Format of Bootable CD-ROM Specification Packet |
Offset | Size | Description | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
00h |
BYTE |
size of packet in bytes (13h) | |||||||||||
01h |
BYTE |
boot media type (see #00282) | |||||||||||
02h |
BYTE |
drive number
|
|||||||||||
03h |
BYTE |
CD-ROM controller number | |||||||||||
04h |
DWORD |
Logical Block Address of disk image to emulate | |||||||||||
08h |
WORD |
device specification (see also #00282)
|
|||||||||||
0Ah |
WORD |
segment of 3K buffer for caching CD-ROM reads | |||||||||||
0Ch |
WORD |
load segment for initial boot image (if 0000h, load at segment 07C0h) | |||||||||||
0Eh |
WORD |
number of 512-byte virtual sectors to load (only valid for AH=4Ch) | |||||||||||
10h |
BYTE |
low byte of cylinder count (for INT 13/AH=08h) | |||||||||||
11h |
BYTE |
sector count, high bits of cylinder count (for INT 13/AH=08h) | |||||||||||
12h |
BYTE |
head count (for INT 13/AH=08h) |
See Also: |
#00283,AH=08h |