Format of XGA DMQS buffer |
| Offset | Size | Description |
|---|---|---|
|
00h |
WORD |
offset (in bytes) to DMQS data for next XGA instance |
|
02h |
BYTE |
slot number |
| 03h | BYTE | XGA implementation function level identifier |
|
04h |
BYTE |
XGA implementation resolution level identifier |
|
05h |
WORD |
vendor identifier - identifies card vendor |
|
07h |
WORD |
vendor defined field |
|
09h |
WORD |
XGA adapter I/O register base address |
|
0Bh |
WORD |
XGA coprocessor register base address (paragraph--multiply by 10h to get physical address) |
|
0Dh |
WORD |
1 Megabyte system video memory aperture 0000h if not allocated |
|
0Fh |
WORD |
4 Megabyte system video memory aperture 0000h if not allocated (multiply by 100000h to get physical address) |
|
11h |
WORD |
video memory base address (multiply by 100000h to get physical address) |
|
13h |
WORD |
composite ID of the attached display |
|
15h |
BYTE |
amount of video memory available, in multiples of 256K bytes |
|
16h |
DWORD |
alternate XGA coprocessor register base address. 0 = none. |
|
1Ah |
var |
DMQS Data for further XGA Instances (as above) |
|
Note: |
"Instances" refers to the capability of having up to 8 XGA adapters in one computer. |
|
See Also: |
#00061 |