Wow nice, a 286 with IDE and floppy!

you need an original bios for that motherboard, you can not just swap out random bioses and expect them to work. even if they beep a little bit.

You have 1MB of memory, it is all good. Usually it is called bank 0.

Oh I see, I may have a corrupted original BIOS then ...
Just to be clear I've tried multi Suntac's BIOS.
And the Pheonix 3.10 gave me some hope.

I'm going through a similar process myself (see my 286 is dead, long live the 286 thread: 286 dead, long live the 286! Sourcing and building a fast 286 replacement).

I also had an original 286 board that was my first computer and used it on-and-off for many years. After putting it in storage 6 years or so ago it now won't POST successfully either.

These are old things, and I'm of the opinion that if we don't use them on a regular basis that they can degrade quite quickly. We're talking about 30+ year old IC's, capacitors and resister networks. They're going to fail at some point 🙁

Still, back your situation, yes I agree that you really do need the original BIOS - or at the very least a Suntac ROM for the same chipset (even then they can vary based on the other supporting chips). You could always try fitting different RAM - though your board has SIPP sockets you can either desolder them and fit SIMM sockets, or fit some SIMM modules into SIMM sockets and just insert the sockets into the SIPP holes - they are electrically identical.

The other thing is to remove and reseat every removeable chip. It costs nothing and it could just be a bad contact somewhere.

Very interesting thread and thanks for the original BIOS confirmation.

Haha yes I haven't used my 286 for 25 years , poor thing 😉

I'll order some SIMM to SIPP adapter and try that.

Could someone ask HanJammer if he could share his BIOS image if possible, please ?
He had posted the picture above and said it was working.
I don't have message privilege yet ...

Or any one else having it of course 😉
Thanks

Why do you think your original BIOS is corrupted? Did you try to read it with your programmer?

A BIOS from a similar board will do. Most 286 boards accept "standard" BIOS. Here are some, did you try those?
80286 BIOS image collection

I have almost the same board up and running. Mine has a 12Mhz processor and SIMM memory slots. BIOS is an AMI one dated 13/06/1990 Here is the image:

Hope this helps.

Please, Could you upload the EMS driver for the board and or the manual?

Thanks a lot

@Predator99
It's just a guess, I've tested the voltage, rams, reseated everything with deoxit, I have an error code 1-3-3 with a phoenix bios ( so the cpu seems to work ).
That would be nice to have a known good bios to compare with my programmer indeed.
Thank you for the link, very interesting.

@dieymir
Thank you for the bios image ! I'll try that for sure.
I'll upload the manual very soon.
The EMS driver will follow, I have to plug my 5 1/2-inch floppy drive to a PC with USB.

Here is the User's Manual and display module for Turbo:

@dieymir
So... it doesn't make any difference with your BIOS image.😢

@Predator99

I've tried your "286-Morse KP286.zip" and it works !!!!!

Thank you !

Another problem arose , my VGA card has white vertical stripes and it's blinking ... so I can see half of the boot if I blink at the right moment 😉.
But that's very promising.

Glad to know you have solved it and thanks for the manual!!

Here it is 😀

Nice case. I have a similar looking one.

Very nice 👍
Was it always that white or did you retrobright it ?

freetmool wrote on 2021-01-22, 22:42:

Here it is 😀

IMG_1670.jpg

Great set up. GeoWorks Pro 1.2 and DrDos were the first things I put on my 286/16 in the very early '90s.

Cyberdyne wrote on 2021-01-21, 12:15:

Wow nice, a 286 with IDE and floppy!

you need an original bios for that motherboard, you can not just swap out random bioses and expect them to work. even if they beep a little bit.

You have 1MB of memory, it is all good. Usually it is called bank 0.

286 with floppy and ide hdds was 'nt terrably rare from about '89 onwards. My '90 Zenith 286LP Plus has them. Those four connectors at the bottem are for 30 pin sipp ram. The board is very similar to the one I had ay back when. I maxed it out to four megs of sipps(had to remove the dipp ram first). At $nz100 a meg it wasn't cheap but I had a lot of disposable income back then. You can use 30 pin simm holders and plug them in to those sipp sockets and use standard 30 pin simms in them. just make sure you have the orientation correct when you fit the adapters.

freetmool wrote on 2021-01-23, 19:01:

Very nice 👍
Was it always that white or did you retrobright it ?

This is the color I got it in, other than cleaning I haven't done anything to it. It has a few scars, small crack in the top part of the plastic etc. But I think this my favorite case because it has all these odd curves and corners and the black plastic bits etc.

megatron-uk wrote on 2021-01-21, 15:20:

I'm going through a similar process myself (see my 286 is dead, long live the 286 thread: 286 dead, long live the 286! Sourcing […]
Show full quote

I'm going through a similar process myself (see my 286 is dead, long live the 286 thread: 286 dead, long live the 286! Sourcing and building a fast 286 replacement).

I also had an original 286 board that was my first computer and used it on-and-off for many years. After putting it in storage 6 years or so ago it now won't POST successfully either.

These are old things, and I'm of the opinion that if we don't use them on a regular basis that they can degrade quite quickly. We're talking about 30+ year old IC's, capacitors and resister networks. They're going to fail at some point 🙁

Still, back your situation, yes I agree that you really do need the original BIOS - or at the very least a Suntac ROM for the same chipset (even then they can vary based on the other supporting chips). You could always try fitting different RAM - though your board has SIPP sockets you can either desolder them and fit SIMM sockets, or fit some SIMM modules into SIMM sockets and just insert the sockets into the SIPP holes - they are electrically identical.

The other thing is to remove and reseat every removeable chip. It costs nothing and it could just be a bad contact somewhere.

I would recommend to use Deoxit D5.. Use it myself to clean IC sockets and card slot or cleaning the contacts on surface mounted quad flat packs.

@dieymir

Here is the "EMS 303 Utility" that came with this motherboard.