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Hardware News : New Uboot for Sam460
Posted by Elwood on 2011/4/16 14:36:37 (1239 reads) News by the same author
Hardware News

Bassano del Grappa, Italy - 15, Apr 2011

ACube Systems is pleased to announce a new release of the U-Boot firmware for its line of motherboards Sam460ex.

What's new in this version:

- improved Radeon X1550, X1650, X1950 setup
- fixed a bug in the PCI-E setup which cures a crash when both a gfx card and an USB3 card were used
- DDR2 boost setup is now disabled by default, to enable it, set ddr2_boost to 1 from the U-Boot prompt
- removed a debug output from ext2fs.c

The updated installation guide describes in detail the usual installation method (ISO image) and alternative methods (TFTP). Inside the archive you will find both the ISO image and the TFTP updater

You can download installation archives from:


Additional information:

Please note: UBoot and UBoot updater makes use of GPL code and thus are both published under GPL.

The sources can be downloaded from:


or, using a direct link:

http://www.acube-systems.biz/download ... 6-05_20110414_prod.tar.gz

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Author Thread
Published: 2011/4/16 14:53  Updated: 2011/4/16 14:53
Home away from home
Joined: 07/07/2009
From: Toronto, Canada
Comments: 2229
 Re: New Uboot for Sam460
great to see ACube providing great support for the Sam series yet again
Published: 2011/4/16 23:24  Updated: 2011/4/16 23:24
Just can't stay away
Joined: 10/25/2007
From: Gothenburg / Sweden
Comments: 1175
 Re: New Uboot for Sam460
Acube as usual :)
Published: 2011/4/16 23:59  Updated: 2011/4/16 23:59
Home away from home
Joined: 11/30/2006
From: Norway
Comments: 2462
 Re: New Uboot for Sam460
Yes they do.
Published: 2011/4/17 0:42  Updated: 2011/4/17 0:42
Just can't stay away
Joined: 12/01/2006
From: Copenhagen, Denmark
Comments: 1045
 Re: New Uboot for Sam460
Thanks for the update, installed fine using TFTP from my A1.

- DDR2 boost setup is now disabled by default, to enable it, set ddr2_boost to 1 from the U-Boot prompt

What are the benefits and/or drawbacks of this? What would be a reason for me to set this var?

Best regards,

Published: 2011/4/18 17:59  Updated: 2011/4/18 17:59
Home away from home
Joined: 11/20/2006
From: Norway
Comments: 2676
 Re: New Uboot for Sam460
Nice work, I hope there will be some drivers ready soon.
Published: 2011/4/19 12:31  Updated: 2011/4/19 12:31
Not too shy to talk
Joined: 05/02/2008
From: Sweden
Comments: 485
 Re: New Uboot for Sam460

What are the benefits and/or drawbacks of this? What would be a reason for me to set this var?

My humble guess it that it will boost the DDR RAM speed somehow. But it is off by default because maybe not all RAM chips can handle the speed boost.

I seem to remember that someone had a problem after the last update when they enabled something like this. So they made a flag out of it and turned it off by default.

I would in all situations tru to switch on as many RAM and cache boost parameter I could as long as the system is stable. I use SetA1 to tweak the RAM speed on my A1-XE. Makes a noticable difference actually.
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