BIOS ROM for Nokia Data AC41208 386SX (Alfaskop Desktop m326SX)

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Re: BIOS ROM for Nokia Data AC41208 386SX (Alfaskop Desktop m326SX)

Beitrag von Lenord_beta » Sa 21. Dez 2019, 19:32

[quote="Dosenware"]
nicetux has the Card, he is still active here - I've just looked on the Username and did'nt read the Thread... :-/[/quote]
Thank you!
I hope he will be able to upload bios rom.

If he is still interested why his card doesn't work, I would recommend him to check contacts of that large QFP chip (chipset).
The card is quite long, therefore even minor bending/twisting leads to separation of some pins.
That's almost invisible, so he should check each contact with a needle (carefully).
Normally, they don't move but on my board I had ~half of them moving freely.

I have same ISA backplane and think that the board doesn't need a specific one.
The only limiting factor is this bios rom.

Re: BIOS ROM for Nokia Data AC41208 386SX (Alfaskop Desktop m326SX)

Beitrag von Dosenware » So 15. Dez 2019, 10:08

Greetings, Jippel isn't active here anymore (he is now here). I'll try to contact him.

EDIT: Argh... sorry, nicetux has the Card, he is still active here - I've just looked on the Username and did'nt read the Thread... :-/

BIOS ROM for Nokia Data AC41208 386SX (Alfaskop Desktop m326SX)

Beitrag von Lenord_beta » Fr 13. Dez 2019, 12:34

This is 386SX-20 ISA "single-board PC" processor board which I am trying to revive.
http://ru.pc-history.com/wp-content/upl ... 6sx-16.jpg
http://nostalgy.net.ru/museum/mb/nd386.jpg

It comes from Alfaskop Desktop m326SX PC, made by Nokia Data in 1990.
http://nostalgy.net.ru/museum/nokia.htm

This board came to me in a quite bad condition, i had to restore PCB traces, and solder its chipset (TI TACT83443GPP) properly. Moreover, it came without BIOS chip and I couldn't find any rom images for that elsewhere.

I saw that some users do have this board, maybe they are able to dump its ROM for me?
viewtopic.php?t=9900
Thanks in advance.

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