Pentium/PentiumII MR.BIOS need

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Pentium/PentiumII MR.BIOS need

Postby AlexVivat » Thu Nov 30, 2017 12:36 am

Hello!

i need MR.BIOS for any Pentium or PentiumII(or maybe PentiumIII) motherboards
because such Bios gives the chance to connect and use on one FDC up to 4 FDD.
i try to pick out 4-floppy initialisation procedure from the BIOS binary
i found how to electrically connect FDD but need BIOS support for use them.

webarchive not helps me (or i do some not right way)

perhaps, someone has in the personal museum the motherboard with such Bios?
I would be grateful if you made a dumping of a chip with the mr.bios
AlexVivat
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Re: Pentium/PentiumII MR.BIOS need

Postby Karlsweldt » Thu Nov 30, 2017 6:39 am

Likely a very slim chance of finding what you need. Some of those older Pentium II boards had a BIOS chip that needed a 'burner' to erase and reprogram them.. not just done from a floppy disk!
The BIOS version must be exact to the motherboard model.
If in need of more than two default floppy drives, consider an add-in controller card that has addressable IRQ/DMA settings.
The card can be set as a 'secondary' FDD controller, while still retaining the default FDD intent. Plus, you can also add an extra one or two hard drives, and extra serial/parallel ports. Best if that card is 16-bit.
Doubt that type of card family would be available in stores. But possibly on eBay.
F@H.. to solve mankind's maladies.. in our lifetimes!
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Re: Pentium/PentiumII MR.BIOS need

Postby AlexVivat » Sun Dec 03, 2017 3:44 pm

i found this bios. :)
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