OS/2, eCS & ArcaOS - Technical > Setup & Installation

Install - screen goes blank when pmshell starts

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Dave Yeo:
Good modern video card where the BIOS supports 4K and a Display Port connector for 60 Hz, HDMI for 30 Hz. Need lots of bandwidth. See https://www.arcanoae.com/wiki/panorama/

Doug Clark:
It is so painful being ignorant.

You were right Dave,

--- Quote ---One other idea, can you fiddle with the PCI settings in the BIOS? Mine allows changing it from X3 to X2 or X1 or similar, slowing it down might be a workaround.

--- End quote ---

When the x600 video card is in slot 4 SNAP works correctly and is fast - see attachment one: multihead, 3840x1080.  When it is in slot 1 the WPS  Screen object shows the chipset as Vesa v 2.1 and the resolutions are limited to VGA and it is SLOW.    Apparently two of the slots support x1 and the other two don't - see attached excerpts from the manual.  And apparently x1, x4, x16 mean either the size of the connector, the number of PCIe lanes, or the speed.

When running the AOS install the video still goes blank before I get to the screen where I can pick System Management or Install.  Which I think means I can't create an install.log or test.log for AN.

You will notice from the screen shot that Win-OS/2 appears to work - although it takes 10 - 15 seconds from clicking on the icon before Program Manager shows up.  Once it is running it is fast. 

I say "appears to work" because I think something happened between AOS v 5.0 and v 5.06 that makes Win-OS/2 funky.  Funky meaning some apps freeze after being used awhile.  I was starting to try and track down what caused that when my motherboard crapped out - which set me down this path of a new machine.

If the install wont run it appears my work-around is to convert my v 5.1 legacy install from the crapped out motherboard into a UEFI install on the new machine.  BTW - getting the legacy install to boot is interesting.  It has Airboot on the hard drive.  If I touch the USB attached keyboard Airboot freezes - as in the clock count down stops and you can't move the cursor.  If I attach a keyboard to the PS/2 port on the motherboard Airboot works fine - and once AOS is up and running the USB attached keyboard works ok.

Dave Yeo:
It seems in your case, the X1 etc is the number of lanes. I'm a little surprised you have such good results with only one lane. I guess you have a M:2 SSD so can't try the 4 lane slot, which might work and be faster.
Anyways, if you are happy with the performance, you have a satisfactory workaround.
As for the testlog, one taken from the working install is better then nothing, it will show the hardware. Probably want to use the newest testlog, http://88watts.net/dlfile.php?F=testlog- and comment on how you created it along with why. Remember it is only accurate on the first run after a boot.

Rich Walsh:

--- Quote from: Doug Clark on January 29, 2024, 05:54:38 pm ---If the install wont run it appears my work-around is to convert my v 5.1 legacy install from the crapped out motherboard into a UEFI install on the new machine.

--- End quote ---

A few months ago I posted a util to handle this. See Csm2Uefi migration tool (updated)

Doug Clark:
Thanks Rich.  I was just about to ask whether something like this existed and I saw your post.  I need it because I think I got rid of the files in the ESP.

Update on the install.  The AN installer will run with VisonTek Radeon HD 5450 video card installed. So I installed AOS to the NVME drive (drive c:).  Then installed AOS v 5.1 on a SATA SSD installed on an old, legacy only, Asus/AMD machine with the Radeo x600 and SNAP - as drive U:

Put the x600 in the new machine, along with the SATA SSD (drive u:) to use as a maintenance partition/drive so I can boot with the x600 installed.  Then installed SNAP on the  C: drive (NVME)

As for booting in CSM(legacy) or UEFI mode
It appears the BIOS setting "Boot mode select" (UEFI or LEGACY+UEF) does not determine the mode used when booting.  All Boot mode select does is change the devices that are listed as Fixed Boot Order Priorities (see attached screen shot).  If the boot mode select = UEFI the only devices listed are those with names that begin (in the list) with UEFI.  If boot mode select = Legacy+UEFI then the whole list appears - as shown in the screen shot.

What determine whether you boot in UEFI mode or legacy mode is whether the device name begins with UEFI in the Fixed Boot Order Priorities list.  If it begins with UEFI the system boots in UEFI mode.  If the name does not begin with UEFI the system boots in legacy or CSM mode (the terms are used interchangably in the bios)

SNAP works whether it is booted in UEFI mode or legacy mode - however when booted in UEFI mode the screen blanks and then shows static arranged as triangles spread across the screen for about 10 seconds - and then the desktop comes up normal as it should.  Weird.  When booted in legacy mode the desktop just comes up without the weird temporary static stuff.

The SATA SSD (containing drive u:)  does not show up in the Fixed Boot Order Priorities list and cannot be put in that list.  The only way to boot to that drive/partition is to use the BIOS boot menu (press F11 on startup)  AirBoot installed on the SATA SSD shows all the drives with primary paritions - including drive C: - and will boot to drive C:

So to avoid having to use the bios boot menu to get a legacy boot on my main drive (drive c:) I removed the ESP and installed AirBoot on the NVME.  Big mistake - because now the mouse doesn't work.   Hopefully I can fix this with Rich's CSMtoUEFI utility.

Thanks again to everyone for your help.

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