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Implement keep-alive and os-requested reload functions of FE. Preserve HW config flags during (re-) boot. Allow IPL30 device to interrupt. Add 18-bit DMA functions. Implement DMA to/from I/O space. Optimize DMA memory mapping - once per page, not once per byte. Teach SHOW IO to report vectors and BR levels as well as CSR addresses. Add DUP and KDP to Autoconfigure table.