Segment from `devinfo -r`:
```
  ram0
      I/O memory addresses:
          0x40000000-0x641fffff
          0x64200000-0x657c7fff
          0x657c8000-0x6c26ffff
          0x6c270000-0x6c3effff
          0x6c3f0000-0x6c3f2fff
          0x6c3f3000-0x6c3f3fff
          0x6c3f4000-0x6f6cffff
          0x6f6d0000-0x6f75ffff
          0x6f760000-0x6f79ffff
          0x6f7a0000-0x6f88ffff
          0x6f890000-0x6fffffff
```

Verbose `dmesg` output from ram0 driver:
```
Physical memory chunk(s):
  0x40000000 - 0x6c26ffff,   706 MB ( 180848 pages)
  0x6c280000 - 0x6c2cffff,     0 MB (     80 pages)
  0x6c3f0000 - 0x6c3f2fff,     0 MB (      3 pages)
  0x6c3f4000 - 0x6f6cffff,    50 MB (  13020 pages)
  0x6f760000 - 0x6fffffff,     8 MB (   2208 pages)
Excluded memory regions:
  0x64200000 - 0x657c7fff,    21 MB (   5576 pages) NoAlloc 
  0x6c270000 - 0x6c3effff,     1 MB (    384 pages) NoAlloc 
  0x6c3f3000 - 0x6c3f3fff,     0 MB (      1 pages) NoAlloc 
  0x6f6d0000 - 0x6f75ffff,     0 MB (    144 pages) NoAlloc 
  0x6f7a0000 - 0x6f88ffff,     0 MB (    240 pages) NoAlloc 
```

Segment reported from ACPI table (Tianocore as a bootloader):
```
                   Type     Physical      Virtual   #Pages Attr
     ConventionalMemory 000040000000 000000000000 0002413a WB 
             LoaderData 00006413a000 000000000000 00008000 WB 
             LoaderCode 00006c13a000 000000000000 00000136 WB 
      ACPIReclaimMemory 00006c270000 000000000000 00000010 WB 
    RuntimeServicesData 00006c280000 00006c280000 00000050 WB RUNTIME
    RuntimeServicesCode 00006c2d0000 00006c2d0000 00000120 WB RUNTIME
     ConventionalMemory 00006c3f0000 000000000000 00000002 WB 
             LoaderData 00006c3f2000 000000000000 00000001 WB 
               Reserved 00006c3f3000 000000000000 00000001 WB 
     ConventionalMemory 00006c3f4000 000000000000 000020de WB 
       BootServicesData 00006e4d2000 000000000000 00000002 WB 
     ConventionalMemory 00006e4d4000 000000000000 00000134 WB 
       BootServicesData 00006e608000 000000000000 00000ce0 WB 
     ConventionalMemory 00006f2e8000 000000000000 000002eb WB 
       BootServicesCode 00006f5d3000 000000000000 000000fd WB 
    RuntimeServicesCode 00006f6d0000 00006f6d0000 00000090 WB RUNTIME
     ConventionalMemory 00006f760000 000000000000 00000040 WB 
    RuntimeServicesData 00006f7a0000 00006f7a0000 000000f0 WB RUNTIME
     ConventionalMemory 00006f890000 000000000000 0000001e WB 
       BootServicesData 00006f8ae000 000000000000 00000001 WB 
       BootServicesCode 00006f8af000 000000000000 00000037 WB 
       BootServicesData 00006f8e6000 000000000000 0000071a WB 
```