Denis Vasilyev

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> I looked at the probe code, and can't see much wrong with it (yet). Is your floppy a 320K floppy? (CHS 40,2,8)? That isn't supported by ELKS, although we...

@ghaerr > How does the BIOS handle the every other track, does it automatically map track 0 -> 1, 1 -> 3, 2 -> 5 etc? I don't really know...

Hi @ghaerr, > This is a result of having "Scancode keyboard driver" (CONFIG_KEYBOARD_SCANCODE=y) set for BIOS keyboard driver, which won't work. Turn that off using make menuconfig and you should...

@ghaerr bios keyboard doesn't bring luck for me: ![signal-2022-06-19-212210_001](https://user-images.githubusercontent.com/4971779/174497370-893a977f-9b06-4616-9a4b-f63c5ee0cd63.jpeg) It doesn't respond to a single key in English or Russian register

I see. I'll try to dig available documentation. P.S. PC-DOS 3.30 is somehow familiar with the keyboard: ![signal-2022-06-19-230408](https://user-images.githubusercontent.com/4971779/174498580-8c4ae911-881b-4836-a52f-9c2b8d6fb491.jpeg)

Hi @ghaerr, I have some new data regarding the keyboard problem. A friend of mine wrote me a simple test in asm (see below) to check INT 16h. The program...

According to documentation МК-88 (my computer) has КР580ВИ53 chip which is equivalent to 8253 chip. Does it make a difference? EDIT: Apparently, READ BACK command is missing in 8253, whatever...

> > Apparently, READ BACK command is missing in 8253, whatever it means. > > I'll have to check. Could you try running the test with the two lines inserted...

@ghaerr, > Could you try running the test with the two lines inserted as described above? It gives me something new — computer freezes: ![signal-2022-06-21-185758_001](https://user-images.githubusercontent.com/4971779/174862250-c9710143-2d0e-4f89-8f70-d7aa234b2c52.jpeg) Maybe it didn't respond to...

> Perhaps change the first printk to `printk(".");` Did this and it helped a little bit. Now I can boot but only _sometimes_. The system is very unstable, it sends...