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INT 15 - SYSTEM - GET CONFIG (XT after 1/10/86,AT mdl 3x9,CONV,XT286,PS)
|
Input |
Output |
|
AX
|
C0h |
|
|
|
AX |
|
BX
|
|
|
|
|
|
|
CX
|
|
|
|
|
CX |
|
DX
|
|
|
ROM
Table |
ES:BX |
| ES:DI |
|
Set
on Error |
CF |
Note: The 1/10/86 XT BIOS returns an incorrect value for
the feature byte.
WORD Number of bytes following
BYTE Model (see system ID byte)
BYTE Submodel
BYTE BIOS Release
BYTE Features
| Features |
| Bit |
Dec |
Hex |
Description |
| 0 |
1 |
01h |
Reserved |
| 1 |
2 |
02h |
Micro Channel Bus |
| 2 |
4 |
04h |
Extended BIOS area
allocated at 640K |
| 3 |
8 |
08h |
Wait for external event
supported |
| 4 |
16 |
10h |
INT
15h/AH=4Fh called upon INT 09h |
| 5 |
32 |
20h |
Real Time Clock
installed |
| 6 |
64 |
40h |
2nd 8259 installed |
| 7 |
128 |
80h |
DMA Channel 3 used by
HD BIOS |
WORD Res1
WORD Res2 |