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Hardware News   Hardware News : New Uboot for Sam440ep and Sam440ep-flex
   posted by Lecta on 27-Nov-2009 20:21:36 (7435 reads)
Bassano del Grappa, 27 Nov 2009

ACube Systems is pleased to announce the release of a new version of U-Boot firmware for its line of motherboards Sam440ep and Sam440ep-flex.
This version addresses a number of problems and add some features and optimizations making it possible to cut down boot time by 3-12 seconds depending on the configuration of the board.

What's new in this version (for both versions):

* faster graphic card initialization, now it takes half the time than previous U-Boot version
* unified the first two countdowns, for an even faster boot
* solved compatibility issues with some Radeon 9200 and 9250 gfx cards
* reworked preference menu

Sam440ep miniITX version:

* a Radeon HD 2400 graphic card could be now used as secondary gfx card

Sam440ep-flex version:

* added support for Silicon Motion 502 graphic card
* added sperimental support for Catweasel MK4 controller
* a Radeon HD 2400 graphic card could be now used in both 33 and 66 Mhz PCI slots

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, from:


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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 28-Nov-2009 18:09:16
#41 ]
Super Member
Joined: 17-Dec-2007
Posts: 1811
From: Gothenburg, THE front side of Sweden ;), (via Finland), EU

From 36-38 seconds I came down to 29-31. So now I boot about 7 seconds faster.

Thank you very much ACube!

AmigaOS 4.1 FEu2 on Sam440ep-flex 800MHz 1GB RAM
C128, A500+, A1200, A1200/40, AmigaForever 2008+09+16, 5 x86/x64 boxes
Still waiting (or dreaming) for the Amiga revolution...

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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 28-Nov-2009 18:28:59
#42 ]
Elite Member
Joined: 30-Sep-2009
Posts: 2790
From: Italy

Yes, that was what we told you to do

SamFlex Complete 800Mhz System + AmigaOS 4.1 Update 4
Amiga 2000 DKB 2MB ChipRam GVP G-Force040 Picasso 2 OS3.9 BB2
AmigaCD 32

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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 28-Nov-2009 20:22:47
#43 ]
Elite Member
Joined: 19-Jun-2004
Posts: 5009
From: Sweden

Im happy for you Sam users. Wish we A1 users would get some updated uboot.

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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 28-Nov-2009 20:40:14
#44 ]
Elite Member
Joined: 22-Jun-2004
Posts: 3604
From: Unknown

Already I have installed the UBoot with more fear than Bin Laden front US army, and after to change the cable of my DVD slim because again I had problems with the unit, the Uboot was installed and the principal changes are two to single view, new boot preferences and curiosly the letters now are more white bright that before with new and more easy options and other when appear the OS 4 intro screen the strange pixels on it now they have disappear, other changes I haven't saw, I test the system with Ranger and 3D games and demos and all run very well.
And that's all friends.

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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 28-Nov-2009 23:03:13
#45 ]
Regular Member
Joined: 3-Feb-2008
Posts: 190
From: The anthill to the west of the silver maple

Thanks ACube!

My boot time has only been reduced by 3 seconds (33 to 30). Obviously I haven't tried hard enough to reduce the time, because I've seen that some folks have much faster booting.

The post-boot graphical glitches in Workbench windows seem to be gone. Maybe they have just moved elsewhere, or maybe that was a UBoot bug all along?

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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 29-Nov-2009 10:12:58
#46 ]
Elite Member
Joined: 30-Jan-2005
Posts: 6673
From: Unknown

Intruiging! Maybe time for me to try disabling the debug kernel?

Author of the PortablE programming language.
I can usually be found on (my favourite Amiga forum).
It is pitch black. You are likely to be eaten by a grue...

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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 29-Nov-2009 18:38:38
#47 ]
Super Member
Joined: 28-Jan-2007
Posts: 1396
From: French


This is verry funny

I have an USB to PS2 adapter with a PS2 mouse and a ps2 keyboard.

- access to Uboot or choosing AOS4 or linux work fine.
- Use enter to choose the update of the uboot work fine


Press the space key (under the warning message not work).

That mean I CAN'T UPDATE the Uboot to 1.3.1a

Hope when I will update the Uboot, the mouse and keyboard will work perfectly with uboot 1.3.1a and an USB to ps2 adaptator.

BTW, what you have done for the amiga today ????

-SAM440EP-667mhz-on MapowerKC3000+AOS4.1

Amiga Docs Disks Preservation Project

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Re: New Uboot for Sam440ep and Sam440ep-flex
Posted on 30-Nov-2009 0:57:40
#48 ]
Cult Member
Joined: 24-Jul-2005
Posts: 777
From: Sacramento, CA, USA


Bug fixes in U-Boot's x86emu BIOS emulation?

Sam440ep-flex 733 MHz/1 GB RAM/Radeon 9250/AmigaOS4.1 Update 2
borked A1200/Blizzard1260+SCSI-IV/Z4+MediatorZIV/Deneb/Voodoo3/CatweaselMk3
more borked A1200/MBX1200z/Indivision

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