| Single Density | Double Density | |
|---|---|---|
| Capacity Unformatted | 0.8 MiB | 1.6 MiB |
| Capacity Formatted (IBM Format, 128-byte sectors) | 0.5 MiB | 1.0 MiB |
| Heads | 2 | 2 |
| Tracks | 77 | 77 |
| Track density | 48 tpi | 48 tpi |
| Record method | FM | MFM/M2FM |
| Rotational Speed | 360 rpm | 360 rpm |
| Latency (avg.) | 83 ms | 83 ms |
| Average Access Time | 91 ms | 91 ms |
| Track to track | 3 ms | 3 ms |
| Settle time | 15 ms | 15 ms |
| Transfer Rate | 250 Kib/s | 500 Kib/s |
| Head Load Time | 50 ms | 50 ms |
(Specifications from OEM Manual - November 1980)