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[/] [eco32/] [trunk/] [doc/] [history] - Diff between revs 156 and 197
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Rev 197 |
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02-Apr-2014
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02-Apr-2014
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Hardware tests: kbdtest verified, README added.
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Hardware tests: kbdtest verified, README added.
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Hardware tests: jalrtest verified, README added.
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Hardware tests: jalrtest verified, README added.
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Release eco32-0.23 tagged.
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Release eco32-0.23 tagged.
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27-Aug-2014
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I think I came up with a better solution for the problem of how to
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quickly transfer a disk image to the FPGA board (several hundred
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megabytes): instead of transferring the data over the serial line,
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we write the disk image created on the development system onto
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a hard disk (or SSD), and then swap drives. This can easily be
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done utilizing an USB-to-IDE converter (e.g., from an old external
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hard disk drive enclosure). The disk image is simply written to
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the disk using the "dd" command, with the whole USB mass storage
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device (e.g., /dev/sdb) as the destination.
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28-Aug-2014
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Another error in the IDE disk interface showed up yesterday:
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the two bytes of every halfword are byte-swapped on the storage
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medium! This error can only be discovered if the disk is written
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with a non-ECO32 controller and read with the ECO32 controller,
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or vice versa, which is the reason for the error hiding for so
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long.
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