ADLINK EOS-4000 - Manual (Page 58)

46 BIOS Setup
A.2.2 CPU Configuration
Limit CPUID Maximum
Disabled for Windows XP
Execute Disable Bit
Enables XD to prevent certain classes of malicious buffer over-
flow attacks when combined with a supporting OS
Hardware Prefetcher
Enables or disables the Mid Level Cache(L2) streamer
prefetcher.
Adjacent Cache Line Prefetch
Enables or disables prefetching of adjacent cache lines.