Bitfields for flags describing drive |
| Bit | Description |
|---|---|
|
0 |
fixed media |
|
1 |
door lock ("changeline") supported |
|
2 |
current BPB locked |
|
3 |
all sectors in a track are the same size |
|
4 |
physical drive has multiple logical units |
|
5 |
current logical drive for shared physical drive |
|
6 |
disk change detected |
|
7 |
device parameters were changed (set DASD before formatting) (see #01560 at INT 21/AX=440Dh"DOS 3.2+") |
|
8 |
disk reformatted (BPB of current media was changed) |
|
9 |
access flag (fixed media only, disables reads and writes) (see #01566 at INT 21/AX=440Dh"DOS 3.2+") |