Intel Extensible Firmware Interface - Page 469

32/64-bit UNDI Specification
Version 1.02 12/12/00 451
Sparse NvData CPB
typedef struct s_pxe_cpb_nvdata_sparse {
// NvData item list. Only items in this list will be updated.
struct {
// Non-volatile storage address to be changed.
PXE_UINT32 Addr;
// Data item to write into above storage address.
union {
PXE_UINT8 Byte;
PXE_UINT16 Word;
PXE_UINT32 Dword;
} Data;
} Item[n];
} PXE_CPB_NVDATA_SPARSE;