This was Mitsubishi Electric's first removable disk pack drive, announced in 1969. It had complete compatibility with the IBM-2311 and CDC9463. The M-834 was used with the MELCOM 3100 and MELCOM 9100.
This unit had the following features.
- The positioning mechanism was electric, so handling was simple.
- It employed integrated circuits for high reliability.
- The unit was independent because the power supply was built-in.
- Self-diagnosis functions were built-in, so malfunctions could be discovered quickly.
|Number of tracks||200+3 spare tracks|
|Memory Disk sides||10side/pack|
|Disk rotation speed||2,400rpm|
|Data transfer speed||156Kbyte/s|
|Positioning time||Max. 135ms,Min. 24ms|