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+") |