td><td align="left">Shareable. </td></tr>
<tr>
<td align="left">[17] </td><td align="left">C </td><td align="left">Cacheable. </td></tr>
<tr>
<td align="left">[16] </td><td align="left">B </td><td align="left">Bufferable. </td></tr>
<tr>
<td align="left">[15:8] </td><td align="left">SRD </td><td align="left">Subregion Disable. For regions of 256 bytes or larger, each bit of this field controls whether one of the eight equal subregions is enabled (0) or disabled (1). </td></tr>
<tr>
<td align="left">[7:6] </