Bitfields for general drive configuration |
| Offset | Description |
|---|---|
|
15 |
0 reserved for non-magnetic drives |
|
14 |
format speed tolerance gap required |
|
13 |
track offset option available |
|
12 |
data strobe offset option available |
|
11 |
rotational speed tolerance is > 0.5% |
|
10 |
disk transfer rate > 10 Mbs |
|
9 |
disk transfer rate > 5Mbs but <= 10Mbs |
|
8 |
disk transfer rate <= 5Mbs |
|
7 |
removable cartridge drive |
|
6 |
fixed drive |
|
5 |
spindle motor control option implemented |
|
4 |
head switch time > 15 usec |
|
3 |
not MFM encoded |
|
2 |
soft sectored |
|
1 |
hard sectored |
|
0 |
reserved (0) |