the maximum transfer size for the specified DMA channel. Make all clients of ISA DMA use this call to determine their maximum transfer size.
repository copy because alpha already had an include/isa_machdep.h in the attic.)
Support for AXPpci CPUs, Support for AlphaStation 600 CPUs, new boot block structure, which requires an 'installboot' program and works a lot like the NetBSD/sparc boot blocks.