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Messages - OS4User

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Applications / Re: VirtualBox v5.0.51 Testing
« on: April 25, 2018, 01:40:14 pm »
I am still confused on how a virutalAddressLimit=3072 = 1 GB kernel memory, but I will take your word for it.

Address space (4Gb) is divided into several parts:
Conventional Memory                  :  0 - 512Mb
High Memory Arena                     :  512Mb - VAL
System Arena (kernel memory)   :  VAL - 4Gb

(VAL stands for Virtual Address Limit)

Note that this division does not have anything in common with availability of phys mem.

Applications / Re: OS/4 (technical details only)
« on: April 23, 2018, 03:14:56 pm »

Cannot start D:\sys\system\refomat.exe

I found another program that does not work with the OS4 kernel.  This one is "styler.exe" and it has been around for a long time and has been in ecomstation for years.

I have just check on my system  - reformat.exe starts ok. I do not have styler.exe to check.

Internet / Re: Firefox - 45.9.0 for OS/2 GA1.1...anyone...anyone???
« on: April 21, 2018, 11:55:46 pm »
Except it still will not play Youtube videos.

Some youtube videos will play, if you add the FFMPEG package, using ANPM (RPM/YUM). Just be sure that you have the SDL (upper case) package installed first. If the sdl (lower case) package is installed, it will block the install. Uninstall sdl (lower case), watch what it uninstalls with it, and install SDL (upper case) along with those packages, then install FFMPEG.


Is SDL really necessary ?  I do not have it  and FF can play youtube  videos. (I have installed ffmpeg-libs)

Applications / Re: OS/4 (technical details only)
« on: April 20, 2018, 03:32:46 pm »
certainly DIVE, but I was thinking more along the lines of uniaud32 and any of the other stuff that depends on some level ACPI.  Just finding out what has dependencies let alone what versions are dependent on other versions is painful.

so far no other dependencies are discovered, except, ACPI32.DLL,  ACPI.PSD, APM.ADD and ACPIDAEMON.EXE have to be from the same version

Applications / Re: OS/4 (technical details only)
« on: April 20, 2018, 11:43:50 am »
but I am reluctant go back too many versions on ACPI since it seems there are some inter-dependencies between ACPI and other stuff.

AFAIK   ACPI32.DLL,  ACPI.PSD, APM.ADD and ACPIDAEMON.EXE have to be from the same version.  You can rename ACPI.PSD, APM.ADD and ACPIDAEMON.EXE  to ACPI_1.PSD, APM_1.ADD and ACPIDAEMON_1.EXE  accordingly and make appropriate changes in you config.os4

For ACPI32.DLL   it is a bit more complicated   -  but you can do the same as with patched DIVE.DLL

Setup & Installation / Re: RAM disk and temp folders...what else?
« on: April 19, 2018, 10:05:23 pm »
There are a bunch of other drivers like CLOCK03.SYS etc. where it's also not clear if these drivers are mandatory or not and if they have to be added to config.sys or if they are loaded automatically by the kernel.

I would like to try the OS4 kernel and other programs and drivers but there is nowhere enough information to let me do so.

Lars, Ivan

OS/4 distr contains HowTo file about installation process of OS/4 kernel.
Pls let me know if anything is unclear in this file and still creates complication.

If any technical questions arise, pls put them into

Ivan, at least two persons reported about successful run OS/4 on Rysen

Applications / Re: OS/4 (technical details only)
« on: April 17, 2018, 06:12:54 pm »
I re-read the Wiki you posted above and will get the debug kernel setup and ready to go. Beyond this though, is there anything specific I need to do in order to capture the "moment" the system traps?

My assumption is that maybe through the debug kernel I have some way to communicate with the OS/2 box, but even if that is the case, once the trap occurs, how do I know what additional information to log? Can you provide any 'working instructions' for this? Even high-level stuff might help...

Welcome on board :)

You do not need anything specific, you will see trap info in your comport log.
Additional info always depends on trap info, working instruction is quite big,  it is called
"The OS/2 Debugging Handbook"  for ex.

Applications / Re: OS/4 (technical details only)
« on: April 17, 2018, 11:20:08 am »
Can it be possible for the author to explain a little bit what was patched on this DIVE.DLL ?

Hi Martin

some details is here

Applications / OS/4 (technical details only)
« on: April 16, 2018, 08:09:59 pm »
Patched DIVE.DLL can increase video speed on OS/4 system.

At the same time the patched DIVE.DLL is not compatible with original OS/2 -  to avoid missboot do the following:

1) Create C:\OS4 dir
2) Put the patched DIVE.DLL into C:\OS4
3) Insert C:\OS4; exactly after LIBPATH=  into your CONFIG.OS4 so you will have LIBPATH=C:\OS4;.;.......

This way the patched DIVE.DLL will be loaded instead of original DIVE.DLL and  original DIVE.DLL will remain for booting with CONFIG.SYS (for ex. original kernel).

Applications / Re: VirtualBox v5.0.51 Testing
« on: April 15, 2018, 09:37:20 am »
... I really don't know which kernel you are referring to when saying OS4 kernel...

here is some info,324.0.html

I remember someone said they had managed to do it but there were very few details given. I that person, or anyone else that has managed to get ArcaOS / OS/2 running on a Ryzen or A12 APU could post the details it would be most appreciated,1581.msg15660.html#msg15660

Article Discussions / Re: ArcaOS Wishlist - 6 months !!
« on: December 30, 2017, 08:16:51 pm »
I have had two systems myself where a NIC and disc controller would not work without MSI IRQ support.

Interesting. Could you please describe your systems, especially what mobo is in them and output of PCI.exe.

Programming / Re: OS/4 & PmDDk.sys
« on: December 26, 2017, 07:41:27 pm »
I found it interesting. Is there any more documentation about PMDD.SYS ?

Some short description is provided in the distribution packet.

Is this an original development (PMDDK.SYS) ? Or was it from another source like IBM DDK ?

It is not from IBM DDK.  PmDDk.sys  is written on C32 (mainly) and uses KEE unlike the original pmdd.sys

Adam, Valery,   tnx for testing.

Applications / Re: XWP v1.0.12 Beta 1
« on: December 24, 2017, 02:04:54 pm »
I have attached a new transparent boot logo. See what you think.  This is far more advanced than the others I have uploaded. This has been a learning experience.

Very nice logo

Programming / OS/4 & PmDDk.sys
« on: December 19, 2017, 04:46:34 pm »
PmDDk.sys  is added to distribution packet  starting from svn5073.

PmDDk.sys is a KEE optimized version of original PmDD.sys and it can work on any kernel with KEE (Aurora)

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