- ## ISA bus related PCD to support DMA, SlaveDMA and ISA Memory features.\r
- # BIT0 indicates if DMA is supported\r
- # BIT1 indicates if only slave DMA is supported\r
- # BIT2 indicates if ISA memory is supported\r
+ ## ISA Bus features to support DMA, SlaveDMA and ISA Memory. <BR><BR>\r
+ # BIT0 indicates if DMA is supported<BR>\r
+ # BIT1 indicates if only slave DMA is supported<BR>\r
+ # BIT2 indicates if ISA memory is supported<BR>\r
+ # Other BITs are reseved and must be zero.\r
+ # If more than one features are supported, the different BIT will be enabled at the same time.\r
+ # @Prompt ISA Bus Features\r
+ # @Expression 0x80000002 | (gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdIsaBusSupportedFeatures & 0xF8) == 0\r