J182_OS9_boot_even_cs14FA.hex

OS-9/68K bootstrap ROM

x-hex - 77.03 kB - 02/03/2019 at 19:19

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J182_OS9_boot_odd_cs7961.hex

OS-9/68K bootstrap ROM

x-hex - 77.03 kB - 02/03/2019 at 19:19

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J182_OS9_boot_even_cs14FA.bin

OS-9/68K bootstrap ROM

octet-stream - 32.00 kB - 02/03/2019 at 19:19

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J182_OS9_boot_odd_cs7961.bin

OS-9/68K bootstrap ROM

octet-stream - 32.00 kB - 02/03/2019 at 19:19

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J182_OS9_boot_even_cs14FA_odd_cs7961.bin.s.txt

My first attempt at disassembly to work out what it was up to.
Made a good guess at where the on-board UART is, and possibly the STEbus floppy and SCSI boards.

plain - 68.61 kB - 02/03/2019 at 19:19

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NDR-Klein-Computer.htm.zip

MC Magazine's article about a 68020 computer designed by R.D. Klein. It is in German but Google can translate it for you. Not STEbus but explains a lot about the 68020 operation and has example PAL equations too.

application/zip - 834.66 kB - 04/04/2022 at 20:31

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