Bitfields for AMD-640 Non-Cacheable Region register:
Bit(s) Description )
15-11 bits 20-16 of region's base address
10-8 size of non-cacheable area
000 disabled
001 = 64K
010 = 128K
...
110 = 2M
111 = 4M
7-0 bits 28-21 of region's base address
SeeAlso: #00983,#00989