On Mar 15, 2020, tom wrote: > [...] The biggest technical problem is the > lack of ASIC northbridge, or rather something to interface the CPU to > an PCIE bus. Currently the best thing available you can get is an FPGA > and it is a severe bandwidth bottleneck. It's also super expensive > getting an FPGA that beefy enough. I don't see RISCV going anywhere > until this is solved except microcontroller applications. > > The second problem is patents that prevent RISCV developers from > implementing a lot of popular specs and standards. Just as an example > look at the licensing cost of implementing HDMI vs DisplayPort.
On the one hand, I understand why a "large market audience" device would
need HDMI or DisplayPort or the newest whizbang 256K DNA ("Direct Neural
Attachment") adapter is ... but why does that need to be on a
small-market / hobby computer?
I can only speak for myself, but a reasonably open PC at the $400 mark
would certainly be competitive to dell or hp; even if it were "limited"
in the peripheral interconnect area (assuming, of course, the
motherboard's peripheral layout were well documented and people were
encouraged to make stuff -- see arduino or rpi expansion boards )
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