OEM Parameter Record

Offset	Size	Description	Comments
0 (0x00)	16	ParameterType	OEM defined GUID , GUID_NULL indicate that parameter value is not used
0x10	32	ParameterValue	OEM specific

#define OEM_FLASH_PARAMETER_GUID 0A0C7E46-3399-4021-90C8-FA6D389C4BA2
struct
{
    GUID OemParameterType;       //Value is OEM_FLASH_PARAMETER_GUID
    UINT32 EraseBlockSize;       //Erase block size in bytes
    UINT32 PageSize;     
    UINT32 NumberOfSpareBlocks;
    UINT32 tRandomAccess;       //Random Access Time in nanoseconds
    UINT32 tProgram;            //Program time in nanoseconds
    UINT32 tReadCycle;          //Serial read circle time in nanoseconds
    UINT32 tWriteCycle;         //Write Cycle time in nanoseconds
    UCHAR Reserved[4]; 
}
FlashParameters;