• 1988

Hardware Description

The 7959B was a modular 304MB hard disc drive connected primarily to 300 Series machines. It had an HP-IB interface with an average seek time of 17ms and a data transfer rate of 1.25 MB per second. The 7959S was introduced in 1989 with a SCSI interface, 17.5ms average seek time, 1.5 MB per second data transfer rate, and 323MB storage capacity.