English: Seagate ST11R 8-bit ISARLLw:hard drive controller produced in 1990. Hard drives supported: two RLL ST506/412 drives. On top left there are two 20-pin data cable connectors; on top right there is a 34-pin control cable connector. The ST11R is one of the few 8-bit controllers that supported 31 sectors per track, being suitable for the Seagate ST225R hard drive, among others.
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