Bitfields for IBM/MS INT 13 Extensions information flags |
| Bit | Description |
|---|---|
|
0 |
DMA boundary errors handled transparently |
|
1 |
cylinder/head/sectors-per-track information is valid |
|
2 |
removable drive |
|
3 |
write with verify supported |
|
4 |
drive has change-line support (required if drive >= 80h is removable) |
|
5 |
drive can be locked (required if drive >= 80h is removable) |
|
6 |
CHS information set to maximum supported values, not current media |
|
15 - 7 |
reserved (0) |
|
Note: |
bits 4-6 are only valid if bit 2 is set |
|
See Also: |