2
Table 1. Drive specifications |
| |
Characteristics | Conditions | Specifications |
Size | Dimensions | See “Space requirements” |
|
| in section 2 |
| Weight (drive only) | 3.6 kg (8.0 lb) |
| Weight (power supply only) | 2.3 kg (5.0 lb) |
Interface | Fast |
|
Recording | Total capacity | 3,554,871,600 bytes |
| (unformatted) |
|
| Bytes per track |
|
| (unformatted) |
|
| Inner track | 49,000 bytes |
| Outer track | 72,800 bytes |
| Formatted capacity* |
|
| 2,538,290,688 bytes | |
| 2,916,687,360 bytes | |
| 3,150,686,208 bytes | |
| Number of discs | 11 |
| Recording heads | 21 |
| Servo heads | 1 |
| Physical heads per surface | 1 |
| Cylinders per head/disc assy | 2,738 (includes 2 spares) |
| Cylinders available to user | 2,736 |
| Spare cylinders | 1 |
| System cylinders | 1 |
| Diagnostic cylinders | 1 |
| Spare sectors per cylinder | 6 |
| Modulation | 1,7 code |
*Excluding spare sectors, spare cylinders, diagnostic cylinders, and system cylin- ders.
continued
