ExPLIT

I have a very small hope, that the issue can be solved: On my Adlib card there is an ic socket with marking 74LS245. The IC i got from the...

Yes built-in speakers in VGA-Monitor. I also think, the VGA is not synchronized, but this an very small cosmetic problem....

That a good explanation, Sergey. THX! You are absolute right. Open Source Software and Hardware is always the best option!

> 74LS245 is slower than 74AHCT245, but otherwise they should be compatible for the purpose of buffering the data bus. Still there's a slight chance that the part being too...

I have Debian 10 (Sid atm.) It would be very good, if it could be supported

Thanks, very informative, we will try it! That seems, that 8255 is onboard, but the keyboard is really connected some unusual way. The original keyboard has LEDs for Caps Lock,...

Wow, thanks for your work Sergey! We tried 2 switchable AT/XT Keyboards and 1 AT Keyboad connected to AT2XT Adapter. None of them worked on Ericcsson, so i am pretty...

Maybe as first step we do, like @skiselev suggest: # For test purposes, you can replace the ppi_pa_reg [here](https://github.com/skiselev/8088_bios/blob/8fd8cea2bbb94fb0e0ba03ed7d40034ea125c5d8/src/keyboard.inc#L269) with 0x04 , rebuild the BIOS, and test it. # When...

Wow, that really deep dive into low-level Ericsson BIOS, thanks very much @skiselev ! Do you think we can Build a Micro8088 BIOS which has this USART initialisation routines ?

Very interesting... 0412 is IBM PCjr infrared keyboard error count.... Hm.... IBM PCjunior Infrared Keyboard... Will try to find something to read about it