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  • boot roms for any other node types?

    From Chris Toshok@21:1/5 to All on Mon Aug 29 07:34:08 2016
    Hey all,

    Bitsavers has boot roms for the dn3x00/dn4500/dn5500. Does anyone have images (or pointers for where to find them) for other node types? Any/all would be appreciated, but my nostalgia meter pegs pretty hard for the dn5x0 and dn2500.

    Thanks much,
    -c

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  • From Jim Rees@21:1/5 to All on Mon Aug 29 11:37:33 2016
    I've got a boot rom for a dn300. Like, the actual DIP that you plug in to the motherboard. The original boot rom for the older nodes lived on the ring board. When ethernet was introduced, it became possible to have a node with no ring board, so we
    started putting the boot rom on the cpu board and had it call in to the rom on the network board. At least that's the way I remember it. There was also some trickery around the node ID, which originally was the same as the ring network address. This got
    complicated not only by ethernet, but by nodes with two ring boards.

    I've forgotten most of how this worked. Someone should have written a book back in 1995.

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  • From Hans Ostermeyer@21:1/5 to All on Fri Sep 2 08:19:44 2016
    The DN2500 boot rom image is now available at http://www.bitsavers.org/bits/Apollo/firmware/2500_BOOT_16182_8.bin

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  • From toshok@honeycomb.io@21:1/5 to All on Fri Sep 2 10:05:44 2016
    Thanks, Hans!

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