  -p      : display processor type

  -wfe    : write allocate, enable fixed range (640K-1M), K5 only
  -wfd    : write allocate, disable fixed range (640K-1M), K5 only
  -wpe    : write allocate, enable programable range, K5 only
  -wpd    : write allocate, disable programable range, K5 only
  -wpl<n> : write allocate, define low end of programable range, K5 only
  -wph<n> : write allocate, define high end of programable range, K5 only
  -wte    : write allocate, enable top of memory limit, K5 only
  -wtd    : write allocate, disable top of memory limit, K5 only

  -wt<n>  : write allocate, define top of memory, K5 and K6
  -wr     : write allocate, read registers, K5 and K6

  -w15e   : write allocate, enable 15-16M range, K6 only
  -w15d   : write allocate, disable 15-16M range, K6 only
  -wcde   : write allocate, cacheability detection enable, K6 only
  -wcdd   : write allocate, cacheability detection disable, K6 only

where <n> is a number, format either 16777216 or x1000000, or 16m