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-rw-r--r--IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec1
1 files changed, 1 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
index ce67160342..025ebfb3e2 100644
--- a/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
+++ b/IntelFrameworkModulePkg/IntelFrameworkModulePkg.dec
@@ -202,6 +202,7 @@
## The PCD is used to specify memory base address for OPROM to find free memory.
# Some OPROMs do not use EBDA or PMM to allocate memory for its usage,
# instead they find the memory filled with zero from 0x20000.
+ # The value should be a multiple of 4KB.
# The range should be below the EBDA reserved range from
# (CONVENTIONAL_MEMORY_TOP - PcdEbdaReservedMemorySize) to CONVENTIONAL_MEMORY_TOP.
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdOpromReservedMemoryBase|0x60000|UINT32|0x3000000c