFF, and thanks for the tip, I wanted to use a hardware flasher, but somehow they never seem to arrive from China (I ordered the 3rd one 2 weeks ago...)

I'm happy to buy one and experiment.

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mobilenvidia
17 minutes ago, cicistrici said:

Thanks for your reply,

SFF, and thanks for the tip, I wanted to use a hardware flasher, but somehow they never seem to arrive from China (I ordered the 3rd one 2 weeks ago...)

I'm happy to buy one and experiment.

Things coming from China aren't too bad in NZ, no longer than it used to take
Grab latest BIOS, there is a newer one than what I worked on flash that to your machine the go through process

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cicistrici
On 2/16/2021 at 7:21 AM, mobilenvidia said:

Things coming from China aren't too bad in NZ, no longer than it used to take
Grab latest BIOS, there is a newer one than what I worked on flash that to your machine the go through process

Hey,

I had to wait a lot, but today the flasher arrived. Did everything and it's workin fine, much better than the G4400 😄

cpuid.png

It wasn't recognized the sata drive, that was the only problem I had, and crying for the unknown uuid, which I'd really like to solve, but I don't know how to yet. I opened the bios and changed that "os defaults etc" option to enable and it booted up fine, however since then I can not access bios at all. If I press the buttons on the keyboard to access bios it just won't boot, no video at all. 

Edited by cicistrici
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mobilenvidia

First welcome to Coffee Lake
2nd Hmmm weird no BIOS entry option t boot, not essential but very annoying
You may need to play around to solve that, I never had that issue so can't help

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mobilenvidia
3 minutes ago, elfrom1 said:

helloy you can give you bios for m700? im have started cpu QNCT 

 

Look for 'here'

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im flash this bios m700_m710_cfl.bin and install cpu QNCT ddr4 4Gb 2133/8gb 2400 no started ? maybe you have other mod bios for qnct?

CPU work on gigabyte h110m

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cicistrici
On 3/22/2021 at 7:31 PM, mobilenvidia said:

First welcome to Coffee Lake
2nd Hmmm weird no BIOS entry option t boot, not essential but very annoying
You may need to play around to solve that, I never had that issue so can't help

I made a second bios with coffee time with updated vbios and it is workin fine now, no need to enable os default settings in bios to boot. The only issue I have is that the sata device is not shown in bios but it is booting and I can access bios now which is great. 

Also it seems that the merged bios keeps the original mac address of your device. 

If you want to change the UUID and other things which are not kept in the edited bios, you just have to create a bootable DOS usb disk, then take a look at here

And you can easily edit what is unknown. 

 

Edited by cicistrici
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8 hours ago, cicistrici said:

how to make 16mb bios dump and exchange raw gop vbt file? the computer is an m900 tiny.

 

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mobilenvidia
22 hours ago, elfrom1 said:

im flash this bios m700_m710_cfl.bin and install cpu QNCT ddr4 4Gb 2133/8gb 2400 no started ? maybe you have other mod bios for qnct?

CPU work on gigabyte h110m

You have done the CPU pad mods that a 6core CFL CPU needs
My mods work for 4core CPU with no mods but you need to modify the CPU pads or 6core and beyond

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cicistrici

Hi @mobilenvidia

I read that you don't use wifi, but I have a strange issue and you might have something helpful.
Originally my unit does not have wireless installed, so I got an m.2 ngff wireless card which is totally supported by my machine, even the same FRU as in the Lenovo documents for this PC.
But when it is installed, the pc just refuse to boot, fan spins at almost max speed, no video nothing.
Of course after it is removed it boots just fine.  

Edit: Ok, it was just a connection error, now it boots but the device is neither shown in the self test and nor in windows.

Edited by cicistrici
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mobilenvidia

Does the card still work ?
When connecting wrongly you didn't short it ?

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cicistrici
15 hours ago, mobilenvidia said:

Does the card still work ?
When connecting wrongly you didn't short it ?

I think the card is fine. It works well in a laptop. I found another card which also has an FRU. Now if I install the Intel card it boots up fine, but it can't be found anywhere. If I install the other card, which is a Realtek one the fan spins but no boot. 

I had the opportunity to test another card, it was also an Intel one, but got no boot with that too. 

Maybe Lenovo disabled the ability to add an m2 wireless on pc's shipped without one? I do not know yet, if I'll have some more time I think I'll swap to the old cpu and flash back the original BIOS and then check if it is working.

Edited by cicistrici
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On 3/23/2021 at 10:22 PM, cicistrici said:

 

i modified om biose 8mb gop, gop vbt and vbios and ME has been officially updated ver.11.8.80.37.46. whether such a combination should start i7 7700 kbl. besides the mod can't flash sw tools. I share the result. https://easyupload.io/j42zhd

 

669.jpg

Edited by rycyve
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On 3/24/2021 at 5:54 AM, mobilenvidia said:

You have done the CPU pad mods that a 6core CFL CPU needs
My mods work for 4core CPU with no mods but you need to modify the CPU pads or 6core and beyond

Hello.

I am also wanted to put a QNCT from our aliexpress friend at an M700. My M700 now has an i3-6100t.

According to your comments it seems that somehow it would be possible to make it work but I have no clear as. Can you help with information to be able to perform the procedure? It seems that according to your comments it is necessary to remove or modify pads of the QNCT?

Thanks for your support.

Edited by Jul
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mobilenvidia
On 4/1/2021 at 9:27 PM, Jul said:

Hello.

I am also wanted to put a QNCT from our aliexpress friend at an M700. My M700 now has an i3-6100t.

According to your comments it seems that somehow it would be possible to make it work but I have no clear as. Can you help with information to be able to perform the procedure? It seems that according to your comments it is necessary to remove or modify pads of the QNCT?

Thanks for your support.

You need to connect some pads together and isolate some others
Coffeetime app has a picture of what to do there.
You'll need some things to do it, and make sure you do  good job as you can fry your Mobo and/or CPU

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