you can now build an sc520 bios for the digital logic msm586sev, and the ethernet works. Due to a glitch with hardware, the name of the target is mem586seg; I plan to fix this problem. For now, it's a great little cluster node.
msm586sev is a nice little board, small, low power.
To-dos - no vga bios yet (well, not totally, you can get it in user mode with the "testbios' program in linuxbios utilities, just not in linuxbios itself) - need to finish up dynamic memory sizing code - keyboard stuck error (no kb interrupts?) - reset is still not reliable
this cpu was kind of a bear, and still does not fit well into the linuxbios way of doing things, and never will be that good a fit due to architectural design problems with the FLASH address map(see linux journal web article). I'm going to build a cluster of them anyway ...
ron
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Ronald G Minnich