Int 15 Fn DB00  U - Ami Bios - Flash Rom - Read Flash Bios                 [b]

   AX = DB00h
   DS:SI -> parameter block (see #0468)
   ES:DI -> buffer for copied information

Return: CF clear if successful
   CF set on error
       AH = status (86h if not implemented)
   DS,ES destroyed, possibly other registers

Note:  used by FMUP.EXE, Intel's Flash Memory Update utility

See Also: AH=DAh,AX=DB01h,AX=DB04h

Format of AMI BIOS Flash ROM parameter block:
Offset Size    Description (Table 0468)
 00h 32 BYTEs  ASCIZ description of the file's contents
 20h   BYTE    Logical area type (see #0469)
 21h   DWORD   logical area size (overall size of area)
 25h   BYTE    flag: load from file (FF=yes, 00=no)
 26h   BYTE    flag: reboot after update (FF=yes, 00=no)
 27h   BYTE    flag: update entire image (FF=yes, 00=no)
 28h 24    BYTEs   ASCIZ logical area name (cooresponds to offset 20)
       "System BIOS"
       "Logo Data Area", etc.
 40h 15 BYTEs  ASCIZ time stamp string: MM/DD/YY-HH:MM
 4Fh   BYTE    checksum for this header (sum of all bytes except this one)
       if checksum would be 00h,01h, or FFh, it is set to 2Ah
 50h   DWORD   this file's starting address (offset in image)
 54h   DWORD   size of image chunk in this file
 58h   BYTE    logical area type - same as offset 20h
 59h   BYTE    flag: last file in chain (FF=yes, 00=no)
 5Ah  6 BYTEs  ASCIZ signature "FLASH"
 60h 16 BYTEs  ASCIZ filename of next file in chain
 70h 16 BYTEs  ASCIZ BIOS reserved string (usually version #)

Notes: this block is identical in format to the 128-byte header on an AMI
     BIOS Update file
   for AX=DB00h, the following fields must be specified: 50h,54h,58h;
     the fields at offset 20h and 5Ah should also be set if possible
   the fields at offsets 40h and 70h will be set on return, if available

See Also: #0470