那個Conventional memory available: 593kB
也許是可用的System memory拿來做Buffer的大小...
猜的

就可以得知新增的幾個部分包括:
- Optical Disk Drive (ODD) Video Read-ahead (VRA) - REMOVED later due to problems with certain BluRay protections
- Zero Power ODD – Power-off Unused Optical Disk Drives (ODD)
- Email Alert and Notification
- RAID Volume Cache Size Increased to 16 MB of System Memory<<==加蠻大的
- SATA Link Power Management (LPM) Support on Desktop