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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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 Posted: Mon Dec 11, 2017 9:33 am Post subject: intel moble i7 ES development board |
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Hi
I got a very interesting intel moble i7 ES development board.
The CPU is ES (QDX1 ES), south/north bridge is ES. There are lots of interfaces and switches on board.
I can not boot it up correctly.
It ended up the LED blinking with "1 0 C 3? code? The screen display nothing, even I connect two screen with VGA and HDMI.
Please help me.
There are many photos, please view here:
https://pan.baidu.com/s/1eRIFRea#list/path=%2FES_board&vmode=grid
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xsecret
Joined: 01 Feb 2004
Posts: 1847
Location: France
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| Posted: Mon Dec 11, 2017 10:52 am Post subject: |
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It's a Core i5-4570R with 128 MB L4. This board was used to demonstrate the Crystal Well platform. It's a QS (ES have SMA connector soldered). Both CPU and chipset are probably unsoldered BGA. Extremely fragile. If you remove the BGA support, there is almost no way to put it back on correctly.
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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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| Posted: Mon Dec 11, 2017 11:47 am Post subject: |
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| xsecret wrote: | | It's a Core i5-4570R with 128 MB L4. This board was used to demonstrate the Crystal Well platform. It's a QS (ES have SMA connector soldered). Both CPU and chipset are probably unsoldered BGA. Extremely fragile. If you remove the BGA support, there is almost no way to put it back on correctly. |
thanks for your info!
how can I make it work then.... I will try again
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hugo929
Joined: 27 Oct 2006
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| Posted: Tue Dec 12, 2017 1:14 am Post subject: |
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now I figured out the boot up error code is 01 (EC01)
so it might be CPU self check failure?
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hugo929
Joined: 27 Oct 2006
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| Posted: Fri Dec 15, 2017 9:05 am Post subject: |
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Now NO error code now, the four bits LED shows "0000", but still no display on the screen...
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hugo929
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CPUShack
Joined: 16 Jun 2003
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Location: State of Jefferson, USA
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bccwchan
Joined: 20 Sep 2004
Posts: 2585
Location: Hong Kong
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| Posted: Mon Jan 08, 2018 6:04 am Post subject: |
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| hugo929 wrote: | | I made it working, very very nice and fast |
Mission Impossible.  |
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