====== QumeTrak 842 ======



=== Specifications ===

^                           ^  Single Density           ^  Double Density  ^
^ Capacity Unformatted      | 0.8 MiB                   | 1.6 MiB          |
^ Capacity Formatted        | 0.6 MiB                   | 1.2 MiB          |
^ Heads                     | 2                         | 2                |
^ Tracks                    | 77                        | 77               |
^ Track density             | 48 tpi                    | 48 tpi           |
^ Record method             | FM                        | MFM              |
^ Rotational Speed          | 360 rpm                   | 360 rpm          |
^ Latency                   | 83 ms                     | 83 ms            |
^ Average Assess 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            | 35 ms                     | 35 ms            |
^ Motor Start Time          | 2 sec                     | 2 sec            |

(Specifications from QumeTrak 842 Maintenance Manual - Dec 1981)