anetanel wrote on 2023-06-04, 12:37:

I'm out of ideas...
Help? 😀

2M-XBIOS?

Good luck. 🙂🤞

Jo22 wrote on 2023-06-04, 13:55:

anetanel wrote on 2023-06-04, 12:37:

I'm out of ideas...
Help? 😀

2M-XBIOS?

Good luck. 🙂🤞

Correct me if I'm wrong, but this will not help with booting from the gotek, right?
It seems that it needs a driver to run.

Did you:
- use a cable with the twist, and set the drive for ds1
- use a cable without twist, and set the drive for ds0

Did you use a 360k image? The standard 51x0 FDD controller cannot handle HD drive speed.

waterbeesje wrote on 2023-06-04, 14:33:

Did you: - use a cable with the twist, and set the drive for ds1 - use a cable without twist, and set the drive for ds0 […]
Show full quote

Did you:
- use a cable with the twist, and set the drive for ds1
- use a cable without twist, and set the drive for ds0

Did you use a 360k image? The standard 51x0 FDD controller cannot handle HD drive speed.

yes to all.
As I wrote in the original post 😉

anetanel wrote on 2023-06-04, 12:37:

I'm out of ideas...
Help? 😀

Super PC/Turbo XT BIOS 3.1 ?

🙂🤞

I can't flash a new BIOS right now... The current chip is a 28 pin HN482764G-3 that is glued to some 24 pin adapter. I'm not able to break the bond, and I have no idea how to flash such chip in its current condition.
I ran the flashfloppy io-test firmware, and discovered that pin 32 (Side/Head Select) is low upon boot. It is only after a while that it gets high. This is not the case with a "normal" SuperIO card on my 286, where all IO pins are high. I wonder if it has anything to do with my issue.
Can anyone with a 5150 and a gotek try as well?

Hello, I think you need more of an XT-CF-Lite v.2 or something like that for the 5150.

80386SX wrote on 2023-06-13, 20:02:

Hello, I think you need more of an XT-CF-Lite v.2 or something like that for the 5150.

I actually have one installed.
I was able to install dos from the real floppy drive.
But a gotek would be nice too, in case i was not able to find real floppy media.
I saw videos of people using it in a 5150, so something must be wrong with my setup.

anetanel wrote on 2023-06-13, 17:36:

I can't flash a new BIOS right now... The current chip is a 28 pin HN482764G-3 that is glued to some 24 pin adapter. I'm not abl […]
Show full quote

I can't flash a new BIOS right now... The current chip is a 28 pin HN482764G-3 that is glued to some 24 pin adapter.
I'm not able to break the bond, and I have no idea how to flash such chip in its current condition.
I ran the flashfloppy io-test firmware, and discovered that pin 32 (Side/Head Select) is low upon boot. It is only after a while that it gets high.
This is not the case with a "normal" SuperIO card on my 286, where all IO pins are high. I wonder if it has anything to do with my issue.
Can anyone with a 5150 and a gotek try as well?

I wished I could help, but.. I do merely have an XT compatible (Nixdorf 8810 M35) with a non-IBM BIOS (not that this a bad thing).
And secondly, I kept the A drive as it was. I used the Gotek as my secondary floppy drive (B:). Via an edge connector adapter, just like you.
To boot from Gotek, I used a 5,25" 360KB floppy with the "BOOT B" utility.
That way, I can still boot original media. Maybe this also works for you ?

See "boot_b.zip" at https://drivers.dosreloaded.de/index.php?b=So … Fdos%2Fdiskutil

Edit: I wish you good luck! 😀 👍

Jo22 wrote on 2023-06-13, 20:35:

I wished I could help, but.. I do merely have an XT compatible (Nixdorf 8810 M35) with a non-IBM BIOS (not that this a bad thing […]
Show full quote

anetanel wrote on 2023-06-13, 17:36:

I can't flash a new BIOS right now... The current chip is a 28 pin HN482764G-3 that is glued to some 24 pin adapter. I'm not abl […]
Show full quote

I can't flash a new BIOS right now... The current chip is a 28 pin HN482764G-3 that is glued to some 24 pin adapter.
I'm not able to break the bond, and I have no idea how to flash such chip in its current condition.
I ran the flashfloppy io-test firmware, and discovered that pin 32 (Side/Head Select) is low upon boot. It is only after a while that it gets high.
This is not the case with a "normal" SuperIO card on my 286, where all IO pins are high. I wonder if it has anything to do with my issue.
Can anyone with a 5150 and a gotek try as well?

I wished I could help, but.. I do merely have an XT compatible (Nixdorf 8810 M35) with a non-IBM BIOS (not that this a bad thing).
And secondly, I kept the A drive as it was. I used the Gotek as my secondary floppy drive (B:). Via an edge connector adapter, just like you.
To boot from Gotek, I used a 5,25" 360KB floppy with the "BOOT B" utility.
That way, I can still boot original media. Maybe this also works for you ?

See "boot_b.zip" at https://drivers.dosreloaded.de/index.php?b=So … Fdos%2Fdiskutil

Edit: I wish you good luck! 😀 👍

That is a cool piece of software 😀
But it seems that I'm not able to read or write to the gotek at all. Not just boot.
Attempting to read (dir) pre-made images always fails, and attempting to format empty disk image, results in a "invalid media or track 0 bad - disk unusable" error.

anetanel wrote on 2023-06-04, 12:37:

I'm trying to boot my IBM 5150 from a Gotek emulator, running the latest FlashFloppy firmware (3.39).
The gotek drive appears to be detected on boot (no errors), and there is a short seek, but then the PC goes to basic instead of booting.
The oled display shows that the drive quickly seeks up to track 34, and then gives up.

A couple of years ago I used a Gotek (with FlashFloppy fw) to bootstrap my IBM 5160 (with the original IBM floppy controller) since at the time I didn't have any 5.25" floppies. Once I figured out the right configuration settings for FF.CFG it all worked like a charm. I only used 320K and 360K images.

I think you should first focus on getting things to work with the Gotek as your B: drive, my guess is there must be some kind of cabling issue. Getting a "invalid media or track 0 bad" error when trying to format is indicative of either: (a) the TRK0 signal from the drive isn't reaching the controller, or (b) FORMAT has written the FAT to track zero but when it tries to read it back to verify it either can't find track zero again or it reads back junk data that doesn't match what was previously written.

Grab a copy of ImageDisk (http://dunfield.classiccmp.org/img/index.htm) to run on your 5150 and jump into the Align/Test menu which lets you manually control the floppy drive and it will show the status of the various drive signals like TRK0.