First post, by alec_v
JFYI: Interesting find
Mr.BIOS v.1.65 for 286 motherboard from 1994:
https://theretroweb.com/bios/?chipsetId=213
(see ITT CORPORATION XTRA/PROFESSIONAL SERIES 400 motherboard)
This BIOS should run for most of non-chipset 286 motherboards (DTK and may be IBM 5170) and "featureless" old chipsets:
Chips & Technologies CS8220
VLSI VL82C100
SUNTAC 62xxx
e.t.c.
Requires 2 x 27256 EEPROM sockets and 64Kb address decode (segment F000:0000)
Features:
- IDE autodetect
- No 504Mb and 2G IDE barriers
- 4 floppies
- ???
P.S. further reading:
https://dfarq.homeip.net/what-was-mr-bios/