|Name: 7959 Disc Drive|
|Product Number: 7959|
|Division: Disc Memory|
|Original Price: $9350|
|Catalog Reference: 1989, page 710|
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.
The 7959 used the CS/80 command set.
The 7957/8/9 disc drives have held up relatively well over time. We have more than a dozen units at the museum. About two thirds are functional (as of 2013), with the newer 7959 drives the most reliable and the 7957 drives the least reliable.^ TOP
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