New Sam460cr boards will hit the road soon!

@kas1e

Quote:
What's the exact model ? On some HD cards not all ports works under u-boot, try using VGA if you're using DVI/HDMI or viceversa.
On the serial output, the "VESA: OK" is usually the last message, after that u-boot will output on the gfx board.

@m3x

If I recall the card that he has I had one of the same model Radeon R7-250 that worked with my X5000 then but I could not get it to work with my Sam460ex.

http://hdrlab.org.nz/benchmark/gfxben ... phicsCard/565/Result/2022

https://www.amazon.com/Asus-128-Bit-Di ... 250-1GD5-V2/dp/B01CSDZP60

@max
Quote:

r7-250 (marked as HD Verde)

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Tried both HDMI and DVI, nothing :( Strange that also keyboard didn't react (i.e. pressing num-lock, didn't work). But maybe it shouldn't work when no uboot started.

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Yeah, that the card. Even image of the card on the link 1:1 as one i have there.

@kas1e

https://amigaos4gaming.wordpress.com/2 ... cs-cards-for-amigaos-4-x/

@Spectre, max

I tried now to put RadeonRX 560 in. Yes, I should have no uboot there, but I should have something on the serial after "VESA: OK", right? And the keyboard's num lock should work. But that not happen, the same "VESA: OK" and nothing else happens. Keyboard connected to USB external port at the back of the motherboard, tried in both connectors, the same.

I expect that even with non-visible uboot on-screen, uboot still should load, and I should see it on serial, but nothing. Tried and DVI and HDMI.

Maybe there should be some bootable device connected so uboot can start itself? Yeah, sound strange, but wtf :)

I tried now 3 cards: Radeon HD Verde, and 2 Polaris ones, and all of them tried with HDMI and DVI - in all cases all I have on serial "VESA: OK" and nothing after, ever.

@kas1e

They really shipped this your way in that state ..Bizzare..

@Skateman
Quote:

You mean looks of the motherboard with repaired parts ?:) Or unexpected fast arrival of a package? But yeah, those glue parts made a feel of the repaired motherboard. If that true, who knows what issues it may have :)

@kas1e

Yeah i mean a board that has a secondhand look and feel like you described... and full of glue and other stuff.

You paid for something new.

@Skateman
Quote:

Yeah, I was hoped for something old produced but not sold or something. Or at least not THAT looking :) Who knows now what issues it will give me now and then and why it was repaired before :) In comparison with this, the X5000 motherboard is pure beauty. Added to that issues with video cards, non-ability to put normally usually video card and use PCI slot, is better to go for new x5000, even if it cost 3 times more.

I checked some link on Epsilons blog, where he got his sam460 5 years ago: http://amigax1000.blogspot.com/2015/0 ... am-460cr-has-arrived.html

And this one surely didn't have that mess on the PowerPSU connector and on his photos, it looks "clean". My one looks like a one-second hand and repaired :) In some parts, it even has some erased parts of the text, like someone quite often moves hands over it while fixing :)

If I were a new customer, I of course will be disappointed with the motherboard cosmetic look I got. But I had x5000 and pegasos2 already, so no big deal. Especially that it even can't work with 3 gfx cards i tried :)

@kas1e

You dont get anything else from u-Boot at that pont without redrecting the error output to serial so it is normal.
errors would be display on VGA console normally .

Next output would be from AmigaOS boot stuff.
Radeon Rx or Radeon HD driver

@kas1e

Previous batch of boards were release in 2014 and we were still running Radeon HD's prior to Southern Islands cards for the most part .

@Specte
Hmm strange, on peg2 and on x5000, by default errors come to serial, so you can see what wrong.

And, on both of them, before video card initialization is done, there should be a bit more output, like, loading of first kickstart modules, etc.

Anyway, maybe I should try to burn the sam460 iso on a USB stick, put it in, and try with Radeon HD/Radeon RX, maybe it will bring some more info.

But then, will it boot from usb stick by default, or something need to be changed in uboot, which i can't do, as no uboot visibly ?:)

@kas1e

If you have a video card that you use on your X5000 to boot Morphos try it on the Sam460cr .

@kas1e

About the 'glue': it's a last minute modification to allow the boards to work on modern ATX power supplies.
Basically what happen ? the 'cr' board have less onboard components then the 'ex' version, and its power consumption is very very low, and some/many PSU basically don't sense any load and: or they don't start at all or they give not stable output, which in turn create stability issues.
The two resistors you see are there for increasing the power load, they are not there for 'repair'.
Next batch will have this (and other minimal modifications) directly onboard.

@kas1e

The USB stick option might not be so easy for you as your other machines do not use the SLB boot loader that you need to set up for the Sam .

@m3x

You will have to make it easier for people to get new Sam460cr's up and running .

@Max
Thanks for explain!

@Spectre
Will get tomorrow new case for sam (currently testing it all on the table), and can check also that card i use for morphos on x5000 (as it has some additional power connection which for me hard to attach from current psu i use for testing)

@Spectre660

Quote:
You are right! I've identified what's the problem with newer Radeon Bios card under U-boot on the Sam boards, but ATM I didn't find any solution about it.

@kas1e

Or if you can find a cheap HD5450 or 6450 so yo dont risk your MorphOS card .

@m3x

The only Radeon HD Southern Islands cards that I have found since a HD7750 and R7-250X to work have been OEM HP Radeon R9-255's.
Fortunately I go 2 of them.
Have just removed one from were it was in use from a Windows machine.
Two reserve cards are better than one.